大和田仁美
type: MusicGroup
genre: anime
popularity: 6
followers: 14
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeff13c55a28a43e67f3687b4f9b5e1dabfa07907eec5ec97b298555919433e27
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954580
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954580
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b5f28bb0-fc74-4bcd-bb55-6ad61e39d4b9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b5f28bb0-fc74-4bcd-bb55-6ad61e39d4b9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b5f28bb0-fc74-4bcd-bb55-6ad61e39d4b9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T17:48:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeff13c55a28a43e67f3687b4f9b5e1dabfa07907eec5ec97b298555919433e27","name":"大和田仁美","registered_at":"2026-06-20T14:56:08Z","symbol":"NIM1635816","token_address":"0x8253b75c17da53de605bed8a100ea139ed2dfacb","type":"artist","uuid":"b5f28bb0-fc74-4bcd-bb55-6ad61e39d4b9"}
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 0xeff13c55a28a43e67f3687b4f9b5e1dabfa07907eec5ec97b298555919433e27. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5f28bb0-fc74-4bcd-bb55-6ad61e39d4b9.json and https://artists.proofprofile.net/proofs/artist/b5f28bb0-fc74-4bcd-bb55-6ad61e39d4b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T17:48:00Z
  text: {"copyright_id":"0xeff13c55a28a43e67f3687b4f9b5e1dabfa07907eec5ec97b298555919433e27","name":"大和田仁美","registered_at":"2026-06-20T14:56:08Z","symbol":"NIM1635816","token_address":"0x8253b75c17da53de605bed8a100ea139ed2dfacb","type":"artist","uuid":"b5f28bb0-fc74-4bcd-bb55-6ad61e39d4b9"}