五十竹 あく太(CV:内田 修一)
type: MusicGroup
popularity: 6
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6109cda8784d90515e52d0433cd10773630d6418f7d2b9813c25c4748982f274
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953896
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953896
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/102a987e-72af-447e-85fe-a2c9170a0973.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/102a987e-72af-447e-85fe-a2c9170a0973.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/102a987e-72af-447e-85fe-a2c9170a0973
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:05:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6109cda8784d90515e52d0433cd10773630d6418f7d2b9813c25c4748982f274","name":"五十竹 あく太(CV:内田 修一)","registered_at":"2026-06-15T19:13:55Z","symbol":"NIM0805131","token_address":"0xfbb086715e16a39904de8e02f8be7674ffa671e2","type":"artist","uuid":"102a987e-72af-447e-85fe-a2c9170a0973"}
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 0x6109cda8784d90515e52d0433cd10773630d6418f7d2b9813c25c4748982f274. Chain 2 (Bitcoin): anchored in block 953896 (2026-06-16T06:05:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/102a987e-72af-447e-85fe-a2c9170a0973.json and https://artists.proofprofile.net/proofs/artist/102a987e-72af-447e-85fe-a2c9170a0973.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T06:05:56Z
  text: {"copyright_id":"0x6109cda8784d90515e52d0433cd10773630d6418f7d2b9813c25c4748982f274","name":"五十竹 あく太(CV:内田 修一)","registered_at":"2026-06-15T19:13:55Z","symbol":"NIM0805131","token_address":"0xfbb086715e16a39904de8e02f8be7674ffa671e2","type":"artist","uuid":"102a987e-72af-447e-85fe-a2c9170a0973"}