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 0xbc061228ff427212c553dd89f6128baac60532bede90794a89b9e81d06502d7f. 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/2faf27fe-6f9d-40e8-ad67-fe3abd40382d.json and https://artists.proofprofile.net/proofs/artist/2faf27fe-6f9d-40e8-ad67-fe3abd40382d.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 0xd9aa1ab7605645c1f2488b067577c2a74a9f411eab2425cb3be9013dab1efcb9. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/TCABU1413954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c6ea670b4192562aa2bbc48301b994ba9e947c71d5e54cf63397dbc39f67842. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:24:34Z), 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/TCABY1475563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd100417c36f82b7740c1cddbe31f8ebb919d2da7b6d4047511c22bbc00d85785. Chain 2 (Bitcoin): anchored in block 957595 (2026-07-11T18:26:17Z), 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/QM6V51500002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x030d130714a5fa9be3ef27bd5e056d7f9f740018dda3a5645b03ba4f6933f1b5. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/GBLFP1579841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b449bd62113876badd7ebc4e1ab2be004a8a969f41862e51134c25e23ff1fc. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/QZMEN2041959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2df7afd31766e21eb65c3abd0e4d862a1eaed3c0bfa1c3042c24cfd9db2f0934. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/QZMEN2050692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bfd0fd6636d63daf9e3df8a50699432487746c80cf084c1e0e521f978f60fb8. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:57:14Z), 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/QZMEN2052930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5104d623e5402e012d1866cbf66f1dcd1514919dae77d87cb23f6be32f3fb708. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:43:27Z), 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/QZMEN2041167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86112e9305d7ab82bb805c6790e31bd774940b078e2ce8c29a9c8703f3234be4. Chain 2 (Bitcoin): anchored in block 957603 (2026-07-11T20:26:17Z), 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/QZMEN2041165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16c03b2a22c7b3ec03ff220fe81cc4a72802a80cc5ad88386380499a49af647b. Chain 2 (Bitcoin): anchored in block 957595 (2026-07-11T18:26:17Z), 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/QZES72214980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6189a2cb2d93e4d73e4ac5ad05b3500b1ee680f7d8a0215189a9533b18c495c. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZES72214981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc360916b8f0b4690bdacb8d031df2e15e4020267fcb44ddbfdb2593180cfdbc. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/QZES72214982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aac18a50d6de8fe65316959243e85148d4927dacbf9728273f261e2a139fda8. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/QZFZ42313775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x173724b6b37d43f6ed47029c14c744a1baa791376925bd8afb9895a440ad01fc. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:48:05Z), 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/QZDA82368661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd1bf0525739842577bf3f71ed5d7fe8da5087143b9af2e7060e91b3f6930dd. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:20:44Z), 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/QZHN32397572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4e689baabe86e76dc1c19b940067238d14e7660603b83711421df85834fe5f2. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T09:50:04Z), 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/QZHNA2378852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0130a7ffeea60df2a446c6324233ab60b4563ca7a8e89cbadbed23b018bce8b5. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:33:36Z), 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/QZK6N2496163.
Yeriko vs. Pepegrillo - Octavos de Final - Live
Final Internacional Argentina 2018 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x069fc777273f1e3dc43b27c9b1e2055e363464419b337ad5c554fb709d3db916. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/ATRG71801193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95680812e1daf62d8494ef9cb186a0ae1db2ce33a28e72decb04c25e0e5b07ce. 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/ATRG71902801.