Edith Mathis
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genre: classical
genre: opera
genre: requiem
description: Edith Mathis (; 11 February 19389 February 2025) was a Swiss soprano known for her roles in Mozart's operas. Early in her career, Cherubino in Le nozze di Figaro was her signature role that she perfor
popularity: 35
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album: Mozart: Acis and Galatea, K. 566 (Sung in German)
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album: Weber: Der Freischütz, J. 277
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  date published: 1973-01-01
  track: Der Freischütz, J. 277: Overture
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      date published: 1973-01-01
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  track: Der Freischütz, J. 277, Act I: Viktoria! Viktoria! - Bauern-Marsch - Schau der Herr mich an als König!
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  track: Der Freischütz, J. 277, Act I: Was gibt's hier?
  track: Der Freischütz, J. 277, Act I: O diese Sonne - Das Wild in Fluren und Triften
  track: Der Freischütz, J. 277, Act I: Walzer
  track: Der Freischütz, J. 277, Act I: Nein, länger trag' ich nicht die Qualen - Durch die Wälder, durch die Auen
  track: Der Freischütz, J. 277, Act I: Hier im irdschen Jammertal
  track: Der Freischütz, J. 277, Act I: Bruderherz!
  track: Der Freischütz, J. 277, Act I: Schweig, damit dich niemand warnt!
  track: Der Freischütz, J. 277, Act II: Schelm! Halt fest!
  track: Der Freischütz, J. 277, Act II: Kommt ein schlanker Bursch gegangen
  track: Der Freischütz, J. 277, Act II: Und der Bursch nicht minder schön
  track: Der Freischütz, J. 277, Act II: Wie nahte mir der Schlummer - Leise, leise, fromme Weise!
  track: Der Freischütz, J. 277, Act II: Wie? Was? Entsetzen!
  track: Der Freischütz, J. 277, Act II: Milch des Mondes fiel aufs Kraut - Samiel! Samiel! Erschein! - Ha! Furchtbar gähnt der düstre Abgrund
  track: Der Freischütz, J. 277, Act III: Entr'acte
  track: Der Freischütz, J. 277, Act III: Ein herrliches Jagdwetter!
  track: Der Freischütz, J. 277, Act III: Und ob die Wolke sie verhülle
  track: Der Freischütz, J. 277, Act III: Du hast dich dazugehalten!
  track: Der Freischütz, J. 277, Act III: Einst träumte meiner sel'gen Base - Trübe Augen, Liebchen, taugen
  track: Der Freischütz, J. 277, Act III: Wir winden dir den Jungfernkranz
  track: Der Freischütz, J. 277, Act III: Was gleicht wohl auf Erden dem Jägervergnügen?
  track: Der Freischütz, J. 277, Act III: Schaut, o schaut! Er traf die eigne Braut!
  track: Der Freischütz, J. 277, Act III: Wer legt auf ihn so strengen Bann?
album: Mozart: Le nozze di Figaro - Highlights
track: Missa brevis in G, K.49: 3. Credo
track: Requiem In D Minor, K.626 (Compl. By Franz Xaver Süssmayer): Kyrie (Auszug)
track: Missa brevis in G, K.49: 1. Kyrie
track: Missa brevis in G, K.49: 5. Benedictus

Der Freischütz, J. 277, Act II: Schelm! Halt fest!
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  date published: 2026-07-02T05:09:12Z
audio: Der Freischütz, J. 277, Act II: Schelm! Halt fest!
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Der Freischütz, J. 277, Act II: Kommt ein schlanker Bursch gegangen
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  date published: 2026-07-02T03:30:09Z
audio: Der Freischütz, J. 277, Act II: Kommt ein schlanker Bursch gegangen
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Der Freischütz, J. 277, Act II: Wie? Was? Entsetzen!
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audio: Der Freischütz, J. 277, Act II: Wie? Was? Entsetzen!
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Der Freischütz, J. 277, Act III: Einst träumte meiner sel'gen Base - Trübe Augen, Liebchen, taugen
type: MusicRecording
duration: PT6M10S
duration ms: 370000
explicit: false
by artist: Carl Maria von Weber
by artist: Edith Mathis
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Der Freischütz, J. 277, Act III: Einst träumte meiner sel'gen Base - Trübe Augen, Liebchen, taugen
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Der Freischütz, J. 277, Act III: Schaut, o schaut! Er traf die eigne Braut!
type: MusicRecording
duration: PT9M22S
duration ms: 562093
explicit: false
by artist: Carl Maria von Weber
by artist: Gundula Janowitz
by artist: Edith Mathis
by artist: Peter Schreier
by artist: Bernd Weikl
by artist: Siegfried Vogel
by artist: Theo Adam
by artist: MDR Leipzig Radio Chorus
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330231
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Der Freischütz, J. 277, Act III: Schaut, o schaut! Er traf die eigne Braut!
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Der Freischütz, J. 277, Act III: Wer legt auf ihn so strengen Bann?
type: MusicRecording
duration: PT9M19S
duration ms: 559186
explicit: false
by artist: Carl Maria von Weber
by artist: Gundula Janowitz
by artist: Edith Mathis
by artist: Peter Schreier
by artist: Bernd Weikl
by artist: Franz Crass
by artist: Siegfried Vogel
by artist: MDR Leipzig Radio Chorus
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Der Freischütz, J. 277, Act III: Wer legt auf ihn so strengen Bann?
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Le nozze di Figaro, K. 492, Act III: No. 21, Sull' aria... Che soave zeffiretto "Letter Duet"
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duration: PT3M31S
duration ms: 211026
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Edith Mathis
by artist: Gundula Janowitz
by artist: Orchester der Deutschen Oper Berlin
by artist: Karl Böhm
in album: Mozart: Le nozze di Figaro - Highlights
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
genre: classical-era
isrc code: DEF056830114
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830114
additional property: OTSTimestamp
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2571e35f8bb7ddffa9fbbbdace6d7387632712a251a3e5904657b7624150fce7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/DEF056830114.
  date published: 2026-06-13T17:25:41Z
audio: Le nozze di Figaro, K. 492, Act III: No. 21, Sull' aria... Che soave zeffiretto "Letter Duet"
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Le nozze di Figaro, K. 492, Act IV: No. 28a, Giunse alfin il momento
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duration: PT1M22S
duration ms: 82933
explicit: false
by artist: Wolfgang Amadeus Mozart
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by artist: Orchester der Deutschen Oper Berlin
by artist: Karl Böhm
in album: Mozart: Le nozze di Figaro - Highlights
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
genre: classical-era
isrc code: DEF056830177
additional property: CopyrightID
additional property: CopyrightStatus
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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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830177
additional property: OTSTimestamp
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492, Act IV: No. 28a, Giunse alfin il momento
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Le nozze di Figaro, K. 492, Act I: No. 2, Duet. Se a caso madama la notte ti chiama
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duration: PT2M36S
duration ms: 156626
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Edith Mathis
by artist: Hermann Prey
by artist: Orchester der Deutschen Oper Berlin
by artist: Karl Böhm
in album: Mozart: Le nozze di Figaro - Highlights
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426020da033afc6eab469abdbd9fd2851f00e4e5dadbbe4beae592895303f519. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/DEF056830103.
  date published: 2026-07-29T15:38:18Z
audio: Le nozze di Figaro, K. 492, Act I: No. 2, Duet. Se a caso madama la notte ti chiama
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
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  additional property: Danceability
    type: PropertyValue
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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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    value: 0.132
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.286
  additional property: Loudness (dB)
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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
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  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

Le nozze di Figaro, K. 492, Act II: No. 13, Venite inginocchiatevi
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by artist: Orchester der Deutschen Oper Berlin
by artist: Karl Böhm
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genre: classical
genre: classical-era
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  date published: 2026-07-30T02:05:19Z
audio: Le nozze di Figaro, K. 492, Act II: No. 13, Venite inginocchiatevi
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additional property: OTSVerifyInstructions
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Le nozze di Figaro, K. 492, Act IV: No. 28b, Deh vieni, non tardar
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duration: PT4M9S
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by artist: Wolfgang Amadeus Mozart
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by artist: Orchester der Deutschen Oper Berlin
by artist: Karl Böhm
in album: Mozart: Le nozze di Figaro - Highlights
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genre: classical
genre: classical-era
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  date published: 2026-07-30T15:42:38Z
audio: Le nozze di Figaro, K. 492, Act IV: No. 28b, Deh vieni, non tardar
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additional property: OTSVerifyInstructions
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Le nozze di Figaro, K. 492, Act IV: No. 29e-g, Finale. Gente, gente, all'armi... Questo giorno di tormenti
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duration: PT5M7S
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explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Barbara Vogel
by artist: Edith Mathis
by artist: Gundula Janowitz
by artist: Tatiana Troyanos
by artist: Patricia Johnson
by artist: Martin Vantin
by artist: Erwin Wohlfahrt
by artist: Hermann Prey
by artist: Dietrich Fischer-Dieskau
by artist: Klaus Hirte
by artist: Peter Lagger
by artist: Orchester der Deutschen Oper Berlin
by artist: Karl Böhm
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genre: classical
genre: classical-era
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  date published: 2026-07-29T23:39:29Z
audio: Le nozze di Figaro, K. 492, Act IV: No. 29e-g, Finale. Gente, gente, all'armi... Questo giorno di tormenti
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additional property: OTSVerifyInstructions
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Missa brevis in G, K.49: 3. Credo
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duration: PT9M0S
duration ms: 540000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Edith Mathis
by artist: Rosemarie Lang
by artist: Uwe Heilmann
by artist: Jan-Hendrik Rootering
by artist: MDR Leipzig Radio Chorus
by artist: MDR-Sinfonieorchester
by artist: Herbert Kegel
in album: Mozart: Complete Edition Box 10: Missae, Requiem etc
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popularity: 1
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Missa brevis in G, K.49: 3. Credo
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Requiem In D Minor, K.626 (Compl. By Franz Xaver Süssmayer): Kyrie (Auszug)
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duration: PT6M27S
duration ms: 387000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Edith Mathis
by artist: Wiener Philharmoniker
by artist: Karl Böhm
by artist: Wiener Staatsopernchor
in album: Dies Irae - The Essential Choral Collection
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popularity: 4
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
audio: Requiem In D Minor, K.626 (Compl. By Franz Xaver Süssmayer): Kyrie (Auszug)
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additional property: OTSVerifyInstructions
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Missa brevis in G, K.49: 1. Kyrie
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duration: PT2M0S
duration ms: 120000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Edith Mathis
by artist: Rosemarie Lang
by artist: Uwe Heilmann
by artist: Jan-Hendrik Rootering
by artist: MDR Leipzig Radio Chorus
by artist: MDR-Sinfonieorchester
by artist: Herbert Kegel
in album: Mozart: Complete Edition Box 10: Missae, Requiem etc
  type: MusicAlbum
  date published: 2000-01-01
popularity: 1
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T20:42:35Z
audio: Missa brevis in G, K.49: 1. Kyrie
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Missa brevis in G, K.49: 5. Benedictus
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duration: PT1M45S
duration ms: 105000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Edith Mathis
by artist: Rosemarie Lang
by artist: Uwe Heilmann
by artist: Jan-Hendrik Rootering
by artist: MDR Leipzig Radio Chorus
by artist: MDR-Sinfonieorchester
by artist: Herbert Kegel
in album: Mozart: Complete Edition Box 10: Missae, Requiem etc
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popularity: 1
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:59:18Z
audio: Missa brevis in G, K.49: 5. Benedictus
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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
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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: Liveness
    type: PropertyValue
    value: 0.192
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.222
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLA508802511
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: 960427
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:59:18+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508802511
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18+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

Speechiness
type: PropertyValue
value: 0.059

Acousticness
type: PropertyValue
value: 0.945

Instrumentalness
type: PropertyValue
value: 0.018

Liveness
type: PropertyValue
value: 0.767

Valence (Positivity)
type: PropertyValue
value: 0.325

Loudness (dB)
type: PropertyValue
value: -19.119

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Der Freischütz, J. 277, Act I: Was gibt's hier?
type: MusicRecording
duration: PT3M23S
duration ms: 203893
explicit: false
by artist: Carl Maria von Weber
by artist: Gerd Biewer
by artist: Peter Hölzel
by artist: Hans Jörn Weber
by artist: Gerhard Paul
by artist: Alfred Woronetzki
by artist: Monika Hildebrand
by artist: Use Rainer
by artist: Gerlind Schulze
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: DEF057330219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:22:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x91f3b4d74191c8bc902deb10113c134f9791c45587ecb150f6e5299112256516
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330219
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x91f3b4d74191c8bc902deb10113c134f9791c45587ecb150f6e5299112256516. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEF057330219.
  date published: 2026-07-02T03:55:08Z
audio: Der Freischütz, J. 277, Act I: Was gibt's hier?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.422
  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: 0.667
  additional property: Energy
    type: PropertyValue
    value: 0.363
  additional property: Speechiness
    type: PropertyValue
    value: 0.884
  additional property: Acousticness
    type: PropertyValue
    value: 0.443
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.878
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.241
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.838
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Freischütz, J. 277, Act I: O diese Sonne - Das Wild in Fluren und Triften
type: MusicRecording
duration: PT6M58S
duration ms: 418373
explicit: false
by artist: Carl Maria von Weber
by artist: Peter Schreier
by artist: Siegfried Vogel
by artist: Theo Adam
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
by artist: MDR Leipzig Radio Chorus
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
popularity: 24
genre: classical
genre: opera
isrc code: DEF057330220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T18:11:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5edfd07a1489ee18a3bfa3f27fb30f55c49aaa222f122afb243e5e08f98e1002
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x5edfd07a1489ee18a3bfa3f27fb30f55c49aaa222f122afb243e5e08f98e1002. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEF057330220.
  date published: 2026-06-13T15:41:10Z
audio: Der Freischütz, J. 277, Act I: O diese Sonne - Das Wild in Fluren und Triften
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.377
  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: 0.222
  additional property: Energy
    type: PropertyValue
    value: 0.276
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.132
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.923
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Freischütz, J. 277, Act I: Walzer
type: MusicRecording
duration: PT1M13S
duration ms: 73333
explicit: false
by artist: Carl Maria von Weber
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: DEF057330218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T21:03:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97738055bf8ba6f91278020d2140966997ec3d6629b72a362e584459483c6137
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x97738055bf8ba6f91278020d2140966997ec3d6629b72a362e584459483c6137. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEF057330218.
  date published: 2026-06-13T15:41:10Z
audio: Der Freischütz, J. 277, Act I: Walzer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.183
  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: 0.423
  additional property: Energy
    type: PropertyValue
    value: 0.51
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.947
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.933
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.588
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.341
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Freischütz, J. 277, Act I: Nein, länger trag' ich nicht die Qualen - Durch die Wälder, durch die Auen
type: MusicRecording
duration: PT6M37S
duration ms: 397773
explicit: false
by artist: Carl Maria von Weber
by artist: Peter Schreier
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: DEF057330204
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:10:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xabb52ca68c3ee85f98bcd815e21215d0e687f6d08bfdb5b3be0456a294fb8f9b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330204
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0xabb52ca68c3ee85f98bcd815e21215d0e687f6d08bfdb5b3be0456a294fb8f9b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEF057330204.
  date published: 2026-07-02T05:09:12Z
audio: Der Freischütz, J. 277, Act I: Nein, länger trag' ich nicht die Qualen - Durch die Wälder, durch die Auen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.484
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.315
  additional property: Energy
    type: PropertyValue
    value: 0.255
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.111
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.374
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Der Freischütz, J. 277, Act I: Hier im irdschen Jammertal
type: MusicRecording
duration: PT1M59S
duration ms: 119973
explicit: false
by artist: Carl Maria von Weber
by artist: Theo Adam
by artist: Gerhard Paul
by artist: Hans Jörn Weber
by artist: Gerlind Schulze
by artist: Alfred Woronetzki
by artist: Kurt W. Franke
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
popularity: 15
genre: classical
genre: opera
isrc code: DEF057330205
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T07:59:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa46161afaa2c9e8e16c076c75c7ec84f248ee9eddfda00aa90635da4d5002bf2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330205
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0xa46161afaa2c9e8e16c076c75c7ec84f248ee9eddfda00aa90635da4d5002bf2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEF057330205.
  date published: 2026-07-02T03:30:09Z
audio: Der Freischütz, J. 277, Act I: Hier im irdschen Jammertal
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.657
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.529
  additional property: Energy
    type: PropertyValue
    value: 0.4
  additional property: Speechiness
    type: PropertyValue
    value: 0.197
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.526
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.464
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.841
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Der Freischütz, J. 277, Act I: Bruderherz!
type: MusicRecording
duration: PT2M6S
duration ms: 126866
explicit: false
by artist: Carl Maria von Weber
by artist: Gerhard Paul
by artist: Hans Jörn Weber
by artist: Gerlind Schulze
by artist: Alfred Woronetzki
by artist: Kurt W. Franke
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: DEF057330223
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T03:58:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x321746d081e2218fe1aaffb337db993bfbe41b7da62dcdb1cf9938b7ab988deb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330223
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x321746d081e2218fe1aaffb337db993bfbe41b7da62dcdb1cf9938b7ab988deb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEF057330223.
  date published: 2026-07-02T03:55:08Z
audio: Der Freischütz, J. 277, Act I: Bruderherz!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.772
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.651
  additional property: Energy
    type: PropertyValue
    value: 0.432
  additional property: Speechiness
    type: PropertyValue
    value: 0.875
  additional property: Acousticness
    type: PropertyValue
    value: 0.422
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.224
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.31
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.142
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Der Freischütz, J. 277, Act I: Schweig, damit dich niemand warnt!
type: MusicRecording
duration: PT3M16S
duration ms: 196600
explicit: false
by artist: Carl Maria von Weber
by artist: Theo Adam
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
popularity: 12
genre: classical
genre: opera
isrc code: DEF057330206
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:24:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4d682784aa1a79a7990dc4471f04fd037580d6e402db575b6d10cbf0fb8a015a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330206
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x4d682784aa1a79a7990dc4471f04fd037580d6e402db575b6d10cbf0fb8a015a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEF057330206.
  date published: 2026-07-02T03:55:08Z
audio: Der Freischütz, J. 277, Act I: Schweig, damit dich niemand warnt!
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 112.552
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.381
  additional property: Energy
    type: PropertyValue
    value: 0.479
  additional property: Speechiness
    type: PropertyValue
    value: 0.094
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.163
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.173
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.714
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Freischütz, J. 277, Act II: Und der Bursch nicht minder schön
type: MusicRecording
duration: PT0M50S
duration ms: 50000
explicit: false
by artist: Carl Maria von Weber
by artist: Ingrid Hille
by artist: Regina Jeske
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: DEF057330225
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T02:59:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71ffe6e6e58697d7e589bae0f1997870757855c30a98fc849b0df71f76e8ad39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330225
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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 0x71ffe6e6e58697d7e589bae0f1997870757855c30a98fc849b0df71f76e8ad39. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEF057330225.
  date published: 2026-07-06T06:56:49Z
audio: Der Freischütz, J. 277, Act II: Und der Bursch nicht minder schön
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 105.597
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.697
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.694
  additional property: Acousticness
    type: PropertyValue
    value: 0.575
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.31
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.502
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.861
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Der Freischütz, J. 277, Act II: Wie nahte mir der Schlummer - Leise, leise, fromme Weise!
type: MusicRecording
duration: PT8M19S
duration ms: 499733
explicit: false
by artist: Carl Maria von Weber
by artist: Gundula Janowitz
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: DEF057330209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:06:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f15ef1e490e781689e8ca0c77d81dc685358b9e29d4fdd8fbda049837f584c2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x2f15ef1e490e781689e8ca0c77d81dc685358b9e29d4fdd8fbda049837f584c2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEF057330209.
  date published: 2026-07-02T03:30:09Z
audio: Der Freischütz, J. 277, Act II: Wie nahte mir der Schlummer - Leise, leise, fromme Weise!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.253
  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: 0.285
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.261
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.277
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Freischütz, J. 277, Act II: Milch des Mondes fiel aufs Kraut - Samiel! Samiel! Erschein! - Ha! Furchtbar gähnt der düstre Abgrund
type: MusicRecording
duration: PT16M34S
duration ms: 994986
explicit: false
by artist: Carl Maria von Weber
by artist: Gerhard Paul
by artist: Hans Jörn Weber
by artist: Peter Schreier
by artist: Theo Adam
by artist: MDR Leipzig Radio Chorus
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
popularity: 14
genre: classical
genre: opera
isrc code: DEF057330211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:01:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7f0bc602e3a5a0236a090f8598f195b13c9b15ad9fb7e508fe967eed2f40e350
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330211
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x7f0bc602e3a5a0236a090f8598f195b13c9b15ad9fb7e508fe967eed2f40e350. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEF057330211.
  date published: 2026-07-02T03:30:09Z
audio: Der Freischütz, J. 277, Act II: Milch des Mondes fiel aufs Kraut - Samiel! Samiel! Erschein! - Ha! Furchtbar gähnt der düstre Abgrund
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.87
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.25
  additional property: Energy
    type: PropertyValue
    value: 0.173
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.888
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.053
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.544
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Freischütz, J. 277, Act III: Entr'acte
type: MusicRecording
duration: PT1M45S
duration ms: 105560
explicit: false
by artist: Carl Maria von Weber
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: DEF057330212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:33:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd96e65753cc7d82ab9de29b7a2ca29a2816ad7c8232500b071da02a226de9ea7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330212
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0xd96e65753cc7d82ab9de29b7a2ca29a2816ad7c8232500b071da02a226de9ea7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEF057330212.
  date published: 2026-07-02T03:55:08Z
audio: Der Freischütz, J. 277, Act III: Entr'acte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.233
  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: 0.355
  additional property: Energy
    type: PropertyValue
    value: 0.316
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.942
  additional property: Liveness
    type: PropertyValue
    value: 0.472
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.194
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.392
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Freischütz, J. 277, Act III: Ein herrliches Jagdwetter!
type: MusicRecording
duration: PT2M9S
duration ms: 129440
explicit: false
by artist: Carl Maria von Weber
by artist: Friedrich Wilhelm Junge
by artist: August Hütten
by artist: Achim Schmidtchen
by artist: Hans Jörn Weber
by artist: Gerhard Paul
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: DEF057330227
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:20:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98ca3a579a3d902c430374f3e04d918939f801dc5e5644b2717c6355a2ed9ea3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330227
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0x98ca3a579a3d902c430374f3e04d918939f801dc5e5644b2717c6355a2ed9ea3. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEF057330227.
  date published: 2026-07-07T18:39:05Z
audio: Der Freischütz, J. 277, Act III: Ein herrliches Jagdwetter!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.424
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.591
  additional property: Energy
    type: PropertyValue
    value: 0.329
  additional property: Speechiness
    type: PropertyValue
    value: 0.924
  additional property: Acousticness
    type: PropertyValue
    value: 0.333
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.454
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.195
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.855
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Der Freischütz, J. 277, Act III: Und ob die Wolke sie verhülle
type: MusicRecording
duration: PT5M57S
duration ms: 357466
explicit: false
by artist: Carl Maria von Weber
by artist: Gundula Janowitz
by artist: Staatskapelle Dresden
by artist: Carlos Kleiber
in album: Weber: Der Freischütz, J. 277
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: DEF057330213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:58:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32b18ad1ef8e2078c1fcb8cad1454bd98f5efb673e316a9df00a0e6c7dd4fa87
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330213
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0x32b18ad1ef8e2078c1fcb8cad1454bd98f5efb673e316a9df00a0e6c7dd4fa87. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEF057330213.
  date published: 2026-06-13T13:32:09Z
audio: Der Freischütz, J. 277, Act III: Und ob die Wolke sie verhülle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.493
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.066
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.26
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
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Der Freischütz, J. 277, Act III: Du hast dich dazugehalten!
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by artist: Ingrid Hille
by artist: Regina Jeske
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T16:48:35Z
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Der Freischütz, J. 277, Act III: Wir winden dir den Jungfernkranz
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by artist: MDR Leipzig Radio Chorus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Der Freischütz, J. 277, Act III: Wir winden dir den Jungfernkranz
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Der Freischütz, J. 277, Act III: Was gleicht wohl auf Erden dem Jägervergnügen?
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by artist: Staatskapelle Dresden
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by artist: MDR Leipzig Radio Chorus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Der Freischütz, J. 277, Act III: Was gleicht wohl auf Erden dem Jägervergnügen?
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Mozart: Le nozze di Figaro - Highlights
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track: Le nozze di Figaro, K. 492: Overture
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  additional property: OTSVerifyInstructions
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    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
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    date published: 2026-07-02T03:55:08Z
  audio: Le nozze di Figaro, K. 492: Overture
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track: Le nozze di Figaro, K. 492, Act I: No. 4, La vendetta, oh, la vendetta!
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:39:05Z
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track: Le nozze di Figaro, K. 492, Act II: No. 11, Porgi amor
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  subject of: OpenTimestamps Proof of Existence
  audio: Le nozze di Figaro, K. 492, Act II: No. 11, Porgi amor
track: Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
track: Le nozze di Figaro, K. 492, Act III: No. 21, Sull' aria... Che soave zeffiretto "Letter Duet"
track: Le nozze di Figaro, K. 492, Act IV: No. 28a, Giunse alfin il momento
track: Le nozze di Figaro, K. 492, Act I: No. 2, Duet. Se a caso madama la notte ti chiama
track: Le nozze di Figaro, K. 492, Act II: No. 13, Venite inginocchiatevi
track: Le nozze di Figaro, K. 492, Act IV: No. 28b, Deh vieni, non tardar
track: Le nozze di Figaro, K. 492, Act IV: No. 29e-g, Finale. Gente, gente, all'armi... Questo giorno di tormenti

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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 0x99d3c17558ae6002f7e874bf92541a74bf6250510695503e2bf95b4365304798. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/DEF056830109.
date published: 2026-07-07T18:50:38Z

Le nozze di Figaro, K. 492, Act II: No. 11, Porgi amor
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Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
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