Friederike Sailer
type: MusicGroup
genre: opera
description: Friederike Sailer (20 February 1920 – June 1994) was a German soprano in opera and concert. She was a member of the Stuttgart Opera, later a voice teacher at the Musikhochschule Stuttgart. She perform
popularity: 4
followers: 42
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b4cecf447198b629d4b085c1757735c7099fcec3684809480f5d58de665678c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cee4c3c0-d950-466b-8b23-941a0ab5859a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cee4c3c0-d950-466b-8b23-941a0ab5859a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cee4c3c0-d950-466b-8b23-941a0ab5859a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9b4cecf447198b629d4b085c1757735c7099fcec3684809480f5d58de665678c","name":"Friederike Sailer","registered_at":"2026-06-21T00:37:51Z","symbol":"NIM1764891","token_address":"0xfc3305a52f17420ab5662ec3055b870928fae3b0","type":"artist","uuid":"cee4c3c0-d950-466b-8b23-941a0ab5859a"}
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 0x9b4cecf447198b629d4b085c1757735c7099fcec3684809480f5d58de665678c. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cee4c3c0-d950-466b-8b23-941a0ab5859a.json and https://artists.proofprofile.net/proofs/artist/cee4c3c0-d950-466b-8b23-941a0ab5859a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x9b4cecf447198b629d4b085c1757735c7099fcec3684809480f5d58de665678c","name":"Friederike Sailer","registered_at":"2026-06-21T00:37:51Z","symbol":"NIM1764891","token_address":"0xfc3305a52f17420ab5662ec3055b870928fae3b0","type":"artist","uuid":"cee4c3c0-d950-466b-8b23-941a0ab5859a"}
album: Mozart: Die Zauberflöte, K. 620 (Live)
  type: MusicAlbum
  date published: 2019-03-08
album: Classical Arias
  type: MusicAlbum
  date published: 2017-10-13
album: Operetta Arias
  type: MusicAlbum
  date published: 2017-09-08
  track: Giuditta: Freunde, das Leben ist lebenswert
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209626
    explicit: false
    by artist: Fritz Löhner-Beda
    by artist: Franz Lehár
    by artist: Fritz Wunderlich
    by artist: SWR Rundfunkorchester Kaiserslautern
    by artist: Emmerich Smola
    in album: Operetta Arias
      type: MusicAlbum
      date published: 2017-09-08
    popularity: 1
    isrc code: HKI191525002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T14:49:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xec41d25ff32191fa9f164f0b6791030fed9a249d3ad4a41acd73278179a2c123
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957120
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957120
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191525002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:22:41Z
    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 0xec41d25ff32191fa9f164f0b6791030fed9a249d3ad4a41acd73278179a2c123. 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/HKI191525002.
      date published: 2026-07-08T03:22:41Z
    audio: Giuditta: Freunde, das Leben ist lebenswert
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 168.1
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.171
      additional property: Energy
        type: PropertyValue
        value: 0.328
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.954
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.207
      additional property: Liveness
        type: PropertyValue
        value: 0.091
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.329
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.854
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Romantische Arien
  type: MusicAlbum
  date published: 2017-06-09
album: Ferdinand Leitner Anniversary Edition
  type: MusicAlbum
  date published: 2012-06-05
album: Sings Operetta & Opera Arias & Duets
  type: MusicAlbum
  date published: 2009
album: Traumland Der Operette - Raritäten (Folge 2)
  type: MusicAlbum
  date published: 2008-01-01
album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
  track: Gasparone: Dunkelrote Rosen
    type: MusicRecording
    duration: PT2M59S
    duration ms: 179106
    explicit: false
    by artist: Carl Millöcker
    by artist: Orchestra of the Württemberg State Opera
    by artist: Harry Pleva
    by artist: Jörn Wilsing
    in album: Beliebte Operettenmelodien
      type: MusicAlbum
      date published: 2010-09-01
    isrc code: DEA580900462
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T20:45:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2b87c5ddb8beb96c64853f46ea6f20d2484976685bcddeea0d3c7b30a2d677e5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957120
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957120
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA580900462
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:22:41Z
    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 0x2b87c5ddb8beb96c64853f46ea6f20d2484976685bcddeea0d3c7b30a2d677e5. 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/DEA580900462.
      date published: 2026-07-08T03:22:41Z
    audio: Gasparone: Dunkelrote Rosen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.262
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Ungarische Hochzeit: Heimat, Dein Lieder
  track: Der Obersteiger, Act II: "Sei nicht bös'"
  track: Gasparone: Komm, mia bella
  track: Die Lustige Witwe: Es waren 2 Königskinder/Ich geh jetzt ins Maxims
  track: Im weissen Rössl, Akt III: "Mein Liebeslied muss ein Walzer sein"
  track: Die lustige Witwe: Wie die Blumen im Lenze erblüh'n/Ballsirenenwalzer
  track: Gräfin Mariza: Wenn es Abend wird/Grüss mir die süßen, die reizenden Frauen
  track: Gräfin Mariza: Ich warte auf das große Wunder/Machen wir's den Schwalben nach
  track: Der Zigeunerbaron, Act I: Schatzwalzer
  track: Simplicius: Lagerlust Polka
  track: Der Bettelstudent, Act II: "Ich setz' den Fall"
  track: Monika: Ein Walzer zu zweien
album: Vocal Recital: Wunderlich, Fritz - Kaiser, E. / Georgy-Engelhardt, G. / Katt, M. / Hasenpflug, C. / Berner, H. / Kowalski, L. (1953-1956)
album: Brahms: Zigeunerlieder, Op. 103 & Liebeslieder-Walzer, Op. 52 (Mono Version)
album: Rimsky-Korsakov: Das Märchen vom zar Saltan
album: Vivaldi for Beginners
album: Classical Chorus: Beethoven, Vivaldi & Purcell
album: Vivaldi: O qui coeli terraeque serenitas, Stabat mater & Gloria in D Major, RV 589 (Mono Version)
album: Bach : Oster-Oratorium, BWV 249 (Mono Version)
album: Franz Schubert: Essential Vocal Works
album: Les splendeurs de la musique sacrée, Vol. 5
album: Vivaldi in Film
album: Friederike Sailer / Choeurs de Radio Stuttgart et Orchestre Pro Musica de Stuttgart play: Michel Richard Delalande: De Profundis (Psaume 129), S 23
album: Friederike Sailer / Margarete Bence / Susi Lautenbacher play: Johann Sebastian Bach: "Kommt, eilet und laufet, ihr flüchtigen Füsse" - Oratorium zum Osterfest, BWV 249
album: Friederike Sailer / Susi Lautenbacher etc. / Stuttgarter Bach-Chor und Orchester / Marcel Couraud play: Johann Sebastian Bach: "Kommt, eilet und laufet, ihr flüchtigen Füsse" - Oratorium zum
album: Stabat Mater
album: Hans Sachs
album: Vivaldi: Gloria, Stabat Mater & O qui coeli terraeque serenitas
album: Bach: Cantates, BWV 8 & 110 (Stereo Version)
album: Beethoven: Egmont, Op. 84 (Mono Version)
album: Beethoven: Egmont, Op. 84 & Symphony No. 1, Op. 21 (Mono Version)
album: Oster-Oratorium BWV 249
album: Magnificat BWV 243 & Kantate BWV 31
album: Brahms: Liebeslieder-Walzer, Op. 52 & 65 (Mono Version)
album: Choeurs et Orchestre Philarmonique "Pro Musica" de Stuttgart play: Antonio Vivaldi: Gloria
album: 100 Volkslieder
album: Vivaldi at Christmas
album: Antonio Vivaldi: Essential Vocal Works
album: 50 Best Of Volkslieder
album: Johann Sebastian Bach Osteroratorium/Easter Oratorio
album: 111 Vivaldi Masterpieces
album: 111 Schubert Masterpieces
album: Los Grandes de la Musica Clasica - Antonio Vivaldi Vol. 3
album: Fritz Wunderlich, Vol. 6 (1956)

Ungarische Hochzeit: Heimat, Dein Lieder
type: MusicRecording
duration: PT3M1S
duration ms: 181066
explicit: false
by artist: Nico Dostal
by artist: Stuttgart Philharmonic Orchestra
by artist: Friederike Sailer
by artist: Fritz Mareczek
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
isrc code: USZDG0900726
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:42:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d576610ffc0db6414b37a8f7fc7ed0042023c6d4a78b561db571929440ae02d
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/USZDG0900726
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d576610ffc0db6414b37a8f7fc7ed0042023c6d4a78b561db571929440ae02d. 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/USZDG0900726.
  date published: 2026-07-08T03:20:19Z
audio: Ungarische Hochzeit: Heimat, Dein Lieder
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.674
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.209
  additional property: Energy
    type: PropertyValue
    value: 0.269
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.384
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.382
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Bettelstudent, Act II: "Ich setz' den Fall"
type: MusicRecording
duration: PT4M9S
duration ms: 249520
explicit: false
by artist: Carl Millöcker
by artist: South German Radio Symphony Orchestra
by artist: Christo Bajew
by artist: Alfons Rischner
by artist: Friederike Sailer
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
isrc code: DEA580900465
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:02:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcfdc6cacadd76cb3e5a777e58318c63caeca09742cac4d7c20b55b21ef5ad8e7
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/DEA580900465
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfdc6cacadd76cb3e5a777e58318c63caeca09742cac4d7c20b55b21ef5ad8e7. 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/DEA580900465.
  date published: 2026-07-08T03:20:19Z
audio: Der Bettelstudent, Act II: "Ich setz' den Fall"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.08
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.322
  additional property: Energy
    type: PropertyValue
    value: 0.273
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.237
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.276
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Monika: Ein Walzer zu zweien
type: MusicRecording
duration: PT3M18S
duration ms: 198506
explicit: false
by artist: Nico Dostal
by artist: Stuttgart Philharmonic Orchestra
by artist: Friederike Sailer
by artist: Fritz Mareczek
by artist: Fritz Wunderlich
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9893a730c3efd30c80be75afc40cc3f56c1f7894038c4846e7e9ef3b3c2391d0. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/USZDG0900725.
  date published: 2026-07-30T12:45:34Z
audio: Monika: Ein Walzer zu zweien
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.183
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.321
  additional property: Energy
    type: PropertyValue
    value: 0.278
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.287
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.222
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.526
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USZDG0900725
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960258
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T12:45:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0900725
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960258
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960258
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:45:34+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

Osteroratorium, BWV 249/Easter Oratorio, BWV 249: Sinfonia
type: MusicRecording
duration: PT4M31S
duration ms: 271636
explicit: false
by artist: August Messthaler
by artist: Fritz Wunderlich
by artist: Margaret Bence
by artist: Friederike Sailer
by artist: Marcel Couraud
in album: Johann Sebastian Bach Osteroratorium/Easter Oratorio
  type: MusicAlbum
  date published: 2009-01-16
isrc code: DEU240828379
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:13:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c62895c7964fd18c331a9806088f642b3311478c11582ed01d45d7fb6f78269
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/DEU240828379
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+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
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c62895c7964fd18c331a9806088f642b3311478c11582ed01d45d7fb6f78269. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEU240828379.
  date published: 2026-07-08T03:53:27Z
audio: Osteroratorium, BWV 249/Easter Oratorio, BWV 249: Sinfonia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 157.572
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.341
  additional property: Energy
    type: PropertyValue
    value: 0.305
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.847
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.824
  additional property: Liveness
    type: PropertyValue
    value: 0.203
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.586
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.16
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Osteroratorium, BWV 249/Easter Oratorio, BWV 249: Duetto & Chorus: kommt, Eilet Und Laufet
type: MusicRecording
duration: PT5M22S
duration ms: 322320
explicit: false
by artist: Margaret Bence
by artist: Friederike Sailer
by artist: August Messthaler
by artist: Fritz Wunderlich
by artist: Marcel Couraud
in album: Johann Sebastian Bach Osteroratorium/Easter Oratorio
  type: MusicAlbum
  date published: 2009-01-16
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x917b4c0d57f10e8c633d0ff1d85148d8bea1939dee1142e5322f66815575c1ca. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/DEU240828381.
  date published: 2026-07-31T13:50:38Z
audio: Osteroratorium, BWV 249/Easter Oratorio, BWV 249: Duetto & Chorus: kommt, Eilet Und Laufet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.374
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.38
  additional property: Energy
    type: PropertyValue
    value: 0.285
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.843
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.88
  additional property: Liveness
    type: PropertyValue
    value: 0.205
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.536
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.428
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEU240828381
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960410
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T13:50:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU240828381
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960410
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960410
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:50:38+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

Musical Key
type: PropertyValue
value: 2

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.185

Energy
type: PropertyValue
value: 0.374

Speechiness
type: PropertyValue
value: 0.034

Acousticness
type: PropertyValue
value: 0.985

Instrumentalness
type: PropertyValue
value: 0.002

Liveness
type: PropertyValue
value: 0.101

Valence (Positivity)
type: PropertyValue
value: 0.165

Loudness (dB)
type: PropertyValue
value: -13.826

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Der Obersteiger, Act II: "Sei nicht bös'"
type: MusicRecording
duration: PT2M22S
duration ms: 142960
explicit: false
by artist: Karl Zeller
by artist: Stuttgart Philharmonic Orchestra
by artist: Fritz Mareczek
by artist: Fritz Wunderlich
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
isrc code: USZDG0900717
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:25:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x19c03d07f6f0ed6a27eff189ee458ab9b41aeb39da4cd72055ed1f6d569df1f1
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/USZDG0900717
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 0x19c03d07f6f0ed6a27eff189ee458ab9b41aeb39da4cd72055ed1f6d569df1f1. 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/USZDG0900717.
  date published: 2026-07-08T03:20:19Z
audio: Der Obersteiger, Act II: "Sei nicht bös'"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.505
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.308
  additional property: Energy
    type: PropertyValue
    value: 0.299
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.857
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.238
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.682
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gasparone: Komm, mia bella
type: MusicRecording
duration: PT3M12S
duration ms: 192693
explicit: false
by artist: Carl Millöcker
by artist: Orchestra of the Württemberg State Opera
by artist: Harry Pleva
by artist: Isy Cren
by artist: Jörn Wilsing
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
isrc code: DEA580900461
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:51:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3dcdb569b004d4c7cd9cc4b6f364ac2b333a2b6dd878c82f6b550c4a6a11855a
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/DEA580900461
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 0x3dcdb569b004d4c7cd9cc4b6f364ac2b333a2b6dd878c82f6b550c4a6a11855a. 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/DEA580900461.
  date published: 2026-07-08T03:20:19Z
audio: Gasparone: Komm, mia bella
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.892
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.383
  additional property: Energy
    type: PropertyValue
    value: 0.249
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.324
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.499
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.787
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Lustige Witwe: Es waren 2 Königskinder/Ich geh jetzt ins Maxims
type: MusicRecording
duration: PT3M23S
duration ms: 203306
explicit: false
by artist: Franz Lehár
by artist: Vienna Volksoper Orchestra
by artist: Lotte Rysanek
by artist: Vienna Volksoper Choir
by artist: Franz Bauer-Theussl
by artist: Kurt Equiluz
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
genre: opera
isrc code: CAM460870147
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:55:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25a9cb3619511fbc8ecc6224009c7663356d28cc6d1f274ef752478e565dbcd1
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/CAM460870147
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 0x25a9cb3619511fbc8ecc6224009c7663356d28cc6d1f274ef752478e565dbcd1. 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/CAM460870147.
  date published: 2026-07-08T03:20:19Z
audio: Die Lustige Witwe: Es waren 2 Königskinder/Ich geh jetzt ins Maxims
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.161
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.271
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.804
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.315
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.548
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Im weissen Rössl, Akt III: "Mein Liebeslied muss ein Walzer sein"
type: MusicRecording
duration: PT3M14S
duration ms: 194093
explicit: false
by artist: Ralph Benatzky
by artist: Vienna State Opera Orchestra
by artist: Lotte Rysanek
by artist: Vienna State Opera Chorus
by artist: Franz Bauer-Theussl
by artist: Karl Terkal
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
isrc code: CAM460870123
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:16:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x816d3c9e3563dd512fec34341d0b2cf8ed80d960c6a125615b49ac1a676fc3ee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAM460870123
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0x816d3c9e3563dd512fec34341d0b2cf8ed80d960c6a125615b49ac1a676fc3ee. 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/CAM460870123.
  date published: 2026-07-08T03:22:41Z
audio: Im weissen Rössl, Akt III: "Mein Liebeslied muss ein Walzer sein"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.825
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.393
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.863
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.037
  additional property: Liveness
    type: PropertyValue
    value: 0.518
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.38
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.699
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die lustige Witwe: Wie die Blumen im Lenze erblüh'n/Ballsirenenwalzer
type: MusicRecording
duration: PT4M6S
duration ms: 246280
explicit: false
by artist: Franz Lehár
by artist: Vienna State Opera Orchestra
by artist: Lotte Rysanek
by artist: Vienna State Opera Chorus
by artist: Franz Bauer-Theussl
by artist: Karl Terkal
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
genre: opera
isrc code: CAM460870145
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:52:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f1b5410ca55f570f58126e295ccfa73c4ac04413ef725bcdcfa5b192bc8d0ab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
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/CAM460870145
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0x0f1b5410ca55f570f58126e295ccfa73c4ac04413ef725bcdcfa5b192bc8d0ab. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CAM460870145.
  date published: 2026-07-08T03:53:27Z
audio: Die lustige Witwe: Wie die Blumen im Lenze erblüh'n/Ballsirenenwalzer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.215
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.26
  additional property: Energy
    type: PropertyValue
    value: 0.44
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.56
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.244
  additional property: Liveness
    type: PropertyValue
    value: 0.34
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.441
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.989
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gräfin Mariza: Wenn es Abend wird/Grüss mir die süßen, die reizenden Frauen
type: MusicRecording
duration: PT3M16S
duration ms: 196026
explicit: false
by artist: Emmerich Kálmán
by artist: Vienna State Opera Orchestra
by artist: Vienna State Opera Chorus
by artist: Erich Christ
by artist: Franz Bauer-Theussl
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
genre: fado
isrc code: CAM460870143
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:07:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb3d89c8751714dc7240ecff552e0b125d57dff3f95f34e15a066894925e42bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAM460870143
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0xfb3d89c8751714dc7240ecff552e0b125d57dff3f95f34e15a066894925e42bd. 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/CAM460870143.
  date published: 2026-07-08T03:22:41Z
audio: Gräfin Mariza: Wenn es Abend wird/Grüss mir die süßen, die reizenden Frauen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.767
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.205
  additional property: Energy
    type: PropertyValue
    value: 0.219
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.363
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.117
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.549
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Gräfin Mariza: Ich warte auf das große Wunder/Machen wir's den Schwalben nach
type: MusicRecording
duration: PT4M0S
duration ms: 240186
explicit: false
by artist: Emmerich Kálmán
by artist: Vienna State Opera Orchestra
by artist: Lotte Rysanek
by artist: Vienna State Opera Chorus
by artist: Franz Bauer-Theussl
by artist: Karl Terkal
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
genre: fado
isrc code: CAM460870144
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:58:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x06804c9f7229486dde0d4322e4cad6c3391743d789ff4dbfb71e964aa7f375ea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
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/CAM460870144
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0x06804c9f7229486dde0d4322e4cad6c3391743d789ff4dbfb71e964aa7f375ea. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CAM460870144.
  date published: 2026-07-08T03:53:27Z
audio: Gräfin Mariza: Ich warte auf das große Wunder/Machen wir's den Schwalben nach
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.693
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.303
  additional property: Energy
    type: PropertyValue
    value: 0.282
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.326
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.298
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.534
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Zigeunerbaron, Act I: Schatzwalzer
type: MusicRecording
duration: PT7M34S
duration ms: 454733
explicit: false
by artist: Johann Strauss II
by artist: Vienna Volksoper Orchestra
by artist: Paul Kantschieder
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
isrc code: DEA580800558
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:15:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc41b74b88092aeab8d248e7049ac963ea248e8de95a663840310fcaf68132af4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
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/DEA580800558
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0xc41b74b88092aeab8d248e7049ac963ea248e8de95a663840310fcaf68132af4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEA580800558.
  date published: 2026-07-08T03:53:27Z
audio: Der Zigeunerbaron, Act I: Schatzwalzer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.222
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.903
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.874
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.352
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.322
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Simplicius: Lagerlust Polka
type: MusicRecording
duration: PT3M19S
duration ms: 199880
explicit: false
by artist: Johann Strauss II
by artist: Philharmonia Hungarica
by artist: Eduard Strauss
in album: Beliebte Operettenmelodien
  type: MusicAlbum
  date published: 2010-09-01
isrc code: USZDG0900716
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:53:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22d1bd68a3c46622ee1b2bbc0e1f9cffec846b6b932ee7b3e8f02778f85866e0
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/USZDG0900716
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 0x22d1bd68a3c46622ee1b2bbc0e1f9cffec846b6b932ee7b3e8f02778f85866e0. 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/USZDG0900716.
  date published: 2026-07-08T03:20:19Z
audio: Simplicius: Lagerlust Polka
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.833
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.421
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.934
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.408
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.21
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vocal Recital: Wunderlich, Fritz - Kaiser, E. / Georgy-Engelhardt, G. / Katt, M. / Hasenpflug, C. / Berner, H. / Kowalski, L. (1953-1956)
type: MusicAlbum
date published: 2009-05-26

Brahms: Zigeunerlieder, Op. 103 & Liebeslieder-Walzer, Op. 52 (Mono Version)
type: MusicAlbum
date published: 1962

Rimsky-Korsakov: Das Märchen vom zar Saltan
type: MusicAlbum
date published: 2015-03-01

Vivaldi for Beginners
type: MusicAlbum
date published: 2024-09-14

Classical Chorus: Beethoven, Vivaldi & Purcell
type: MusicAlbum
date published: 2014-04-10

Vivaldi: O qui coeli terraeque serenitas, Stabat mater & Gloria in D Major, RV 589 (Mono Version)
type: MusicAlbum
date published: 1962-01-01

Bach : Oster-Oratorium, BWV 249 (Mono Version)
type: MusicAlbum
date published: 1960-01-01

Franz Schubert: Essential Vocal Works
type: MusicAlbum
date published: 2021-08-13

Les splendeurs de la musique sacrée, Vol. 5
type: MusicAlbum
date published: 1957

Vivaldi in Film
type: MusicAlbum
date published: 2021-01-01

Friederike Sailer / Choeurs de Radio Stuttgart et Orchestre Pro Musica de Stuttgart play: Michel Richard Delalande: De Profundis (Psaume 129), S 23
type: MusicAlbum
date published: 2015-04-17

Friederike Sailer / Margarete Bence / Susi Lautenbacher play: Johann Sebastian Bach: "Kommt, eilet und laufet, ihr flüchtigen Füsse" - Oratorium zum Osterfest, BWV 249
type: MusicAlbum
date published: 2015-01-23

Friederike Sailer / Susi Lautenbacher etc. / Stuttgarter Bach-Chor und Orchester / Marcel Couraud play: Johann Sebastian Bach: "Kommt, eilet und laufet, ihr flüchtigen Füsse" - Oratorium zum
type: MusicAlbum
date published: 2014-12-26

Stabat Mater
type: MusicAlbum
date published: 2000-01-01

Hans Sachs
type: MusicAlbum
date published: 2000-01-01

Vivaldi: Gloria, Stabat Mater & O qui coeli terraeque serenitas
type: MusicAlbum
date published: 1990

Bach: Cantates, BWV 8 & 110 (Stereo Version)
type: MusicAlbum
date published: 1963-01-01

Beethoven: Egmont, Op. 84 (Mono Version)
type: MusicAlbum
date published: 1962-01-01

Beethoven: Egmont, Op. 84 & Symphony No. 1, Op. 21 (Mono Version)
type: MusicAlbum
date published: 1959-01-01

Oster-Oratorium BWV 249
type: MusicAlbum
date published: 1958-01-01

Magnificat BWV 243 & Kantate BWV 31
type: MusicAlbum
date published: 1958-01-01

Brahms: Liebeslieder-Walzer, Op. 52 & 65 (Mono Version)
type: MusicAlbum
date published: 1957-01-01

Choeurs et Orchestre Philarmonique "Pro Musica" de Stuttgart play: Antonio Vivaldi: Gloria
type: MusicAlbum
date published: 1957

100 Volkslieder
type: MusicAlbum
date published: 2014-03-06
track: Gaudeamus igitur
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197687
  explicit: false
  by artist: Franz Ferdinand Moser
  in album: 100 Volkslieder
    type: MusicAlbum
    date published: 2014-03-06
  isrc code: QMVRR1301695
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:23:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2a0ac94d94b9bae296633cff8367dd13e09a84ee358cb6b3dbd3660af50bbcd3
  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/QMVRR1301695
  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 0x2a0ac94d94b9bae296633cff8367dd13e09a84ee358cb6b3dbd3660af50bbcd3. 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/QMVRR1301695.
    date published: 2026-07-08T03:20:19Z
  audio: Gaudeamus igitur
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 118.558
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.541
    additional property: Energy
      type: PropertyValue
      value: 0.158
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.959
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.359
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.318
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.954
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Vivaldi at Christmas
type: MusicAlbum
date published: 2018-11-30
track: Dixit Dominus, RV 594: IV. Tecum principium
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215370
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Vienna State Opera Orchestra
  by artist: Angelo Ephrikian
  by artist: Vienna Kammerchor
  in album: Vivaldi at Christmas
    type: MusicAlbum
    date published: 2018-11-30
  isrc code: USX760630329
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T09:30:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x704ddb7adfb23bd37120b06662850c4fac5f954daae521e676c8bf3cca3b5ee1
  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/USX760630329
  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 0x704ddb7adfb23bd37120b06662850c4fac5f954daae521e676c8bf3cca3b5ee1. 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/USX760630329.
    date published: 2026-07-08T03:20:19Z
  audio: Dixit Dominus, RV 594: IV. Tecum principium
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.593
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.302
    additional property: Energy
      type: PropertyValue
      value: 0.029
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.019
    additional property: Liveness
      type: PropertyValue
      value: 0.154
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.152
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.126
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Dixit Dominus, RV 594: V. Juravit Dominus
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198380
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Vienna State Opera Orchestra
  by artist: Angelo Ephrikian
  by artist: Vienna Kammerchor
  in album: Vivaldi at Christmas
    type: MusicAlbum
    date published: 2018-11-30
  isrc code: USX760630330
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T17:13:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2b60a89f61977951a4d26f01f13bf6ab4019674ef7cd07bfda0161f52a287a6d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  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/USX760630330
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 0x2b60a89f61977951a4d26f01f13bf6ab4019674ef7cd07bfda0161f52a287a6d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USX760630330.
    date published: 2026-07-08T03:53:27Z
  audio: Dixit Dominus, RV 594: V. Juravit Dominus
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.421
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.202
    additional property: Energy
      type: PropertyValue
      value: 0.189
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.981
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.018
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.075
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.872
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Dixit Dominus, RV 594: VIII. De torrente in via
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194141
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Vienna State Opera Orchestra
  by artist: Angelo Ephrikian
  by artist: Vienna Kammerchor
  in album: Vivaldi at Christmas
    type: MusicAlbum
    date published: 2018-11-30
  isrc code: USX760630333
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:41:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf34b7884552ddefcd790583d0e48d006ca81b756d8909444b9a93e55035367ba
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Dixit Dominus, RV 594: VIII. De torrente in via

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX760630333

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf34b7884552ddefcd790583d0e48d006ca81b756d8909444b9a93e55035367ba. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USX760630333.
date published: 2026-07-08T03:53:27Z

Dixit Dominus, RV 594: VIII. De torrente in via
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 124.105
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.261
additional property: Energy
  type: PropertyValue
  value: 0.066
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.983
additional property: Instrumentalness
  type: PropertyValue
  value: 0.153
additional property: Liveness
  type: PropertyValue
  value: 0.206
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.197
additional property: Loudness (dB)
  type: PropertyValue
  value: -23.302
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Antonio Vivaldi: Essential Vocal Works
type: MusicAlbum
date published: 2021-10-01

50 Best Of Volkslieder
type: MusicAlbum
date published: 2011-04-12

Johann Sebastian Bach Osteroratorium/Easter Oratorio
type: MusicAlbum
date published: 2009-01-16
track: Osteroratorium, BWV 249/Easter Oratorio, BWV 249: Sinfonia
track: Osteroratorium, BWV 249/Easter Oratorio, BWV 249: Duetto & Chorus: kommt, Eilet Und Laufet

111 Vivaldi Masterpieces
type: MusicAlbum
date published: 2011-03-29

111 Schubert Masterpieces
type: MusicAlbum
date published: 2010-06-24

Los Grandes de la Musica Clasica - Antonio Vivaldi Vol. 3
type: MusicAlbum
date published: 2015-06-20

Fritz Wunderlich, Vol. 6 (1956)
type: MusicAlbum
date published: 2012-11-01