中2映画プロジェクトアイドル部
type: MusicGroup
popularity: 14
followers: 107
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcdb5c1b8b044dbbb592d3e1dbd2d274d1bcb687442f06417b4d7e571ee51be15
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953654
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953654
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/48b430de-16ce-4aea-b8d4-d694fc58d30e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/48b430de-16ce-4aea-b8d4-d694fc58d30e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/48b430de-16ce-4aea-b8d4-d694fc58d30e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:26:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcdb5c1b8b044dbbb592d3e1dbd2d274d1bcb687442f06417b4d7e571ee51be15","name":"中2映画プロジェクトアイドル部","registered_at":"2026-06-14T12:09:44Z","symbol":"NIM0448549","token_address":"0x00ff2fe260d26eef5bed2012df11a715b399b1d1","type":"artist","uuid":"48b430de-16ce-4aea-b8d4-d694fc58d30e"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdb5c1b8b044dbbb592d3e1dbd2d274d1bcb687442f06417b4d7e571ee51be15. Chain 2 (Bitcoin): anchored in block 953654 (2026-06-14T16:26:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/48b430de-16ce-4aea-b8d4-d694fc58d30e.json and https://artists.proofprofile.net/proofs/artist/48b430de-16ce-4aea-b8d4-d694fc58d30e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:26:51Z
  text: {"copyright_id":"0xcdb5c1b8b044dbbb592d3e1dbd2d274d1bcb687442f06417b4d7e571ee51be15","name":"中2映画プロジェクトアイドル部","registered_at":"2026-06-14T12:09:44Z","symbol":"NIM0448549","token_address":"0x00ff2fe260d26eef5bed2012df11a715b399b1d1","type":"artist","uuid":"48b430de-16ce-4aea-b8d4-d694fc58d30e"}
album: 隣のクラスのあいつ
  type: MusicAlbum
  date published: 2023-06-28