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 0x162d0aeffcab3f27e2d08210c8765d3eceff7dfc65e89bf3e9d7c9e461705bef. 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/4496206e-c2bd-4a87-9dd9-931a728a3098.json and https://artists.proofprofile.net/proofs/artist/4496206e-c2bd-4a87-9dd9-931a728a3098.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 0x066a4cdfe2a592c1bbabead4ea6b79c45036253a68e82fd2d77fe4b8ecb5e51e. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/USHM81752372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x982b6b8e049b5465d835ea7527013dd01ead53588e952357f205e93dfeea2a8f. Chain 2 (Bitcoin): anchored in block 958399 (2026-07-17T10:39:51Z), 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/USHM81752590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4b36d5d44610563f908a9ba739d9d753add5cced39942d68c5c761b3bdc6c19. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USHM81752594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4159839e936de3410a4d23839bf324157612d616080c3bd5a170b06298a851ce. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T06:33:30Z), 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/USHM81782059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdc42028c91012ff2cf629eeac08a3780229b41b7a22a0786b20deb2f890cb48. Chain 2 (Bitcoin): anchored in block 959063 (2026-07-21T21:45:32Z), 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/USHM81782060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa538fea265ac146b30fb60495bfde4cae346426c3e7ad1cfaab899cbd95e669e. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/USHM81782062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91cd6926420dfe7cace8ee3be8a6be56a982f87f08eb8d862eba77922475180a. Chain 2 (Bitcoin): anchored in block 958561 (2026-07-18T14:22:01Z), 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/USHM81782063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b27ac9b743e9296646c2fa266cf132a8e71228a1821920132beba5669386f95. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), 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/USHM81782065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16d798e3d25995c73e5dcce5efb4161d8f285f499165beb6e397b43f442b42dc. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/USHM81782068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19de27a711226a32cc38472e84653e9e16b28de1899b08482695f6ef62ffa86d. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/USHM81782069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aabe5c7733bf5376659623f8ebe0c9a1f70e57523414e1b89c7dce621b3210b. 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/USHM81782070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf25cc75c09ad8edeeba6026aa2be5e24aa0cb86b65063a4d32c9b85c5caee00f. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USHM81784271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf26bc0fedc1cdca65cc9a34ee3001831cc3c7099768e35d22cc5beb34d6e5679. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T01:47:42Z), 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/USHM91946524.
Balerom en concierto (En Vivo Gira San Valentontin)
Misterios y pasiones - Gira San Valentontin 2022
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8585d35def3400e6815f40a64464b0b54b01bc88b2575b373c4d8f430a30fc7. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/QZ5FN2329875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x110d90ae5984f4504389705cba5f282e34bfcc0a5c08de7a3c81053a9d2945e6. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T15:22:45Z), 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/GBWUL2338760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42b873475b894691df00818f74426e074234ed25a25aeb997852ec30ed2f3175. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/GBWUL2338788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50acadf158b2406609a29cf36a23f77abbd1abd0f140d1e49d019088d24b5b42. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/GBWUL2339079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97dded7753bed95a8410230e87737b502e9b42fa45c086ab5c5dc3cc19d7901f. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/GBWUL2339099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x116955fca4b0f589a298c8f73d881debce99491be8cca4d74daeed1b403064a9. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/GBWUL2339155.