Kaspar Rast
type: MusicGroup
popularity: 17
followers: 172
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9bf1b04c83e14bd2b0f3463c3740c4b803b28085655ed93c8e88061109824639
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953706
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953706
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c517146-3559-4885-ad6c-e8270221c43a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c517146-3559-4885-ad6c-e8270221c43a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7c517146-3559-4885-ad6c-e8270221c43a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T23:14:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9bf1b04c83e14bd2b0f3463c3740c4b803b28085655ed93c8e88061109824639","name":"Kaspar Rast","registered_at":"2026-06-14T17:31:57Z","symbol":"NIM0525448","token_address":"0x1128b2d4dedd9268030c970f4cca54b226eaf5ce","type":"artist","uuid":"7c517146-3559-4885-ad6c-e8270221c43a"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bf1b04c83e14bd2b0f3463c3740c4b803b28085655ed93c8e88061109824639. Chain 2 (Bitcoin): anchored in block 953706 (2026-06-14T23:14:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c517146-3559-4885-ad6c-e8270221c43a.json and https://artists.proofprofile.net/proofs/artist/7c517146-3559-4885-ad6c-e8270221c43a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-14T23:14:49Z
  text: {"copyright_id":"0x9bf1b04c83e14bd2b0f3463c3740c4b803b28085655ed93c8e88061109824639","name":"Kaspar Rast","registered_at":"2026-06-14T17:31:57Z","symbol":"NIM0525448","token_address":"0x1128b2d4dedd9268030c970f4cca54b226eaf5ce","type":"artist","uuid":"7c517146-3559-4885-ad6c-e8270221c43a"}
album: Part 52
  type: MusicAlbum
  date published: 2003