Hahanoshikyu
type: MusicGroup
genre: j-rap
popularity: 12
followers: 1797
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc434b4971771b84effe8ce86ea22d81112932b56de62bb9b8776659517ed7207
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953674
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953674
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5b6d31d2-ebfc-49a4-9f52-8c9c025cae36.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5b6d31d2-ebfc-49a4-9f52-8c9c025cae36.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5b6d31d2-ebfc-49a4-9f52-8c9c025cae36
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:07:16Z
additional property: OTSCanonicalRecord
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 0xc434b4971771b84effe8ce86ea22d81112932b56de62bb9b8776659517ed7207. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5b6d31d2-ebfc-49a4-9f52-8c9c025cae36.json and https://artists.proofprofile.net/proofs/artist/5b6d31d2-ebfc-49a4-9f52-8c9c025cae36.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
album: リップクリームを絶対になくさない方法
  type: MusicAlbum
  date published: 2012-05-11
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  type: MusicAlbum
  date published: 2016-11-16
album: パーフェクトブルー
  type: MusicAlbum
  date published: 2017-06-17
album: ヴェルトシュメルツ
  type: MusicAlbum
  date published: 2017-12-06
album: 小説家になろうEP
  type: MusicAlbum
  date published: 2019-07-03
album: 懐祭り
  type: MusicAlbum
  date published: 2019-08-15
album: 顔
  type: MusicAlbum
  date published: 2019-09-11
album: 鼠穴
  type: MusicAlbum
  date published: 2019-11-25
album: 鼠穴
  type: MusicAlbum
  date published: 2019-11-26
album: 長い蝋燭の短さ
  type: MusicAlbum
  date published: 2022-12-14
album: 波羅葦増雲
  type: MusicAlbum
  date published: 2024-07-03