upright=1.45|thumb|Cliffs and rock pools at Dane's Dyke South Landing, Flamborough Head right|thumb|The chalk tower near Flamborough Head. Built in 1669, this is the oldest surviving complete lighthou
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 0xa32e3d9726a5d1c4c957bf178a1ba6e37282e912a2f7fa89193f233621bb2080. Chain 2 (Bitcoin): anchored in block 953988 (2026-06-16T18:23:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2e6d4b9f-dcfe-4e03-9a80-c4810b6c20b7.json and https://artists.proofprofile.net/proofs/artist/2e6d4b9f-dcfe-4e03-9a80-c4810b6c20b7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Shreds Of Evidence - Obscure Live Tracks and Other Rarities
Live at Progfarm 2006 (& Northern Prog Festival 2015)