大空翼(CV:三瓶由布子)
type: MusicGroup
popularity: 4
followers: 49
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8db4a999b7b334ad0495921f4711677c2a4b7f69fc5643fe98b49d55803d136c
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/d861cf84-ab08-4546-bbf2-c86e9565ed91.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d861cf84-ab08-4546-bbf2-c86e9565ed91.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d861cf84-ab08-4546-bbf2-c86e9565ed91
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8db4a999b7b334ad0495921f4711677c2a4b7f69fc5643fe98b49d55803d136c","name":"大空翼(CV:三瓶由布子)","registered_at":"2026-06-21T03:35:16Z","symbol":"NIM1807192","token_address":"0x46d8c7bdbd50c3d8e3bfffbc17b471a91ca9d9c2","type":"artist","uuid":"d861cf84-ab08-4546-bbf2-c86e9565ed91"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8db4a999b7b334ad0495921f4711677c2a4b7f69fc5643fe98b49d55803d136c. 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/d861cf84-ab08-4546-bbf2-c86e9565ed91.json and https://artists.proofprofile.net/proofs/artist/d861cf84-ab08-4546-bbf2-c86e9565ed91.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x8db4a999b7b334ad0495921f4711677c2a4b7f69fc5643fe98b49d55803d136c","name":"大空翼(CV:三瓶由布子)","registered_at":"2026-06-21T03:35:16Z","symbol":"NIM1807192","token_address":"0x46d8c7bdbd50c3d8e3bfffbc17b471a91ca9d9c2","type":"artist","uuid":"d861cf84-ab08-4546-bbf2-c86e9565ed91"}