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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe70f4bdba9ef47c3b83926c47892d21151807af7c3f5ee2eb3fd30c6d9be9f2a. 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/89dac81d-661a-4c0a-911e-a1f9067999c8.json and https://artists.proofprofile.net/proofs/artist/89dac81d-661a-4c0a-911e-a1f9067999c8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
PMFWAFT (Pretty Muthafucka Wit A Face Tat)