Dagmar Koller
type: MusicGroup
genre: schlager
description: Dagmar Koller (born 26 August 1939) is an Austrian actress and singer. Life Born in Klagenfurt, she is recognized as the leading German language musical singer. She married Austrian journalist and po
popularity: 3
followers: 182
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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 0xb6cb6d7930ff1cfd0aa6a56188cba4459d5a4731b3f3f627fcd3c38e511ffcc0. Chain 2 (Bitcoin): anchored in block 954008 (2026-06-16T21:31:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/33c357cd-36a0-439c-8b90-d079fa424167.json and https://artists.proofprofile.net/proofs/artist/33c357cd-36a0-439c-8b90-d079fa424167.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T21:31:27Z
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album: Lieder meines Lebens
  type: MusicAlbum
  date published: 2009
album: Lieder meines Lebens
  type: MusicAlbum
  date published: 2009-07-23
album: Lieder Meines Lebens
  type: MusicAlbum
  date published: 2009-10-23
track: Leutnant warst du einst bei den Husaren (Lied & Marsch aus der Operette "Frühling im Prater") - 1992 Remastered Version
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215960
  explicit: false
  by artist: Robert Stolz
  by artist: Dagmar Koller
  by artist: Symphonie-Orchester Graunke
  in album: Stolz: Die schönsten Melodien [Best-Loved Melodies]
    type: MusicAlbum
    date published: 1992-08-10
  popularity: 2
  genre: polka
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac49919821f210a400f11219c586ecb894fb5255097d3529c76e8c22fbea3917. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/DEA349202091.
    date published: 2026-07-31T16:09:41Z
  audio: Leutnant warst du einst bei den Husaren (Lied & Marsch aus der Operette "Frühling im Prater") - 1992 Remastered Version
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    additional property: Danceability
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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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    additional property: Key Name
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    additional property: Mode Name
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