Dr Ono Ishido
type: MusicGroup
genre: minimalism
popularity: 10
followers: 59
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf435352132bdd6e6013a8dedf5daeefe1680ea7747f0c4e207d7dc387a953f41
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953950
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953950
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2516307b-3d32-48b7-b1e2-f5b15437958f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2516307b-3d32-48b7-b1e2-f5b15437958f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2516307b-3d32-48b7-b1e2-f5b15437958f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:35:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf435352132bdd6e6013a8dedf5daeefe1680ea7747f0c4e207d7dc387a953f41","name":"Dr Ono Ishido","registered_at":"2026-06-16T02:22:22Z","symbol":"NIM0907372","token_address":"0x370981fa856932b293d8d7967c5a292b5bbad35d","type":"artist","uuid":"2516307b-3d32-48b7-b1e2-f5b15437958f"}
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 0xf435352132bdd6e6013a8dedf5daeefe1680ea7747f0c4e207d7dc387a953f41. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2516307b-3d32-48b7-b1e2-f5b15437958f.json and https://artists.proofprofile.net/proofs/artist/2516307b-3d32-48b7-b1e2-f5b15437958f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0xf435352132bdd6e6013a8dedf5daeefe1680ea7747f0c4e207d7dc387a953f41","name":"Dr Ono Ishido","registered_at":"2026-06-16T02:22:22Z","symbol":"NIM0907372","token_address":"0x370981fa856932b293d8d7967c5a292b5bbad35d","type":"artist","uuid":"2516307b-3d32-48b7-b1e2-f5b15437958f"}
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