ゆえない
type: MusicGroup
genre: j-pop
popularity: 2
followers: 75
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc15ff3af1863902897f7ca2736cc8b2fdf903f2363c79cc5104ea28484218585
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954097
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954097
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7b0d6952-640c-4a46-866c-fd453f4b959d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7b0d6952-640c-4a46-866c-fd453f4b959d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7b0d6952-640c-4a46-866c-fd453f4b959d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T13:13:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc15ff3af1863902897f7ca2736cc8b2fdf903f2363c79cc5104ea28484218585","name":"ゆえない","registered_at":"2026-06-17T08:33:12Z","symbol":"NIM1339481","token_address":"0x8b6019ed240c3489e8a526e0a044a059a2068068","type":"artist","uuid":"7b0d6952-640c-4a46-866c-fd453f4b959d"}
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 0xc15ff3af1863902897f7ca2736cc8b2fdf903f2363c79cc5104ea28484218585. Chain 2 (Bitcoin): anchored in block 954115 (2026-06-17T15:44:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7b0d6952-640c-4a46-866c-fd453f4b959d.json and https://artists.proofprofile.net/proofs/artist/7b0d6952-640c-4a46-866c-fd453f4b959d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T15:44:10Z
  text: {"copyright_id":"0xc15ff3af1863902897f7ca2736cc8b2fdf903f2363c79cc5104ea28484218585","name":"ゆえない","registered_at":"2026-06-17T08:33:12Z","symbol":"NIM1339481","token_address":"0x8b6019ed240c3489e8a526e0a044a059a2068068","type":"artist","uuid":"7b0d6952-640c-4a46-866c-fd453f4b959d"}
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