ゆしん
type: MusicGroup
genre: japanese indie
popularity: 3
followers: 893
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb992fdae2dd4909ea3e847a2b79014753f4d455924626d09c53932a89aeec1af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fcab6e7c-1ca0-40fd-b912-5669072b5a19.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fcab6e7c-1ca0-40fd-b912-5669072b5a19.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fcab6e7c-1ca0-40fd-b912-5669072b5a19
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb992fdae2dd4909ea3e847a2b79014753f4d455924626d09c53932a89aeec1af","name":"ゆしん","registered_at":"2026-06-21T17:51:51Z","symbol":"NIM1991428","token_address":"0x2936625ddfe934a7826d7c10c2db6754babd16ff","type":"artist","uuid":"fcab6e7c-1ca0-40fd-b912-5669072b5a19"}
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 0xb992fdae2dd4909ea3e847a2b79014753f4d455924626d09c53932a89aeec1af. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fcab6e7c-1ca0-40fd-b912-5669072b5a19.json and https://artists.proofprofile.net/proofs/artist/fcab6e7c-1ca0-40fd-b912-5669072b5a19.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xb992fdae2dd4909ea3e847a2b79014753f4d455924626d09c53932a89aeec1af","name":"ゆしん","registered_at":"2026-06-21T17:51:51Z","symbol":"NIM1991428","token_address":"0x2936625ddfe934a7826d7c10c2db6754babd16ff","type":"artist","uuid":"fcab6e7c-1ca0-40fd-b912-5669072b5a19"}
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