夜の読書時間
type: MusicGroup
popularity: 8
followers: 224
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6cf12915e0009e0aa147410651153e60e7d7ce52d5a040e49778289a4811323
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1600b934-080d-448d-92cd-af2582a49bb5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1600b934-080d-448d-92cd-af2582a49bb5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1600b934-080d-448d-92cd-af2582a49bb5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa6cf12915e0009e0aa147410651153e60e7d7ce52d5a040e49778289a4811323","name":"夜の読書時間","registered_at":"2026-06-15T21:16:25Z","symbol":"NIM0834331","token_address":"0xd7eec4b549c53b023c1835fceebb537dd3b615ba","type":"artist","uuid":"1600b934-080d-448d-92cd-af2582a49bb5"}
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 0xa6cf12915e0009e0aa147410651153e60e7d7ce52d5a040e49778289a4811323. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1600b934-080d-448d-92cd-af2582a49bb5.json and https://artists.proofprofile.net/proofs/artist/1600b934-080d-448d-92cd-af2582a49bb5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xa6cf12915e0009e0aa147410651153e60e7d7ce52d5a040e49778289a4811323","name":"夜の読書時間","registered_at":"2026-06-15T21:16:25Z","symbol":"NIM0834331","token_address":"0xd7eec4b549c53b023c1835fceebb537dd3b615ba","type":"artist","uuid":"1600b934-080d-448d-92cd-af2582a49bb5"}
album: 喫茶店で読書時間: 読書に集中できるピアノ音楽, 夜の読書時間
  type: MusicAlbum
  date published: 2020-10-02
album: 作業用カフェＢＧＭ: カフェ勉強・集中力持続, 朝勉強, お家でカフェ気分
  type: MusicAlbum
  date published: 2021-05-18
album: 読書家の為のＢＧＭ: じっくり集中するピアノ背景音楽, おうち時間
  type: MusicAlbum
  date published: 2021-09-14
album: 夜の趣味に没頭する音楽: 読書や勉強, ピアノ作業ＢＧＭ
  type: MusicAlbum
  date published: 2023-02-14
album: 読書の為の喫茶店 - ピアノ音楽, カフェ作業, 夜の読書
  type: MusicAlbum
  date published: 2024-03-14
album: 読書に集中ピアノ音楽
  type: MusicAlbum
  date published: 2024-03-14