Hatz von Hatzenstein
type: MusicGroup
popularity: 2
followers: 85
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x800678e5ad2372458d34f3337b5f7a2aa74dfdeee0167b07d1425cf454ad6cee
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/8cf8706e-92c4-46c5-8ea4-ffb50b92f2da.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8cf8706e-92c4-46c5-8ea4-ffb50b92f2da.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8cf8706e-92c4-46c5-8ea4-ffb50b92f2da
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x800678e5ad2372458d34f3337b5f7a2aa74dfdeee0167b07d1425cf454ad6cee","name":"Hatz von Hatzenstein","registered_at":"2026-06-17T15:13:45Z","symbol":"NIM1434935","token_address":"0xfbfbfbe9e3ef53a85b1ad714039411e9a2ea9fd1","type":"artist","uuid":"8cf8706e-92c4-46c5-8ea4-ffb50b92f2da"}
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 0x800678e5ad2372458d34f3337b5f7a2aa74dfdeee0167b07d1425cf454ad6cee. 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/8cf8706e-92c4-46c5-8ea4-ffb50b92f2da.json and https://artists.proofprofile.net/proofs/artist/8cf8706e-92c4-46c5-8ea4-ffb50b92f2da.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x800678e5ad2372458d34f3337b5f7a2aa74dfdeee0167b07d1425cf454ad6cee","name":"Hatz von Hatzenstein","registered_at":"2026-06-17T15:13:45Z","symbol":"NIM1434935","token_address":"0xfbfbfbe9e3ef53a85b1ad714039411e9a2ea9fd1","type":"artist","uuid":"8cf8706e-92c4-46c5-8ea4-ffb50b92f2da"}
album: Volkslieder - 1
  type: MusicAlbum
  date published: 2013-03-30
album: Freche Lieder 1
  type: MusicAlbum
  date published: 2013-03-30
album: Freche Lieder 2
  type: MusicAlbum
  date published: 2013-03-30
album: Volkslieder 2
  type: MusicAlbum
  date published: 2013-03-30
album: 14 christliche Weihnachtslieder
  type: MusicAlbum
  date published: 2013-04-02
album: Lieder zum Ritteressen
  type: MusicAlbum
  date published: 2013-04-05
album: Salve Regina - 17 Marienlieder zum Mitsingen
  type: MusicAlbum
  date published: 2013-06-01
album: Volkslieder 4
  type: MusicAlbum
  date published: 2013-07-30