サークルクラッシャー
type: MusicGroup
genre: j-rock
popularity: 9
followers: 666
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1320e1fb604c0ad4a783208a51c74b7b5f4e70981da9ba19adb91028720fed1d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954025
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954025
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38eb9092-faee-4b0e-9de5-fae97711c55a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38eb9092-faee-4b0e-9de5-fae97711c55a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/38eb9092-faee-4b0e-9de5-fae97711c55a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T00:32:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1320e1fb604c0ad4a783208a51c74b7b5f4e70981da9ba19adb91028720fed1d","name":"サークルクラッシャー","registered_at":"2026-06-16T09:23:12Z","symbol":"NIM1007864","token_address":"0x3aa88c4f38d55bcb19a11221582ca175f1577994","type":"artist","uuid":"38eb9092-faee-4b0e-9de5-fae97711c55a"}
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 0x1320e1fb604c0ad4a783208a51c74b7b5f4e70981da9ba19adb91028720fed1d. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38eb9092-faee-4b0e-9de5-fae97711c55a.json and https://artists.proofprofile.net/proofs/artist/38eb9092-faee-4b0e-9de5-fae97711c55a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x1320e1fb604c0ad4a783208a51c74b7b5f4e70981da9ba19adb91028720fed1d","name":"サークルクラッシャー","registered_at":"2026-06-16T09:23:12Z","symbol":"NIM1007864","token_address":"0x3aa88c4f38d55bcb19a11221582ca175f1577994","type":"artist","uuid":"38eb9092-faee-4b0e-9de5-fae97711c55a"}
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