Kal
type: MusicGroup
popularity: 15
followers: 130
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98f65d327e047e1b73cafc1bd42a1ee7aaa0a2d9857a93fd99820ab153957612
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953827
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953827
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d2ad918d-e000-4fd6-ab6b-83c7db0479f1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d2ad918d-e000-4fd6-ab6b-83c7db0479f1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d2ad918d-e000-4fd6-ab6b-83c7db0479f1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T19:59:56Z
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 0x98f65d327e047e1b73cafc1bd42a1ee7aaa0a2d9857a93fd99820ab153957612. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d2ad918d-e000-4fd6-ab6b-83c7db0479f1.json and https://artists.proofprofile.net/proofs/artist/d2ad918d-e000-4fd6-ab6b-83c7db0479f1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T19:59:56Z
album: So ist es immer (Midnight Bonfire Version)
  type: MusicAlbum
  date published: 2020-01-15
album: Gurenge (Demon Slayer OP)
  type: MusicAlbum
  date published: 2020-04-24
album: 火炎 (Dororo OP)
  type: MusicAlbum
  date published: 2021-01-08
album: Princess Mononoke Theme Song (Tenor Version)
  type: MusicAlbum
  date published: 2021-05-19
album: Kiri (Ergo Proxy OP)
  type: MusicAlbum
  date published: 2021-11-23
album: VIVID VICE (From "Jujutsu Kaisen OP 2")
  type: MusicAlbum
  date published: 2022-02-17
album: Chainsaw Man
  type: MusicAlbum
  date published: 2023-01-25
album: Circle With Me
  type: MusicAlbum
  date published: 2023-09-22
album: Simple and Clean (Kingdom Hearts)
  type: MusicAlbum
  date published: 2024-03-15
album: Bling-Bang-Bang-Born (Mashle)
  type: MusicAlbum
  date published: 2024-04-09
album: Inconvenient Ideal
  type: MusicAlbum
  date published: 2024-09-25