はらら
type: MusicGroup
popularity: 3
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2d82f39673be265c43d50a743deb6197bd78fb83f615195dc77a13c7312e2cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b996c09f-8d33-4c4c-a3f4-397d692504b8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b996c09f-8d33-4c4c-a3f4-397d692504b8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b996c09f-8d33-4c4c-a3f4-397d692504b8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb2d82f39673be265c43d50a743deb6197bd78fb83f615195dc77a13c7312e2cf","name":"はらら","registered_at":"2026-06-20T16:25:44Z","symbol":"NIM1652678","token_address":"0x33d4550d544144f95fb05309ff58786af2835ad5","type":"artist","uuid":"b996c09f-8d33-4c4c-a3f4-397d692504b8"}
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 0xb2d82f39673be265c43d50a743deb6197bd78fb83f615195dc77a13c7312e2cf. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b996c09f-8d33-4c4c-a3f4-397d692504b8.json and https://artists.proofprofile.net/proofs/artist/b996c09f-8d33-4c4c-a3f4-397d692504b8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
  text: {"copyright_id":"0xb2d82f39673be265c43d50a743deb6197bd78fb83f615195dc77a13c7312e2cf","name":"はらら","registered_at":"2026-06-20T16:25:44Z","symbol":"NIM1652678","token_address":"0x33d4550d544144f95fb05309ff58786af2835ad5","type":"artist","uuid":"b996c09f-8d33-4c4c-a3f4-397d692504b8"}
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