Holeg Spies
type: MusicGroup
description: thumb|Image of Holeg Spies Holeg Spies is a French composer and music producer known for his work in film scores, electronic music, and in multiple musical collaborations. His music typically draws on
popularity: 4
followers: 554
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51941c237b81861f81af7c132d7c029ab71827e55499a1161afa5d7b841b3929
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954014
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954014
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/309e7fdb-b5b5-493b-b732-02519e4757ba.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/309e7fdb-b5b5-493b-b732-02519e4757ba.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/309e7fdb-b5b5-493b-b732-02519e4757ba
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T22:46:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x51941c237b81861f81af7c132d7c029ab71827e55499a1161afa5d7b841b3929","name":"Holeg Spies","registered_at":"2026-06-16T06:33:48Z","symbol":"NIM0967431","token_address":"0xc0b1ecc6e6ecf63daf1f7c47b7a768a60dcc5eb4","type":"artist","uuid":"309e7fdb-b5b5-493b-b732-02519e4757ba"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51941c237b81861f81af7c132d7c029ab71827e55499a1161afa5d7b841b3929. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/309e7fdb-b5b5-493b-b732-02519e4757ba.json and https://artists.proofprofile.net/proofs/artist/309e7fdb-b5b5-493b-b732-02519e4757ba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x51941c237b81861f81af7c132d7c029ab71827e55499a1161afa5d7b841b3929","name":"Holeg Spies","registered_at":"2026-06-16T06:33:48Z","symbol":"NIM0967431","token_address":"0xc0b1ecc6e6ecf63daf1f7c47b7a768a60dcc5eb4","type":"artist","uuid":"309e7fdb-b5b5-493b-b732-02519e4757ba"}
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