Ludo Pin
type: MusicGroup
genre: french pop
popularity: 4
followers: 599
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c707c3da351a1c6ca39f02fc4b579c04ee2f2229bf0ec0b06cc6ade4f4acb6e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/176f0924-8ea0-4402-991e-8d219bfa4ebf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/176f0924-8ea0-4402-991e-8d219bfa4ebf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/176f0924-8ea0-4402-991e-8d219bfa4ebf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1c707c3da351a1c6ca39f02fc4b579c04ee2f2229bf0ec0b06cc6ade4f4acb6e","name":"Ludo Pin","registered_at":"2026-06-15T21:41:54Z","symbol":"NIM0840409","token_address":"0x068e3ea555005bc45cbc1cb5ca77030d4a83ceb0","type":"artist","uuid":"176f0924-8ea0-4402-991e-8d219bfa4ebf"}
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 0x1c707c3da351a1c6ca39f02fc4b579c04ee2f2229bf0ec0b06cc6ade4f4acb6e. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/176f0924-8ea0-4402-991e-8d219bfa4ebf.json and https://artists.proofprofile.net/proofs/artist/176f0924-8ea0-4402-991e-8d219bfa4ebf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x1c707c3da351a1c6ca39f02fc4b579c04ee2f2229bf0ec0b06cc6ade4f4acb6e","name":"Ludo Pin","registered_at":"2026-06-15T21:41:54Z","symbol":"NIM0840409","token_address":"0x068e3ea555005bc45cbc1cb5ca77030d4a83ceb0","type":"artist","uuid":"176f0924-8ea0-4402-991e-8d219bfa4ebf"}
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  date published: 2009-07-28
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