Canta com a Nice
type: MusicGroup
popularity: 7
followers: 239
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf64e52b5565a1a5e34de62ac79245b5334decac40d60277454616d597c10349c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953847
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953847
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0174f53a-c2d5-4a1f-a5c5-2ba9eb9eefa1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0174f53a-c2d5-4a1f-a5c5-2ba9eb9eefa1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0174f53a-c2d5-4a1f-a5c5-2ba9eb9eefa1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T22:51:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf64e52b5565a1a5e34de62ac79245b5334decac40d60277454616d597c10349c","name":"Canta com a Nice","registered_at":"2026-06-15T14:02:01Z","symbol":"NIM0730681","token_address":"0xd242024602b7127bf71e1450039dada5c3307be5","type":"artist","uuid":"0174f53a-c2d5-4a1f-a5c5-2ba9eb9eefa1"}
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 0xf64e52b5565a1a5e34de62ac79245b5334decac40d60277454616d597c10349c. Chain 2 (Bitcoin): anchored in block 953847 (2026-06-15T22:51:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0174f53a-c2d5-4a1f-a5c5-2ba9eb9eefa1.json and https://artists.proofprofile.net/proofs/artist/0174f53a-c2d5-4a1f-a5c5-2ba9eb9eefa1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:51:00Z
  text: {"copyright_id":"0xf64e52b5565a1a5e34de62ac79245b5334decac40d60277454616d597c10349c","name":"Canta com a Nice","registered_at":"2026-06-15T14:02:01Z","symbol":"NIM0730681","token_address":"0xd242024602b7127bf71e1450039dada5c3307be5","type":"artist","uuid":"0174f53a-c2d5-4a1f-a5c5-2ba9eb9eefa1"}
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