Antonio Dantas
type: MusicGroup
genre: samba
popularity: 3
followers: 184
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca4b9d52a952378ff1d39c8c86150d2c35ca6340b7aa0d3bbf88fe433f04d4d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954063
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954063
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/47415903-c850-4634-96f9-7e1b538f4af4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/47415903-c850-4634-96f9-7e1b538f4af4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/47415903-c850-4634-96f9-7e1b538f4af4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:49:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca4b9d52a952378ff1d39c8c86150d2c35ca6340b7aa0d3bbf88fe433f04d4d9","name":"Antonio Dantas","registered_at":"2026-06-16T14:43:44Z","symbol":"NIM1084340","token_address":"0xaae8637299ee3bf38b4bd6c1f27b4f0437b406c3","type":"artist","uuid":"47415903-c850-4634-96f9-7e1b538f4af4"}
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 0xca4b9d52a952378ff1d39c8c86150d2c35ca6340b7aa0d3bbf88fe433f04d4d9. 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/47415903-c850-4634-96f9-7e1b538f4af4.json and https://artists.proofprofile.net/proofs/artist/47415903-c850-4634-96f9-7e1b538f4af4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xca4b9d52a952378ff1d39c8c86150d2c35ca6340b7aa0d3bbf88fe433f04d4d9","name":"Antonio Dantas","registered_at":"2026-06-16T14:43:44Z","symbol":"NIM1084340","token_address":"0xaae8637299ee3bf38b4bd6c1f27b4f0437b406c3","type":"artist","uuid":"47415903-c850-4634-96f9-7e1b538f4af4"}
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