Hélène Breschand (born 18 March 1966) is a French harpist, composer and improviser. Breschand leads a career both as a solo artist as well as in ensemble work, playing both a contemporary repertoire a
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 0x3adae8b0e173f25457cafff13f711f0fdf01efca0457fc9496a62a5404bc9d0e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/762aa4a6-7c14-4a60-a1a6-43cdf9da3c05.json and https://artists.proofprofile.net/proofs/artist/762aa4a6-7c14-4a60-a1a6-43cdf9da3c05.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chansons du Crepuscule: L'Apres Midi d'un Bot