Prynne is a surname. Notable people with the surname include: William Prynne (1600–1669), English Puritan statesman George Fellowes Prynne (1853–1927), British architect J. H. Prynne (born 1936),
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 0xa4b2ac67b0050c0f6d6fadba6febde7ed2c07be8bd748ae18fc576bb5b3fbea2. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d31bb00a-9a57-43ff-afbe-8b9e1d87f4f3.json and https://artists.proofprofile.net/proofs/artist/d31bb00a-9a57-43ff-afbe-8b9e1d87f4f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).