Kurt Demmler
type: MusicGroup
genre: singer-songwriter
description: Kurt Demmler (born Kurt Abramowitsch, 12 September 1943 Posen – 3 February 2009 Berlin) was a German songwriter, who in the earlier part of his life was a dissident East German songwriter.John Rodden
popularity: 9
followers: 510
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd929909520fed7ef854220ef4daa725a1d58accefdbd18d837e9fd8b94e27cf9. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ec421533-d791-4b68-bbc8-243418c2ecc9.json and https://artists.proofprofile.net/proofs/artist/ec421533-d791-4b68-bbc8-243418c2ecc9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0xd929909520fed7ef854220ef4daa725a1d58accefdbd18d837e9fd8b94e27cf9","name":"Kurt Demmler","registered_at":"2026-06-21T11:32:21Z","symbol":"NIM1912704","token_address":"0xf735840b420b350afad327cd74c6e17256373bed","type":"artist","uuid":"ec421533-d791-4b68-bbc8-243418c2ecc9"}
album: Mein Herz muss barfuß gehen
  type: MusicAlbum
  date published: 2009-10-02
  track: Was machen wir zu Pfingsten
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    duration ms: 141266
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    by artist: Kurt Demmler
    in album: Mein Herz muss barfuß gehen
      type: MusicAlbum
      date published: 2009-10-02
    genre: singer-songwriter
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    additional property: OTSTimestamp
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      value: 2026-07-05T10:01:46Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0230c3781a5d17c4fdef1485e6249f7d57a74eb26d90ca1f66ca56154e0822b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/DEHU50900130.
      date published: 2026-07-05T10:01:46Z
    audio: Was machen wir zu Pfingsten
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      additional property: Tempo (BPM)
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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
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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        value: -6.876
      additional property: Key Name
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        value: G
      additional property: Mode Name
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        value: Major
  track: Lied aus dem fahrenden Zug zu singen
    type: MusicRecording
    duration: PT2M58S
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    explicit: false
    by artist: Kurt Demmler
    in album: Mein Herz muss barfuß gehen
      type: MusicAlbum
      date published: 2009-10-02
    genre: singer-songwriter
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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 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 0xadf7053724d37ba19ecbda18c9f7ad05766171bc2ccfe6ac8027343af35a0aa2. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), 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/DEHU50900134.
      date published: 2026-07-19T20:03:27Z
    audio: Lied aus dem fahrenden Zug zu singen
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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
        value: 0.179
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Valence (Positivity)
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value: 0.845

Loudness (dB)
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value: -9.398

Key Name
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value: A

Mode Name
type: PropertyValue
value: Minor