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 0xd443af5f5bacbff22ac3f6d411bde2739c6bbc99aaa2db4716834a5913d5a1ea. 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/18c4cd07-9053-4953-bc2c-2a47216007a0.json and https://artists.proofprofile.net/proofs/artist/18c4cd07-9053-4953-bc2c-2a47216007a0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pistas para Cantar - Sing Along: En Navidad
Asi Empezaron Papa y Mama - Instrumental
Greatest Cumbia Classics Of Colombia, Vol. 1