El Observador '73
type: MusicGroup
popularity: 2
followers: 134
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc7524067c1a2d7c989cd1a301d9a3d243a27ac44efe5059102b3e2089b1d1f2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953954
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953954
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2523002c-c68c-4b39-b64b-1c17dc1332bb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2523002c-c68c-4b39-b64b-1c17dc1332bb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2523002c-c68c-4b39-b64b-1c17dc1332bb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:18:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdc7524067c1a2d7c989cd1a301d9a3d243a27ac44efe5059102b3e2089b1d1f2","name":"El Observador '73","registered_at":"2026-06-16T02:26:39Z","symbol":"NIM0908393","token_address":"0xdc19fa32bb70c651823c2025021c7e22ae7bf8aa","type":"artist","uuid":"2523002c-c68c-4b39-b64b-1c17dc1332bb"}
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 0xdc7524067c1a2d7c989cd1a301d9a3d243a27ac44efe5059102b3e2089b1d1f2. Chain 2 (Bitcoin): anchored in block 953954 (2026-06-16T14:18:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2523002c-c68c-4b39-b64b-1c17dc1332bb.json and https://artists.proofprofile.net/proofs/artist/2523002c-c68c-4b39-b64b-1c17dc1332bb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T14:18:37Z
  text: {"copyright_id":"0xdc7524067c1a2d7c989cd1a301d9a3d243a27ac44efe5059102b3e2089b1d1f2","name":"El Observador '73","registered_at":"2026-06-16T02:26:39Z","symbol":"NIM0908393","token_address":"0xdc19fa32bb70c651823c2025021c7e22ae7bf8aa","type":"artist","uuid":"2523002c-c68c-4b39-b64b-1c17dc1332bb"}
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