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genre: opera
description: thumb|Nina Stemme, Tosca, Wiener Staatsoper, 2012 Nina Maria Stemme (born Thöldte, 11 May 1963) is a Swedish dramatic soprano opera singer. Stemme "is regarded by today's opera fans as our era's grea
popularity: 20
followers: 2004
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    subject of: OpenTimestamps Proof of Existence
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    subject of: OpenTimestamps Proof of Existence
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album: Strauss, R: Four Last Songs, Final Scenes
album: Bach: Cantatas Nos. 56 and 82 / Brahms: 4 Ernste Gesange, Op. 121
album: In Flanders' Fields Vol. 40: Richard Wagner, Gösta Nystroem and August de Boeck
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album: Abbado A-Z: Beethoven
album: Frizzante: Celebrating Vocal Music Celebration
album: Opera Classics
album: Martinu: Greek Passion (Live 1999)

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date published: 2012-09-01
track: Tristan und Isolde, WWV 90, Act I: Prelude
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T05:15:54Z
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Wagner: Tannhäuser
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track: Tannhäuser, WWV 70, Act I: Overture - Der Venusberg
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T14:36:16Z
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  subject of: OpenTimestamps Proof of Existence
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track: Tannhäuser, WWV 70, Act I: Geliebter, sag! Wo weilt dein Sinn? (Venus, Tannhäuser)
track: Tannhäuser, WWV 70, Act II: Dort ist sie; nahe dich ihr ungestört! (Wolfram, Tannhäuser, Elisabeth)
track: Tannhäuser, WWV 70, Act III: Wohl wußt' ich hier sie im Gebet (Wolfram)
track: Tannhäuser, WWV 70, Act I: Dir töne Lob! (Tannhäuser, Venus)
track: Tannhäuser, WWV 70, Act II: Den Gott der Liebe sollst du preisen! (Tannhäuser, Elisabeth, Wolfram)
track: Tannhäuser, WWV 70, Act III: Beglückt darf nun dich, o Heimat (Elisabeth)
track: Tannhäuser, WWV 70, Act I: Geliebter, komm! (Venus)
track: Tannhäuser, WWV 70, Act II: Dich treff ich hier in dieser Halle (Landgraf, Elisabeth)
track: Tannhäuser, WWV 70, Act III: Allmächt'ge Jungfrau! Hör mein Flehen! (Elisabeth, Wolfram)
track: Tannhäuser, WWV 70, Act II: Freudig begrüßen wir die edle Halle
track: Tannhäuser, WWV 70, Act III: Wie Todesahnung (Wolfram)
track: Tannhäuser, WWV 70, Act I: Zieh hin, Wahnsinniger! (Venus, Tannhäuser)
track: Tannhäuser, WWV 70, Act III: O, du mein holder Abendstern (Wolfram)
track: Tannhäuser, WWV 70, Act I: Frau Holda kam aus dem Berg hervor (Hirt)
track: Tannhäuser, WWV 70, Act I: Zu dir wall ich, mein Jesus Christ (Hirt, Tannhäuser)
track: Tannhäuser, WWV 70, Act II: Auch ich darf mich so glücklich nennen (Tannhäuser, Walther)
track: Tannhäuser, WWV 70, Act I: Wer ist der dort in brünstigem Gebete? (Landgraf, Walther, Biterolf, Wolfram, Heinrich, Reinmar, Tannhäuser)
track: Tannhäuser, WWV 70, Act II: O Walter, der du also sangest (Tannhäuser, Biterolf, Landgraf, Wolfram)
track: Tannhäuser, WWV 70, Act III: Heil! Heil! Der Gnade Wunder Heil! (Walther, Heinrich, Wolfram, Biterolf, Reinmar, Landgraf)
track: Tannhäuser, WWV 70, Act II: Versammelt sind aus meinen Landen (Landgraf, Walther, Heinrich, Wolfram, Biterolf, Reinmar)

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date published: 2026-07-08T03:20:19Z

Tannhäuser, WWV 70, Act III: Introduction and Tannhäuser's pilgrimage
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Tannhäuser, WWV 70, Act I: Geliebter, sag! Wo weilt dein Sinn? (Venus, Tannhäuser)
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  date published: 2026-07-08T03:20:19Z
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Tannhäuser, WWV 70, Act II: Dort ist sie; nahe dich ihr ungestört! (Wolfram, Tannhäuser, Elisabeth)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Tannhäuser, WWV 70, Act II: Dort ist sie; nahe dich ihr ungestört! (Wolfram, Tannhäuser, Elisabeth)
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Tannhäuser, WWV 70, Act III: Wohl wußt' ich hier sie im Gebet (Wolfram)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Tannhäuser, WWV 70, Act I: Dir töne Lob! (Tannhäuser, Venus)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
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Tannhäuser, WWV 70, Act II: Den Gott der Liebe sollst du preisen! (Tannhäuser, Elisabeth, Wolfram)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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    value: -20.238
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act III: Beglückt darf nun dich, o Heimat (Elisabeth)
type: MusicRecording
duration: PT4M30S
duration ms: 270760
explicit: false
by artist: Richard Wagner
by artist: Nina Stemme
by artist: Christian Gerhaher
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Rundfunkchor Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200128
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:00:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcd77dd9211b4f3fd695f89a649249faf7f1802d9206fd1591b9f444f5728d69
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/NLE421200128
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd77dd9211b4f3fd695f89a649249faf7f1802d9206fd1591b9f444f5728d69. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200128 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser, WWV 70, Act III: Beglückt darf nun dich, o Heimat (Elisabeth)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.077
  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: 0.111
  additional property: Energy
    type: PropertyValue
    value: 0.093
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.06
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.29
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act I: Geliebter, komm! (Venus)
type: MusicRecording
duration: PT3M5S
duration ms: 185946
explicit: false
by artist: Richard Wagner
by artist: Marina Prudenskaya
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Rundfunkchor Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:02:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x246c69c0d3fa32131a59b79d41ce54ec18dda0045420f69da98de9e0f1c45f99
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/NLE421200104
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x246c69c0d3fa32131a59b79d41ce54ec18dda0045420f69da98de9e0f1c45f99. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200104 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser, WWV 70, Act I: Geliebter, komm! (Venus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.18
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.205
  additional property: Energy
    type: PropertyValue
    value: 0.073
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.903
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.041
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.302
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act II: Dich treff ich hier in dieser Halle (Landgraf, Elisabeth)
type: MusicRecording
duration: PT3M50S
duration ms: 230040
explicit: false
by artist: Richard Wagner
by artist: Albert Dohmen
by artist: Nina Stemme
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T09:31:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x015c77236ea3caa774f70d11ca638b70abb8237860e5226950cb022122592188
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960381
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960381
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200114
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x015c77236ea3caa774f70d11ca638b70abb8237860e5226950cb022122592188. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200114 — a six-check JSON result.
  date published: 2026-07-31T09:50:11Z
audio: Tannhäuser, WWV 70, Act II: Dich treff ich hier in dieser Halle (Landgraf, Elisabeth)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.507
  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: 0.209
  additional property: Energy
    type: PropertyValue
    value: 0.04
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.275
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.115
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.91
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act III: Allmächt'ge Jungfrau! Hör mein Flehen! (Elisabeth, Wolfram)
type: MusicRecording
duration: PT9M13S
duration ms: 553000
explicit: false
by artist: Richard Wagner
by artist: Nina Stemme
by artist: Christian Gerhaher
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200129
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:23:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x015d788f8896f2efd2b47f068f9c89f9925aab12e58cf6fe0ae5c10868badc99
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200129
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x015d788f8896f2efd2b47f068f9c89f9925aab12e58cf6fe0ae5c10868badc99. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200129 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Tannhäuser, WWV 70, Act III: Allmächt'ge Jungfrau! Hör mein Flehen! (Elisabeth, Wolfram)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.366
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.143
  additional property: Energy
    type: PropertyValue
    value: 0.008
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.032
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.22
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act II: Freudig begrüßen wir die edle Halle
type: MusicRecording
duration: PT7M17S
duration ms: 437160
explicit: false
by artist: Richard Wagner
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:46:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x492cd637ac1b17835eb7f0beb6d04c67ff5b95c7508eb621ddfc31c27b883fc9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200115
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x492cd637ac1b17835eb7f0beb6d04c67ff5b95c7508eb621ddfc31c27b883fc9. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200115 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Tannhäuser, WWV 70, Act II: Freudig begrüßen wir die edle Halle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.219
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.152
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.758
  additional property: Liveness
    type: PropertyValue
    value: 0.222
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.185
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.181
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act III: Wie Todesahnung (Wolfram)
type: MusicRecording
duration: PT1M53S
duration ms: 113400
explicit: false
by artist: Richard Wagner
by artist: Christian Gerhaher
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:11:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb351bcbfc21659fde6f08835b81afef9a99e9954335d1c2bc8d633a7cdffb02e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200130
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb351bcbfc21659fde6f08835b81afef9a99e9954335d1c2bc8d633a7cdffb02e. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200130 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Tannhäuser, WWV 70, Act III: Wie Todesahnung (Wolfram)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.391
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.096
  additional property: Energy
    type: PropertyValue
    value: 0.006
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.9
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.405
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -37.378
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser, WWV 70, Act I: Zieh hin, Wahnsinniger! (Venus, Tannhäuser)
type: MusicRecording
duration: PT3M17S
duration ms: 197506
explicit: false
by artist: Richard Wagner
by artist: Marina Prudenskaya
by artist: Robert Dean Smith
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T22:22:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e26f92186369dbcd188ece9a1b23ff236a0b4361d0366377052321d09d4991a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e26f92186369dbcd188ece9a1b23ff236a0b4361d0366377052321d09d4991a. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200106 — a six-check JSON result.
  date published: 2026-07-31T23:30:38Z
audio: Tannhäuser, WWV 70, Act I: Zieh hin, Wahnsinniger! (Venus, Tannhäuser)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.118
  additional property: Musical Key
    type: PropertyValue
    value: 10
  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: 0.282
  additional property: Energy
    type: PropertyValue
    value: 0.276
  additional property: Speechiness
    type: PropertyValue
    value: 0.084
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.865
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.869
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act III: O, du mein holder Abendstern (Wolfram)
type: MusicRecording
duration: PT2M57S
duration ms: 177253
explicit: false
by artist: Richard Wagner
by artist: Christian Gerhaher
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200131
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T03:00:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb190c6f174e2daa99c2ffcb4dc940265e1298907edf4d9cd1884e9cf4864d9d0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960340
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960340
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200131
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T03:15:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb190c6f174e2daa99c2ffcb4dc940265e1298907edf4d9cd1884e9cf4864d9d0. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200131 — a six-check JSON result.
  date published: 2026-07-31T03:15:04Z
audio: Tannhäuser, WWV 70, Act III: O, du mein holder Abendstern (Wolfram)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.701
  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: 0.109
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.175
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act I: Frau Holda kam aus dem Berg hervor (Hirt)
type: MusicRecording
duration: PT5M22S
duration ms: 322480
explicit: false
by artist: Richard Wagner
by artist: Bianca Reim
by artist: Robert Dean Smith
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Rundfunkchor Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:31:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x801d14a8c761c3f252609b1f0a2f9ab9a7d5c7a5414d778128330519d1da3a86
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/NLE421200107
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x801d14a8c761c3f252609b1f0a2f9ab9a7d5c7a5414d778128330519d1da3a86. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200107 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser, WWV 70, Act I: Frau Holda kam aus dem Berg hervor (Hirt)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.143
  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: 0.08
  additional property: Energy
    type: PropertyValue
    value: 0.01
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.169
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.91
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act I: Zu dir wall ich, mein Jesus Christ (Hirt, Tannhäuser)
type: MusicRecording
duration: PT3M22S
duration ms: 202320
explicit: false
by artist: Richard Wagner
by artist: Robert Dean Smith
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Rundfunkchor Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:44:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2e86404aa699929f453043f7a2be51306468bd5c272a910f959fab0bfcc0d36
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2e86404aa699929f453043f7a2be51306468bd5c272a910f959fab0bfcc0d36. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200108 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Tannhäuser, WWV 70, Act I: Zu dir wall ich, mein Jesus Christ (Hirt, Tannhäuser)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.765
  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: 0.087
  additional property: Energy
    type: PropertyValue
    value: 0.02
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.937
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.208
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.583
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act II: Auch ich darf mich so glücklich nennen (Tannhäuser, Walther)
type: MusicRecording
duration: PT3M26S
duration ms: 206600
explicit: false
by artist: Richard Wagner
by artist: Robert Dean Smith
by artist: Peter Sonn
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Rundfunkchor Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200118
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:43:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e82973252e21c9ac546e7d1ee987d450e944cf18a31cfc180747698d8ee3f94
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/NLE421200118
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e82973252e21c9ac546e7d1ee987d450e944cf18a31cfc180747698d8ee3f94. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200118 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser, WWV 70, Act II: Auch ich darf mich so glücklich nennen (Tannhäuser, Walther)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.424
  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: 0.297
  additional property: Energy
    type: PropertyValue
    value: 0.09
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.4
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.316
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.366
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act I: Wer ist der dort in brünstigem Gebete? (Landgraf, Walther, Biterolf, Wolfram, Heinrich, Reinmar, Tannhäuser)
type: MusicRecording
duration: PT4M50S
duration ms: 290333
explicit: false
by artist: Richard Wagner
by artist: Albert Dohmen
by artist: Peter Sonn
by artist: Wilhelm Schwinghammer
by artist: Christian Gerhaher
by artist: Michael McCown
by artist: Martin Snell
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:10:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b3f80edb2a83fd6111e67cebe4b1261249e5d63f4885d67962011436d7bce9c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960435
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960435
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200109
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:33:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b3f80edb2a83fd6111e67cebe4b1261249e5d63f4885d67962011436d7bce9c. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200109 — a six-check JSON result.
  date published: 2026-07-31T16:33:26Z
audio: Tannhäuser, WWV 70, Act I: Wer ist der dort in brünstigem Gebete? (Landgraf, Walther, Biterolf, Wolfram, Heinrich, Reinmar, Tannhäuser)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.263
  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: 0.259
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.199
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.184
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.3
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser, WWV 70, Act II: O Walter, der du also sangest (Tannhäuser, Biterolf, Landgraf, Wolfram)
type: MusicRecording
duration: PT4M32S
duration ms: 272440
explicit: false
by artist: Richard Wagner
by artist: Robert Dean Smith
by artist: Wilhelm Schwinghammer
by artist: Albert Dohmen
by artist: Christian Gerhaher
by artist: Marek Janowski
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Rundfunkchor Berlin
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: NLE421200119
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:44:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3377aa00ed45d72ca7a19a13757a55fed03340433cb4f8f5015c184c3d1ecacc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200119
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3377aa00ed45d72ca7a19a13757a55fed03340433cb4f8f5015c184c3d1ecacc. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200119 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Tannhäuser, WWV 70, Act II: O Walter, der du also sangest (Tannhäuser, Biterolf, Landgraf, Wolfram)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.602
  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: 0.39
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.917
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.376
  additional property: Loudness (dB)
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Tannhäuser, WWV 70, Act III: Heil! Heil! Der Gnade Wunder Heil! (Walther, Heinrich, Wolfram, Biterolf, Reinmar, Landgraf)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Tannhäuser, WWV 70, Act II: Versammelt sind aus meinen Landen (Landgraf, Walther, Heinrich, Wolfram, Biterolf, Reinmar)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
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Beethoven: Fidelio
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
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track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Introduction - Gott! welch Dunkel hier! - In des Lebens Frühlingstagen
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    date published: 2026-07-02T03:30:09Z
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track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 1, Duet. Jetzt, Schätzchen, jetzt sind wir allein
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  audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 1, Duet. Jetzt, Schätzchen, jetzt sind wir allein
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Melodrama. Wie kalt ist es in diesem unterirdischen Gewölbe... Duet. Nur hurtig fort, nur frisch gegraben
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Dialogue. Ihr habt wieder geruht
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 2, Aria. O wär ich schon mit dir vereint
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Euch werde Lohn in bessern Welten
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Ich täusche die Menschen
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 3, Quartet. Mir ist so wunderbar
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Quartet. Er sterbe!
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Duet. O namenlose Freude!
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 4, Aria. Hat man nicht auch Gold beineben
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Finale. Heil sei dem Tag… Des besten Königs Wink und Wille... Wer ein holdes Weib errungen
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. In den finstersten Gewolben sitzt ein Gefangener
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 5, Trio. Gut Söhnchen, gut
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 6, March – Dialogue. Drei Schildwachen auf den Wall
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Etwas neues vorgefallen?
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 7, Aria & Chorus. Ha! Welch ein Augenblick!
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 8, Duet. Jetzt, Alter, jetzt hat es Eile!
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 9, Recit. Abscheulicher! – Aria. Komm, Hoffnung, lass den letzten Stern
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 10, O welche Lust, in freier Luft "Prisoners' Chorus"
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Nun sprecht, wie ging's?
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Ach! Vater, Vater, eilt!
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Verwegener Alter
track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Leb wohl, du warmes Sonnenlicht

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date published: 2026-07-02T03:30:09Z

Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 1, Duet. Jetzt, Schätzchen, jetzt sind wir allein
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Melodrama. Wie kalt ist es in diesem unterirdischen Gewölbe... Duet. Nur hurtig fort, nur frisch gegraben
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20bcc94c511bddd5e9cdec3b4794bd116e42963b7b9a329e46a4ec0cca46b677. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045724 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Melodrama. Wie kalt ist es in diesem unterirdischen Gewölbe... Duet. Nur hurtig fort, nur frisch gegraben
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Dialogue. Ihr habt wieder geruht
type: MusicRecording
duration: PT0M33S
duration ms: 33160
explicit: false
by artist: Ludwig van Beethoven
by artist: Christof Fischesser
by artist: Jonas Kaufmann
by artist: Nina Stemme
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 5
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045725
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045725
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x072bce8f9660a24622d29aa85684eb4891987baa755b50077edb21f2a0c502f4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045725 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Dialogue. Ihr habt wieder geruht
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 2, Aria. O wär ich schon mit dir vereint
type: MusicRecording
duration: PT3M41S
duration ms: 221266
explicit: false
by artist: Ludwig van Beethoven
by artist: Rachel Harnisch
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 13
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045704
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:05:24+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x7c5c1924f51f962ab03d1f0159878dad5ff04e64e3848706cfc14ba172417296
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/GBBBA1045704
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c5c1924f51f962ab03d1f0159878dad5ff04e64e3848706cfc14ba172417296. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045704 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 2, Aria. O wär ich schon mit dir vereint
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Euch werde Lohn in bessern Welten
type: MusicRecording
duration: PT6M31S
duration ms: 391173
explicit: false
by artist: Ludwig van Beethoven
by artist: Jonas Kaufmann
by artist: Nina Stemme
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 7
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045726
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:01:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf1959f5a496784f5b6b03ee3bce991487d8dbad80dc996c588c07fbbf01bfc7
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/GBBBA1045726
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf1959f5a496784f5b6b03ee3bce991487d8dbad80dc996c588c07fbbf01bfc7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045726 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Euch werde Lohn in bessern Welten
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Ich täusche die Menschen
type: MusicRecording
duration: PT0M54S
duration ms: 54493
explicit: false
by artist: Ludwig van Beethoven
by artist: Nina Stemme
by artist: Christof Fischesser
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 9
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045705
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-20T23:50:05+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xa82d1503eed181a6cd87d74cf60c54511d62ed3941e73f6cbab4773f247c0e7c
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/GBBBA1045705
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa82d1503eed181a6cd87d74cf60c54511d62ed3941e73f6cbab4773f247c0e7c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045705 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Ich täusche die Menschen
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 3, Quartet. Mir ist so wunderbar
type: MusicRecording
duration: PT4M31S
duration ms: 271400
explicit: false
by artist: Ludwig van Beethoven
by artist: Rachel Harnisch
by artist: Nina Stemme
by artist: Christof Fischesser
by artist: Christoph Strehl
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 15
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045706
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:46:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75257544ee1b22c870723a373e76c2295b264a3b821a73d9ce68f7ceebd13282
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/GBBBA1045706
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75257544ee1b22c870723a373e76c2295b264a3b821a73d9ce68f7ceebd13282. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045706 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 3, Quartet. Mir ist so wunderbar
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Quartet. Er sterbe!
type: MusicRecording
duration: PT5M2S
duration ms: 302573
explicit: false
by artist: Ludwig van Beethoven
by artist: Falk Struckmann
by artist: Jonas Kaufmann
by artist: Nina Stemme
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 7
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045728
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-24T11:01:50+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045728
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x245d601c9867dcaabb1adcd01f98bda98cb1340f9d2a911b6a2a719f7fcaceb6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045728 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Quartet. Er sterbe!
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Duet. O namenlose Freude!
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duration: PT3M4S
duration ms: 184293
explicit: false
by artist: Ludwig van Beethoven
by artist: Nina Stemme
by artist: Jonas Kaufmann
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 9
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045729
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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
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Duet. O namenlose Freude!
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 4, Aria. Hat man nicht auch Gold beineben
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duration: PT2M34S
duration ms: 154813
explicit: false
by artist: Ludwig van Beethoven
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
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  date published: 2011-06-13
popularity: 10
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80a59558a0ee700828d289600624541442ccd06dde642738cf12700df989a93d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045708 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 4, Aria. Hat man nicht auch Gold beineben
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Finale. Heil sei dem Tag… Des besten Königs Wink und Wille... Wer ein holdes Weib errungen
type: MusicRecording
duration: PT13M46S
duration ms: 826186
explicit: false
by artist: Ludwig van Beethoven
by artist: Peter Mattei
by artist: Christof Fischesser
by artist: Falk Struckmann
by artist: Jonas Kaufmann
by artist: Nina Stemme
by artist: Rachel Harnisch
by artist: Christoph Strehl
by artist: Arnold Schoenberg Chor
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045730
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Finale. Heil sei dem Tag… Des besten Königs Wink und Wille... Wer ein holdes Weib errungen
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. In den finstersten Gewolben sitzt ein Gefangener
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duration: PT0M30S
duration ms: 30453
explicit: false
by artist: Ludwig van Beethoven
by artist: Christof Fischesser
in album: Beethoven: Fidelio
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  date published: 2011-06-13
popularity: 8
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045709
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: 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/GBBBA1045709
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T14:28:24Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c093ea262cb8872e233cef306dc2f80a27985ee06f8fc046895671e61c231c3. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045709 — a six-check JSON result.
  date published: 2026-07-29T14:28:24Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. In den finstersten Gewolben sitzt ein Gefangener
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 5, Trio. Gut Söhnchen, gut
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duration: PT6M38S
duration ms: 398840
explicit: false
by artist: Ludwig van Beethoven
by artist: Christof Fischesser
by artist: Nina Stemme
by artist: Rachel Harnisch
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045710
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
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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/GBBBA1045710
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 5, Trio. Gut Söhnchen, gut
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 6, March – Dialogue. Drei Schildwachen auf den Wall
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duration ms: 128186
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by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
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  date published: 2011-06-13
popularity: 9
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045711
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae17020e64071b84add07df490bffd018719e9431adf854efbe3a91c6697333a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045711 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 6, March – Dialogue. Drei Schildwachen auf den Wall
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Etwas neues vorgefallen?
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duration: PT0M48S
duration ms: 48933
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  type: MusicAlbum
  date published: 2011-06-13
popularity: 8
genre: classical
genre: classical-piano
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Etwas neues vorgefallen?
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 7, Aria & Chorus. Ha! Welch ein Augenblick!
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duration ms: 210586
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by artist: Ludwig van Beethoven
by artist: Falk Struckmann
by artist: Arnold Schoenberg Chor
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 9
genre: classical
genre: classical-piano
genre: chamber-music
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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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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 7, Aria & Chorus. Ha! Welch ein Augenblick!
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 8, Duet. Jetzt, Alter, jetzt hat es Eile!
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by artist: Ludwig van Beethoven
by artist: Falk Struckmann
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 8
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045715
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additional property: OTSVerificationAPI
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 8, Duet. Jetzt, Alter, jetzt hat es Eile!
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 9, Recit. Abscheulicher! – Aria. Komm, Hoffnung, lass den letzten Stern
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duration: PT7M22S
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by artist: Ludwig van Beethoven
by artist: Nina Stemme
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045716
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc796c0a32527ab03ac7fa50e602545125e19c1b4af93cae8892d5ed4457bcba6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045716 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 9, Recit. Abscheulicher! – Aria. Komm, Hoffnung, lass den letzten Stern
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 10, O welche Lust, in freier Luft "Prisoners' Chorus"
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duration: PT6M56S
duration ms: 416173
explicit: false
by artist: Ludwig van Beethoven
by artist: Juan Sebastian Acosta
by artist: Levente Pall
by artist: Arnold Schoenberg Chor
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 20
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045718
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045718
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x950e74b7e29cf45401fb400b5a4d102b43caff3e1aad1ad6fbaf712b3375d87e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045718 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 10, O welche Lust, in freier Luft "Prisoners' Chorus"
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Nun sprecht, wie ging's?
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duration: PT5M19S
duration ms: 319906
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by artist: Ludwig van Beethoven
by artist: Nina Stemme
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 7
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045719
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additional property: OTSVerificationAPI
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d4856044dbac635b29f3a1c6555fc5783806ecf5dc0970be06c546b88fcf764. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045719 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Nun sprecht, wie ging's?
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Ach! Vater, Vater, eilt!
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duration: PT0M41S
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by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
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popularity: 6
genre: classical
genre: classical-piano
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isrc code: GBBBA1045720
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fe94c1519ca2e56044f8ad79e519c5479a538b0d35900fef3bc793d29e9910e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045720 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Ach! Vater, Vater, eilt!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.745
  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: 0.573
  additional property: Energy
    type: PropertyValue
    value: 0.252
  additional property: Speechiness
    type: PropertyValue
    value: 0.282
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.514
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.483
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.592
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Verwegener Alter
type: MusicRecording
duration: PT1M49S
duration ms: 109626
explicit: false
by artist: Ludwig van Beethoven
by artist: Falk Struckmann
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 6
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045721
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:00:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x274a381537d6249a15785f4d1cdd41dff5b915f29b435b004fa054e29e0081c3
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/GBBBA1045721
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x274a381537d6249a15785f4d1cdd41dff5b915f29b435b004fa054e29e0081c3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045721 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Verwegener Alter
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.994
  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: 0.385
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.203
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.354
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.634
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Leb wohl, du warmes Sonnenlicht
type: MusicRecording
duration: PT3M44S
duration ms: 224666
explicit: false
by artist: Ludwig van Beethoven
by artist: Nina Stemme
by artist: Rachel Harnisch
by artist: Christoph Strehl
by artist: Falk Struckmann
by artist: Christof Fischesser
by artist: Arnold Schoenberg Chor
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 7
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045722
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T22:15:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46751f8b5a0f90903e68beb7b3e583d4ef5612b5c01e704db044dadb4d525b9f
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/GBBBA1045722
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46751f8b5a0f90903e68beb7b3e583d4ef5612b5c01e704db044dadb4d525b9f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045722 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Leb wohl, du warmes Sonnenlicht
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.814
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.293
  additional property: Energy
    type: PropertyValue
    value: 0.174
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.135
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.234
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.985
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Operatic Pappano
type: MusicAlbum
date published: 2024-06-15
track: Rossini: Guillaume Tell: Overture
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348986
  explicit: false
  by artist: Gioachino Rossini
  by artist: Antonio Pappano
  by artist: Gabriele Gemignani
  by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
  in album: Operatic Pappano
    type: MusicAlbum
    date published: 2024-06-15
  popularity: 5
  genre: classical
  genre: opera
  isrc code: GBAYC1702685
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T21:42:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x244622bdb0ec93165a5909acea1a1df05cfd2dacc037922e714fbd0ddfce0b2e
  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/GBAYC1702685
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x244622bdb0ec93165a5909acea1a1df05cfd2dacc037922e714fbd0ddfce0b2e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1702685 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Rossini: Guillaume Tell: Overture
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.018
    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: 0.234
    additional property: Energy
      type: PropertyValue
      value: 0.132
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.899
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.313
    additional property: Liveness
      type: PropertyValue
      value: 0.159
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.206
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.299
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Wiener Staatsoper Live: Nina Stemme Sings Wagner
type: MusicAlbum
date published: 2017-11-17

Plácido Domingo Sings Wagner
type: MusicAlbum
date published: 2022-08-12
track: Wagner: Siegfried, Act 1: "Notung! Notung! Neidliches Schwert!" (Siegfried, Mime)
  type: MusicRecording
  duration: PT8M15S
  duration ms: 495693
  explicit: false
  by artist: Richard Wagner
  by artist: Plácido Domingo
  by artist: David Cangelosi
  by artist: Antonio Pappano
  by artist: Orchestra of the Royal Opera House, Covent Garden
  in album: Plácido Domingo Sings Wagner
    type: MusicAlbum
    date published: 2022-08-12
  genre: classical
  genre: opera
  isrc code: GBAYC0102798
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T02:20:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x843c10afa15180aea891f9a0702ffba658d72c4945205d1c6e7ea3691d3d4637
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960337
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960337
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0102798
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T02:51:48Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843c10afa15180aea891f9a0702ffba658d72c4945205d1c6e7ea3691d3d4637. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0102798 — a six-check JSON result.
    date published: 2026-07-31T02:51:48Z
  audio: Wagner: Siegfried, Act 1: "Notung! Notung! Neidliches Schwert!" (Siegfried, Mime)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.764
    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: 0.184
    additional property: Energy
      type: PropertyValue
      value: 0.248
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.935
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.553
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.254
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.457
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Wagner: Siegfried, Act 1: "Was am besten er kann" - "Ho-ho! Ho-hei! Schmiede, mein Hammer" (Siegfried, Mime)
  type: MusicRecording
  duration: PT6M20S
  duration ms: 380400
  explicit: false
  by artist: Richard Wagner
  by artist: Plácido Domingo
  by artist: David Cangelosi
  by artist: Antonio Pappano
  by artist: Orchestra of the Royal Opera House, Covent Garden
  in album: Plácido Domingo Sings Wagner
    type: MusicAlbum
    date published: 2022-08-12
  genre: classical
  genre: opera
  isrc code: GBAYC0102802
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T17:34:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x29de35bfc1764bf7f64157e6668e9224c19cd7eb5c6217ef2b227ed8db369e8b
  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/GBAYC0102802
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29de35bfc1764bf7f64157e6668e9224c19cd7eb5c6217ef2b227ed8db369e8b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0102802 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Wagner: Siegfried, Act 1: "Was am besten er kann" - "Ho-ho! Ho-hei! Schmiede, mein Hammer" (Siegfried, Mime)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.453
    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: 0.356
    additional property: Energy
      type: PropertyValue
      value: 0.278
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.917
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.047
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.427
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.026
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Wagner: Siegfried, Act 2: "Dass der mein Vater nicht ist" - Waldweben. "Du holdes Vöglein" (Siegfried)
  type: MusicRecording
  duration: PT10M41S
  duration ms: 641973
  explicit: false
  by artist: Richard Wagner
  by artist: Plácido Domingo
  by artist: Antonio Pappano
  by artist: Orchestra of the Royal Opera House, Covent Garden
  in album: Plácido Domingo Sings Wagner
    type: MusicAlbum
    date published: 2022-08-12
  genre: classical
  genre: opera
  isrc code: GBAYC0102803
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  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: Wagner: Siegfried, Act 2: "Dass der mein Vater nicht ist" - Waldweben. "Du holdes Vöglein" (Siegfried)
track: Wagner: Die Walküre, Act 1: "Winterstürme wichen dem Wonnemond" (Siegmund)

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T17:47:56+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xbd2e394528209255a68e3813c8e6d4885a303f3ad5fea48b45559fb9eb2ff3b8

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960448

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960448

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0102803

OTSTimestamp
type: PropertyValue
value: 2026-07-31T18:48:12Z

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

OpenTimestamps Proof of Existence
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date published: 2026-07-31T18:48:12Z

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  date published: 2026-07-06T06:56:49Z
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track: Puccini: Manon Lescaut, Act 1: "Donna non vidi mai simile a questa!" (Des Grieux)
track: Verdi: Un ballo in maschera, Act 3 Tableau 2: No. 14, Scena e Romanza, "Forse la soglia attinse … Ma se m'è forza perderti" (Gustavo)
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track: Bizet: Les Pêcheurs de Perles: C'est toi ... Au fond du temple saint
track: Verdi: La forza del destino, Act 3 Scene 1: "O tu che seno agli angeli" (Alvaro)
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track: Verdi: Don Carlo (1886 Modena Five-Act Version), Act 1: No. 1, Introduzione, "Su, cacciator!" (Chorus) - No. 2, Scena e Romanza, "Fontainebleau! Foresta immensa … Io la vidi" (Don Carlo)
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track: Verdi: Don Carlo, Act 2: "Dio, che nell'alma infondere amor" (Don Carlo, Rodrigo, Coro, Il Frate)
track: Puccini: Tosca, Act 1: "Dammi i colori... Recondita armonia" (Cavaradossi, Sagrestano)
track: Verdi: Macbeth, Act 4: Scena. "O figli, o figli miei!" - Aria. "Ah, la paterna mano" (MacDuff)
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track: Verdi: Ernani, Act 1: Recitativo. "Mercè, diletti amici" - Cavatina. "Come rugiada al cespite" (Ernani, Coro)
track: Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
track: Verdi: Ernani, Act 1: "Dell' esilio, nel dolore" (Ernani, Coro)
track: Verdi: Otello, Act 1 Scene 3: "Già nella notte densa … Mio superbo guerrier! … Venga la morte!" (Otello, Desdemona)
track: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
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track: Puccini: Tosca, Act 3: "Ah! Franchigia a Floria Tosca" (Cavaradossi, Tosca)
track: Mozart: Così fan tutte, K. 588, Act 1 Scene 12: No. 17, Aria, "Un'aura amorosa del nostro tesoro" (Ferrando)
track: La Traviata: Libiamo, ne' lieti calci (Brindisi)
track: Sieczyński: Wien, du Stadt meiner Träume, Op. 1
track: Puccini: La bohème, Act 4: "In un coupé" - "O Mimì tu più non torni" (Rodolfo, Marcello)
track: Das Land des Lächelns: Dein ist mein ganzes Herz!
track: Puccini: La fanciulla del West, Act 3: "Ch'ella mi creda libero e lontano" (Johnson)

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date published: 2026-07-30T12:06:10Z

Verdi: Un ballo in maschera, Act I Tableau 2 No. 11: Su, profetessa - Di' tu se fedele (Horn, Ribbing, Oscar, Gustavo, Chorus)
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by artist: Plácido Domingo
by artist: Riccardo Muti
by artist: New Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8501394
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:20:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8c1f8f536495f3e3ac8e929ba851d0f86dd286b8151f718750c4c9cfa86c3a5
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/GBAYC8501394
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c1f8f536495f3e3ac8e929ba851d0f86dd286b8151f718750c4c9cfa86c3a5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8501394 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Verdi: Un ballo in maschera, Act 3 Tableau 2: No. 14, Scena e Romanza, "Forse la soglia attinse … Ma se m'è forza perderti" (Gustavo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.608
  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: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.16
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.053
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.443
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Manon Lescaut, Act 2: "Oh, sarò la più bella!" (Manon, Des Grieux)
type: MusicRecording
duration: PT8M8S
duration ms: 488733
explicit: false
by artist: Giacomo Puccini
by artist: Bruno Bartoletti
by artist: Plácido Domingo
by artist: New Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC9302393
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:35:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8edd749eb3d3f1808ec55497b6a3195d2ac6c07367a24e2b29d7b78ebc7d0cbf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9302393
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8edd749eb3d3f1808ec55497b6a3195d2ac6c07367a24e2b29d7b78ebc7d0cbf. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9302393 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Puccini: Manon Lescaut, Act 2: "Oh, sarò la più bella!" (Manon, Des Grieux)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.2
  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: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.23
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.113
  additional property: Liveness
    type: PropertyValue
    value: 0.064
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.091
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.833
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bizet: Les Pêcheurs de Perles: C'est toi ... Au fond du temple saint
type: MusicRecording
duration: PT8M3S
duration ms: 483186
explicit: false
by artist: Georges Bizet
by artist: Thomas Hampson
by artist: Eugene Kohn
by artist: Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC9500633
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:53:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4597d030f3787e1e6d1e36df2252274f4fabb394000e164e6c4c1da3e2025eab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960362
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9500633
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:58:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4597d030f3787e1e6d1e36df2252274f4fabb394000e164e6c4c1da3e2025eab. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9500633 — a six-check JSON result.
  date published: 2026-07-31T06:58:00Z
audio: Bizet: Les Pêcheurs de Perles: C'est toi ... Au fond du temple saint
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.229
  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: 0.203
  additional property: Energy
    type: PropertyValue
    value: 0.18
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.022
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.081
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.121
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: La forza del destino, Act 3 Scene 1: "O tu che seno agli angeli" (Alvaro)
type: MusicRecording
duration: PT3M29S
duration ms: 209133
explicit: false
by artist: Giuseppe Verdi
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Muti
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8602526
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T05:51:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee0ef0e79afb779fb49a9b8c20e8212ec31fd86ef480e8271f9468e636764695
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8602526
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee0ef0e79afb779fb49a9b8c20e8212ec31fd86ef480e8271f9468e636764695. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8602526 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: Verdi: La forza del destino, Act 3 Scene 1: "O tu che seno agli angeli" (Alvaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.051
  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: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.166
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.193
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: La forza del destino, Act 3: "Solenne in quest'ora" (Don Alvaro, Don Carlo di Vargas)
type: MusicRecording
duration: PT4M4S
duration ms: 244693
explicit: false
by artist: Giuseppe Verdi
by artist: Riccardo Muti
by artist: Giorgio Zancanaro
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8601092
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T22:43:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb24f8ca17ab15bcd67d18c4b57b0333e0869e4e60deafc851ac11a86a07b02f
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/GBAYC8601092
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb24f8ca17ab15bcd67d18c4b57b0333e0869e4e60deafc851ac11a86a07b02f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8601092 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Verdi: La forza del destino, Act 3: "Solenne in quest'ora" (Don Alvaro, Don Carlo di Vargas)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.163
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.169
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.021
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.1
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.437
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: Don Carlo (1886 Modena Five-Act Version), Act 1: No. 1, Introduzione, "Su, cacciator!" (Chorus) - No. 2, Scena e Romanza, "Fontainebleau! Foresta immensa … Io la vidi" (Don Carlo)
type: MusicRecording
duration: PT4M27S
duration ms: 267253
explicit: false
by artist: Giuseppe Verdi
by artist: Plácido Domingo
by artist: Maria-Rosa del Campo
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Carlo Maria Giulini
by artist: Orch.Of Royal Opera House Covent Garden
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC0003622
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T20:55:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e9832bce09204f65948847721acf440185549d033e660e18e399c7e4030d0eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960317
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960317
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0003622
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T21:35:24Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e9832bce09204f65948847721acf440185549d033e660e18e399c7e4030d0eb. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0003622 — a six-check JSON result.
  date published: 2026-07-30T21:35:24Z
audio: Verdi: Don Carlo (1886 Modena Five-Act Version), Act 1: No. 1, Introduzione, "Su, cacciator!" (Chorus) - No. 2, Scena e Romanza, "Fontainebleau! Foresta immensa … Io la vidi" (Don Carlo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.563
  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: 0.187
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.72
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Manon Lescaut: Manon, senti
type: MusicRecording
duration: PT4M28S
duration ms: 268066
explicit: false
by artist: Giacomo Puccini
by artist: Montserrat Caballé
by artist: Bruno Bartoletti
by artist: New Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC1002056
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:33:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2bc4a55523279affeae8dbf3db9b8502b82b4ff24c687e9c7a524879379ac2a8
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/GBAYC1002056
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bc4a55523279affeae8dbf3db9b8502b82b4ff24c687e9c7a524879379ac2a8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002056 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Manon Lescaut: Manon, senti
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.172
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.24
  additional property: Energy
    type: PropertyValue
    value: 0.259
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.081
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.127
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Verdi: Don Carlo, Act 2: "Dio, che nell'alma infondere amor" (Don Carlo, Rodrigo, Coro, Il Frate)
type: MusicRecording
duration: PT5M2S
duration ms: 302506
explicit: false
by artist: Giuseppe Verdi
by artist: Carlo Maria Giulini
by artist: Ambrosian Opera Chorus
by artist: Plácido Domingo
by artist: Sherrill Milnes
by artist: Simon Estes
by artist: Orchestra of the Royal Opera House, Covent Garden
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC0001341
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:33:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd94bc43f7293dee97bd3b3ed7992809de0b217571c0dbefe0e7738942572da60
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/GBAYC0001341
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd94bc43f7293dee97bd3b3ed7992809de0b217571c0dbefe0e7738942572da60. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001341 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Verdi: Don Carlo, Act 2: "Dio, che nell'alma infondere amor" (Don Carlo, Rodrigo, Coro, Il Frate)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.835
  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: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.252
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.093
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.84
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 1: "Dammi i colori... Recondita armonia" (Cavaradossi, Sagrestano)
type: MusicRecording
duration: PT2M59S
duration ms: 179360
explicit: false
by artist: Giacomo Puccini
by artist: James Levine
by artist: Plácido Domingo
by artist: Renato Capecchi
by artist: Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8000144
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T05:32:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6411191a4649f82c34ddd5547c4451898cf3523b1093e26c57b326288e4fda5
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/GBAYC8000144
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6411191a4649f82c34ddd5547c4451898cf3523b1093e26c57b326288e4fda5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000144 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Tosca, Act 1: "Dammi i colori... Recondita armonia" (Cavaradossi, Sagrestano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.514
  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: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.051
  additional property: Liveness
    type: PropertyValue
    value: 0.237
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.407
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: Macbeth, Act 4: Scena. "O figli, o figli miei!" - Aria. "Ah, la paterna mano" (MacDuff)
type: MusicRecording
duration: PT3M40S
duration ms: 220053
explicit: false
by artist: Giuseppe Verdi
by artist: Plácido Domingo
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: John Barker
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8805148
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:34:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89730e0f56f07e3eef50c4c3dee6732830a24ed21e14bd2cfcb4dc038a48ec01
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/GBAYC8805148
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89730e0f56f07e3eef50c4c3dee6732830a24ed21e14bd2cfcb4dc038a48ec01. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8805148 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Verdi: Macbeth, Act 4: Scena. "O figli, o figli miei!" - Aria. "Ah, la paterna mano" (MacDuff)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.996
  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: 0.227
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.078
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
type: MusicRecording
duration: PT7M22S
duration ms: 442146
explicit: false
by artist: Giacomo Puccini
by artist: James Levine
by artist: Plácido Domingo
by artist: Renata Scotto
by artist: Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8000146
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:33:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22e7504866f481a5d2f72b40edb9fab5a84b12fd604d019c61239b35f75732e1
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/GBAYC8000146
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22e7504866f481a5d2f72b40edb9fab5a84b12fd604d019c61239b35f75732e1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000146 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.55
  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: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.552
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.06
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.812
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: Ernani, Act 1: Recitativo. "Mercè, diletti amici" - Cavatina. "Come rugiada al cespite" (Ernani, Coro)
type: MusicRecording
duration: PT3M31S
duration ms: 211533
explicit: false
by artist: Giuseppe Verdi
by artist: Riccardo Muti
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8200195
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5965ad6617939ece7eb6dd85e4419ef63278503bfbb2baa87231f0b3a796c411
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8200195
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5965ad6617939ece7eb6dd85e4419ef63278503bfbb2baa87231f0b3a796c411. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8200195 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Verdi: Ernani, Act 1: Recitativo. "Mercè, diletti amici" - Cavatina. "Come rugiada al cespite" (Ernani, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.75
  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: 0.259
  additional property: Energy
    type: PropertyValue
    value: 0.189
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.256
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.283
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.699
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
type: MusicRecording
duration: PT6M20S
duration ms: 380613
explicit: false
by artist: Giacomo Puccini
by artist: James Levine
by artist: Plácido Domingo
by artist: Renata Scotto
by artist: Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8000147
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:40:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6aaadbc4e7510047a6bcfc79d3adfb7b9fd010e38401f2b9bff886784a5c2531
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/GBAYC8000147
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aaadbc4e7510047a6bcfc79d3adfb7b9fd010e38401f2b9bff886784a5c2531. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000147 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.524
  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: 0.17
  additional property: Energy
    type: PropertyValue
    value: 0.194
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.127
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.169
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: Ernani, Act 1: "Dell' esilio, nel dolore" (Ernani, Coro)
type: MusicRecording
duration: PT3M28S
duration ms: 208920
explicit: false
by artist: Giuseppe Verdi
by artist: Riccardo Muti
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8200196
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:46:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0495b2fae6b86bef22c93eeceaeee7ebf5c524f9e6bdf8c4d79eb9a3c2eb9722
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/GBAYC8200196
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0495b2fae6b86bef22c93eeceaeee7ebf5c524f9e6bdf8c4d79eb9a3c2eb9722. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8200196 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Verdi: Ernani, Act 1: "Dell' esilio, nel dolore" (Ernani, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 105.727
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.284
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Verdi: Otello, Act 1 Scene 3: "Già nella notte densa … Mio superbo guerrier! … Venga la morte!" (Otello, Desdemona)
type: MusicRecording
duration: PT9M57S
duration ms: 597986
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Plácido Domingo
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: John Barker
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8805155
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:27:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5db5f0b0878b5a49778df748ca4ace8243f7ae835f9e7663b3e782fc6bf01615
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/GBAYC8805155
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db5f0b0878b5a49778df748ca4ace8243f7ae835f9e7663b3e782fc6bf01615. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8805155 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Verdi: Otello, Act 1 Scene 3: "Già nella notte densa … Mio superbo guerrier! … Venga la morte!" (Otello, Desdemona)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.882
  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: 0.225
  additional property: Energy
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    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.451
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
type: MusicRecording
duration: PT3M10S
duration ms: 190293
explicit: false
by artist: Giacomo Puccini
by artist: James Levine
by artist: Plácido Domingo
by artist: Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8000169
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x193e0dab6ad2de5ae44225370476292b5c07deee4caf09a46c0d0b7077ae7c35
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960314
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960314
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000169
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T21:00:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x193e0dab6ad2de5ae44225370476292b5c07deee4caf09a46c0d0b7077ae7c35. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000169 — a six-check JSON result.
  date published: 2026-07-30T21:00:46Z
audio: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.401
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.123
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.095
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.664
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Die Zauberflöte, K. 620, Act 1 Scene 4: No. 3, Arie, "Dies Bildnis ist bezaubernd schön" (Tamino)
type: MusicRecording
duration: PT3M52S
duration ms: 232546
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Plácido Domingo
by artist: Munich Radio Orchestra
by artist: Eugene Kohn
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9104269
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:49:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4b347baa2ed281a662e3be34e6069e55e55ee6becd50c11bad3659155ecacec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9104269
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b347baa2ed281a662e3be34e6069e55e55ee6becd50c11bad3659155ecacec. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9104269 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Mozart: Die Zauberflöte, K. 620, Act 1 Scene 4: No. 3, Arie, "Dies Bildnis ist bezaubernd schön" (Tamino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.541
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.177
  additional property: Energy
    type: PropertyValue
    value: 0.128
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.16
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.358
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 3: "Ah! Franchigia a Floria Tosca" (Cavaradossi, Tosca)
type: MusicRecording
duration: PT2M32S
duration ms: 152666
explicit: false
by artist: Giacomo Puccini
by artist: James Levine
by artist: Plácido Domingo
by artist: Renata Scotto
by artist: Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8000170
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:31:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd826cd418d099c6af80f050fae886182151b3fa7c153a29837a00b45baf0c9a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000170
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd826cd418d099c6af80f050fae886182151b3fa7c153a29837a00b45baf0c9a2. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000170 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: Puccini: Tosca, Act 3: "Ah! Franchigia a Floria Tosca" (Cavaradossi, Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.044
  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: 0.251
  additional property: Energy
    type: PropertyValue
    value: 0.281
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.042
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.124
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.209
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Così fan tutte, K. 588, Act 1 Scene 12: No. 17, Aria, "Un'aura amorosa del nostro tesoro" (Ferrando)
type: MusicRecording
duration: PT4M12S
duration ms: 252346
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Plácido Domingo
by artist: Munich Radio Orchestra
by artist: Eugene Kohn
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9104030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:31:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9db4e0cba77854fe2bf50cdfe511dc110731622fd2f117673001fa33f38fc2e4
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9104030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9db4e0cba77854fe2bf50cdfe511dc110731622fd2f117673001fa33f38fc2e4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9104030 — a six-check JSON result.
  date published: 2026-07-31T13:50:38Z
audio: Mozart: Così fan tutte, K. 588, Act 1 Scene 12: No. 17, Aria, "Un'aura amorosa del nostro tesoro" (Ferrando)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.367
  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: 0.142
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.139
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.549
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Traviata: Libiamo, ne' lieti calci (Brindisi)
type: MusicRecording
duration: PT3M38S
duration ms: 218453
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Plácido Domingo
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: John Barker
by artist: Orch.Of Royal Opera House Covent Garden
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8805164
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:31:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65e20ad2cbb56a3cd49822abd98745e6a19ed3b76cc503ccab956fa46b194472
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/GBAYC8805164
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e20ad2cbb56a3cd49822abd98745e6a19ed3b76cc503ccab956fa46b194472. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8805164 — a six-check JSON result.
  date published: 2026-07-07T18:39:05Z
audio: La Traviata: Libiamo, ne' lieti calci (Brindisi)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 187.299
  additional property: Musical Key
    type: PropertyValue
    value: 10
  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: 0.329
  additional property: Energy
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    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.114
  additional property: Acousticness
    type: PropertyValue
    value: 0.909
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.956
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.539
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.846
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sieczyński: Wien, du Stadt meiner Träume, Op. 1
type: MusicRecording
duration: PT4M55S
duration ms: 295746
explicit: false
by artist: Rudolf Sieczynski
by artist: Plácido Domingo
by artist: Julius Rudel
by artist: English Chamber Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8501404
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf40d0aa4b72b8b9d6cb58a54945e6b013489859e19484d787bd4146d32f5fa1d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8501404
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf40d0aa4b72b8b9d6cb58a54945e6b013489859e19484d787bd4146d32f5fa1d. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8501404 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Sieczyński: Wien, du Stadt meiner Träume, Op. 1
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 96.464
  additional property: Musical Key
    type: PropertyValue
    value: 8
  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: 0.14
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.086
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.171
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.646
  additional property: Key Name
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    type: PropertyValue
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Puccini: La bohème, Act 4: "In un coupé" - "O Mimì tu più non torni" (Rodolfo, Marcello)
type: MusicRecording
duration: PT4M36S
duration ms: 276160
explicit: false
by artist: Giacomo Puccini
by artist: John Barker
by artist: Plácido Domingo
by artist: Thomas Allen
by artist: Orchestra of the Royal Opera House, Covent Garden
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8805146
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:41:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf465b52ae6af065f4b734a8fb5747c7f3d8a05ba07f11e2d4b571d0399cb446f
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/GBAYC8805146
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf465b52ae6af065f4b734a8fb5747c7f3d8a05ba07f11e2d4b571d0399cb446f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8805146 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: La bohème, Act 4: "In un coupé" - "O Mimì tu più non torni" (Rodolfo, Marcello)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.739
  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: 0.272
  additional property: Energy
    type: PropertyValue
    value: 0.15
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.383
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.16
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.993
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Das Land des Lächelns: Dein ist mein ganzes Herz!
type: MusicRecording
duration: PT3M43S
duration ms: 223346
explicit: false
by artist: Franz Lehár
by artist: Plácido Domingo
by artist: Julius Rudel
by artist: English Chamber Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: opera
isrc code: GBAYC8501413
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:35:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd96f798423ec1a6314a9bd32996e57f401d737c1bee0a1e45622d192ee855b9e
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/GBAYC8501413
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd96f798423ec1a6314a9bd32996e57f401d737c1bee0a1e45622d192ee855b9e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8501413 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Das Land des Lächelns: Dein ist mein ganzes Herz!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.248
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.114
  additional property: Energy
    type: PropertyValue
    value: 0.231
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.182
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.202
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.273
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La fanciulla del West, Act 3: "Ch'ella mi creda libero e lontano" (Johnson)
type: MusicRecording
duration: PT1M55S
duration ms: 115346
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: John Barker
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8805153
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:21:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d17d1eabfe5322922acb3561c15422d6e7fd438b9ffe2c921d0d50637ccda7a
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/GBAYC8805153
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d17d1eabfe5322922acb3561c15422d6e7fd438b9ffe2c921d0d50637ccda7a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8805153 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: La fanciulla del West, Act 3: "Ch'ella mi creda libero e lontano" (Johnson)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.862
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.242
  additional property: Energy
    type: PropertyValue
    value: 0.204
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.054
  additional property: Liveness
    type: PropertyValue
    value: 0.171
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.185
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.538
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wagner Operas
type: MusicAlbum
date published: 2019-05-10
track: Der fliegende Holländer, WWV 63: Ouvertüre (Live)
  type: MusicRecording
  duration: PT10M31S
  duration ms: 631466
  explicit: false
  by artist: Richard Wagner
  by artist: Berlin Radio Symphony Orchestra
  by artist: Marek Janowski
  in album: Wagner Operas
    type: MusicAlbum
    date published: 2019-05-10
  genre: classical
  genre: opera
  isrc code: NLE421001901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfe1bae9db9a0b3c16d207ccfadee3b9c60a2021bb15ee104eaa3814c804ddb2f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960485
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960485
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421001901
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-08-01T00:10:46Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe1bae9db9a0b3c16d207ccfadee3b9c60a2021bb15ee104eaa3814c804ddb2f. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421001901 — a six-check JSON result.
    date published: 2026-08-01T00:10:46Z
  audio: Der fliegende Holländer, WWV 63: Ouvertüre (Live)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.257
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.161
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.965
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.922
    additional property: Liveness
      type: PropertyValue
      value: 0.288
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.037
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.067
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
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Wagner: The Flying Dutchman
type: MusicAlbum
date published: 2004-10-01

Wagner: Tristan und Isolde, WWV 90
type: MusicAlbum
date published: 2022-05-06
track: Tristan und Isolde, WWV 90, Act I: Prelude
  type: MusicRecording
  duration: PT9M17S
  duration ms: 557950
  explicit: false
  by artist: Richard Wagner
  by artist: Vienna State Opera Orchestra
  by artist: Franz Welser-Möst
  in album: Wagner: Tristan und Isolde, WWV 90
    type: MusicAlbum
    date published: 2022-05-06
  genre: classical
  genre: opera
  isrc code: DEB951998083
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T02:57:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2baf14283d68fa532b1b07df47198bb57ba84973992012ff42a6fa1ea15fd243
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 960203
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960203
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998083
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T03:35:13Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2baf14283d68fa532b1b07df47198bb57ba84973992012ff42a6fa1ea15fd243. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998083 — a six-check JSON result.
    date published: 2026-07-30T03:35:13Z
  audio: Tristan und Isolde, WWV 90, Act I: Prelude
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 169.063
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.075
    additional property: Energy
      type: PropertyValue
      value: 0.009
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
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    additional property: Instrumentalness
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track: Tristan und Isolde, WWV 90, Act II: Prelude
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  by artist: Vienna State Opera Orchestra
  by artist: Franz Welser-Möst
  in album: Wagner: Tristan und Isolde, WWV 90
    type: MusicAlbum
    date published: 2022-05-06
  genre: classical
  genre: opera
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998090
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe986c4af8f66361c38763d82a11f60f20c3e66eb446873653a602031800875b1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998090 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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track: Tristan und Isolde, WWV 90, Act III: Prelude
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  by artist: Richard Wagner
  by artist: Vienna State Opera Orchestra
  by artist: Franz Welser-Möst
  in album: Wagner: Tristan und Isolde, WWV 90
    type: MusicAlbum
    date published: 2022-05-06
  genre: classical
  genre: opera
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  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: Tristan und Isolde, WWV 90, Act III: Prelude
track: Tristan und Isolde, WWV 90, Act I Scene 1: Westwärts schweift der Blick
track: Tristan und Isolde, WWV 90, Act II Scene 1: Hörst du sie noch?
track: Tristan und Isolde, WWV 90, Act I Scene 2: Frisch weht der Wind
track: Tristan und Isolde, WWV 90, Act II Scene 2: Isolde! Geliebte!
track: Tristan und Isolde, WWV 90, Act III Scene 1: Kurwenal! He!
track: Tristan und Isolde, WWV 90, Act I Scene 3: Weh! Ach wehe! Dies zu dulden!
track: Tristan und Isolde, WWV 90, Act I Scene 3: Auf, Ihr Frauen
track: Tristan und Isolde, WWV 90, Act II Scene 2: Einsam wachend in der Nacht
track: Tristan und Isolde, WWV 90, Act I Scene 4: Herr Tristan trete nah
track: Tristan und Isolde, WWV 90, Act I Scene 5: Tristan! Isolde! Treuloser Holder
track: Tristan und Isolde, WWV 90, Act II Scene 2: So stürben wie, um ungetrennt
track: Tristan und Isolde, WWV 90, Act II Scene 3: Rette dich, Tristan!
track: Tristan und Isolde, WWV 90, Act II Scene 3: Tatest du's wirklich? Wähnst du das?
track: Tristan und Isolde, WWV 90, Act III Scene 3: Mild und leise wie er lächelt

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xa05f6ca36f4834a825dc09dae9612a1898dff0dfb52e6a0a8054eb862f49f826

OTSHash
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OTSBitcoinBlock
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value: 960427

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960427

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998102

OTSTimestamp
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value: 2026-07-31T15:59:18Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa05f6ca36f4834a825dc09dae9612a1898dff0dfb52e6a0a8054eb862f49f826. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998102 — a six-check JSON result.
date published: 2026-07-31T15:59:18Z

Tristan und Isolde, WWV 90, Act III: Prelude
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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Tristan und Isolde, WWV 90, Act I Scene 1: Westwärts schweift der Blick
type: MusicRecording
duration: PT5M50S
duration ms: 350550
explicit: false
by artist: Richard Wagner
by artist: Jinxu Xiahou
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998084
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/DEB951998084
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaeb1aa70162a38a1f4f338518693ab1910e638ce4cab4430804a4726cf936c1. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998084 — a six-check JSON result.
  date published: 2026-07-30T17:23:26Z
audio: Tristan und Isolde, WWV 90, Act I Scene 1: Westwärts schweift der Blick
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Tristan und Isolde, WWV 90, Act II Scene 1: Hörst du sie noch?
type: MusicRecording
duration: PT13M49S
duration ms: 829250
explicit: false
by artist: Richard Wagner
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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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/DEB951998091
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d2029ed0cf1c0c55e567ba3ee1b1146271e54509df4ca716bf5ced9069c60a. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998091 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Tristan und Isolde, WWV 90, Act II Scene 1: Hörst du sie noch?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Tristan und Isolde, WWV 90, Act I Scene 2: Frisch weht der Wind
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duration: PT9M46S
duration ms: 586700
explicit: false
by artist: Richard Wagner
by artist: Jinxu Xiahou
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Peter Seiffert
by artist: Jochen Schmeckenbecher
by artist: Vienna State Opera Chorus
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998085
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
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163f931a53482687977c2d09fe9aabeedff3441cf2a7635b6f6d61ac8226bfff. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998085 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
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  type: AudioObject
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    type: PropertyValue
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Tristan und Isolde, WWV 90, Act II Scene 2: Isolde! Geliebte!
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duration: PT16M35S
duration ms: 995050
explicit: false
by artist: Richard Wagner
by artist: Peter Seiffert
by artist: Nina Stemme
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998092
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/DEB951998092
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ddade0a2613f895e785a940ac4222c8b8820524ba77c8a2f6a6151d7b16c291. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998092 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Tristan und Isolde, WWV 90, Act II Scene 2: Isolde! Geliebte!
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Tristan und Isolde, WWV 90, Act III Scene 1: Kurwenal! He!
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explicit: false
by artist: Richard Wagner
by artist: Carlos Osuna
by artist: Peter Seiffert
by artist: Jochen Schmeckenbecher
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:53:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4703ccc98437dc315181ab033c2d9f486a7193df562f7ceb18df5d97422eee86
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/DEB951998104
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4703ccc98437dc315181ab033c2d9f486a7193df562f7ceb18df5d97422eee86. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998104 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tristan und Isolde, WWV 90, Act III Scene 1: Kurwenal! He!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.041
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.146
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.066
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.006
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tristan und Isolde, WWV 90, Act I Scene 3: Weh! Ach wehe! Dies zu dulden!
type: MusicRecording
duration: PT18M40S
duration ms: 1120700
explicit: false
by artist: Richard Wagner
by artist: Janina Baechle
by artist: Nina Stemme
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T01:35:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecbc64d481ac3b8027d5f2c7c1929df9ea82e31bed3753907420dc677eec45a8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960497
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960497
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T02:22:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecbc64d481ac3b8027d5f2c7c1929df9ea82e31bed3753907420dc677eec45a8. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998086 — a six-check JSON result.
  date published: 2026-08-01T02:22:04Z
audio: Tristan und Isolde, WWV 90, Act I Scene 3: Weh! Ach wehe! Dies zu dulden!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.521
  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: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.815
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.05
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.87
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act I Scene 3: Auf, Ihr Frauen
type: MusicRecording
duration: PT7M33S
duration ms: 453550
explicit: false
by artist: Richard Wagner
by artist: Jochen Schmeckenbecher
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Chorus of the Veinna State Opera
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:25:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e414438e1e1dab2a6d4288a8ba97bbcafcd409262103898db683b629b053281
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/DEB951998087
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e414438e1e1dab2a6d4288a8ba97bbcafcd409262103898db683b629b053281. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998087 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tristan und Isolde, WWV 90, Act I Scene 3: Auf, Ihr Frauen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.112
  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: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.196
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.951
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act II Scene 2: Einsam wachend in der Nacht
type: MusicRecording
duration: PT2M0S
duration ms: 120050
explicit: false
by artist: Richard Wagner
by artist: Janina Baechle
by artist: Nina Stemme
by artist: Peter Seiffert
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998094
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:55:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87485b7b3b87791bdfa99fdb1f53a95274be7123f8e3be4acd6a4043d7a55ad3
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/DEB951998094
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87485b7b3b87791bdfa99fdb1f53a95274be7123f8e3be4acd6a4043d7a55ad3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998094 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Tristan und Isolde, WWV 90, Act II Scene 2: Einsam wachend in der Nacht
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.774
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.204
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.077
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.589
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act I Scene 4: Herr Tristan trete nah
type: MusicRecording
duration: PT18M56S
duration ms: 1136550
explicit: false
by artist: Richard Wagner
by artist: Peter Seiffert
by artist: Nina Stemme
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998088
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:58:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd619a08be0c6d24e48311f6d790d1fc32b1ccf126ed126fea08830d7f75ea055
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998088
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd619a08be0c6d24e48311f6d790d1fc32b1ccf126ed126fea08830d7f75ea055. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998088 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Tristan und Isolde, WWV 90, Act I Scene 4: Herr Tristan trete nah
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.771
  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: 0.208
  additional property: Energy
    type: PropertyValue
    value: 0.044
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.817
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act I Scene 5: Tristan! Isolde! Treuloser Holder
type: MusicRecording
duration: PT6M48S
duration ms: 408250
explicit: false
by artist: Richard Wagner
by artist: Janina Baechle
by artist: Jochen Schmeckenbecher
by artist: Nina Stemme
by artist: Peter Seiffert
by artist: Vienna State Opera Chorus
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998089
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:09:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x079ea73fb655915999e1192ec6d373a4890c1974adc42411dfa22e2b93e1636b
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/DEB951998089
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079ea73fb655915999e1192ec6d373a4890c1974adc42411dfa22e2b93e1636b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998089 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Tristan und Isolde, WWV 90, Act I Scene 5: Tristan! Isolde! Treuloser Holder
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.163
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.232
  additional property: Energy
    type: PropertyValue
    value: 0.298
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.024
  additional property: Liveness
    type: PropertyValue
    value: 0.811
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.072
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.78
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tristan und Isolde, WWV 90, Act II Scene 2: So stürben wie, um ungetrennt
type: MusicRecording
duration: PT7M29S
duration ms: 449200
explicit: false
by artist: Richard Wagner
by artist: Peter Seiffert
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998097
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:00:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b39ef1cc89407eae6bae35aca82221da88a9ea08f25c982348a146ca3a1f329
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/DEB951998097
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-08T03:22:41Z
audio: Tristan und Isolde, WWV 90, Act II Scene 2: So stürben wie, um ungetrennt
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Tristan und Isolde, WWV 90, Act II Scene 3: Rette dich, Tristan!
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duration: PT1M44S
duration ms: 104000
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by artist: Richard Wagner
by artist: Jochen Schmeckenbecher
by artist: Peter Seiffert
by artist: Eijiro Kai
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
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genre: classical
genre: opera
isrc code: DEB951998098
additional property: CopyrightID
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-08-01T00:40:43Z
audio: Tristan und Isolde, WWV 90, Act II Scene 3: Rette dich, Tristan!
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Tristan und Isolde, WWV 90, Act II Scene 3: Tatest du's wirklich? Wähnst du das?
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duration: PT12M5S
duration ms: 725500
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by artist: Richard Wagner
by artist: Stephen Milling
by artist: Peter Seiffert
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998099
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x962717c52e2e4c3f79501a0359bbae05c4dd3da4e671419a646da649bb4657f5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998099 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tristan und Isolde, WWV 90, Act II Scene 3: Tatest du's wirklich? Wähnst du das?
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Tristan und Isolde, WWV 90, Act III Scene 3: Mild und leise wie er lächelt
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duration: PT6M45S
duration ms: 405300
explicit: false
by artist: Richard Wagner
by artist: Nina Stemme
by artist: Eijiro Kai
by artist: Stephen Milling
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
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  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998112
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T15:59:18Z
audio: Tristan und Isolde, WWV 90, Act III Scene 3: Mild und leise wie er lächelt
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R. Strauss: Die Frau ohne Schatten, Op. 65, TrV 234 (Live)
type: MusicAlbum
date published: 2020-04-03

Wagner: Die Walküre, WWV 86b (Live)
type: MusicAlbum
date published: 2016-01-01

Wagner: Wesendonck-Lieder - Siegfried-Idyll
type: MusicAlbum
date published: 2013-05-28
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    date published: 2013-05-28
  genre: classical
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xece0d391c506bf594e9dab3f67709d9f65c61226d7a1bf25bd4932ef4ede1bad. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEV1222020 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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track: 5 Gedichte für eine Frauenstimme, "Wesendonck Lieder": No. 3, Im Treibhaus (In the Hothouse) [arr. F. Mottl for voice and orchestra]
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  by artist: Swedish Chamber Orchestra
  by artist: Thomas Dausgaard
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-31T02:19:15Z
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track: 5 Gedichte für eine Frauenstimme, "Wesendonck Lieder": No. 4, Schmerzen (Pain) [arr. F. Mottl for voice and orchestra]
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  by artist: Swedish Chamber Orchestra
  by artist: Thomas Dausgaard
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    date published: 2013-05-28
  genre: classical
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  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: 5 Gedichte für eine Frauenstimme, "Wesendonck Lieder": No. 4, Schmerzen (Pain) [arr. F. Mottl for voice and orchestra]
track: Siegfried Idyll

CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960494

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960494

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEV1222050

OTSTimestamp
type: PropertyValue
value: 2026-08-01T01:44:32Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa81d85eb9a97b30c9ef05939580f1c29945736220711aaadb691371e9d1a49a1. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEV1222050 — a six-check JSON result.
date published: 2026-08-01T01:44:32Z

5 Gedichte für eine Frauenstimme, "Wesendonck Lieder": No. 4, Schmerzen (Pain) [arr. F. Mottl for voice and orchestra]
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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by artist: Swedish Chamber Orchestra
by artist: Thomas Dausgaard
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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
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Siegfried Idyll
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Schutz, H.: Vocal Music (1953-1959)
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Mahler, G.: Lieder Eines Fahrenden Gesellen / Kindertotenlieder / Schumann, R.: Liederkreis (Fischer-Dieskau) (1952-1955)
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Bach, J.S.: Vocal Music (1953-1959)
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Strauss, R: Four Last Songs, Final Scenes
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date published: 2007-04-02
track: Strauss, R: Salome, Op. 54: "Ah, du wolltest mich nicht deinen Mund Küssen lassen, Jochanaan!"
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T20:09:33Z
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  genre: classical
  genre: opera
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-31T19:53:13Z
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    date published: 2007-04-02
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  genre: opera
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Strauss, R: 4 Letzte Lieder: No. 2, September
track: Strauss, R: 4 Letzte Lieder: No. 3, Beim Schlafengehen
track: Strauss, R: 4 Letzte Lieder: No. 4, Im Abendrot

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c6e36c75b2db1609472cabb674d02f1cc387ded9c50c7c8f7defd52002d6d43. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0700860 — a six-check JSON result.
date published: 2026-07-08T03:22:41Z

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additional property: Valence (Positivity)
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Strauss, R: 4 Letzte Lieder: No. 3, Beim Schlafengehen
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by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Antonio Pappano
in album: Strauss, R: Four Last Songs, Final Scenes
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genre: classical
genre: opera
genre: orchestra
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additional property: OTSBitcoinBlockVerifyURL
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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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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9f86135188a7bfaa9600a5fa184b8f4ea1daadd84b7c254e4ae1a9421a30368. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0700861 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
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duration: PT7M35S
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by artist: Nina Stemme
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Antonio Pappano
in album: Strauss, R: Four Last Songs, Final Scenes
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genre: classical
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additional property: CopyrightStatus
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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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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:28:30Z
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Bach: Cantatas Nos. 56 and 82 / Brahms: 4 Ernste Gesange, Op. 121
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In Flanders' Fields Vol. 40: Richard Wagner, Gösta Nystroem and August de Boeck
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Bach, J.S.: Cantatas (Baritone Solo) - Bwv 56 and 82
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Abbado A-Z: Beethoven
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date published: 2023-02-10
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5abadca3977c2626d0cf84fa2c5a5fe2daba5708724affb26990d1a840d26ec7. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101281 — a six-check JSON result.
    date published: 2026-07-31T02:19:15Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T06:42:11Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 1 in C Major, Op. 21: III. Menuetto. Allegro molto e vivace - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 1 in C Major, Op. 21: IV. Finale. Adagio - Allegro molto e vivace - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": I. Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": II. Marcia funebre. Adagio assai - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": III. Scherzo. Allegro vivace - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": IV. Finale. Allegro molto - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 2 in D Major, Op. 36: I. Adagio molto - Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 4 in B-Flat Major, Op. 60: III. Allegro vivace - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 4 in B-Flat Major, Op. 60: IV. Allegro ma non troppo - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 5 in C Minor, Op. 67: II. Andante con moto - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 5 in C Minor, Op. 67: III. Scherzo. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 5 in C Minor, Op. 67: IV. Finale. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 6 in F Major, Op. 68 "Pastoral": I. Erwachen heiterer Empfindungen bei der Ankunft auf dem Lande. Allegro ma non troppo - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 6 in F Major, Op. 68 "Pastoral": II. Szene am Bach. Andante molto mosso - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 6 in F Major, Op. 68 "Pastoral": III. Lustiges Zusammensein der Landleute. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 6 in F Major, Op. 68 "Pastoral": IV. Gewitter, Sturm. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 6 in F Major, Op. 68 "Pastoral": V. Hirtengesang. Frohe und dankbare Gefühle nach dem Sturm. Allegretto - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 7 in A Major, Op. 92: III. Presto - Assai meno presto - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 7 in A Major, Op. 92: IV. Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 8 in F Major, Op. 93: I. Allegro vivace e con brio - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 8 in F Major, Op. 93: II. Allegretto scherzando - Live at Accademia di Santa Cecilia, Rome, 2001
track: Symphony No. 9 in D Minor, Op. 125 "Choral": I. Allegro ma non troppo, un poco maestoso - Live at Philharmonie, Berlin, 2000
track: Symphony No. 9 in D Minor, Op. 125 "Choral": II. Scherzo. Molto vivace - Presto - Live at Philharmonie, Berlin, 2000
track: Symphony No. 9 in D Minor, Op. 125 "Choral": III. Adagio molto e cantabile - Live at Philharmonie, Berlin, 2000
track: Symphony No. 9 in D Minor, Op. 125 "Choral": IVa.-b. Presto - Allegro assai - Live at Philharmonie, Berlin, 2000
track: Symphony No. 9 in D Minor, Op. 125 "Choral": IVc.-j. Presto. O Freunde nicht diese Töne - Prestissimo - Live at Philharmonie, Berlin, 2000

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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

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type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13766e9b4577830cc536e3aed82b031ad4d6a8d58c0f5891d454e234bdddf62c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101283 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Symphony No. 1 in C Major, Op. 21: III. Menuetto. Allegro molto e vivace - Live at Accademia di Santa Cecilia, Rome, 2001
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Symphony No. 1 in C Major, Op. 21: IV. Finale. Adagio - Allegro molto e vivace - Live at Accademia di Santa Cecilia, Rome, 2001
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:17:02Z
audio: Symphony No. 1 in C Major, Op. 21: IV. Finale. Adagio - Allegro molto e vivace - Live at Accademia di Santa Cecilia, Rome, 2001
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Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": I. Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": II. Marcia funebre. Adagio assai - Live at Accademia di Santa Cecilia, Rome, 2001
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additional property: OTSTimestamp
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  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c1005fab7bd4d1a9698cf292568fbbdad08e017f56f0a95b0bab104bf23ad9b. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101302 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": II. Marcia funebre. Adagio assai - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.34
  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: 0.122
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.509
  additional property: Liveness
    type: PropertyValue
    value: 0.348
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.268
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": III. Scherzo. Allegro vivace - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT5M51S
duration ms: 351853
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101303
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:16:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00a4e545922dbab8b1d8359013901828f3b713cc8b507919a4a504b7770c51b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a4e545922dbab8b1d8359013901828f3b713cc8b507919a4a504b7770c51b5. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101303 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": III. Scherzo. Allegro vivace - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.982
  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: 0.372
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.936
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.268
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.135
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": IV. Finale. Allegro molto - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT11M7S
duration ms: 667429
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101304
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:38:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1f94b447ea545c3a67fa9ba7015c41156671d4341e1e34d26b39a045b6dfdff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101304
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1f94b447ea545c3a67fa9ba7015c41156671d4341e1e34d26b39a045b6dfdff. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101304 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": IV. Finale. Allegro molto - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.429
  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: 0.338
  additional property: Energy
    type: PropertyValue
    value: 0.135
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.828
  additional property: Liveness
    type: PropertyValue
    value: 0.27
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.201
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.988
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 2 in D Major, Op. 36: I. Adagio molto - Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT12M11S
duration ms: 731957
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101291
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:25:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x550957886d2e88c2ffc66dcc745a524ccee5f61f2dbf9f535f1b0dbdf4e85513
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101291
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550957886d2e88c2ffc66dcc745a524ccee5f61f2dbf9f535f1b0dbdf4e85513. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101291 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Symphony No. 2 in D Major, Op. 36: I. Adagio molto - Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.862
  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: 0.296
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.877
  additional property: Liveness
    type: PropertyValue
    value: 0.068
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.172
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.366
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT9M47S
duration ms: 587506
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101312
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:02:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea90a19c3f713aba1e44051fc7e0bb557ad14abd367d3949bea32ff28ca80da4
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/DEN960101312
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea90a19c3f713aba1e44051fc7e0bb557ad14abd367d3949bea32ff28ca80da4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101312 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.925
  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: 0.227
  additional property: Energy
    type: PropertyValue
    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.706
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.095
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.426
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 4 in B-Flat Major, Op. 60: III. Allegro vivace - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT5M54S
duration ms: 354466
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101313
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:51:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea018e440448e5bff1e66915fb06584103b1513b64a0e60a37125e7837224d33
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101313
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea018e440448e5bff1e66915fb06584103b1513b64a0e60a37125e7837224d33. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101313 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Symphony No. 4 in B-Flat Major, Op. 60: III. Allegro vivace - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.168
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.298
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.865
  additional property: Liveness
    type: PropertyValue
    value: 0.152
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.217
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.656
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 4 in B-Flat Major, Op. 60: IV. Allegro ma non troppo - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT6M41S
duration ms: 401027
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101314
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:09:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9fa3d27cf92d9180913e733fa74c6af20708d377f5302e323c757c304a207802
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101314
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fa3d27cf92d9180913e733fa74c6af20708d377f5302e323c757c304a207802. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101314 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Symphony No. 4 in B-Flat Major, Op. 60: IV. Allegro ma non troppo - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.881
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
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duration ms: 443385
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by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
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genre: classical
genre: classical-piano
genre: chamber-music
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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: 2026-07-08T03:20:19Z
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Symphony No. 5 in C Minor, Op. 67: II. Andante con moto - Live at Accademia di Santa Cecilia, Rome, 2001
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explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
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genre: classical
genre: classical-piano
genre: chamber-music
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 5 in C Minor, Op. 67: II. Andante con moto - Live at Accademia di Santa Cecilia, Rome, 2001
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Symphony No. 5 in C Minor, Op. 67: III. Scherzo. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
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duration: PT7M59S
duration ms: 479760
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T02:19:15Z
audio: Symphony No. 5 in C Minor, Op. 67: III. Scherzo. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
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Symphony No. 5 in C Minor, Op. 67: IV. Finale. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
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duration: PT10M38S
duration ms: 638386
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
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  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101324
additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 5 in C Minor, Op. 67: IV. Finale. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
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Symphony No. 6 in F Major, Op. 68 "Pastoral": I. Erwachen heiterer Empfindungen bei der Ankunft auf dem Lande. Allegro ma non troppo - Live at Accademia di Santa Cecilia, Rome, 2001
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duration ms: 692400
explicit: false
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by artist: Berliner Philharmoniker
by artist: Claudio Abbado
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genre: classical
genre: classical-piano
genre: chamber-music
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T18:23:33Z
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Symphony No. 6 in F Major, Op. 68 "Pastoral": II. Szene am Bach. Andante molto mosso - Live at Accademia di Santa Cecilia, Rome, 2001
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genre: classical
genre: classical-piano
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:51:48Z
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Symphony No. 6 in F Major, Op. 68 "Pastoral": III. Lustiges Zusammensein der Landleute. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
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genre: classical
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genre: chamber-music
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101333
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe00a4af4dc79ebe80165ac2f3e51d6c2683e1a41d083f9a9b6004b6dacb6b0b1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101333 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 6 in F Major, Op. 68 "Pastoral": III. Lustiges Zusammensein der Landleute. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.6
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.346
  additional property: Energy
    type: PropertyValue
    value: 0.093
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.71
  additional property: Liveness
    type: PropertyValue
    value: 0.195
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.437
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.818
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 6 in F Major, Op. 68 "Pastoral": IV. Gewitter, Sturm. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT3M25S
duration ms: 205653
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101334
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:15:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0492fd086c3e7014c4db6cceef4f333ce393bf407178e272092fe23618a2182d
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/DEN960101334
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0492fd086c3e7014c4db6cceef4f333ce393bf407178e272092fe23618a2182d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101334 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 6 in F Major, Op. 68 "Pastoral": IV. Gewitter, Sturm. Allegro - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.409
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.289
  additional property: Energy
    type: PropertyValue
    value: 0.274
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.628
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.101
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.631
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Symphony No. 6 in F Major, Op. 68 "Pastoral": V. Hirtengesang. Frohe und dankbare Gefühle nach dem Sturm. Allegretto - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT8M38S
duration ms: 518013
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101335
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:37:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf27643516d448b509d37e8b961987c048eeeb0073faa68eda7636607b960a09
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101335
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf27643516d448b509d37e8b961987c048eeeb0073faa68eda7636607b960a09. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101335 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Symphony No. 6 in F Major, Op. 68 "Pastoral": V. Hirtengesang. Frohe und dankbare Gefühle nach dem Sturm. Allegretto - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.15
  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: 0.19
  additional property: Energy
    type: PropertyValue
    value: 0.083
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.834
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.55
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT13M30S
duration ms: 810186
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101341
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:25:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x045ece9f138cc00be81919b43ff995b7b0b513832a96ed55c4c256d095f21fad
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960229
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960229
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101341
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x045ece9f138cc00be81919b43ff995b7b0b513832a96ed55c4c256d095f21fad. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101341 — a six-check JSON result.
  date published: 2026-07-30T08:30:10Z
audio: Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.684
  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: 0.376
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.775
  additional property: Liveness
    type: PropertyValue
    value: 0.242
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.368
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT7M39S
duration ms: 459000
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101342
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T04:25:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb529bfb55da302cca9371826f44566f1b2d33a164b0f3642b83529e5c2fa39c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960207
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960207
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101342
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T04:47:22Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb529bfb55da302cca9371826f44566f1b2d33a164b0f3642b83529e5c2fa39c. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101342 — a six-check JSON result.
  date published: 2026-07-30T04:47:22Z
audio: Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.374
  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: 0.165
  additional property: Energy
    type: PropertyValue
    value: 0.025
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.462
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.051
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.672
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Symphony No. 7 in A Major, Op. 92: III. Presto - Assai meno presto - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT8M58S
duration ms: 538413
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101343
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:46:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44f05877efe964f9469d19560ce87c934d67417f95bd56b5acc9d712dc34171f
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/DEN960101343
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44f05877efe964f9469d19560ce87c934d67417f95bd56b5acc9d712dc34171f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101343 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 7 in A Major, Op. 92: III. Presto - Assai meno presto - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.753
  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: 0.348
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.798
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.254
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.575
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 7 in A Major, Op. 92: IV. Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT8M21S
duration ms: 501133
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101344
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:46:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba080ee3a090382597cd7e328b4620fe79bd5f79af0cc52379ee407a6ff3ac68
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/DEN960101344
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba080ee3a090382597cd7e328b4620fe79bd5f79af0cc52379ee407a6ff3ac68. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101344 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 7 in A Major, Op. 92: IV. Allegro con brio - Live at Accademia di Santa Cecilia, Rome, 2001
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 158.023
  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
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Symphony No. 8 in F Major, Op. 93: I. Allegro vivace e con brio - Live at Accademia di Santa Cecilia, Rome, 2001
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duration: PT9M21S
duration ms: 561333
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101351
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaf14f4f4bfa1f0dbe7653a7a5c8c172adbc00dcfd21ee1a2b0b902ca1fc3f9f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101351 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 8 in F Major, Op. 93: I. Allegro vivace e con brio - Live at Accademia di Santa Cecilia, Rome, 2001
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Symphony No. 8 in F Major, Op. 93: II. Allegretto scherzando - Live at Accademia di Santa Cecilia, Rome, 2001
type: MusicRecording
duration: PT4M13S
duration ms: 253026
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960101352
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: 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bfe3c915572b553e95a126459d571db823f5edea57944e943f39dbf5fdd2ae1. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960101352 — a six-check JSON result.
  date published: 2026-08-01T04:30:37Z
audio: Symphony No. 8 in F Major, Op. 93: II. Allegretto scherzando - Live at Accademia di Santa Cecilia, Rome, 2001
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Symphony No. 9 in D Minor, Op. 125 "Choral": I. Allegro ma non troppo, un poco maestoso - Live at Philharmonie, Berlin, 2000
type: MusicRecording
duration: PT14M18S
duration ms: 858648
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960000331
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
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc793e32f0a349d7338ffd34d1d109f4a22f6229018c12ac6b8d801086cc21442. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960000331 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 9 in D Minor, Op. 125 "Choral": I. Allegro ma non troppo, un poco maestoso - Live at Philharmonie, Berlin, 2000
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  additional property: Valence (Positivity)
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Symphony No. 9 in D Minor, Op. 125 "Choral": II. Scherzo. Molto vivace - Presto - Live at Philharmonie, Berlin, 2000
type: MusicRecording
duration: PT13M3S
duration ms: 783186
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960000332
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: OTSVerificationAPI
  type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb96ba5275119283f4eea1a10944293df29de0e82cffd8936303041fb4e18f789. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960000332 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 9 in D Minor, Op. 125 "Choral": II. Scherzo. Molto vivace - Presto - Live at Philharmonie, Berlin, 2000
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  additional property: Valence (Positivity)
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Symphony No. 9 in D Minor, Op. 125 "Choral": III. Adagio molto e cantabile - Live at Philharmonie, Berlin, 2000
type: MusicRecording
duration: PT12M48S
duration ms: 768552
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960000333
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
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663a34e8912c56edf72c2315f73ae1ac15794107368d9c37ecb4bf0e0571a4bf. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960000333 — a six-check JSON result.
  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 9 in D Minor, Op. 125 "Choral": III. Adagio molto e cantabile - Live at Philharmonie, Berlin, 2000
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Symphony No. 9 in D Minor, Op. 125 "Choral": IVa.-b. Presto - Allegro assai - Live at Philharmonie, Berlin, 2000
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duration: PT5M35S
duration ms: 335017
explicit: false
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by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960000334
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x235d8577ab4d7b33c974f7f9d8a7378af8928d0be8fbc428138280ca64ce44a9. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960000334 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
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Symphony No. 9 in D Minor, Op. 125 "Choral": IVc.-j. Presto. O Freunde nicht diese Töne - Prestissimo - Live at Philharmonie, Berlin, 2000
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by artist: Karita Mattila
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by artist: Berliner Philharmoniker
by artist: Claudio Abbado
by artist: Eric Ericson Chamber Choir
by artist: Swedish Radio Choir
in album: Abbado A-Z: Beethoven
  type: MusicAlbum
  date published: 2023-02-10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN960000335
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: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T05:21:45Z
audio: Symphony No. 9 in D Minor, Op. 125 "Choral": IVc.-j. Presto. O Freunde nicht diese Töne - Prestissimo - Live at Philharmonie, Berlin, 2000
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Frizzante: Celebrating Vocal Music Celebration
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date published: 2021-09-17

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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Four Sea Interludes, Op. 33a: I. Dawn (Lento e tranquillo)
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T19:53:13Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Les Pêcheurs de perles, WD. 13, Act I: Au fond du temple saint
track: La Wally, Act I: Ebben? ne andrò lontana
track: Die Entführung aus dem Serail, K. 384, Act III: Oh, wie will ich triumphieren
track: Carmen, WD. 31, Act II: Votre toast (Toreador's Song)
track: The Barber of Seville, Act I Scene 1: Largo al factotum
track: Orfeo ed Euridice, Wq. 30, Act III: Che farò senza Euridice? (Orfeo)

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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa509c88cf0b40cf84bb2ffc9a95d6426cfbf61b00e42c78de6a5e6e9c325cbd7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118801780 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Les Pêcheurs de perles, WD. 13, Act I: Au fond du temple saint
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La Wally, Act I: Ebben? ne andrò lontana
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Die Entführung aus dem Serail, K. 384, Act III: Oh, wie will ich triumphieren
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
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Carmen, WD. 31, Act II: Votre toast (Toreador's Song)
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subject of: OpenTimestamps Proof of Existence
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