Frank Signorelli (May 24, 1901 – December 9, 1975) was an American jazz pianist. Biography Signorelli was born to an Italian Sicilian family in New York City, New York.Scott Yanow, [ Frank Signor
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 0x23387b9af663b8128a741ad6cf26ee95bfa2baee78d29e455e17fe871f4c13fb. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8d8debc3-81aa-412b-aa03-32d46241ed8b.json and https://artists.proofprofile.net/proofs/artist/8d8debc3-81aa-412b-aa03-32d46241ed8b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).