Gratzug
type: MusicGroup
genre: black metal
popularity: 3
followers: 1085
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50d991f585d285d8bed0dc03b66cff4d1392092c4aac5efda9321c03e5477a12
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12426eb6-372e-4050-a647-5e840769a8c8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12426eb6-372e-4050-a647-5e840769a8c8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/12426eb6-372e-4050-a647-5e840769a8c8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
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 0x50d991f585d285d8bed0dc03b66cff4d1392092c4aac5efda9321c03e5477a12. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/12426eb6-372e-4050-a647-5e840769a8c8.json and https://artists.proofprofile.net/proofs/artist/12426eb6-372e-4050-a647-5e840769a8c8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
album: Pestabtei
  type: MusicAlbum
  date published: 2011-04-20
album: Vor dem Tor
  type: MusicAlbum
  date published: 2011-07-15
album: Vor dem Tor
  type: MusicAlbum
  date published: 2011-07-15
album: Mondtore
  type: MusicAlbum
  date published: 2012-07-17
album: Marter
  type: MusicAlbum
  date published: 2013-09-07
album: Marter
  type: MusicAlbum
  date published: 2013-09-07
album: Der ewige Bund
  type: MusicAlbum
  date published: 2013-12-24
album: Der ewige Bund
  type: MusicAlbum
  date published: 2013-12-24
album: Offenbarung
  type: MusicAlbum
  date published: 2014-11-03
album: Offenbarung
  type: MusicAlbum
  date published: 2014-11-04
album: Erhabenheit
  type: MusicAlbum
  date published: 2015-10-04
album: Erhabenheit
  type: MusicAlbum
  date published: 2015-10-14
album: V: Meyster
  type: MusicAlbum
  date published: 2016-12-02
album: Zeitgeist
  type: MusicAlbum
  date published: 2019-09-02
album: Zeitgeist
  type: MusicAlbum
  date published: 2019-09-02