The Sand Band are a British alternative folk band from Liverpool consisting of guitarist / songwriter David McDonnell and bass guitarist Ben Curtis. After working in a music shop together in 2002 and
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 0x341dcbf304f18050cf059a5764d3a7646ca733e4c76d14da03c2b7a812f349cb. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ac925255-eb5c-46a7-97c6-e7da19e5ab3c.json and https://artists.proofprofile.net/proofs/artist/ac925255-eb5c-46a7-97c6-e7da19e5ab3c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
All Through The Night 10th Anniversary Edition