1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccec7f7f9f19e95dc34396fc6a0e4f89d3046921c7a1315d5809e7dc8d027eb0. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/24d141cd-0439-4adc-9188-f810e5092c61.json and https://artists.proofprofile.net/proofs/artist/24d141cd-0439-4adc-9188-f810e5092c61.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Man From Duck Run/The Country Side Of Roy Rogers
Seein' Nellie Home (Aunt Dinah's Quilting Party)
Happy Trails: The Roy Rogers Collection 1938-52
Essential Classics, Vol. 946: Roy Rogers
The Little Boy Who Couldn't Find Christmas