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 0x88bdf92bf4a44e6d8472c76a4db981d5c94e8024d601be5cf24fa3520624ed98. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d05fde9-fb4b-459c-b800-4b07b2088cc3.json and https://artists.proofprofile.net/proofs/artist/9d05fde9-fb4b-459c-b800-4b07b2088cc3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Quan Les Patums Fan Patam Nosaltres Patim
Si La Merda Fos Or Els Pobres Neixerien Sense Cul
¡no Pasarán! Canciones de Guerra Contra el Fascismo (!933-1936)
Para encontrar el camino, hay que ser frágil y fuerte. No hay que temerle al destino, ni a la vida ni a la muerte
No Pasarán, Canciones de Guerra Contra el Fascismo