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 0xc66add57a1a18a601bf8dd9cece2fceb01cd2fa1abfac3d329ca09ea17c48738. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c6c3444d-34dc-4c53-8d08-c60156c230dd.json and https://artists.proofprofile.net/proofs/artist/c6c3444d-34dc-4c53-8d08-c60156c230dd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Othello (Original Motion Picture Soundtrack)
Importance Of Being Earnest Front Titles
L'importance d'être Constant (Bande originale du film d'Oliver Parker)
Importance of Being Earnest - Front Titles
L'importance d'être constant (Bande Origine du Film)
L'importance d'être constant (bande originale de film)
Importance of Being Earnest Front Titles
Dad's Army (Original Motion Picture Soundtrack)
Auf Wiedersehen Mr. Hitler (Song Version)
Auf Wiedersehen Mr. Hitler - Song Version
Who Do You Think You Are Kidding Mr. Hitler
Mr Selfridge (Music from the Television Series)
The Mallorca Files (Music from Series One of the Television Series)