Eva Busch
type: MusicGroup
genre: vintage-chanson
genre: vintage-schlager
description: Eva Busch (born Eva Zimmermann: 22 May 1912 – 20 July 2001) was a German-born singer and cabaret artist. Life Family provenance and early years Eva Senta Elisabeth Zimmermann was born in Berlin:
popularity: 4
followers: 306
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-21T07:29:20Z
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album: Le grand abécédaire de la chanson rétro: 500 succès, 500 vedettes (De 1900 à 1960)
  type: MusicAlbum
  date published: 2011-01-01
album: Mackeben, T.: Film Music (1929-1945)
  type: MusicAlbum
  date published: 2009-12-01
album: Eva Busch Collection
  type: MusicAlbum
  date published: 2014-01-15
  track: Du sollst nicht traurig sein
album: Eva Busch At Her Best
  type: MusicAlbum
  date published: 2013-11-13
  track: Ich Danke Dir
  track: Warum, Weshalb, Wieso?
  track: Du Solist Nicht Traurig Sein
  track: Nasse Lyrik
album: 1939-1940
  type: MusicAlbum
  date published: 2007-03-20
album: Eva Busch und Ihre Lieder
  type: MusicAlbum
  date published: 2006-09-28
album: Masters of Music: Tonfilm Schlager, Vol. 1
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  date published: 2005-01-13
  track: Das gibt's nur einmal
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      date published: 2005-01-13
    genre: vintage-schlager
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:30:09Z
    audio: Das gibt's nur einmal
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album: Eva Busch - Zauberlied (1932-1955 / Berlin, Amsterdam, Prag & Filmton)
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  date published: 2014-11-07
album: Tendres refrains d'amour
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  date published: 1992
  track: Le chaland qui passe
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      date published: 1992
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:55:08Z
    audio: Le chaland qui passe
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album: Les chansons préférées de papa, 135 succès populaires des années 1900 à 1960
album: Die Schlager des Jahres 1934
album: Die Schlager des Jahres 1944
album: Wenn die kleinen Veilchen blühen (Original Aufnahmen 1932)
album: Die Schlager des Jahres 1941
album: Les grandes dames de la chanson française
album: Berlin Babylon - Nighttime 1930's
album: Chansons intimistes, 100 chansons d'amour que l'on murmure à l'oreille
album: La vie quotidienne en chansons sous la drôle de guerre et l'occupation, vol. 4 (1939-1944) [Le cinéma et ses salles chauffées - La grande évasion]
album: Berlin Swings, Vol. 21 (Die goldene Ära deutscher Tanzorchester)
album: Romantic Paris Escape, Vol. 1
album: Die grossen Tonfilm Schlager, Vol.1
album: Berlin Swings, Vol. 10 (Die goldene ära deutscher tanzorchester)
album: Chansons de l'attente (1939-1944)
album: ...Und über uns der Himmel (1931-1947)
album: Die goldene Ära deutscher Tanzorchester: Es war einmal ein Musikus – Lewis Ruth
album: Glückliche Reise
album: Berlin Swings, Vol. 30 (Die goldene Ära deutscher Tanzorchester)
album: Schellack Schätze: Treasures on 78 RPM from Berlin, Europe & the World, Vol. 29
album: Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the World, Vol. 4
album: Paris Swings, Vol. 1 (L'âge d'or des orchestres de danse français)
album: Nos églises enchantées
album: Die schönsten deutschen Tonfilmschlager von 1929 bis 1950, Vol. 15
album: Schellack Schätze: Treasures on 78 rpm from Berlin, Europe & The World, Vol. 33
album: Gruß und Kuß Veronika (Original Aufnahmen 1933)
album: Vive le charme (Les 100 plus belles chansons de charme)
album: Gassenhauer Der 40er Und 50er Jahre
album: Cinema's Exiles: From Hitler to Hollywood (Original Soundtrack)
album: L'amour mode d'emploi, vol. 4 : Amour tendresse
album: Les premières compositions de Loulou Gasté (Collection "78 tours et puis s'en vont")
album: Wir zahlen keine Miete mehr (Original Aufnahmen 1932)
album: Cabaret Berlin Vol 1 - Rudolf Nelson
album: Eva Busch - 1939-1940
album: Eduard Künneke: Melodien aus Operetten

Du sollst nicht traurig sein
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by artist: Eva Busch
in album: Eva Busch Collection
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  date published: 2014-01-15
genre: vintage-chanson
genre: vintage-schlager
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  date published: 2026-07-08T03:39:04Z
audio: Du sollst nicht traurig sein
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Ich Danke Dir
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by artist: Eva Busch
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  date published: 2013-11-13
popularity: 1
genre: vintage-chanson
genre: vintage-schlager
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  date published: 2026-07-08T03:39:04Z
audio: Ich Danke Dir
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Warum, Weshalb, Wieso?
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by artist: Ernst Verebes
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popularity: 2
genre: vintage-chanson
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Du Solist Nicht Traurig Sein
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  date published: 2013-11-13
popularity: 2
genre: vintage-chanson
genre: vintage-schlager
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ff9d7ad170858bfe6c502cc1ab079f2b4b94016451f6cd344c1eb013f329ac8. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/FR6V82219086.
  date published: 2026-07-30T20:09:33Z
audio: Du Solist Nicht Traurig Sein
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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
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  additional property: Valence (Positivity)
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isrc code: FR6V82219086
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960302
additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:09:33+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

Nasse Lyrik
type: MusicRecording
duration: PT1M55S
duration ms: 115506
explicit: false
by artist: Eva Busch
in album: Eva Busch At Her Best
  type: MusicAlbum
  date published: 2013-11-13
popularity: 1
genre: vintage-chanson
genre: vintage-schlager
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795cb9d8bf249715e04bc52ae039c178c445069544e6ebf16f0365abaa698f62. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FR6V82219093.
  date published: 2026-08-01T01:44:32Z
audio: Nasse Lyrik
  type: AudioObject
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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: Valence (Positivity)
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isrc code: FR6V82219093
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Bel Ami
type: MusicRecording
duration: PT3M5S
duration ms: 185333
explicit: false
by artist: Eva Busch
in album: Eva Busch - 1939-1940
  type: MusicAlbum
  date published: 2000-01-01
genre: vintage-chanson
genre: vintage-schlager
isrc code: FR43D1731630
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR43D1731630
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27+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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb6fd2cb9513673f751bf0b52fb5d3d9d8f66d552d62fa66a85cad41aa3eaa6d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FR43D1731630.
  date published: 2026-07-08T08:56:20Z
audio: Bel Ami
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Musical Key
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value: 11

Mode (Major/Minor)
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value: 1

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.372

Energy
type: PropertyValue
value: 0.328

Speechiness
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value: 0.042

Acousticness
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value: 0.951

Instrumentalness
type: PropertyValue
value: 0.328

Liveness
type: PropertyValue
value: 0.153

Valence (Positivity)
type: PropertyValue
value: 0.432

Loudness (dB)
type: PropertyValue
value: -17.258

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Les chansons préférées de papa, 135 succès populaires des années 1900 à 1960
type: MusicAlbum
date published: 2013-01-01
track: A Sans-Souci-les-Fillettes
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175733
  explicit: false
  by artist: Germaine Lix
  in album: Les chansons préférées de papa, 135 succès populaires des années 1900 à 1960
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: FRW111301590
  additional property: CopyrightID
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    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRW111301590
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 0x58a629cf326fe3ae12adc919cdac5913a6650517b699f0acdf78027040928a08. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRW111301590.
    date published: 2026-07-08T03:20:19Z
  audio: A Sans-Souci-les-Fillettes
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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
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.608
    additional property: Energy
      type: PropertyValue
      value: 0.426
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.967
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.043
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.773
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.558
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Porque
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126320
  explicit: false
  by artist: Jean Sablon
  in album: Les chansons préférées de papa, 135 succès populaires des années 1900 à 1960
    type: MusicAlbum
    date published: 2013-01-01
  genre: chanson
  genre: french-jazz
  isrc code: FRW111301608
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957011
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957011
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRW111301608
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T08:25:35Z
  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 0x8ec37ad2a535a621f837d1b6fe45f616ad1ec1322755948555a5c83313699b8c. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/FRW111301608.
    date published: 2026-07-07T08:25:35Z
  audio: Porque
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.521
    additional property: Energy
      type: PropertyValue
      value: 0.623
    additional property: Speechiness
      type: PropertyValue
      value: 0.222
    additional property: Acousticness
      type: PropertyValue
      value: 0.738
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.14
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.68
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.181
    additional property: Key Name
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      value: C#
    additional property: Mode Name
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Die Schlager des Jahres 1934
type: MusicAlbum
date published: 2014-01-07
track: Kannst du pfeifen, Johanna?
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165186
  explicit: false
  by artist: Erwin Hartung
  in album: Die Schlager des Jahres 1934
    type: MusicAlbum
    date published: 2014-01-07
  popularity: 4
  isrc code: DER751304103
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x88e671ad7fa25b5c4e624daf3b99281e0e22d50735a8c5590daf9cf300d84b0e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DER751304103
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 0x88e671ad7fa25b5c4e624daf3b99281e0e22d50735a8c5590daf9cf300d84b0e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DER751304103.
    date published: 2026-07-08T03:20:19Z
  audio: Kannst du pfeifen, Johanna?
    type: AudioObject
    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
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.913
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.053
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.856
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.578
    additional property: Key Name
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    additional property: Mode Name
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track: Du bist meine große Leidenschaft
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195800
  explicit: false
  by artist: Eric Helgar
  in album: Die Schlager des Jahres 1934
    type: MusicAlbum
    date published: 2014-01-07
  popularity: 3
  genre: vintage-schlager
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x3567f07c83dcac4c152efd3bf25d701f25f6bcbf394ec2944a0e3fc7a9d7fef3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DER751304124
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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 0x3567f07c83dcac4c152efd3bf25d701f25f6bcbf394ec2944a0e3fc7a9d7fef3. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DER751304124.
    date published: 2026-07-08T08:56:20Z
  audio: Du bist meine große Leidenschaft
    type: AudioObject
    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
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.419
    additional property: Energy
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Die Schlager des Jahres 1944
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Wenn die kleinen Veilchen blühen (Original Aufnahmen 1932)
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Die Schlager des Jahres 1941
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Les grandes dames de la chanson française
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Berlin Babylon - Nighttime 1930's
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Chansons intimistes, 100 chansons d'amour que l'on murmure à l'oreille
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La vie quotidienne en chansons sous la drôle de guerre et l'occupation, vol. 4 (1939-1944) [Le cinéma et ses salles chauffées - La grande évasion]
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Berlin Swings, Vol. 21 (Die goldene Ära deutscher Tanzorchester)
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Romantic Paris Escape, Vol. 1
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Die grossen Tonfilm Schlager, Vol.1
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Berlin Swings, Vol. 10 (Die goldene ära deutscher tanzorchester)
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Chansons de l'attente (1939-1944)
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...Und über uns der Himmel (1931-1947)
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Die goldene Ära deutscher Tanzorchester: Es war einmal ein Musikus – Lewis Ruth
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Glückliche Reise
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Berlin Swings, Vol. 30 (Die goldene Ära deutscher Tanzorchester)
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Schellack Schätze: Treasures on 78 RPM from Berlin, Europe & the World, Vol. 29
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Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the World, Vol. 4
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Paris Swings, Vol. 1 (L'âge d'or des orchestres de danse français)
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Nos églises enchantées
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date published: 2020-10-02

Die schönsten deutschen Tonfilmschlager von 1929 bis 1950, Vol. 15
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Schellack Schätze: Treasures on 78 rpm from Berlin, Europe & The World, Vol. 33
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Gruß und Kuß Veronika (Original Aufnahmen 1933)
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Vive le charme (Les 100 plus belles chansons de charme)
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Gassenhauer Der 40er Und 50er Jahre
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Cinema's Exiles: From Hitler to Hollywood (Original Soundtrack)
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L'amour mode d'emploi, vol. 4 : Amour tendresse
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Les premières compositions de Loulou Gasté (Collection "78 tours et puis s'en vont")
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Wir zahlen keine Miete mehr (Original Aufnahmen 1932)
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Cabaret Berlin Vol 1 - Rudolf Nelson
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Eva Busch - 1939-1940
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track: Bel Ami

Eduard Künneke: Melodien aus Operetten
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