Ulrich Matthes
type: MusicGroup
description: Ulrich Matthes (born 9 May 1959) is a German actor. He is best known for having played Joseph Goebbels in the 2004 film Downfall. Life and work Matthes was born in West Berlin and educated at the Eva
popularity: 27
followers: 443
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/a5b76c69-066e-4499-b9d5-8d8579e7e4a3.ots
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda31bf33bc7b3655c1085972442c7f554f8b3410ba827e2a2371f1e49ea9af9c. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a5b76c69-066e-4499-b9d5-8d8579e7e4a3.json and https://artists.proofprofile.net/proofs/artist/a5b76c69-066e-4499-b9d5-8d8579e7e4a3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: Schostakowitsch: Doppeltes Spiel -playing a double game (CD 1 - 3 in German)
  type: MusicAlbum
  date published: 2022-01-07
  track: Shostakovich Doppeltes Spiel: No. 2, Die wilden Zwanziger
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    by artist: Alexander Mosolov
    by artist: Dmitri Shostakovich
    by artist: Udo Wachtveitl
    by artist: Ulrich Mathes
    by artist: London Philharmonic Orchestra
    by artist: Bernard Haitink
    by artist: Konstantin Scherbakov
    by artist: Berlin Radio Symphony Orchestra
    by artist: Johannes Kalitzke
    by artist: London Philharmonic Choir
    by artist: Vladislav Sulimsky
    by artist: Valery Gergiev
    by artist: Basel Sinfonietta
    by artist: Mark Fitz-Gerald
    in album: Schostakowitsch: Doppeltes Spiel -playing a double game (CD 1 - 3 in German)
      type: MusicAlbum
      date published: 2022-01-07
    popularity: 1
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641694af5450492a0fff96f2eb5d2df9954a1075db97658e6e2f83e051959aff. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW72192902.
      date published: 2026-07-08T03:22:41Z
    audio: Shostakovich Doppeltes Spiel: No. 2, Die wilden Zwanziger
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      additional property: Tempo (BPM)
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.61
      additional property: Loudness (dB)
        type: PropertyValue
        value: -19.305
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
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  track: Shostakovich Doppeltes Spiel: No. 1, Roter Oktober

Shostakovich Doppeltes Spiel: No. 1, Roter Oktober
type: MusicRecording
duration: PT24M9S
duration ms: 1449602
explicit: false
by artist: Nikolai Ikonnikow
by artist: Johann Sebastian Bach
by artist: Dmitri Shostakovich
by artist: Udo Wachtveitl
by artist: Ulrich Matthes
by artist: Bavarian Radio Symphony Orchestra
by artist: Bavarian Radio Chorus
by artist: Mariss Jansons
by artist: Martin Rasch
by artist: Martin Stadtfeld
by artist: Konstantin Scherbakov
by artist: USSR State Symphony Orchestra
by artist: Gennady Rozhdestvensky
by artist: Margarete Babinsky
by artist: Holger Busch
by artist: Vladimir Ashkenazy
by artist: Zsolt-Tihamér Visontay
by artist: Mats Lidström
by artist: London Philharmonic Orchestra
by artist: Bernard Haitink
in album: Schostakowitsch: Doppeltes Spiel -playing a double game (CD 1 - 3 in German)
  type: MusicAlbum
  date published: 2022-01-07
popularity: 2
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x127f51d63275815d50bc42529a7db3a6bad9aff93bf1387b063f1e1e0fcd58aa. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW72192901.
  date published: 2026-07-31T03:15:04Z
audio: Shostakovich Doppeltes Spiel: No. 1, Roter Oktober
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
    type: PropertyValue
    value: 0.357
  additional property: Speechiness
    type: PropertyValue
    value: 0.908
  additional property: Acousticness
    type: PropertyValue
    value: 0.674
  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.244
  additional property: Valence (Positivity)
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    value: 0.508
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.061
  additional property: Key Name
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    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DELW72192901
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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  value: true
additional property: ContentHash
additional property: BitcoinBlock
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  value: 960340
additional property: BitcoinTime
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  value: 2026-07-31T03:15:04+00:00
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW72192901
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960340
additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/960340
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T03:15:04+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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