Frank Weir (30 January 1911 – 12 May 1981) was a British saxophonist, orchestra leader and jazz musician. He reached number 1 one on the UK Singles Chart in 1954 with Vera Lynn on a recording of the s
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 0xfe05748649aeaa7d889157f874814348eceba2ff4ae838ec96581142a06364ed. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b71068c5-4712-4362-b76f-7956ebadc2fa.json and https://artists.proofprofile.net/proofs/artist/b71068c5-4712-4362-b76f-7956ebadc2fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).