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 0x23b9edf65850b429fd1c534974d3ba043189fd076fd4cf6688a4670db1152de8. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64fafe1e-8808-4281-97ba-5bcbb8f879ce.json and https://artists.proofprofile.net/proofs/artist/64fafe1e-8808-4281-97ba-5bcbb8f879ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vincent Ho: The Shaman & Arctic Symphony (Live)
Sandman's Castle: The Solo and Duo Works of Vincent Ho
Vincent Ho: The Twelve Chinese Zodiac Animals, Books I & II