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 0x89889a9185b9ec7a0493be54e178944f583833e48282dda9ea889d70c999b2c2. 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/19f5a6b2-706b-48ca-8d2e-ed271d1f154e.json and https://artists.proofprofile.net/proofs/artist/19f5a6b2-706b-48ca-8d2e-ed271d1f154e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
"Ella No Sabe" (feat. Manny Ruiz) - Single
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 0x950a455c83a1b264c441b37795ba64c3955fbd10f4f3fd4549c5a28725171468. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/USCGJ1070150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77593b26630a51182c206fb88d4fbf55e9933d2adbce0144334197cdc8b4a541. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/USHM21320325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x598a3f5474010cf599980cdede81dffa9f98d8df6ad8294c5aaabcf93178ac19. 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/USHM21320329.
Cuando la Musica Se Escucha (feat. Sporty Loco, Bobby Castro & Daisy Villa)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2013a12de96e0bc5b7f707f83807f422146b50afaa9fe48e32ee7fa04d873ad2. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/USHM21320331.
Recargate en Mi (feat. Dueto Voces del Rancho & Bobby Castro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c77d4097ac3b9a4a4b49d71a3eb3b886c3a1cd16e525019508a719bec2e47f6. 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/USHM21320332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7037642e7afdb0973f345157ce0df8a7e30449dca3c4a11505b8f5ac081795b. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USHM21320333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a83ba39dd96c92cd4b651e3756cd23965bae101e93864b0336e9ff2d17ec13. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/USHM21320334.
Que Haria Sin Ti (feat. Cindy Ortega & K.O.G)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0475687794d7335691ac79c84accd686805b75acac0b12f85e71ea9a23a6966. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), 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/USHM21320335.
Mundo Nuevo (feat. MC Magic & Manny Ruiz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96650f57953294b0fa51bf7c0a71a673e3f60341ad29cc34be212af546244326. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/USHM21320336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd55716f264254385e4c0ab9d35f43471e1a68e28f81148d6a0054c8ca297b9. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/USHM21846465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x922e23d977a512f12aa33d3513bb8af3c264335d0c096e4810d1fa8810b655b8. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/USGNV0600283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd10602731e14d9585e1cd443d8b4ab93970e54a1fa7069f3475401eac2e112fd. 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/USUYG1080235.