Carlos Martínez
type: MusicGroup
genre: folklore argentino
popularity: 3
followers: 49
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x661f48ecc94e0918ea13e3e10b9d01a33c091ddee7a8a1de9c9af9782a7df8af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954615
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954615
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c739da9f-27f1-4304-a342-66d1f0487b07.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c739da9f-27f1-4304-a342-66d1f0487b07.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c739da9f-27f1-4304-a342-66d1f0487b07
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T22:44:50Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x661f48ecc94e0918ea13e3e10b9d01a33c091ddee7a8a1de9c9af9782a7df8af","name":"Carlos Martínez","registered_at":"2026-06-20T21:24:54Z","symbol":"NIM1718771","token_address":"0xff883765ddfb9230cf80c47de3219f851ef449e0","type":"artist","uuid":"c739da9f-27f1-4304-a342-66d1f0487b07"}
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x661f48ecc94e0918ea13e3e10b9d01a33c091ddee7a8a1de9c9af9782a7df8af. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c739da9f-27f1-4304-a342-66d1f0487b07.json and https://artists.proofprofile.net/proofs/artist/c739da9f-27f1-4304-a342-66d1f0487b07.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T22:44:50Z
  text: {"copyright_id":"0x661f48ecc94e0918ea13e3e10b9d01a33c091ddee7a8a1de9c9af9782a7df8af","name":"Carlos Martínez","registered_at":"2026-06-20T21:24:54Z","symbol":"NIM1718771","token_address":"0xff883765ddfb9230cf80c47de3219f851ef449e0","type":"artist","uuid":"c739da9f-27f1-4304-a342-66d1f0487b07"}
album: Canta a María Elena Walsh,Con El Alma Y Otros Instrumentos
  type: MusicAlbum
  date published: 2006-01-02