三浦環
type: MusicGroup
genre: enka
genre: kayokyoku
popularity: 2
followers: 130
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa7851eadb3bfd90ad0cf291e7b3aecca5950e4b63d71d4267747ae77d8dbe7f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c2449010-6d8c-4fde-9615-1e656272031f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c2449010-6d8c-4fde-9615-1e656272031f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c2449010-6d8c-4fde-9615-1e656272031f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa7851eadb3bfd90ad0cf291e7b3aecca5950e4b63d71d4267747ae77d8dbe7f7","name":"三浦環","registered_at":"2026-06-20T19:32:40Z","symbol":"NIM1695643","token_address":"0xbcfc7e3460d7e33393d44f949171fe61e7560973","type":"artist","uuid":"c2449010-6d8c-4fde-9615-1e656272031f"}
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 0xa7851eadb3bfd90ad0cf291e7b3aecca5950e4b63d71d4267747ae77d8dbe7f7. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c2449010-6d8c-4fde-9615-1e656272031f.json and https://artists.proofprofile.net/proofs/artist/c2449010-6d8c-4fde-9615-1e656272031f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0xa7851eadb3bfd90ad0cf291e7b3aecca5950e4b63d71d4267747ae77d8dbe7f7","name":"三浦環","registered_at":"2026-06-20T19:32:40Z","symbol":"NIM1695643","token_address":"0xbcfc7e3460d7e33393d44f949171fe61e7560973","type":"artist","uuid":"c2449010-6d8c-4fde-9615-1e656272031f"}
album: 伝説のプリマドンナ・三浦 環全集 2 歌曲〜世界の民謡
  type: MusicAlbum
  date published: 2014-09-10
album: 伝説のプリマドンナ・三浦 環全集 3 世界の民謡〜日本の歌曲
  type: MusicAlbum
  date published: 2014-09-10
album: 伝説のプリマドンナ・三浦 環全集 1 オペラのアリア〜歌曲
  type: MusicAlbum
  date published: 2014-09-10
album: 三浦 環 〜伝説のオペラ歌手 コロムビア・イヤーズ
  type: MusicAlbum
  date published: 2020-10-21