Alice Katherine Martineau (8 June 1972 – 6 March 2003) was an English pop singer and songwriter. Early life Martineau was born in Merton to parents David Martineau (a retired judge) and Elizabeth All
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 0x2b10d96612964e75d600aece943c84805816684cf70571661761ca5ad0f9e9d0. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/965374ca-5105-40aa-be3d-07f7e8d9df3b.json and https://artists.proofprofile.net/proofs/artist/965374ca-5105-40aa-be3d-07f7e8d9df3b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).