いとうけいすけ
type: MusicGroup
popularity: 20
followers: 561
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc65bfc9605c5a83c6d7842b077cb9220dac8dc492469f4461b3281d89c2062a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953610
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953610
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14e64f6e-911d-4746-a700-26c9ba2c58bb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14e64f6e-911d-4746-a700-26c9ba2c58bb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/14e64f6e-911d-4746-a700-26c9ba2c58bb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T07:58:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdc65bfc9605c5a83c6d7842b077cb9220dac8dc492469f4461b3281d89c2062a","name":"いとうけいすけ","registered_at":"2026-06-14T06:38:08Z","symbol":"NIM0369444","token_address":"0x86513a97ad8ed9fbbe146e8156488afd822aaa11","type":"artist","uuid":"14e64f6e-911d-4746-a700-26c9ba2c58bb"}
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 0xdc65bfc9605c5a83c6d7842b077cb9220dac8dc492469f4461b3281d89c2062a. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14e64f6e-911d-4746-a700-26c9ba2c58bb.json and https://artists.proofprofile.net/proofs/artist/14e64f6e-911d-4746-a700-26c9ba2c58bb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T07:58:09Z
  text: {"copyright_id":"0xdc65bfc9605c5a83c6d7842b077cb9220dac8dc492469f4461b3281d89c2062a","name":"いとうけいすけ","registered_at":"2026-06-14T06:38:08Z","symbol":"NIM0369444","token_address":"0x86513a97ad8ed9fbbe146e8156488afd822aaa11","type":"artist","uuid":"14e64f6e-911d-4746-a700-26c9ba2c58bb"}
album: サウザンドメモリーズ オリジナルサウンドトラック (vol.3)
  type: MusicAlbum
  date published: 2016-09-20
album: サウザンドメモリーズ オリジナルサウンドトラック (vol.2)
  type: MusicAlbum
  date published: 2016-09-20
album: サウザンドメモリーズ オリジナルサウンドトラック (vol.4)
  type: MusicAlbum
  date published: 2017-11-24
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  type: MusicAlbum
  date published: 2017-12-01
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  type: MusicAlbum
  date published: 2017-12-08
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  type: MusicAlbum
  date published: 2017-12-15
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  type: MusicAlbum
  date published: 2017-12-22
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  type: MusicAlbum
  date published: 2019-05-31
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  type: MusicAlbum
  date published: 2019-05-31
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  type: MusicAlbum
  date published: 2023-03-27
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  type: MusicAlbum
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album: Shiren the Wanderer: The Mystery Dungeon of Serpentcoil Island Original Soundtrack
  type: MusicAlbum
  date published: 2024-12-12