宮苑巴(CV:広瀬裕也)
type: MusicGroup
popularity: 6
followers: 33
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1fa7ebc26620199064ade54c3001e65574e6a2ea42346d5f890c96803a78442
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f987f88-64e0-4ad4-a468-6b4cb938bb58.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f987f88-64e0-4ad4-a468-6b4cb938bb58.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9f987f88-64e0-4ad4-a468-6b4cb938bb58
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb1fa7ebc26620199064ade54c3001e65574e6a2ea42346d5f890c96803a78442","name":"宮苑巴(CV:広瀬裕也)","registered_at":"2026-06-20T05:13:01Z","symbol":"NIM1522495","token_address":"0x8284bba1b1dbbc93a1fbb912a49db98862da0a7f","type":"artist","uuid":"9f987f88-64e0-4ad4-a468-6b4cb938bb58"}
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 0xb1fa7ebc26620199064ade54c3001e65574e6a2ea42346d5f890c96803a78442. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9f987f88-64e0-4ad4-a468-6b4cb938bb58.json and https://artists.proofprofile.net/proofs/artist/9f987f88-64e0-4ad4-a468-6b4cb938bb58.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0xb1fa7ebc26620199064ade54c3001e65574e6a2ea42346d5f890c96803a78442","name":"宮苑巴(CV:広瀬裕也)","registered_at":"2026-06-20T05:13:01Z","symbol":"NIM1522495","token_address":"0x8284bba1b1dbbc93a1fbb912a49db98862da0a7f","type":"artist","uuid":"9f987f88-64e0-4ad4-a468-6b4cb938bb58"}