Kazper
type: MusicGroup
popularity: 2
followers: 942
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9c82aaee327c7fd2b223c2982bd109677bf5bc2560db37d4823bc741a562c9f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/650e7809-afda-4431-8aaf-09162bbc64ca.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/650e7809-afda-4431-8aaf-09162bbc64ca.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/650e7809-afda-4431-8aaf-09162bbc64ca
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
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 0x9c82aaee327c7fd2b223c2982bd109677bf5bc2560db37d4823bc741a562c9f1. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/650e7809-afda-4431-8aaf-09162bbc64ca.json and https://artists.proofprofile.net/proofs/artist/650e7809-afda-4431-8aaf-09162bbc64ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Stuck In The Rain
  type: MusicAlbum
  date published: 2018-07-08
album: Late Night Freestyle
  type: MusicAlbum
  date published: 2019-07-13
album: Dark Nights
  type: MusicAlbum
  date published: 2020-01-29
album: Dark Nights
  type: MusicAlbum
  date published: 2020-01-29
album: Fuck My P.O.
  type: MusicAlbum
  date published: 2020-02-13
album: Fuck My P.O.
  type: MusicAlbum
  date published: 2020-02-13
album: Way I Was Raised
  type: MusicAlbum
  date published: 2020-02-21
album: Way I Was Raised
  type: MusicAlbum
  date published: 2020-02-21
album: Lean
  type: MusicAlbum
  date published: 2020-03-19
album: I Try
  type: MusicAlbum
  date published: 2020-06-18
album: I Try
  type: MusicAlbum
  date published: 2020-06-18
album: The Drip
  type: MusicAlbum
  date published: 2020-07-07
album: Im Trippin
  type: MusicAlbum
  date published: 2020-11-21
album: My Vision
  type: MusicAlbum
  date published: 2021-02-04
album: Hesitation
  type: MusicAlbum
  date published: 2021-02-28
album: Straight From The Bottom Freestyle
  type: MusicAlbum
  date published: 2021-05-01
album: Let Me Go
  type: MusicAlbum
  date published: 2021-06-03