Katja Eichinger
type: MusicGroup
description: Katja Eichinger ( Hofmann; born 20 April 1971) is a German author and journalist. Early life and education Born in Kassel, Eichinger graduated from the British Film Institute's MA programme in 1995.
popularity: 3
followers: 61
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaca5db551f40e306f78338c3c1e5524640f1a36422d1c9509c6788e9939517f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ba2ecad9-18ad-44dc-b947-65b91230cb6b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ba2ecad9-18ad-44dc-b947-65b91230cb6b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ba2ecad9-18ad-44dc-b947-65b91230cb6b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaca5db551f40e306f78338c3c1e5524640f1a36422d1c9509c6788e9939517f6","name":"Katja Eichinger","registered_at":"2026-06-20T16:43:37Z","symbol":"NIM1655753","token_address":"0x51e002814584d1aeaa4327844ee5992e598a2aeb","type":"artist","uuid":"ba2ecad9-18ad-44dc-b947-65b91230cb6b"}
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 0xaca5db551f40e306f78338c3c1e5524640f1a36422d1c9509c6788e9939517f6. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ba2ecad9-18ad-44dc-b947-65b91230cb6b.json and https://artists.proofprofile.net/proofs/artist/ba2ecad9-18ad-44dc-b947-65b91230cb6b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xaca5db551f40e306f78338c3c1e5524640f1a36422d1c9509c6788e9939517f6","name":"Katja Eichinger","registered_at":"2026-06-20T16:43:37Z","symbol":"NIM1655753","token_address":"0x51e002814584d1aeaa4327844ee5992e598a2aeb","type":"artist","uuid":"ba2ecad9-18ad-44dc-b947-65b91230cb6b"}
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  type: MusicAlbum
  date published: 2022-04-11
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  type: MusicAlbum
  date published: 2022-11-11
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