César Vidal
type: MusicGroup
popularity: 6
followers: 573
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2146ec677a7a0b4dae8993f69bca739ab38461c40d3b205d441b07caa05d71f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954124
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7bef087c-03aa-4f60-8c1c-970138edd168.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7bef087c-03aa-4f60-8c1c-970138edd168.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7bef087c-03aa-4f60-8c1c-970138edd168
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T18:22:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2146ec677a7a0b4dae8993f69bca739ab38461c40d3b205d441b07caa05d71f1","name":"César Vidal","registered_at":"2026-06-17T08:41:38Z","symbol":"NIM1341487","token_address":"0x734d3138c7247534903aee02369f0d590ce94d3b","type":"artist","uuid":"7bef087c-03aa-4f60-8c1c-970138edd168"}
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 0x2146ec677a7a0b4dae8993f69bca739ab38461c40d3b205d441b07caa05d71f1. Chain 2 (Bitcoin): anchored in block 954124 (2026-06-17T18:22:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7bef087c-03aa-4f60-8c1c-970138edd168.json and https://artists.proofprofile.net/proofs/artist/7bef087c-03aa-4f60-8c1c-970138edd168.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T18:22:18Z
  text: {"copyright_id":"0x2146ec677a7a0b4dae8993f69bca739ab38461c40d3b205d441b07caa05d71f1","name":"César Vidal","registered_at":"2026-06-17T08:41:38Z","symbol":"NIM1341487","token_address":"0x734d3138c7247534903aee02369f0d590ce94d3b","type":"artist","uuid":"7bef087c-03aa-4f60-8c1c-970138edd168"}
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  type: MusicAlbum
  date published: 2021-01-28
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  type: MusicAlbum
  date published: 2021-01-28
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  type: MusicAlbum
  date published: 2021-01-28
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  type: MusicAlbum
  date published: 2021-01-28