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 0x2774504568fa7938ba3bc08c18d0c1365f76f2c3413dff92b0f8e89e25dfa9e1. 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/8aa503d4-388d-4ee1-9531-39f60f809370.json and https://artists.proofprofile.net/proofs/artist/8aa503d4-388d-4ee1-9531-39f60f809370.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Potpurri en Banda: La Liebre Pelada, El Conejo Pelao, San Felipe, Laguneta en San Pelayo, La Molinera, El Mejoral - Instrumental
La Liebre Pelada / el Conejo Pelao / San Felipe / Laguneta en San Pelayo / la Molinera / el Mejoral (Instrumental)
Cumbia. La musica afrocolombiana (A cura di Leonardo D'Amico)