Jon C
type: MusicGroup
genre: cuarteto
popularity: 3
followers: 110
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x587c30e3345f2d3e2f3dc027b7f0b703c9bc5521afc90da5f64c2e9a80c21b85
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954013
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954013
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/352ef26f-ee9b-4ddb-8a84-060d9a85df1a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/352ef26f-ee9b-4ddb-8a84-060d9a85df1a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/352ef26f-ee9b-4ddb-8a84-060d9a85df1a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T22:27:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x587c30e3345f2d3e2f3dc027b7f0b703c9bc5521afc90da5f64c2e9a80c21b85","name":"Jon C","registered_at":"2026-06-16T08:02:58Z","symbol":"NIM0988727","token_address":"0xd8603b2ca59cf1283e0003af57a96f8a0412d850","type":"artist","uuid":"352ef26f-ee9b-4ddb-8a84-060d9a85df1a"}
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 0x587c30e3345f2d3e2f3dc027b7f0b703c9bc5521afc90da5f64c2e9a80c21b85. 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/352ef26f-ee9b-4ddb-8a84-060d9a85df1a.json and https://artists.proofprofile.net/proofs/artist/352ef26f-ee9b-4ddb-8a84-060d9a85df1a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x587c30e3345f2d3e2f3dc027b7f0b703c9bc5521afc90da5f64c2e9a80c21b85","name":"Jon C","registered_at":"2026-06-16T08:02:58Z","symbol":"NIM0988727","token_address":"0xd8603b2ca59cf1283e0003af57a96f8a0412d850","type":"artist","uuid":"352ef26f-ee9b-4ddb-8a84-060d9a85df1a"}
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  type: MusicAlbum
  date published: 2021-01-04
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  date published: 2021-01-23
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  type: MusicAlbum
  date published: 2023-04-14
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  type: MusicAlbum
  date published: 2023-05-26
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