Laure Calamy (born in 1975) is a César Award-winning French film, TV and theatre actress best known for her roles in Call My Agent! and My Donkey, My Lover & I. Early life Born in 1975, Calamy is the
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 0xb0de1fb35ac6bf7b6b4a34f9aed6b3caa27f15b1b57be23df85b5b38763cb17d. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ce26b510-5cae-440b-81dd-fcb7b6a58301.json and https://artists.proofprofile.net/proofs/artist/ce26b510-5cae-440b-81dd-fcb7b6a58301.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).