Martina Miranda
type: MusicGroup
genre: singer-songwriter
popularity: 2
followers: 846
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x603283ff9c3e493bd747169f4dfae139b32b0a8848f30f2bb9156ce11ccc77e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953879
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953879
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/09062818-3236-4c79-9aa0-69863ff87d79.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/09062818-3236-4c79-9aa0-69863ff87d79.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/09062818-3236-4c79-9aa0-69863ff87d79
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:57:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x603283ff9c3e493bd747169f4dfae139b32b0a8848f30f2bb9156ce11ccc77e6","name":"Martina Miranda","registered_at":"2026-06-15T16:53:31Z","symbol":"NIM0771626","token_address":"0x25c4b6cf009e05e02982cddd8f08c4524ed03c52","type":"artist","uuid":"09062818-3236-4c79-9aa0-69863ff87d79"}
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 0x603283ff9c3e493bd747169f4dfae139b32b0a8848f30f2bb9156ce11ccc77e6. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/09062818-3236-4c79-9aa0-69863ff87d79.json and https://artists.proofprofile.net/proofs/artist/09062818-3236-4c79-9aa0-69863ff87d79.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x603283ff9c3e493bd747169f4dfae139b32b0a8848f30f2bb9156ce11ccc77e6","name":"Martina Miranda","registered_at":"2026-06-15T16:53:31Z","symbol":"NIM0771626","token_address":"0x25c4b6cf009e05e02982cddd8f08c4524ed03c52","type":"artist","uuid":"09062818-3236-4c79-9aa0-69863ff87d79"}
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