MASSIL IA
type: MusicGroup
popularity: 7
followers: 17
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15e3e9f00ee371e6777165480d95a68e0ffaed2e822843dd703391a874e9ca09
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92121e23-bb29-40a7-8af3-8b8d36950b54.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92121e23-bb29-40a7-8af3-8b8d36950b54.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/92121e23-bb29-40a7-8af3-8b8d36950b54
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x15e3e9f00ee371e6777165480d95a68e0ffaed2e822843dd703391a874e9ca09","name":"MASSIL IA","registered_at":"2026-06-17T16:23:58Z","symbol":"NIM1451720","token_address":"0x1e65e45e19b759edc6b19b01e60b0074438aa509","type":"artist","uuid":"92121e23-bb29-40a7-8af3-8b8d36950b54"}
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 0x15e3e9f00ee371e6777165480d95a68e0ffaed2e822843dd703391a874e9ca09. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/92121e23-bb29-40a7-8af3-8b8d36950b54.json and https://artists.proofprofile.net/proofs/artist/92121e23-bb29-40a7-8af3-8b8d36950b54.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x15e3e9f00ee371e6777165480d95a68e0ffaed2e822843dd703391a874e9ca09","name":"MASSIL IA","registered_at":"2026-06-17T16:23:58Z","symbol":"NIM1451720","token_address":"0x1e65e45e19b759edc6b19b01e60b0074438aa509","type":"artist","uuid":"92121e23-bb29-40a7-8af3-8b8d36950b54"}
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