ホシタクト
type: MusicGroup
popularity: 15
followers: 297
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x691a93d7c5c3480bcfdd45fc49c21aa054f8676a5c7449944fa6b330d5cc0e99
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953630
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953630
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2fdc0943-6deb-48e9-83fd-3d9782804a38.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2fdc0943-6deb-48e9-83fd-3d9782804a38.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2fdc0943-6deb-48e9-83fd-3d9782804a38
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T12:06:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x691a93d7c5c3480bcfdd45fc49c21aa054f8676a5c7449944fa6b330d5cc0e99","name":"ホシタクト","registered_at":"2026-06-14T09:30:04Z","symbol":"NIM0410457","token_address":"0x81d1bc0b78160daff65bafe825507138fef6a41c","type":"artist","uuid":"2fdc0943-6deb-48e9-83fd-3d9782804a38"}
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 0x691a93d7c5c3480bcfdd45fc49c21aa054f8676a5c7449944fa6b330d5cc0e99. Chain 2 (Bitcoin): anchored in block 953630 (2026-06-14T12:06:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2fdc0943-6deb-48e9-83fd-3d9782804a38.json and https://artists.proofprofile.net/proofs/artist/2fdc0943-6deb-48e9-83fd-3d9782804a38.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T12:06:27Z
  text: {"copyright_id":"0x691a93d7c5c3480bcfdd45fc49c21aa054f8676a5c7449944fa6b330d5cc0e99","name":"ホシタクト","registered_at":"2026-06-14T09:30:04Z","symbol":"NIM0410457","token_address":"0x81d1bc0b78160daff65bafe825507138fef6a41c","type":"artist","uuid":"2fdc0943-6deb-48e9-83fd-3d9782804a38"}
album: 辞生観
  type: MusicAlbum
  date published: 2024-12-06
album: 呻吟
  type: MusicAlbum
  date published: 2025-03-28