Sayle is a surname. Notable people with the surname include: Alexei Sayle (born 1952), English stand-up comedian, actor, author and former recording artist Amy Sayle (1884–1970), British politician an
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 0xbbf8849c2a8dcb137fcbe5287e6099c081db9405fd56dbbbed72ac7958450b37. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/790fc59f-fbfa-4654-904c-26d06b59130a.json and https://artists.proofprofile.net/proofs/artist/790fc59f-fbfa-4654-904c-26d06b59130a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).