Katrin Bauerfeind
type: MusicGroup
popularity: 19
followers: 2820
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddb382c726079625171863bb8d667d28db6e82d76e0cea3bed7647cd9b16715b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/45d57ff3-6957-4633-a442-2ae22ca0b2a9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/45d57ff3-6957-4633-a442-2ae22ca0b2a9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/45d57ff3-6957-4633-a442-2ae22ca0b2a9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xddb382c726079625171863bb8d667d28db6e82d76e0cea3bed7647cd9b16715b","name":"Katrin Bauerfeind","registered_at":"2026-06-14T11:47:47Z","symbol":"NIM0443305","token_address":"0xd2cce317f57324d12241481bae25126a7f86744d","type":"artist","uuid":"45d57ff3-6957-4633-a442-2ae22ca0b2a9"}
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 0xddb382c726079625171863bb8d667d28db6e82d76e0cea3bed7647cd9b16715b. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/45d57ff3-6957-4633-a442-2ae22ca0b2a9.json and https://artists.proofprofile.net/proofs/artist/45d57ff3-6957-4633-a442-2ae22ca0b2a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0xddb382c726079625171863bb8d667d28db6e82d76e0cea3bed7647cd9b16715b","name":"Katrin Bauerfeind","registered_at":"2026-06-14T11:47:47Z","symbol":"NIM0443305","token_address":"0xd2cce317f57324d12241481bae25126a7f86744d","type":"artist","uuid":"45d57ff3-6957-4633-a442-2ae22ca0b2a9"}
album: Mir fehlt ein Tag zwischen Sonntag und Montag [Geschichten vom schönen Scheitern (Gekürzte Fassung)]
  type: MusicAlbum
  date published: 2014-03-06
album: Hinten sind Rezepte drin (Geschichten, die Männern nie passieren würden)
  type: MusicAlbum
  date published: 2016-01-21