ゆるめのピアニスト
type: MusicGroup
popularity: 12
followers: 262
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1309372a81e8cc2cf5cc9dc692e7010bcc0705017ae5fd84c83ba1292897eea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953758
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953758
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b1c6a087-9092-4a64-8628-8c53f75e5360.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b1c6a087-9092-4a64-8628-8c53f75e5360.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b1c6a087-9092-4a64-8628-8c53f75e5360
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T07:48:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb1309372a81e8cc2cf5cc9dc692e7010bcc0705017ae5fd84c83ba1292897eea","name":"ゆるめのピアニスト","registered_at":"2026-06-14T23:18:12Z","symbol":"NIM0608001","token_address":"0x7af2a4a1d89858be66acb6c5066dc430b5baab4a","type":"artist","uuid":"b1c6a087-9092-4a64-8628-8c53f75e5360"}
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 0xb1309372a81e8cc2cf5cc9dc692e7010bcc0705017ae5fd84c83ba1292897eea. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b1c6a087-9092-4a64-8628-8c53f75e5360.json and https://artists.proofprofile.net/proofs/artist/b1c6a087-9092-4a64-8628-8c53f75e5360.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T07:48:25Z
  text: {"copyright_id":"0xb1309372a81e8cc2cf5cc9dc692e7010bcc0705017ae5fd84c83ba1292897eea","name":"ゆるめのピアニスト","registered_at":"2026-06-14T23:18:12Z","symbol":"NIM0608001","token_address":"0x7af2a4a1d89858be66acb6c5066dc430b5baab4a","type":"artist","uuid":"b1c6a087-9092-4a64-8628-8c53f75e5360"}
album: ぼくらのバレエレッスン ～はじめまして～
  type: MusicAlbum
  date published: 2021-02-09
album: ぼくらのバレエレッスン ～YELL～
  type: MusicAlbum
  date published: 2021-05-27
album: ぼくらのバレエレッスン ～ゆるめのミュージカル～
  type: MusicAlbum
  date published: 2021-10-31
album: ぼくらのバレエレッスン ～あるがまま～
  type: MusicAlbum
  date published: 2022-01-26
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  type: MusicAlbum
  date published: 2022-03-05
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  type: MusicAlbum
  date published: 2022-08-22
album: ぼくらのバレエレッスン 〜うきうき〜
  type: MusicAlbum
  date published: 2023-03-01
album: ぼくらのバレエレッスン 〜ゆるめのミュージカル２〜
  type: MusicAlbum
  date published: 2023-07-12
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  type: MusicAlbum
  date published: 2023-11-17
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  type: MusicAlbum
  date published: 2024-05-18
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  type: MusicAlbum
  date published: 2024-09-22
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  type: MusicAlbum
  date published: 2024-10-25
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  type: MusicAlbum
  date published: 2025-02-08
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  type: MusicAlbum
  date published: 2025-05-16
album: Energy
  type: MusicAlbum
  date published: 2025-08-18
album: ぼくらのバレエレッスン 〜Energy〜
  type: MusicAlbum
  date published: 2025-08-20