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 0xed6cd2a9cd0b5a4cb46331d1a663b0f87cea9df17d22eb1f8fdddead98111c16. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c27a7a41-5aa5-46df-9085-f44d02ee1106.json and https://artists.proofprofile.net/proofs/artist/c27a7a41-5aa5-46df-9085-f44d02ee1106.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
FELIZ CUMPLEAÑOS -VERSION RKT (Perreo RKT)
WHAT DO YOU MEAN ? (aleteo - guaracha) ✘ Wailers Music
EL MALEDUCADO (DURO 2 HORAS - RKT) ✘ Wailers Music
Q CHAT EST #1 / MEGA RKT 2K24 I LO MAS ESCUCHADO I ENGANCHADO RKT / D-CRISTON-J ✘ Wailers Music
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 0x75fdb74f2d641bded80df9e2694e54ae1de4e55727d519addddd3825662983e3. 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/QZWFE2430242.
MEGA CHINGON / D-CRISTON-J X WAILERS MUSIC
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03a306626447617eae2fc33ecc185d73fc178c90b40ffb38bd0aa4ab978e424a. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZWFH2527330.