Benjamin Laplace
type: MusicGroup
description: thumb|Benjamin Laplace Benjamin Laplace is a French singer, guitarist, composer, bassist, director and author. Biography He began his career at the age of 17 with a group called Mistral born in the
popularity: 8
followers: 14049
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7c7e537eb22d7c4df45d18320e018d829faab1c0073de9716405663dd9e659e. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cb4427fd-3bb3-4f8d-9303-d3ba98ceb400.json and https://artists.proofprofile.net/proofs/artist/cb4427fd-3bb3-4f8d-9303-d3ba98ceb400.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:40:06Z
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