diff --git a/Cargo.lock b/Cargo.lock
index 73502cd..87d69e5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,7 +29,7 @@ dependencies = [
  "actix-rt",
  "actix-service",
  "actix-utils",
- "ahash",
+ "ahash 0.7.6",
  "base64",
  "bitflags",
  "brotli",
@@ -144,7 +144,7 @@ dependencies = [
  "actix-service",
  "actix-utils",
  "actix-web-codegen",
- "ahash",
+ "ahash 0.7.6",
  "bytes",
  "bytestring",
  "cfg-if",
@@ -199,6 +199,17 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "ahash"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf6ccdb167abbf410dcb915cabd428929d7f6a04980b54a11f26a39f1c7f7107"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.20"
@@ -405,6 +416,12 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "contextual"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e916dad4a946c830c9f199481a03be3e8d45792d5fd228c6bde51195a34d6c7"
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -422,6 +439,16 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "core-foundation"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.3"
@@ -534,6 +561,23 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "decoded-char"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5440d1dc8ea7cae44cda3c64568db29bfa2434aba51ae66a50c00488841a65a3"
+
+[[package]]
+name = "derivative"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.17"
@@ -618,6 +662,15 @@ version = "2.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
+[[package]]
+name = "fastrand"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7a407cfaa3385c4ae6b23e84623d48c2798d06e3e6a1878f7f59f17b3f86499"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "flate2"
 version = "1.0.25"
@@ -634,6 +687,21 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.1.0"
@@ -789,7 +857,16 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 dependencies = [
- "ahash",
+ "ahash 0.7.6",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ff8ae62cd3a9102e5637afc8452c55acf3844001bd5374e0b0bd7b6616c038"
+dependencies = [
+ "ahash 0.8.2",
 ]
 
 [[package]]
@@ -798,7 +875,7 @@ version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69fe1fcf8b4278d860ad0548329f892a3631fb63f82574df68275f34cdbe0ffa"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.12.3",
 ]
 
 [[package]]
@@ -854,6 +931,17 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "http-body"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
+dependencies = [
+ "bytes",
+ "http",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "httparse"
 version = "1.8.0"
@@ -875,6 +963,43 @@ dependencies = [
  "quick-error",
 ]
 
+[[package]]
+name = "hyper"
+version = "0.14.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "034711faac9d2166cb1baf1a2fb0b60b1f277f8492fd72176c17f3515e1abd3c"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
+[[package]]
+name = "hyper-tls"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
+dependencies = [
+ "bytes",
+ "hyper",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.53"
@@ -916,7 +1041,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
 ]
 
 [[package]]
@@ -928,6 +1053,22 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "ipnet"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11b0d96e660696543b251e58030cf9787df56da39dab19ad60eae7353040917e"
+
+[[package]]
+name = "iref"
+version = "2.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bcabecbc10d7b879305b3ef4aacab1d6c3574f48091c3fdc0ad0341cf1b8382f"
+dependencies = [
+ "pct-str",
+ "smallvec",
+]
+
 [[package]]
 name = "itertools"
 version = "0.10.5"
@@ -961,6 +1102,160 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "json-ld"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe42bdd89b19778c4b3695a3c71919046fa64f65b6b9bea33240d1711295b49b"
+dependencies = [
+ "contextual",
+ "futures",
+ "json-ld-compaction",
+ "json-ld-context-processing",
+ "json-ld-core",
+ "json-ld-expansion",
+ "json-ld-syntax",
+ "json-syntax",
+ "locspan",
+ "rdf-types",
+]
+
+[[package]]
+name = "json-ld-compaction"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a5279f0f8cab0f55a1adf8340f2168b0630dbfdbefe3c7bf86fbfe42bc61d7a"
+dependencies = [
+ "contextual",
+ "derivative",
+ "futures",
+ "iref",
+ "json-ld-context-processing",
+ "json-ld-core",
+ "json-ld-expansion",
+ "json-ld-syntax",
+ "json-syntax",
+ "langtag",
+ "locspan",
+ "mown",
+ "rdf-types",
+]
+
+[[package]]
+name = "json-ld-context-processing"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "353b656a3d5af5a18488831d3b732b6997f779ad90d51d731dd2672abd0a9628"
+dependencies = [
+ "contextual",
+ "futures",
+ "iref",
+ "json-ld-core",
+ "json-ld-syntax",
+ "locspan",
+ "mown",
+ "rdf-types",
+]
+
+[[package]]
+name = "json-ld-core"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7dce303cae132e4c8b2ffde5af1928f2b100095c0ad92f8b0bb516ddc1fec78"
+dependencies = [
+ "bytes",
+ "contextual",
+ "derivative",
+ "futures",
+ "hashbrown 0.13.1",
+ "iref",
+ "json-ld-syntax",
+ "json-syntax",
+ "langtag",
+ "locspan",
+ "locspan-derive",
+ "log",
+ "mime",
+ "mown",
+ "once_cell",
+ "permutohedron",
+ "pretty_dtoa",
+ "rdf-types",
+ "reqwest",
+ "ryu-js",
+ "smallvec",
+ "static-iref",
+]
+
+[[package]]
+name = "json-ld-expansion"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b93a40a9308871fd074ac87ff668aba6cc57922a5a27042bbd9dbc47e0b3417"
+dependencies = [
+ "contextual",
+ "derivative",
+ "futures",
+ "iref",
+ "json-ld-context-processing",
+ "json-ld-core",
+ "json-ld-syntax",
+ "json-syntax",
+ "langtag",
+ "locspan",
+ "mown",
+ "rdf-types",
+]
+
+[[package]]
+name = "json-ld-syntax"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9295ba958d50a56f2bae109955e7bff7b53078ae0a3e65a5f0ebf4443dbc8ba0"
+dependencies = [
+ "contextual",
+ "decoded-char",
+ "derivative",
+ "hashbrown 0.13.1",
+ "indexmap",
+ "iref",
+ "json-syntax",
+ "langtag",
+ "locspan",
+ "locspan-derive",
+ "rdf-types",
+ "smallvec",
+]
+
+[[package]]
+name = "json-number"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c724484d970b5aabe46934b9571980e255fd50a9ef1b13f23ed2b5c2a19bbb69"
+dependencies = [
+ "lexical",
+ "ryu-js",
+ "smallvec",
+]
+
+[[package]]
+name = "json-syntax"
+version = "0.8.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "792e31ce68030c1667ef7975f99932a7e8605f80bc34e26aea1ef65bfeff86a5"
+dependencies = [
+ "contextual",
+ "decoded-char",
+ "hashbrown 0.12.3",
+ "indexmap",
+ "json-number",
+ "locspan",
+ "locspan-derive",
+ "ryu-js",
+ "smallstr",
+ "smallvec",
+]
+
 [[package]]
 name = "jsonwebtoken"
 version = "8.2.0"
@@ -973,12 +1268,97 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "langtag"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d78b08c3742c6e025dac6db28d42a961411470194bc4ec2ef22ba16bbc38da03"
+
 [[package]]
 name = "language-tags"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4345964bb142484797b161f473a503a434de77149dd8c7427788c6e13379388"
 
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "lexical"
+version = "6.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7aefb36fd43fef7003334742cbf77b243fcd36418a1d1bdd480d613a67968f6"
+dependencies = [
+ "lexical-core",
+]
+
+[[package]]
+name = "lexical-core"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2cde5de06e8d4c2faabc400238f9ae1c74d5412d03a7bd067645ccbc47070e46"
+dependencies = [
+ "lexical-parse-float",
+ "lexical-parse-integer",
+ "lexical-util",
+ "lexical-write-float",
+ "lexical-write-integer",
+]
+
+[[package]]
+name = "lexical-parse-float"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683b3a5ebd0130b8fb52ba0bdc718cc56815b6a097e28ae5a6997d0ad17dc05f"
+dependencies = [
+ "lexical-parse-integer",
+ "lexical-util",
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-parse-integer"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d0994485ed0c312f6d965766754ea177d07f9c00c9b82a5ee62ed5b47945ee9"
+dependencies = [
+ "lexical-util",
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-util"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5255b9ff16ff898710eb9eb63cb39248ea8a5bb036bea8085b1a767ff6c4e3fc"
+dependencies = [
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-write-float"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accabaa1c4581f05a3923d1b4cfd124c329352288b7b9da09e766b0668116862"
+dependencies = [
+ "lexical-util",
+ "lexical-write-integer",
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-write-integer"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1b6f3d1f4422866b68192d62f77bc5c700bee84f3069f2469d7bc8c77852446"
+dependencies = [
+ "lexical-util",
+ "static_assertions",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.138"
@@ -1022,6 +1402,28 @@ dependencies = [
  "scopeguard",
 ]
 
+[[package]]
+name = "locspan"
+version = "0.7.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "685e26b5a3e4266c351baf3c00793a097e40f4293270ac508b3f4cbc41e72e54"
+dependencies = [
+ "contextual",
+ "hashbrown 0.13.1",
+]
+
+[[package]]
+name = "locspan-derive"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e88991223b049a3d29ca1f60c05639581336a0f3ee4bf8a659dddecc11c4961a"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "log"
 version = "0.4.17"
@@ -1076,7 +1478,31 @@ dependencies = [
  "libc",
  "log",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys",
+ "windows-sys 0.42.0",
+]
+
+[[package]]
+name = "mown"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7627d8bbeb17edbf1c3f74b21488e4af680040da89713b4217d0010e9cbd97e"
+
+[[package]]
+name = "native-tls"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
 ]
 
 [[package]]
@@ -1129,15 +1555,22 @@ dependencies = [
  "chrono",
  "dotenvy",
  "futures",
+ "iref",
+ "json-ld",
  "jsonwebtoken",
+ "locspan",
  "log",
  "pretty_env_logger",
+ "rdf-types",
+ "reqwest",
  "serde",
  "serde_json",
  "serde_test",
  "sqlx",
+ "static-iref",
  "thiserror",
  "tokio",
+ "uuid",
 ]
 
 [[package]]
@@ -1146,6 +1579,51 @@ version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"
 
+[[package]]
+name = "openssl"
+version = "0.10.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b102428fd03bc5edf97f62620f7298614c45cedf287c271e7ed450bbaf83f2e1"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "openssl-probe"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23bbbf7854cd45b83958ebe919f0e8e516793727652e27fda10a8384cfc790b7"
+dependencies = [
+ "autocfg",
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -1191,7 +1669,7 @@ dependencies = [
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-sys",
+ "windows-sys 0.42.0",
 ]
 
 [[package]]
@@ -1211,12 +1689,24 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1de2e551fb905ac83f73f7aedf2f0cb4a0da7e35efa24a202a936269f1f18e1"
 
+[[package]]
+name = "pct-str"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1240e3e7bfdde5660ba0fc3e9e3565d3b30c2ae1973e218e93b869da771ff2e9"
+
 [[package]]
 name = "percent-encoding"
 version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
+[[package]]
+name = "permutohedron"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b687ff7b5da449d39e418ad391e5e08da53ec334903ddbb921db208908fc372c"
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.9"
@@ -1229,12 +1719,27 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "pretty_dtoa"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a239bcdfda2c685fda1add3b4695c06225f50075e3cfb5b954e91545587edff2"
+dependencies = [
+ "ryu_floating_decimal",
+]
+
 [[package]]
 name = "pretty_env_logger"
 version = "0.4.0"
@@ -1245,6 +1750,30 @@ dependencies = [
  "log",
 ]
 
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.47"
@@ -1299,6 +1828,19 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rdf-types"
+version = "0.12.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83ab225d6a9c3fc881fb7fce5919af6cc67cd695890de13001bcf69fcb8727b1"
+dependencies = [
+ "contextual",
+ "iref",
+ "langtag",
+ "locspan",
+ "locspan-derive",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.16"
@@ -1336,6 +1878,53 @@ version = "0.6.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
 
+[[package]]
+name = "remove_dir_all"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "reqwest"
+version = "0.11.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68cc60575865c7831548863cc02356512e3f1dc2f3f82cb837d7fc4cc8f3c97c"
+dependencies = [
+ "base64",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-tls",
+ "ipnet",
+ "js-sys",
+ "log",
+ "mime",
+ "native-tls",
+ "once_cell",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustls",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-native-tls",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "winreg",
+]
+
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -1387,6 +1976,28 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
 
+[[package]]
+name = "ryu-js"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6518fc26bced4d53678a22d6e423e9d8716377def84545fe328236e3af070e7f"
+
+[[package]]
+name = "ryu_floating_decimal"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "700de91d5fd6091442d00fdd9ee790af6d4f0f480562b0f5a1e8f59e90aafe73"
+
+[[package]]
+name = "schannel"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88d6731146462ea25d9244b2ed5fd1d716d25c52e4d54aa4fb0f3c4e9854dbe2"
+dependencies = [
+ "lazy_static",
+ "windows-sys 0.36.1",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -1409,6 +2020,29 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "security-framework"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bc1bb97804af6631813c55739f771071e0f2ed33ee20b68c86ec505d906356c"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0160a13a177a45bfb43ce71c01580998474f556ad854dcbca936dd2841a5c556"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.14"
@@ -1507,6 +2141,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "smallstr"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63b1aefdf380735ff8ded0b15f31aab05daf1f70216c01c02a12926badd1df9d"
+dependencies = [
+ "smallvec",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.10.0"
@@ -1556,7 +2199,7 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcbc16ddba161afc99e14d1713a453747a2b07fc097d2009f4c300ec99286105"
 dependencies = [
- "ahash",
+ "ahash 0.7.6",
  "atoi",
  "base64",
  "bitflags",
@@ -1600,6 +2243,7 @@ dependencies = [
  "thiserror",
  "tokio-stream",
  "url",
+ "uuid",
  "webpki-roots",
  "whoami",
 ]
@@ -1634,6 +2278,21 @@ dependencies = [
  "tokio-rustls",
 ]
 
+[[package]]
+name = "static-iref"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9786d4b8e9e5423fe85c57a826d7e0f0774746149a2ccd21e2104ff74b71ce7"
+dependencies = [
+ "iref",
+]
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "stringprep"
 version = "0.1.2"
@@ -1661,6 +2320,20 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "libc",
+ "redox_syscall",
+ "remove_dir_all",
+ "winapi",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.1.3"
@@ -1759,7 +2432,17 @@ dependencies = [
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
- "windows-sys",
+ "windows-sys 0.42.0",
+]
+
+[[package]]
+name = "tokio-native-tls"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b"
+dependencies = [
+ "native-tls",
+ "tokio",
 ]
 
 [[package]]
@@ -1798,6 +2481,12 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tower-service"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
+
 [[package]]
 name = "tracing"
 version = "0.1.37"
@@ -1819,6 +2508,12 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "try-lock"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -1881,12 +2576,37 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "uuid"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "422ee0de9031b5b948b97a8fc04e3aa35230001a722ddd27943e0be31564ce4c"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "want"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+dependencies = [
+ "log",
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.10.0+wasi-snapshot-preview1"
@@ -1924,6 +2644,18 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23639446165ca5a5de86ae1d8896b737ae80319560fbaa4c2887b7da6e7ebd7d"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.83"
@@ -2024,6 +2756,19 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
+dependencies = [
+ "windows_aarch64_msvc 0.36.1",
+ "windows_i686_gnu 0.36.1",
+ "windows_i686_msvc 0.36.1",
+ "windows_x86_64_gnu 0.36.1",
+ "windows_x86_64_msvc 0.36.1",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.42.0"
@@ -2031,12 +2776,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
 dependencies = [
  "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
+ "windows_aarch64_msvc 0.42.0",
+ "windows_i686_gnu 0.42.0",
+ "windows_i686_msvc 0.42.0",
+ "windows_x86_64_gnu 0.42.0",
  "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_x86_64_msvc 0.42.0",
 ]
 
 [[package]]
@@ -2045,24 +2790,48 @@ version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.42.0"
@@ -2075,12 +2844,27 @@ version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
 
+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "zstd"
 version = "0.11.2+zstd.1.5.2"
diff --git a/Cargo.toml b/Cargo.toml
index 7aaa32c..8b4c889 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,12 +11,19 @@ async-trait = "0.1.59"
 chrono = { version = "0.4", features = [ "alloc", "clock", "serde" ] }
 dotenvy = "0.15.6"
 futures = "0.3"
+iref = "2.2"
+json-ld = { version = "0.10", features = [ "reqwest" ] }
 jsonwebtoken = { version = "8", default-features = false }
+locspan = "0.7"
 log = "0.4"
 pretty_env_logger = "0.4"
+rdf-types = "0.12"
+reqwest = { version = "0.11", features = [ "rustls" ] }
 serde = { version = "1.0", features = [ "derive" ] }
 serde_json = "1.0"
 serde_test = "1.0"
-sqlx = { version = "0.6", features = [ "chrono", "runtime-actix-rustls", "postgres" ] }
+sqlx = { version = "0.6", features = [ "chrono", "postgres", "runtime-actix-rustls", "uuid" ] }
+static-iref = "2"
 thiserror = "1.0"
 tokio = "1.23"
+uuid = { version = "1.2", features = [ "v4" ] }
diff --git a/migrations/20221225041649_create_objects.sql b/migrations/20221225041649_create_objects.sql
new file mode 100644
index 0000000..620faaf
--- /dev/null
+++ b/migrations/20221225041649_create_objects.sql
@@ -0,0 +1,11 @@
+CREATE TABLE objects (
+    id UUID PRIMARY KEY,
+    iri VARCHAR NOT NULL,
+    data VARCHAR NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT now(),
+    updated_at TIMESTAMP NOT NULL DEFAULT now()
+);
+
+CREATE UNIQUE INDEX index_objects_on_iri ON objects (iri);
+CREATE INDEX index_objects_on_created_at ON objects (created_at);
+CREATE INDEX index_objects_on_updated_at ON objects (updated_at);
diff --git a/src/data/mod.rs b/src/data/mod.rs
index c9c54b8..4e68b81 100644
--- a/src/data/mod.rs
+++ b/src/data/mod.rs
@@ -2,12 +2,14 @@ pub mod account;
 pub mod follow;
 pub mod like;
 pub mod note;
+pub mod object;
 pub mod user;
 
 pub use account::*;
 pub use follow::*;
 pub use like::*;
 pub use note::*;
+pub use object::*;
 pub use user::*;
 
 #[derive(sqlx::FromRow)]
diff --git a/src/data/object/mod.rs b/src/data/object/mod.rs
new file mode 100644
index 0000000..568fa16
--- /dev/null
+++ b/src/data/object/mod.rs
@@ -0,0 +1,3 @@
+pub mod pg;
+
+pub use pg::PgObjectDataSource;
diff --git a/src/data/object/pg.rs b/src/data/object/pg.rs
new file mode 100644
index 0000000..937212f
--- /dev/null
+++ b/src/data/object/pg.rs
@@ -0,0 +1,55 @@
+use sqlx::types::Uuid;
+use sqlx::PgPool;
+
+use crate::core::*;
+use crate::model::object::*;
+
+pub struct PgObjectDataSource {
+    pool: PgPool,
+}
+
+impl PgObjectDataSource {
+    pub fn new(pool: PgPool) -> PgObjectDataSource {
+        PgObjectDataSource { pool }
+    }
+
+    pub async fn create(&self, new: NewObject) -> Result<Object> {
+        let object: Object = sqlx::query_as(
+            "INSERT INTO objects (id, iri, data)
+            VALUES ($1, $2, $3)
+            RETURNING *",
+        )
+        .bind(new.id)
+        .bind(new.iri)
+        .bind(new.data)
+        .fetch_one(&self.pool)
+        .await?;
+        Ok(object)
+    }
+
+    pub async fn update(&self, object: &Object) -> Result<()> {
+        sqlx::query("UPDATE objects SET data = $1, updated_at = $2 WHERE id = $3")
+            .bind(&object.data)
+            .bind(&object.updated_at)
+            .bind(&object.id)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    pub async fn by_id(&self, id: Uuid) -> Result<Object> {
+        let object: Object = sqlx::query_as("SELECT * FROM objects WHERE id = $1")
+            .bind(id)
+            .fetch_one(&self.pool)
+            .await?;
+        Ok(object)
+    }
+
+    pub async fn by_iri(&self, iri: &str) -> Result<Object> {
+        let object: Object = sqlx::query_as("SELECT * FROM objects WHERE iri = $1")
+            .bind(iri)
+            .fetch_one(&self.pool)
+            .await?;
+        Ok(object)
+    }
+}
diff --git a/src/model/mod.rs b/src/model/mod.rs
index 7cb1f4d..daf1104 100644
--- a/src/model/mod.rs
+++ b/src/model/mod.rs
@@ -2,10 +2,12 @@ pub mod account;
 pub mod follow;
 pub mod like;
 pub mod note;
+pub mod object;
 pub mod user;
 
 pub use account::{Account, NewAccount};
 pub use follow::{Follow, NewFollow};
 pub use like::{Like, NewLike};
 pub use note::{NewNote, Note};
+pub use object::{NewObject, Object};
 pub use user::{NewUser, User};
diff --git a/src/model/object.rs b/src/model/object.rs
new file mode 100644
index 0000000..b30784c
--- /dev/null
+++ b/src/model/object.rs
@@ -0,0 +1,18 @@
+use chrono::NaiveDateTime;
+use sqlx::types::Uuid;
+use sqlx::FromRow;
+
+#[derive(FromRow)]
+pub struct Object {
+    pub id: Uuid,
+    pub iri: String,
+    pub data: String,
+    pub created_at: NaiveDateTime,
+    pub updated_at: NaiveDateTime,
+}
+
+pub struct NewObject {
+    pub id: Uuid,
+    pub iri: String,
+    pub data: String,
+}
diff --git a/src/repo/mod.rs b/src/repo/mod.rs
index 21cf92e..2f362ac 100644
--- a/src/repo/mod.rs
+++ b/src/repo/mod.rs
@@ -4,11 +4,14 @@ pub mod account;
 pub mod follow;
 pub mod like;
 pub mod note;
+pub mod object;
 pub mod user;
+
 use account::AccountRepo;
 use follow::FollowRepo;
 use like::LikeRepo;
 use note::NoteRepo;
+use object::ObjectRepo;
 use user::UserRepo;
 
 /// The central collection of all data accessible to the app.
@@ -19,6 +22,7 @@ pub struct AppRepo {
     pub follows: FollowRepo,
     pub likes: LikeRepo,
     pub notes: NoteRepo,
+    pub objects: ObjectRepo,
     pub users: UserRepo,
 }
 
@@ -29,6 +33,7 @@ impl AppRepo {
             follows: FollowRepo::new(db_pool.clone()),
             likes: LikeRepo::new(db_pool.clone()),
             notes: NoteRepo::new(db_pool.clone()),
+            objects: ObjectRepo::new(db_pool.clone()),
             users: UserRepo::new(db_pool.clone()),
         }
     }
diff --git a/src/repo/object.rs b/src/repo/object.rs
new file mode 100644
index 0000000..c82f79e
--- /dev/null
+++ b/src/repo/object.rs
@@ -0,0 +1,44 @@
+use sqlx::types::Uuid;
+use sqlx::PgPool;
+
+use crate::core::*;
+use crate::data::object::PgObjectDataSource;
+use crate::model::{NewObject, Object};
+
+pub struct ObjectRepo {
+    db: PgObjectDataSource,
+}
+
+impl ObjectRepo {
+    pub fn new(db_pool: PgPool) -> ObjectRepo {
+        ObjectRepo {
+            db: PgObjectDataSource::new(db_pool),
+        }
+    }
+
+    pub async fn create(&self, new: NewObject) -> Result<Object> {
+        self.db.create(new).await
+    }
+
+    pub async fn update<T, E>(&self, object: T) -> Result<Object>
+    where
+        T: TryInto<Sane<Object>, Error = E>,
+        E: Into<Error>,
+    {
+        let mut object = object.try_into().map_err(|e| e.into())?.inner();
+        object.updated_at = utc_now();
+        self.db.update(&object).await?;
+        Ok(object)
+    }
+
+    pub async fn by_id<U>(&self, id: U) -> Result<Object>
+    where
+        U: Into<Uuid>,
+    {
+        self.db.by_id(id.into()).await
+    }
+
+    pub async fn by_iri(&self, iri: &str) -> Result<Object> {
+        self.db.by_iri(iri).await
+    }
+}