Leano L.
type: MusicGroup
popularity: 15
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe37adc2769c300ecd5b9e431048aaae745c745875ce7344f2a1db4d69c54f3b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953803
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953803
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ec975488-87ba-47c7-83cc-6af26316bf6f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ec975488-87ba-47c7-83cc-6af26316bf6f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ec975488-87ba-47c7-83cc-6af26316bf6f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T15:41:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe37adc2769c300ecd5b9e431048aaae745c745875ce7344f2a1db4d69c54f3b5","name":"Leano L.","registered_at":"2026-06-15T05:17:03Z","symbol":"NIM0693707","token_address":"0x9e76dbc460f788842b77ae0345df7597210bb4af","type":"artist","uuid":"ec975488-87ba-47c7-83cc-6af26316bf6f"}
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 0xe37adc2769c300ecd5b9e431048aaae745c745875ce7344f2a1db4d69c54f3b5. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ec975488-87ba-47c7-83cc-6af26316bf6f.json and https://artists.proofprofile.net/proofs/artist/ec975488-87ba-47c7-83cc-6af26316bf6f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T16:39:18Z
  text: {"copyright_id":"0xe37adc2769c300ecd5b9e431048aaae745c745875ce7344f2a1db4d69c54f3b5","name":"Leano L.","registered_at":"2026-06-15T05:17:03Z","symbol":"NIM0693707","token_address":"0x9e76dbc460f788842b77ae0345df7597210bb4af","type":"artist","uuid":"ec975488-87ba-47c7-83cc-6af26316bf6f"}
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