1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb768af32230cf01632838413a2a0a4aba45545f0cc106d344fbbc46957592ced. Chain 2 (Bitcoin): anchored in block 953621 (2026-06-14T09:42:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d06568c-a154-46e3-b889-760a004452b2.json and https://artists.proofprofile.net/proofs/artist/1d06568c-a154-46e3-b889-760a004452b2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Música Occitana a las Puertas del III Milenio
Four Forty Eight (feat. Big Flock & Fat Stackz)
Intellectual Property #So12: 20th Anniversary
Mic Bless'n Gun Press'n Impress'n (feat. Oc)
No Guts No Glory (feat. OC, Curse & Rasco) - Remix