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 0x7e7af3ef6ec9360c84150c9850b58e3dfa8274c2b58fa2e32c5f3dde914803e7. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b41f1e1a-fc71-4574-ba3d-4b428734a122.json and https://artists.proofprofile.net/proofs/artist/b41f1e1a-fc71-4574-ba3d-4b428734a122.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Las Canciones de los Peques: Todos preparados / Quisiera ser tan Alta como la Luna / Mambru se Fue a la Guerra / Vamos a Contar Mentiras / El Patio de mi casa / Tengo una Muñeca / El Sr Don Gato / Habia Una Vez un Circo / La Gallina Turulec
Do The Strum! Girl Groups And Pop Chanteuses (1960-1966) [Joe Meek's Tea Chest Tapes]