Fatty is a derogatory term for someone who is obese. It may refer also to: People Nickname Roscoe Arbuckle (1887–1933), American actor and comedian Fatty Briody (1858–1903), American Major League
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 0x0473e111662b61ac786f31897ac1b5c73778b8efccc9d57c12d7e7c06a8448c8. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/69b9c2b5-eee7-4e9c-83d3-55276c60b1fc.json and https://artists.proofprofile.net/proofs/artist/69b9c2b5-eee7-4e9c-83d3-55276c60b1fc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).