亀甲貞宗(CV:山中真尋)
type: MusicGroup
popularity: 10
followers: 283
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3400324d8957f37d72065678c92b536b1479f8041d77e5eaaa468003ff0b78bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/651c98f0-2bd9-4640-a9b8-ebea346525a5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/651c98f0-2bd9-4640-a9b8-ebea346525a5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/651c98f0-2bd9-4640-a9b8-ebea346525a5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3400324d8957f37d72065678c92b536b1479f8041d77e5eaaa468003ff0b78bc","name":"亀甲貞宗(CV:山中真尋)","registered_at":"2026-06-17T00:52:38Z","symbol":"NIM1229603","token_address":"0x494e5f91178191cb73cba4403b9252d196d27745","type":"artist","uuid":"651c98f0-2bd9-4640-a9b8-ebea346525a5"}
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 0x3400324d8957f37d72065678c92b536b1479f8041d77e5eaaa468003ff0b78bc. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/651c98f0-2bd9-4640-a9b8-ebea346525a5.json and https://artists.proofprofile.net/proofs/artist/651c98f0-2bd9-4640-a9b8-ebea346525a5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x3400324d8957f37d72065678c92b536b1479f8041d77e5eaaa468003ff0b78bc","name":"亀甲貞宗(CV:山中真尋)","registered_at":"2026-06-17T00:52:38Z","symbol":"NIM1229603","token_address":"0x494e5f91178191cb73cba4403b9252d196d27745","type":"artist","uuid":"651c98f0-2bd9-4640-a9b8-ebea346525a5"}