Franck Vigroux
type: MusicGroup
genre: avant-garde
genre: drone
genre: experimental
genre: french jazz
genre: idm
description: Franck Vigroux is a French musician, composer and media artist. Background Vigroux's artistic approach integrates new media and performing arts. He is a multifaceted artist whose music works range fr
popularity: 5
followers: 1851
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x7d2b597d4eada61f5725c981f2bb255bbffb1a79a957e802a8a16dac7568810c
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6feffca7-d6a6-4d84-afcd-150836b60e62.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6feffca7-d6a6-4d84-afcd-150836b60e62.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6feffca7-d6a6-4d84-afcd-150836b60e62
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7d2b597d4eada61f5725c981f2bb255bbffb1a79a957e802a8a16dac7568810c","name":"Franck Vigroux","registered_at":"2026-06-17T04:38:15Z","symbol":"NIM1283472","token_address":"0x8621b3976510ab959d968425a1f8286d3ed03e39","type":"artist","uuid":"6feffca7-d6a6-4d84-afcd-150836b60e62"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d2b597d4eada61f5725c981f2bb255bbffb1a79a957e802a8a16dac7568810c. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6feffca7-d6a6-4d84-afcd-150836b60e62.json and https://artists.proofprofile.net/proofs/artist/6feffca7-d6a6-4d84-afcd-150836b60e62.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x7d2b597d4eada61f5725c981f2bb255bbffb1a79a957e802a8a16dac7568810c","name":"Franck Vigroux","registered_at":"2026-06-17T04:38:15Z","symbol":"NIM1283472","token_address":"0x8621b3976510ab959d968425a1f8286d3ed03e39","type":"artist","uuid":"6feffca7-d6a6-4d84-afcd-150836b60e62"}
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