二井原実(LOUDNESS)
type: MusicGroup
genre: j-rock
popularity: 27
followers: 64
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13a32cd92e1d56a1ae01aab05848f92ff620bee267ccd6e4d76aa9548054c047
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc596916-24f5-48ad-8fd7-05d56816d720.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc596916-24f5-48ad-8fd7-05d56816d720.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dc596916-24f5-48ad-8fd7-05d56816d720
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x13a32cd92e1d56a1ae01aab05848f92ff620bee267ccd6e4d76aa9548054c047","name":"二井原実(LOUDNESS)","registered_at":"2026-06-12T11:31:37Z","symbol":"NIM0284733","token_address":"0x692493b27b1f65f3ab320cfa55d1770ac654c937","type":"artist","uuid":"dc596916-24f5-48ad-8fd7-05d56816d720"}
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 0x13a32cd92e1d56a1ae01aab05848f92ff620bee267ccd6e4d76aa9548054c047. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc596916-24f5-48ad-8fd7-05d56816d720.json and https://artists.proofprofile.net/proofs/artist/dc596916-24f5-48ad-8fd7-05d56816d720.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x13a32cd92e1d56a1ae01aab05848f92ff620bee267ccd6e4d76aa9548054c047","name":"二井原実(LOUDNESS)","registered_at":"2026-06-12T11:31:37Z","symbol":"NIM0284733","token_address":"0x692493b27b1f65f3ab320cfa55d1770ac654c937","type":"artist","uuid":"dc596916-24f5-48ad-8fd7-05d56816d720"}