山伏国広(CV:櫻井トオル)
type: MusicGroup
popularity: 10
followers: 27
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb39ca99331c6a402fdbdd6bad7982a538f19ac2696f8e1f80091871704496651
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953915
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953915
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/19991a4e-cc56-42ce-abd6-a677e40ffbb3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/19991a4e-cc56-42ce-abd6-a677e40ffbb3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/19991a4e-cc56-42ce-abd6-a677e40ffbb3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T08:36:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb39ca99331c6a402fdbdd6bad7982a538f19ac2696f8e1f80091871704496651","name":"山伏国広(CV:櫻井トオル)","registered_at":"2026-06-15T22:21:45Z","symbol":"NIM0849902","token_address":"0x8b16d43c9d00f1aa48ed747f2971c863909f8fb2","type":"artist","uuid":"19991a4e-cc56-42ce-abd6-a677e40ffbb3"}
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 0xb39ca99331c6a402fdbdd6bad7982a538f19ac2696f8e1f80091871704496651. 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/19991a4e-cc56-42ce-abd6-a677e40ffbb3.json and https://artists.proofprofile.net/proofs/artist/19991a4e-cc56-42ce-abd6-a677e40ffbb3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0xb39ca99331c6a402fdbdd6bad7982a538f19ac2696f8e1f80091871704496651","name":"山伏国広(CV:櫻井トオル)","registered_at":"2026-06-15T22:21:45Z","symbol":"NIM0849902","token_address":"0x8b16d43c9d00f1aa48ed747f2971c863909f8fb2","type":"artist","uuid":"19991a4e-cc56-42ce-abd6-a677e40ffbb3"}