Joe Cooley (1924–20 December 1973) was an Irish musician known for his traditional accordion music. Biography Cooley was born in Peterswell, County Galway in 1924. Both his parents were melodeon pl
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae93c5b31dd53f2497e650d4e6fba7d58cc384bdcf686fca06084acc289a9d4e. 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/aed03c2b-a722-4429-ba06-c0180d9931e8.json and https://artists.proofprofile.net/proofs/artist/aed03c2b-a722-4429-ba06-c0180d9931e8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).