Dai Yassan
type: MusicGroup
genre: jersey club
popularity: 7
followers: 275
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa31dead1bc62a604f0b9bf7997f8bee98a316a1ba058f5f4e681514e35402664
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bd054d5a-3a40-4dec-88f9-5761806555cc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bd054d5a-3a40-4dec-88f9-5761806555cc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bd054d5a-3a40-4dec-88f9-5761806555cc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa31dead1bc62a604f0b9bf7997f8bee98a316a1ba058f5f4e681514e35402664","name":"Dai Yassan","registered_at":"2026-06-20T17:32:33Z","symbol":"NIM1668155","token_address":"0xe86fc5e02f3a5e28325d6643d2b229795f025c04","type":"artist","uuid":"bd054d5a-3a40-4dec-88f9-5761806555cc"}
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 0xa31dead1bc62a604f0b9bf7997f8bee98a316a1ba058f5f4e681514e35402664. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bd054d5a-3a40-4dec-88f9-5761806555cc.json and https://artists.proofprofile.net/proofs/artist/bd054d5a-3a40-4dec-88f9-5761806555cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xa31dead1bc62a604f0b9bf7997f8bee98a316a1ba058f5f4e681514e35402664","name":"Dai Yassan","registered_at":"2026-06-20T17:32:33Z","symbol":"NIM1668155","token_address":"0xe86fc5e02f3a5e28325d6643d2b229795f025c04","type":"artist","uuid":"bd054d5a-3a40-4dec-88f9-5761806555cc"}
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