Xeer (pronounced ) is the traditional legal system used by Somalis in Djibouti, Somalia, Somaliland, Somali Region of Ethiopia, and the North Eastern Province in Kenya. It is one of the three systems
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35fb7ba414bca2ba301edf7c0df57c8d749a9337b8fb7cf305fc8668c4d87325. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/78bb460f-9399-4b2c-99b3-6a7d5f09d95f.json and https://artists.proofprofile.net/proofs/artist/78bb460f-9399-4b2c-99b3-6a7d5f09d95f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9cda302e83c19396df32eb92d169a7d1eb267f890f36dd5bf500757bdb4983d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2514905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27d0d7e35aa006f509f8327a2fb1729e1af6fd651c16b037ffc8df24e3a3ce6d. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBX722400285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a1796eef1d2ac7dbdf117505865f16ebc0d5e5077df7e27d8a3c112948445b7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2456188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32d6c9a1e22908ee0bab87e4faa138e6b23a797d1609d40c2f299e1f030b9d8. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2456189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b21a6ed31583e49555333991d8af5b7b71dd21e8ea7257c7d8cb2e5249374ef. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2415031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbabd386605be32c7457e6afa436653db2a89eabc026468e3748cc92e3f744ed. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLV62323491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55cc0720637b3c8f6c6291790d1c212fe4262cf7b4834e49ec17a5359e2a0ea4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CACWV2364359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfadb85b1c6d4e57ca66beb7184c2b9c886243d7dadae6c6cb2ccac326b6f9221. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX38U2206219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf434b937be0475ad2dc944bfafe727bd810c4fa667bcf9164a027c5616e0284b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX4R52193735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef306dcc934d9797b9cb1f9ea5e4425f5a792cb5733a3889a668b27f77ca3d37. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU9885822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfad7a7fea5f67956203dfc6c777b707d007d05a947dd1798159f7e36aa51cd78. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU9542141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8c0775c29de20cfc883eb0a131d012277cc9a4be219d4e8e4a5437408758b3e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2103166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e78c8fbeb0d89386fdbef2ac76039fba418d0f4a9c4cd5e02e81166aacbeac9. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUMEV2026950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc688841b74b1b6024e53b21ab89f1edccee13f7c2230393cb5455d043d00f9c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUMEV2024093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10856a6082cc4a655ba152ab1db3f48714e2af91679cb30f66e8ac4eb5c3195. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5752099845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b888fe59197320b996d1c4b582e1656448cd443e1df7eb448bddbea62719046. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6A92083585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ee690a34290e63f4e4a81a48ca10939c5726b8dce737bd791fe5b12765c12df. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5751933929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f4aeb2c4681e5507bbce21d72dc85a61fb5a13cfa40eb3bae5cf46799f42d3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2561337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d36e15793d36f1e341dcfcaefcc1badc968ef22419c9394865a8349b43cfd7a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2561338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2031dadda1aeb1162289720cb2130e08ef31516d03c9fa2816dd6b6c92f0defb. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2561339.
Nothing But... Pure House Music, Vol. 04
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa275d7120a324ec14fc0b648704a29f842f062a76433fe37a7f29a575548003. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2565955.