Roland Kruger
type: MusicGroup
genre: chamber music
popularity: 2
followers: 50
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xf2122a92d9dd7cb0296964c0bd7b5580861b36f948bae3eb00a2590991bed634
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c872dadd-4923-42d4-a0a1-f542febe36ef.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c872dadd-4923-42d4-a0a1-f542febe36ef.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c872dadd-4923-42d4-a0a1-f542febe36ef
additional property: OTSTimestamp
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  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf2122a92d9dd7cb0296964c0bd7b5580861b36f948bae3eb00a2590991bed634","name":"Roland Kruger","registered_at":"2026-06-20T22:16:57Z","symbol":"NIM1727780","token_address":"0xdaf482bf84c95e7964dc33f781cd1981c470bb12","type":"artist","uuid":"c872dadd-4923-42d4-a0a1-f542febe36ef"}
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 0xf2122a92d9dd7cb0296964c0bd7b5580861b36f948bae3eb00a2590991bed634. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c872dadd-4923-42d4-a0a1-f542febe36ef.json and https://artists.proofprofile.net/proofs/artist/c872dadd-4923-42d4-a0a1-f542febe36ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
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album: Mozart: Symphonies Nos. 35, 36 & 41 (Arr J.N. Hummel)
  type: MusicAlbum
  date published: 2015-10-02
album: Dimitri Ashkenazy Live at the Klassik Musikfest Mühlviertel
  type: MusicAlbum
  date published: 2011-07-01
album: Mozart: Symphonies Nos. 38, 39, 40 (Arr. Hummel)
  type: MusicAlbum
  date published: 2014-02-04
album: Klassik Musikfest Mühlviertel: Highlights
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  date published: 2008-07-01
album: Klassik Musik Fest Mühlviertel Highlights
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  date published: 2011-02-01
album: Queen Elisabeth Competition - Piano 1999 (Live)
  type: MusicAlbum
  date published: 1999-06-01
album: Geneva Music Competition: 75 Years of Musical Discoveries (Live Recording)
  type: MusicAlbum
  date published: 2014-12-01
album: Naxos February 2014 New Release Sampler
  type: MusicAlbum
  date published: 2013-07-23
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  type: MusicAlbum
  date published: 2019-03-08
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  type: MusicAlbum
  date published: 2013-01-01
album: Renate Pöllmann: Wia Neich (Gedichte in Salzkammergut-Mundart)
  type: MusicAlbum
  date published: 2010-07-01
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  type: MusicAlbum
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album: Geneva Competition Piano Laureates - Live recording - Laureates Festival 2015
  type: MusicAlbum
  date published: 2017-03-10
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  type: MusicAlbum
  date published: 2011-02-01