QuirkCat
type: MusicGroup
popularity: 2
followers: 368
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8d01b5c1c4103130f270827fe5687cb2d7313331e23a810e28a2fd1290645bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8a0cd57a-80d4-4111-8a91-1cfc0ed6457c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8a0cd57a-80d4-4111-8a91-1cfc0ed6457c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8a0cd57a-80d4-4111-8a91-1cfc0ed6457c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
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 0xd8d01b5c1c4103130f270827fe5687cb2d7313331e23a810e28a2fd1290645bd. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8a0cd57a-80d4-4111-8a91-1cfc0ed6457c.json and https://artists.proofprofile.net/proofs/artist/8a0cd57a-80d4-4111-8a91-1cfc0ed6457c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
album: Reborn
  type: MusicAlbum
  date published: 2024-07-30
album: Who am I? ~私って誰?~
  type: MusicAlbum
  date published: 2024-08-02
album: Who helps me ~誰が私を助けてくれるのか~
  type: MusicAlbum
  date published: 2024-08-02
album: Darkness ~闇~
  type: MusicAlbum
  date published: 2024-08-05
album: Chain Breaker ~チェーンブレーカー~
  type: MusicAlbum
  date published: 2024-08-15
album: The Path of the Warrior ~戦士の道~
  type: MusicAlbum
  date published: 2024-08-25
album: Hikikomori ~ひきこもり~
  type: MusicAlbum
  date published: 2024-09-13
album: Social Networks ~ソーシャルネットワーク~
  type: MusicAlbum
  date published: 2024-09-18
album: Joy ~喜び~
  type: MusicAlbum
  date published: 2024-10-07
album: Emotions
  type: MusicAlbum
  date published: 2024-10-13
album: Daikokufutō ~大黒埠頭~
  type: MusicAlbum
  date published: 2024-10-30
album: Ronin (Epic: Miyamoto Musashi)
  type: MusicAlbum
  date published: 2024-12-22
album: (Single - New Album) Glitch Mode – グリッチモード
  type: MusicAlbum
  date published: 2025-02-20
album: NEO-TOKYO: Rebirth
  type: MusicAlbum
  date published: 2025-03-24