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 0xd3bed345f58f5bbf23f38866649df3a88cc351b737af56c76789781afb42e785. Chain 2 (Bitcoin): anchored in block 953660 (2026-06-14T17:20:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5288597a-c27f-4b14-a5c7-f2971e6f1035.json and https://artists.proofprofile.net/proofs/artist/5288597a-c27f-4b14-a5c7-f2971e6f1035.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Aunque Pasen los Años Te Seguire Esperando
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 0xc4e36e693b244a34fe717c36b6d801c2ef679dfe4d2c7e6018f012729f5882c8. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/QZHZ42021330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2bb72de893dcd6659d43f398c705606830aad3145814475e283381cc5cd2a4. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:35:55Z), 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/QZHZ42021332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ddbcfacad5a185fa9b79ba64b921645129fd4f7f18d0d6f82ccfd26b5ea3836. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/QZHZ42021333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d04cec620881ccd398b89a39e0062d9c060f7213744ebf8ecf144075f4cefb6. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZHZ42021334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b54a55c9f788700eb1485a415bce478f55d2c5604d46f47187d35db7ccc8001. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZHZ42021335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf11a072caad6972efefbc46b2c079ae8d4ec649670b0d719793dd50ae50d7a80. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:21:49Z), 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/QZHZ42021336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b5052ca4b22c2b70f5cc6915776c32865254e1ec558b2cb5735b6b8b2951895. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZHZ42021338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe92d81eb81eaae3d057ebc5501f618d2a74b5401c8c0385c8fb0987a9fc06e8. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZHZ42025520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7008b5c4a158ee60f49229608b5e76d82f302a91fda19eeb84e1a9abcb52405b. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZHZ42025521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e66e97e15c976929397a734e8f2d78f5eb55cfc5602eef67e98b907903bf06. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T02:02:04Z), 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/QZHZ42025526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82600ea971ce9ffb65fecf721b7802173ad7942d7f5b0c6b26b685e858727646. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/QZHZ42025682.
Alegría y Sentimiento de un Cristiano, Vol 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4db5c9d1ddc5116e85e33e278c5b034b9621670a067d7edfeaa8b05dae5758a. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZHZ52099015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13222dea4e96d43a3e0afcf8d434b235d47a39db95fcf287a399bc89bc487eee. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/QZHZ52099020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba7486eb405f0d36ac931806ec802abc3bd6ecd6bcc88bce71c26a4748180d12. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/QZHZ52099021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdad4815ec51140c75f6149f8647099296715158f7b9d44fd5c49c7a625ab37f2. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZHZ52099024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d3cd397ca58f51730c99b6b097dc042663a22ba48b44482fcc8f86a1911cc0a. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZHZ52099028.
Mano a Mano, Alabando a Dios Con Mariachi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0652dded762f24ee3ffed54695a851ecddd3838fe8907bf99402ea70f44cbe7e. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/QZW9L2242666.