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 0xa5666383c8ff807352b29ef336449fdf4334426d2bb8424436fad57e176dcb2e. 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/8dca284e-fb1f-49a0-aaf8-871d81a1b269.json and https://artists.proofprofile.net/proofs/artist/8dca284e-fb1f-49a0-aaf8-871d81a1b269.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Canção - Rui Maia e SaiR Remix Instrumental
A Viagem dos Capitães da Areia a Bordo do Apolo 70