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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2458efe2112fdd328f2db4390ff6f64775fead6530b4d98c33250204dcf5aa6. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fa8d8af4-c4e2-4730-bfc2-662a2d0672ea.json and https://artists.proofprofile.net/proofs/artist/fa8d8af4-c4e2-4730-bfc2-662a2d0672ea.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77a0a2db3d22152d3376b7072671d1db22ee01a56cbaa8630cd18c063deaa3f3. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/USCGH2050541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x493f17ac8a984bf1850d5e731051d96219edb71d75d1178ec19d32647f9569eb. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:32:30Z), 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/USCGH2050542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6a2a861d9a64531eb3e03639e74a9683a2d8741c38732f89657e83ac958ece5. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/USCGH2050543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c176873da8a609eab3ebc67f80257d06d402af832e9e8a43289ef015ca5c4cb. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USCGH2050544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc590e8c0533e36870ef4562277f6f8264f47e65999706e9b35654fa1171b2cd0. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T11:30:37Z), 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/USCGH2050545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ec92dc59f48c1aa9e2840b347fcc39900d147fabdd01df1a2fca144b0c729bc. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/USCGH2050546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf42d0b95bd92c43a34b0368101c0ef484d5c1e97fa289bf2551a382ef624f9ad. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/USCGH2050547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04032383a85be000f1f066642597046b0e740a62f2a0fddcdf50585cfe77c8b7. Chain 2 (Bitcoin): anchored in block 958116 (2026-07-15T10:17:38Z), 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/USCGH2050548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c1fdd2e958103011b5ad17cf45c1bc0d25337a7f596fce0a13baca25973b75d. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USCGH2050549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89c57edfc16d720d58bf4f1a96e471d44e2c1e3c70a8625dd44795fd0df084b3. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USCGH2050550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42667697d25a448410443feb0ef41284789fff6348aa3da6d054b0e273f02cf3. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/USCGH2050551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09bb946839f8d6cb19f14d8b0cb678ed712bce5bb1774a6dafb72ef2ec1856e0. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USCGH2050552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95781fc09d16862018f4b50e7e9afe64eb24fdc854e4095755c12954f8c66205. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USCGH2050553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e5887e7c7e52a0f42915d060da46f6531e240411ce02600366a09ecbe508a52. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), 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/USCGH2050554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75e5c3cdd3c92eb80a93afd3407760d6efacee44e8bdf87bb40b456eaff5725d. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USCGH2050555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04891ee3f62764fe5c6ddf660be51b78ffe5ae7d17841fcd6e66fa8805debbc2. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USCGH2050556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb318c49302e89877fb01d0b744621c729b711c75921df435234d29147026f4ef. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USCGH2050557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4460bce842aab5035ba85d99cfd39d0850b1117992524c52d9cdc91b371ae96a. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/USCGH2050558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x868585482f9f9db8b95a7fef9586962979438b3a12465ac014d2ad80121b3bec. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/USCGH2050559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b0704cd662e01245e4f56dd5e6fbaf386cb4c48e1de2942bd55723f5dded264. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USCGH2050560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9626aef0bbb851b2298e85ee5c3e276a1bcd8e501abdc3047bf35daa04dd93c4. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USCGH2050561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9555d16ebcf7d6a86e177abd89b915ebe86eddac91b0b198d7bb343cb0485f8c. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T18:01:14Z), 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/USCGH2050562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52ac8d79c367376e6a11934f293275cc6a75710c12fb4fe07fd183be58a01e72. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USCGH2050563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb856ef3b281cc29430c578f917d894ae467d6cdd385567dc844f511f9d96c976. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T21:40:18Z), 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/USCGH2050564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa960fee574a3895c9472410af2d6aa1099f8d8b348c410bb146c0af855859883. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USCGH2050565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77cc447094e7dabdb7c2184a083539a04e09e8cfa0d4441c29246343e3d68ad9. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/USCGH2050566.
The Oceans and Continents (Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x948184dfb0ba66805e052b55ecbad8786e6efed62f63097a472d3edbf484926a. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:26:43Z), 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/USCGH2050567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd83ce6739bc0d98b5f29c10df0728442967f2d6240bccb296da3f8acdd777bc5. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:49:44Z), 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/USCGH2050568.