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genre: opera
description: Christian Gerhaher (born 24 July 1969, in Straubing) is a German baritone and bass singer in opera and concert, particularly known as a Lieder singer.Christian Gerhaher mit Rheingau Musikpreis ausgeze
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followers: 5720
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subject of: OpenTimestamps Proof of Existence
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    subject of: OpenTimestamps Proof of Existence
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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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album: Wagner: Tannhäuser
album: Abert: Ekkehard (Live)
album: Haydn: Orlando Paladino
album: Haydn: Die Schöpfung
album: Mahler: Das Lied von der Erde
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album: Schumann: Alle Lieder
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album: Schubert: Die schöne Müllerin, D. 795
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album: Brahms: Die schöne Magelone
album: Beethoven, Britten & Haydn: FolksLied (Live)
album: Mozart Arias
album: Robert Schumann: Szenen aus Goethes Faust, WoO 3

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Wagner: Tannhäuser
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date published: 2013-01-01
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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track: Tannhäuser, WWV 70, Act II: Introduction - Dich, teure Halle (Elisabeth)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T09:37:10Z
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track: Tannhäuser, WWV 70, Act III: Introduction and Tannhäuser's pilgrimage
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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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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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe932749709f5a94759949ba5b352cb2a40b9bd5ef07ac1a9582c1e782def2fdb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200126.
date published: 2026-07-08T03:20:19Z

Tannhäuser, WWV 70, Act III: Introduction and Tannhäuser's pilgrimage
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 96.382
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: 0.128
additional property: Energy
  type: PropertyValue
  value: 0.01
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0.9
additional property: Instrumentalness
  type: PropertyValue
  value: 0.825
additional property: Liveness
  type: PropertyValue
  value: 0.16
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.035
additional property: Loudness (dB)
  type: PropertyValue
  value: -26.998
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

Tannhäuser, WWV 70, Act I: Geliebter, sag! Wo weilt dein Sinn? (Venus, Tannhäuser)
type: MusicRecording
duration: PT3M53S
duration ms: 233880
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: NLE421200102
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:13:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa81c48c8a40533ea03511a0fe35af96bf87f30b2facb0856e0b077cb41c82dcf
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/NLE421200102
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 0xa81c48c8a40533ea03511a0fe35af96bf87f30b2facb0856e0b077cb41c82dcf. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200102.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser, WWV 70, Act I: Geliebter, sag! Wo weilt dein Sinn? (Venus, Tannhäuser)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.165
  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: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.118
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.098
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.697
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act II: Dort ist sie; nahe dich ihr ungestört! (Wolfram, Tannhäuser, Elisabeth)
type: MusicRecording
duration: PT6M57S
duration ms: 417880
explicit: false
by artist: Richard Wagner
by artist: Christian Gerhaher
by artist: Robert Dean Smith
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: NLE421200112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:40:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbcbbb6f20999ea4115db45b00928ca0b12233ef4e43fd4463ccc9adacf6c5a5c
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/NLE421200112
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 0xbcbbb6f20999ea4115db45b00928ca0b12233ef4e43fd4463ccc9adacf6c5a5c. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200112.
  date published: 2026-07-31T15:20:15Z
audio: Tannhäuser, WWV 70, Act II: Dort ist sie; nahe dich ihr ungestört! (Wolfram, Tannhäuser, Elisabeth)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.513
  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: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.058
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.613
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.086
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.689
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act III: Wohl wußt' ich hier sie im Gebet (Wolfram)
type: MusicRecording
duration: PT3M12S
duration ms: 192760
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: NLE421200127
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:39:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32db306a87334976a59521f3b09c95d46b422726097541d71648cbedef4cdcc0
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/NLE421200127
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 0x32db306a87334976a59521f3b09c95d46b422726097541d71648cbedef4cdcc0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200127.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser, WWV 70, Act III: Wohl wußt' ich hier sie im Gebet (Wolfram)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.304
  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: 0.181
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.926
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.06
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.966
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act I: Dir töne Lob! (Tannhäuser, Venus)
type: MusicRecording
duration: PT5M27S
duration ms: 327573
explicit: false
by artist: Richard Wagner
by artist: Robert Dean Smith
by artist: Marina Prudenskaya
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: NLE421200103
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:50:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x346ac8214a819a21404f63af1aa9ffb4739690fd80ea6f2f9f252441303c6005
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/NLE421200103
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 0x346ac8214a819a21404f63af1aa9ffb4739690fd80ea6f2f9f252441303c6005. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200103.
  date published: 2026-07-31T17:29:52Z
audio: Tannhäuser, WWV 70, Act I: Dir töne Lob! (Tannhäuser, Venus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.485
  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: 0.313
  additional property: Energy
    type: PropertyValue
    value: 0.144
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.892
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.298
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.683
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act II: Den Gott der Liebe sollst du preisen! (Tannhäuser, Elisabeth, Wolfram)
type: MusicRecording
duration: PT3M40S
duration ms: 220333
explicit: false
by artist: Richard Wagner
by artist: Robert Dean Smith
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: NLE421200113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:42:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc25d41a3200c225dfee6b0c9af3955e4ab1f429181466e52ff0fec383f30550
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/NLE421200113
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 0xcc25d41a3200c225dfee6b0c9af3955e4ab1f429181466e52ff0fec383f30550. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200113.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser, WWV 70, Act II: Den Gott der Liebe sollst du preisen! (Tannhäuser, Elisabeth, Wolfram)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.999
  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: 0.324
  additional property: Energy
    type: PropertyValue
    value: 0.28
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.481
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.431
  additional property: Loudness (dB)
    type: PropertyValue
    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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200128.
  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200104.
  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200114.
  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200129.
  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200115.
  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200130.
  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200106.
  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)
    type: PropertyValue
    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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200131.
  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)
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    value: 112.701
  additional property: Musical Key
    type: PropertyValue
    value: 7
  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: 0.109
  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200107.
  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
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    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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200108.
  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
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  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200118.
  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200109.
  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200119.
  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)
    type: PropertyValue
    value: -25.519
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser, WWV 70, Act III: Heil! Heil! Der Gnade Wunder Heil! (Walther, Heinrich, Wolfram, Biterolf, Reinmar, Landgraf)
type: MusicRecording
duration: PT2M29S
duration ms: 149000
explicit: false
by artist: Richard Wagner
by artist: Peter Sonn
by artist: Michael McCown
by artist: Christian Gerhaher
by artist: Martin Snell
by artist: Albert Dohmen
by artist: Rundfunkchor Berlin
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: NLE421200137
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:40:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4eb99793d7e537b442191dedf0f366c0506d31227f2787b383d69c0bf012a497
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/NLE421200137
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 0x4eb99793d7e537b442191dedf0f366c0506d31227f2787b383d69c0bf012a497. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421200137.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser, WWV 70, Act III: Heil! Heil! Der Gnade Wunder Heil! (Walther, Heinrich, Wolfram, Biterolf, Reinmar, Landgraf)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.772
  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: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.975
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
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Tannhäuser, WWV 70, Act II: Versammelt sind aus meinen Landen (Landgraf, Walther, Heinrich, Wolfram, Biterolf, Reinmar)
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by artist: Albert Dohmen
by artist: Robert Dean Smith
by artist: Peter Sonn
by artist: Michael McCown
by artist: Christian Gerhaher
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genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
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Abert: Ekkehard (Live)
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Haydn: Orlando Paladino
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T08:26:41Z
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Haydn: Die Schöpfung
type: MusicAlbum
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Mahler: Das Lied von der Erde
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T13:50:38Z
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track: Das Lied von der Erde: Der Abschied
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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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Schoeck: Elegie, Op. 36
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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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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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Lunea
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Schumann: Alle Lieder
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track: Myrthen, Op. 25: No. 1, Widmung
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track: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 2. Es treibt mich hin, es treibt mich her!
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  audio: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 2. Es treibt mich hin, es treibt mich her!
track: Myrthen, Op. 25: No. 2, Freisinn
track: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 3. Ich wandelte unter den Bäumen
track: Myrthen, Op. 25: No. 3, Der Nussbaum
track: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 4. Lieb' Liebchen, leg's Händchen aufs Herze mein
track: Myrthen, Op. 25: No. 4, Jemand
track: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 5. Schöne Wiege meiner Leiden
track: Myrthen, Op. 25: No. 5, Aus dem Schenkenbuch im Divan I - Sitz' ich allein
track: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 6. Warte, warte, wilder Schiffsmann
track: Myrthen, Op. 25: No. 6, Aus dem Schenkenbuch im Divan II - Setze mir nicht, du Grobian
track: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 7. Berg' und Burgen schau'n herunter
track: Myrthen, Op. 25: No. 7, Die Lotosblume
track: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 8. Anfangs wollt' ich fast verzagen
track: Myrthen, Op. 25: No. 8, Talismane
track: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 9. Mit Myrten und Rosen, lieblich und hold
track: Myrthen, Op. 25: No. 9, Lied der Suleika
track: Romanzen und Balladen, Vol. IV, Op. 64: 1. Die Soldatenbraut
track: Myrthen, Op. 25: No. 10, Die Hochländer-Witwe
track: Romanzen und Balladen, Vol. IV, Op. 64: 2. Das verlassene Mägdelein
track: Myrthen, Op. 25: No. 11, Lied der Braut I - Mutter, Mutter, glaube nicht
track: Romanzen und Balladen, Vol. IV, Op. 64: 3. Tragödie: No. 1, Entflieh' mit mir und sei mein Weib
track: Myrthen, Op. 25: No. 12, Lied der Braut II - Lass mich ihm an Busen hangen
track: Romanzen und Balladen, Vol. IV, Op. 64: 3. Tragödie: No. 2, Es fiel ein Reif in der Frühlingsnacht
track: Myrthen, Op. 25: No. 13, Hochländers Abschied
track: Romanzen und Balladen, Vol. IV, Op. 64: 3. Tragödie: No. 3, Auf ihrem Grab steht eine Linde
track: Myrthen, Op. 25: No. 14, Hochländisches Wiegenlied
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 1. Der Himmel hat eine Träne geweint
track: Myrthen, Op. 25: No. 15, Aus den hebräischen Gesängen
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 2. Er ist gekommen
track: Myrthen, Op. 25: No. 16, Räthsel
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 3. O ihr Herren
track: Myrthen, Op. 25: No. 17, Venetianisches Lied I - Leis' rudern hier, mein Gondolier
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 4. Liebst Du um Schönheit
track: Myrthen, Op. 25: No. 18, Venetianisches Lied II - Wenn durch die Piazzetta
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 5. Ich hab' in mich gesogen
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 6. Liebste, was kann denn uns scheiden?
track: Myrthen, Op. 25: No. 20, Weit, weit!
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 7. Schön ist das Fest des Lenzes
track: Myrthen, Op. 25: No. 21, Was will die einsame Träne
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 8. Flügel! Flügel! Um zu fliegen
track: Myrthen, Op. 25: No. 22, Niemand
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 9. Rose, Meer und Sonne
track: Myrthen, Op. 25: No. 23, Im Westen
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 10. O Sonn! O Meer, o Rose!
track: Myrthen, Op. 25: No. 24, Du bist wie eine Blume
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 11. Warum willst Du andre fragen
track: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 12. So wahr die Sonne scheinet

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

Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 2. Es treibt mich hin, es treibt mich her!
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Myrthen, Op. 25: No. 2, Freisinn
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audio: Myrthen, Op. 25: No. 2, Freisinn
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Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 3. Ich wandelte unter den Bäumen
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audio: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 3. Ich wandelte unter den Bäumen
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Myrthen, Op. 25: No. 3, Der Nussbaum
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  additional property: Valence (Positivity)
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Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 4. Lieb' Liebchen, leg's Händchen aufs Herze mein
type: MusicRecording
duration: PT0M51S
duration ms: 51573
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101447
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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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  value: 2026-07-29T19:35:34Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5977d11d564087aafa29eaa2d08272a43936a968f0ee7cd7730b8eb277c6026b. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101447.
  date published: 2026-07-29T19:35:34Z
audio: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 4. Lieb' Liebchen, leg's Händchen aufs Herze mein
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Myrthen, Op. 25: No. 4, Jemand
type: MusicRecording
duration: PT2M4S
duration ms: 124186
explicit: false
by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901299
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:02:32+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x76deac9054fcb29ba64a7204eaca4c508a5d7a2ecab23c0dfe442fe18b2a6b52
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/USSM11901299
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 0x76deac9054fcb29ba64a7204eaca4c508a5d7a2ecab23c0dfe442fe18b2a6b52. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901299.
  date published: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 4, Jemand
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  additional property: Tempo (BPM)
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    value: 167.363
  additional property: Musical Key
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Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 5. Schöne Wiege meiner Leiden
type: MusicRecording
duration: PT3M29S
duration ms: 209986
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101448
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T02:22:21+00:00
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/USSM12101448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:37:10Z
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 0x0a3d40ea5b48e3668475c37380c48dc45b249d276cc2188425c17d9e58f03900. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101448.
  date published: 2026-07-30T02:37:10Z
audio: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 5. Schöne Wiege meiner Leiden
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  additional property: Tempo (BPM)
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    value: 134.103
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Myrthen, Op. 25: No. 5, Aus dem Schenkenbuch im Divan I - Sitz' ich allein
type: MusicRecording
duration: PT0M30S
duration ms: 30973
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:32:23+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x7e071ccd8263a83cbf29c9f6c638fbd190c5aa44c0f413ccca3d4aa321f51b68
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/USSM11901300
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 0x7e071ccd8263a83cbf29c9f6c638fbd190c5aa44c0f413ccca3d4aa321f51b68. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901300.
  date published: 2026-07-08T03:22:41Z
audio: Myrthen, Op. 25: No. 5, Aus dem Schenkenbuch im Divan I - Sitz' ich allein
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.349
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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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
    type: PropertyValue
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Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 6. Warte, warte, wilder Schiffsmann
type: MusicRecording
duration: PT1M50S
duration ms: 110706
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101449
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/USSM12101449
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 0x762a962cbc2bce23c6c8305f8817ffec2377bcaf906f16a86da0982ebb469161. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101449.
  date published: 2026-07-08T03:20:19Z
audio: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 6. Warte, warte, wilder Schiffsmann
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 152.512
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Mode Name
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Myrthen, Op. 25: No. 6, Aus dem Schenkenbuch im Divan II - Setze mir nicht, du Grobian
type: MusicRecording
duration: PT0M47S
duration ms: 47840
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901301
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/USSM11901301
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 0x725b6f73f20787448d79157ec85f1223e43f0e99b3e830cb1bda201dcf7ee11e. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901301.
  date published: 2026-07-31T06:42:11Z
audio: Myrthen, Op. 25: No. 6, Aus dem Schenkenbuch im Divan II - Setze mir nicht, du Grobian
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 102.101
  additional property: Musical Key
    type: PropertyValue
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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)
    type: PropertyValue
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  additional property: Mode Name
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Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 7. Berg' und Burgen schau'n herunter
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duration: PT3M32S
duration ms: 212333
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
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  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101450
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
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additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19Z
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: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 7. Berg' und Burgen schau'n herunter
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Myrthen, Op. 25: No. 7, Die Lotosblume
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duration: PT1M44S
duration ms: 104533
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by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Alle Lieder
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  date published: 2021-09-03
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
  type: DigitalDocument
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  date published: 2026-07-30T22:27:30Z
audio: Myrthen, Op. 25: No. 7, Die Lotosblume
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Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 8. Anfangs wollt' ich fast verzagen
type: MusicRecording
duration: PT0M41S
duration ms: 41186
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
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  date published: 2021-09-03
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6a28f485768f898fd64bfcf3cdb39c69e4965dcadf94d27f652aa498c6b4172. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101451.
  date published: 2026-07-08T03:20:19Z
audio: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 8. Anfangs wollt' ich fast verzagen
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Myrthen, Op. 25: No. 8, Talismane
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duration: PT1M56S
duration ms: 116066
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901303
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
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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 0x4d0e344ad47005ecddd8eb34e1f9507f07d4481918f15fff79f5bfbd1c113cb1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901303.
  date published: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 8, Talismane
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Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 9. Mit Myrten und Rosen, lieblich und hold
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duration: PT3M49S
duration ms: 229506
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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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 0x1625ec6e2fbe4cf954a3b7346445ca748837db4fd857f9577daa7121fb2e49b4. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101452.
  date published: 2026-07-30T01:10:20Z
audio: Liederkreis nach Gedichten von Heinrich Heine, Op. 24: 9. Mit Myrten und Rosen, lieblich und hold
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Myrthen, Op. 25: No. 9, Lied der Suleika
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duration: PT2M37S
duration ms: 157920
explicit: false
by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901304
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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 0xe96b58ab4ab5a791201eb39c2e5d20634977b67c63291999bea7f972dea25674. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901304.
  date published: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 9, Lied der Suleika
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Romanzen und Balladen, Vol. IV, Op. 64: 1. Die Soldatenbraut
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duration: PT2M9S
duration ms: 129692
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by artist: Robert Schumann
by artist: Sibylla Rubens
by artist: Gerold Huber
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  date published: 2021-09-03
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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40de2b21194bbdc5bf7fa6b154bdde7d40840f28cb16ac202038c02a8162e177. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101454.
  date published: 2026-07-30T00:53:20Z
audio: Romanzen und Balladen, Vol. IV, Op. 64: 1. Die Soldatenbraut
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Myrthen, Op. 25: No. 10, Die Hochländer-Witwe
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duration: PT1M26S
duration ms: 86200
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by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
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: 2026-08-01T00:40:43Z
audio: Myrthen, Op. 25: No. 10, Die Hochländer-Witwe
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Romanzen und Balladen, Vol. IV, Op. 64: 2. Das verlassene Mägdelein
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duration: PT1M57S
duration ms: 117106
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by artist: Robert Schumann
by artist: Sibylla Rubens
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101455
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101455
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 0xd7f22296a5388ca1dc08e554ebfc975124b2535f013c90af3002e294cad6bcf2. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101455.
  date published: 2026-07-30T18:46:00Z
audio: Romanzen und Balladen, Vol. IV, Op. 64: 2. Das verlassene Mägdelein
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Myrthen, Op. 25: No. 11, Lied der Braut I - Mutter, Mutter, glaube nicht
type: MusicRecording
duration: PT2M3S
duration ms: 123853
explicit: false
by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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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
  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: 2026-07-31T15:20:15Z
audio: Myrthen, Op. 25: No. 11, Lied der Braut I - Mutter, Mutter, glaube nicht
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Romanzen und Balladen, Vol. IV, Op. 64: 3. Tragödie: No. 1, Entflieh' mit mir und sei mein Weib
type: MusicRecording
duration: PT1M19S
duration ms: 79186
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101457
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: 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 0x53bca52844c2b961141ccbc60a894a1c0692a37e54830d916cd0857c517dc244. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101457.
  date published: 2026-07-30T17:23:26Z
audio: Romanzen und Balladen, Vol. IV, Op. 64: 3. Tragödie: No. 1, Entflieh' mit mir und sei mein Weib
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Myrthen, Op. 25: No. 12, Lied der Braut II - Lass mich ihm an Busen hangen
type: MusicRecording
duration: PT1M32S
duration ms: 92946
explicit: false
by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901307
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
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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 0xbbdbd26746b9c8ff5dac9a0cc11194b8d98015ae4b8e95f8dad16794a10bd470. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901307.
  date published: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 12, Lied der Braut II - Lass mich ihm an Busen hangen
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  additional property: Danceability
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Romanzen und Balladen, Vol. IV, Op. 64: 3. Tragödie: No. 2, Es fiel ein Reif in der Frühlingsnacht
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duration: PT2M23S
duration ms: 143040
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101458
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
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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 0x5c32e7ee6f6fe131da14393cf2996afab38d15041606e82be31baacd8d4b9836. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101458.
  date published: 2026-07-08T03:20:19Z
audio: Romanzen und Balladen, Vol. IV, Op. 64: 3. Tragödie: No. 2, Es fiel ein Reif in der Frühlingsnacht
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  additional property: Valence (Positivity)
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Myrthen, Op. 25: No. 13, Hochländers Abschied
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duration: PT1M25S
duration ms: 85160
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
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  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901308
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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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
  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 0xfe72625249b95f8a486b8c9bdada44247bcbb4bb8c5e058d2682cb2edfd03cda. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901308.
  date published: 2026-08-01T01:44:32Z
audio: Myrthen, Op. 25: No. 13, Hochländers Abschied
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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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Romanzen und Balladen, Vol. IV, Op. 64: 3. Tragödie: No. 3, Auf ihrem Grab steht eine Linde
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duration: PT1M35S
duration ms: 95906
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by artist: Robert Schumann
by artist: Sibylla Rubens
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
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  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
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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 0x135678d771d8409817ab5798fd5ec754725bf92bf81d8cd9574b96af0a2b12f7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101459.
  date published: 2026-07-08T03:20:19Z
audio: Romanzen und Balladen, Vol. IV, Op. 64: 3. Tragödie: No. 3, Auf ihrem Grab steht eine Linde
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Myrthen, Op. 25: No. 14, Hochländisches Wiegenlied
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duration: PT2M51S
duration ms: 171840
explicit: false
by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901309
additional property: CopyrightID
additional property: CopyrightStatus
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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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901309
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc47f0b2776d52a3d38a3455f6eaf7b054721949e0848aa8f92105ec8773aabb4. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901309.
  date published: 2026-07-31T19:53:13Z
audio: Myrthen, Op. 25: No. 14, Hochländisches Wiegenlied
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 1. Der Himmel hat eine Träne geweint
type: MusicRecording
duration: PT2M6S
duration ms: 126306
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101461
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 0x2f8545ce885725133a9931990487dc77e7ef892ab814cb3bb4d823b48d765d0b. Chain 2 (Bitcoin): anchored in block 960210 (2026-07-30T05:21:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101461.
  date published: 2026-07-30T05:21:45Z
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 1. Der Himmel hat eine Träne geweint
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Myrthen, Op. 25: No. 15, Aus den hebräischen Gesängen
type: MusicRecording
duration: PT5M4S
duration ms: 304546
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:23:51+00:00
additional property: CopyrightChainExplorerURL
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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
  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 0x30025f7bb86b30e01602558a04d12540577e2719dfe8a3c8cb17185b21bae8ea. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901310.
  date published: 2026-07-08T03:22:41Z
audio: Myrthen, Op. 25: No. 15, Aus den hebräischen Gesängen
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  additional property: Tempo (BPM)
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  additional property: Danceability
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 2. Er ist gekommen
type: MusicRecording
duration: PT2M43S
duration ms: 163480
explicit: false
by artist: Clara Schumann
by artist: Sibylla Rubens
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: USSM12101462
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/USSM12101462
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 0x7cb8e989e9ba31dd4b71f2c8c972b276315fa496d4a0f1f5c803eef6e5817f7c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101462.
  date published: 2026-07-08T03:20:19Z
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 2. Er ist gekommen
  type: AudioObject
  additional property: Tempo (BPM)
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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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Myrthen, Op. 25: No. 16, Räthsel
type: MusicRecording
duration: PT1M45S
duration ms: 105400
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901311
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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  value: 960441
additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901311
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 0xefe94f5736b6ee13a08c69853ef94f48b9b7ae9073026b20d0469771e7151ec9. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901311.
  date published: 2026-07-31T17:29:52Z
audio: Myrthen, Op. 25: No. 16, Räthsel
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  additional property: Tempo (BPM)
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  additional property: Danceability
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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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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 3. O ihr Herren
type: MusicRecording
duration: PT0M51S
duration ms: 51373
explicit: false
by artist: Robert Schumann
by artist: Sibylla Rubens
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101463
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/USSM12101463
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
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  date published: 2026-07-30T03:35:13Z
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 3. O ihr Herren
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Myrthen, Op. 25: No. 17, Venetianisches Lied I - Leis' rudern hier, mein Gondolier
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duration: PT1M46S
duration ms: 106453
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by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
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  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901312
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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: 2026-07-31T19:53:13Z
audio: Myrthen, Op. 25: No. 17, Venetianisches Lied I - Leis' rudern hier, mein Gondolier
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 4. Liebst Du um Schönheit
type: MusicRecording
duration: PT1M50S
duration ms: 110040
explicit: false
by artist: Clara Schumann
by artist: Sibylla Rubens
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: USSM12101464
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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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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d836f29f9a9243758613e25fde035941f1c03364dab2ed7f1551b977af4ab4a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101464.
  date published: 2026-07-08T03:22:41Z
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 4. Liebst Du um Schönheit
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Myrthen, Op. 25: No. 18, Venetianisches Lied II - Wenn durch die Piazzetta
type: MusicRecording
duration: PT1M1S
duration ms: 61880
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901313
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fd2e767c27892b50fa5630a27f61ce7e6fe028ccd1c4e27000381754b017c13. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901313.
  date published: 2026-07-31T19:53:13Z
audio: Myrthen, Op. 25: No. 18, Venetianisches Lied II - Wenn durch die Piazzetta
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 5. Ich hab' in mich gesogen
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duration: PT1M57S
duration ms: 117466
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
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  date published: 2021-09-03
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101465
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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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  value: 2026-07-30T20:09:33Z
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 0xcf91d591b1077ad3b8c3e9f6d79698ebe4d2bddfc6806e109fce19bf68e6d144. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101465.
  date published: 2026-07-30T20:09:33Z
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 5. Ich hab' in mich gesogen
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 6. Liebste, was kann denn uns scheiden?
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duration: PT2M18S
duration ms: 138453
explicit: false
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by artist: Sibylla Rubens
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Alle Lieder
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genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM12101466
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xd6525f7192fbaf91a042d09858259ef210675a11c1b8b2d58ab87b35d1ed3018. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12101466.
  date published: 2026-07-30T15:42:38Z
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 6. Liebste, was kann denn uns scheiden?
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Myrthen, Op. 25: No. 20, Weit, weit!
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duration ms: 166813
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by artist: Camilla Tilling
by artist: Gerold Huber
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genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901315
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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
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additional property: OTSTimestamp
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  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 0x0a2134dedbc24ec94710a1fdc25c3b3053ebfbf8ccdd4165a077853ae5710e35. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901315.
  date published: 2026-07-08T03:22:41Z
audio: Myrthen, Op. 25: No. 20, Weit, weit!
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 7. Schön ist das Fest des Lenzes
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  date published: 2026-07-30T09:57:33Z
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Myrthen, Op. 25: No. 21, Was will die einsame Träne
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T03:15:04Z
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 8. Flügel! Flügel! Um zu fliegen
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T10:06:30Z
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Myrthen, Op. 25: No. 22, Niemand
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T21:25:57Z
audio: Myrthen, Op. 25: No. 22, Niemand
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 9. Rose, Meer und Sonne
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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
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 9. Rose, Meer und Sonne
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Myrthen, Op. 25: No. 23, Im Westen
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
audio: Myrthen, Op. 25: No. 23, Im Westen
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 10. O Sonn! O Meer, o Rose!
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T21:35:24Z
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 10. O Sonn! O Meer, o Rose!
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Myrthen, Op. 25: No. 24, Du bist wie eine Blume
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 24, Du bist wie eine Blume
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 11. Warum willst Du andre fragen
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T22:27:30Z
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 11. Warum willst Du andre fragen
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Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 12. So wahr die Sonne scheinet
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: Zwölf Gedichte aus Friedrich Rückerts "Liebesfrühling", Op. 37: 12. So wahr die Sonne scheinet
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Schumann: Myrthen
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track: Myrthen, Op. 25: No. 1, Widmung
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
  audio: Myrthen, Op. 25: No. 1, Widmung
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track: Myrthen, Op. 25: No. 2, Freisinn
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T17:23:26Z
  audio: Myrthen, Op. 25: No. 2, Freisinn
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track: Myrthen, Op. 25: No. 3, Der Nussbaum
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  subject of: OpenTimestamps Proof of Existence
  audio: Myrthen, Op. 25: No. 3, Der Nussbaum
track: Myrthen, Op. 25: No. 4, Jemand
track: Myrthen, Op. 25: No. 6, Aus dem Schenkenbuch im Divan II - Setze mir nicht, du Grobian
track: Myrthen, Op. 25: No. 7, Die Lotosblume
track: Myrthen, Op. 25: No. 8, Talismane
track: Myrthen, Op. 25: No. 9, Lied der Suleika
track: Myrthen, Op. 25: No. 10, Die Hochländer-Witwe
track: Myrthen, Op. 25: No. 11, Lied der Braut I - Mutter, Mutter, glaube nicht
track: Myrthen, Op. 25: No. 12, Lied der Braut II - Lass mich ihm an Busen hangen
track: Myrthen, Op. 25: No. 13, Hochländers Abschied
track: Myrthen, Op. 25: No. 14, Hochländisches Wiegenlied
track: Myrthen, Op. 25: No. 15, Aus den hebräischen Gesängen
track: Myrthen, Op. 25: No. 16, Räthsel
track: Myrthen, Op. 25: No. 17, Venetianisches Lied I - Leis' rudern hier, mein Gondolier
track: Myrthen, Op. 25: No. 18, Venetianisches Lied II - Wenn durch die Piazzetta
track: Myrthen, Op. 25: No. 21, Was will die einsame Träne
track: Myrthen, Op. 25: No. 23, Im Westen
track: Myrthen, Op. 25: No. 24, Du bist wie eine Blume
track: Myrthen, Op. 25: No. 25, Aus den östlichen Rosen
track: Myrthen, Op. 25: No. 26, Zum Schluss

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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Myrthen, Op. 25: No. 3, Der Nussbaum
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Myrthen, Op. 25: No. 4, Jemand
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by artist: Camilla Tilling
by artist: Gerold Huber
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popularity: 2
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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: Myrthen, Op. 25: No. 4, Jemand
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Myrthen, Op. 25: No. 6, Aus dem Schenkenbuch im Divan II - Setze mir nicht, du Grobian
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by artist: Christian Gerhaher
by artist: Gerold Huber
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popularity: 2
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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: 2026-08-01T02:22:04Z
audio: Myrthen, Op. 25: No. 6, Aus dem Schenkenbuch im Divan II - Setze mir nicht, du Grobian
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Myrthen, Op. 25: No. 7, Die Lotosblume
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by artist: Camilla Tilling
by artist: Gerold Huber
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popularity: 3
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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:58:21Z
audio: Myrthen, Op. 25: No. 7, Die Lotosblume
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Myrthen, Op. 25: No. 8, Talismane
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duration ms: 115760
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Myrthen
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popularity: 2
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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 8, Talismane
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Myrthen, Op. 25: No. 9, Lied der Suleika
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duration: PT2M37S
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by artist: Camilla Tilling
by artist: Gerold Huber
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popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
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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
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe96b58ab4ab5a791201eb39c2e5d20634977b67c63291999bea7f972dea25674. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901304.
  date published: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 9, Lied der Suleika
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Myrthen, Op. 25: No. 10, Die Hochländer-Witwe
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duration: PT1M26S
duration ms: 86200
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by artist: Camilla Tilling
by artist: Gerold Huber
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  date published: 2019-10-11
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightStatus
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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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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0ac9b752248afbee1ef69660b00ec4198ec6b8a3f91057ab969d310cdae7390. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901305.
  date published: 2026-07-31T12:24:41Z
audio: Myrthen, Op. 25: No. 10, Die Hochländer-Witwe
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Myrthen, Op. 25: No. 11, Lied der Braut I - Mutter, Mutter, glaube nicht
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by artist: Camilla Tilling
by artist: Gerold Huber
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popularity: 2
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: 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 0x06bfd750510c5ccd178e604645a2c9a1a78f502c06afc53567b9fabc3ddf7334. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901306.
  date published: 2026-07-31T08:26:41Z
audio: Myrthen, Op. 25: No. 11, Lied der Braut I - Mutter, Mutter, glaube nicht
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  additional property: Mode Name
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Myrthen, Op. 25: No. 12, Lied der Braut II - Lass mich ihm an Busen hangen
type: MusicRecording
duration: PT1M32S
duration ms: 92946
explicit: false
by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901307
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T17:28:34+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/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901307
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xbbdbd26746b9c8ff5dac9a0cc11194b8d98015ae4b8e95f8dad16794a10bd470. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901307.
  date published: 2026-07-08T03:53:27Z
audio: Myrthen, Op. 25: No. 12, Lied der Braut II - Lass mich ihm an Busen hangen
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  additional property: Danceability
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Myrthen, Op. 25: No. 13, Hochländers Abschied
type: MusicRecording
duration: PT1M25S
duration ms: 85160
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:48:10+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xfe72625249b95f8a486b8c9bdada44247bcbb4bb8c5e058d2682cb2edfd03cda
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/USSM11901308
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 0xfe72625249b95f8a486b8c9bdada44247bcbb4bb8c5e058d2682cb2edfd03cda. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901308.
  date published: 2026-07-31T02:19:15Z
audio: Myrthen, Op. 25: No. 13, Hochländers Abschied
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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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: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -23.357
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Myrthen, Op. 25: No. 14, Hochländisches Wiegenlied
type: MusicRecording
duration: PT2M52S
duration ms: 172066
explicit: false
by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:37:18+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xc47f0b2776d52a3d38a3455f6eaf7b054721949e0848aa8f92105ec8773aabb4
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/USSM11901309
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 0xc47f0b2776d52a3d38a3455f6eaf7b054721949e0848aa8f92105ec8773aabb4. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901309.
  date published: 2026-07-31T18:48:12Z
audio: Myrthen, Op. 25: No. 14, Hochländisches Wiegenlied
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.268
  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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    value: D
  additional property: Mode Name
    type: PropertyValue
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Myrthen, Op. 25: No. 15, Aus den hebräischen Gesängen
type: MusicRecording
duration: PT5M4S
duration ms: 304320
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T12:23:51+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x30025f7bb86b30e01602558a04d12540577e2719dfe8a3c8cb17185b21bae8ea
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/USSM11901310
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 0x30025f7bb86b30e01602558a04d12540577e2719dfe8a3c8cb17185b21bae8ea. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901310.
  date published: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 15, Aus den hebräischen Gesängen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.096
  additional property: Musical Key
    type: PropertyValue
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  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: 0.237
  additional property: Energy
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    value: 0.012
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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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)
    type: PropertyValue
    value: -28.734
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Myrthen, Op. 25: No. 16, Räthsel
type: MusicRecording
duration: PT1M45S
duration ms: 105506
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901311
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xefe94f5736b6ee13a08c69853ef94f48b9b7ae9073026b20d0469771e7151ec9
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960489
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960489
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901311
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:40:43Z
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 0xefe94f5736b6ee13a08c69853ef94f48b9b7ae9073026b20d0469771e7151ec9. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901311.
  date published: 2026-08-01T00:40:43Z
audio: Myrthen, Op. 25: No. 16, Räthsel
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 132.558
  additional property: Musical Key
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    value: 11
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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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
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.506
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.347
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Myrthen, Op. 25: No. 17, Venetianisches Lied I - Leis' rudern hier, mein Gondolier
type: MusicRecording
duration: PT1M46S
duration ms: 106346
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11901312
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:37:19+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/USSM11901312
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 0x0f511f66ec16881dff26aedd27653bb4e4c1beaf0a4df156cde2357d05411d7c. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901312.
  date published: 2026-07-31T02:19:15Z
audio: Myrthen, Op. 25: No. 17, Venetianisches Lied I - Leis' rudern hier, mein Gondolier
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 143.233
  additional property: Musical Key
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    value: 7
  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: 0.388
  additional property: Energy
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    value: 0.019
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0.001
  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.221
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.149
  additional property: Key Name
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  additional property: Mode Name
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Myrthen, Op. 25: No. 18, Venetianisches Lied II - Wenn durch die Piazzetta
type: MusicRecording
duration: PT1M1S
duration ms: 61880
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Myrthen
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  date published: 2019-10-11
popularity: 1
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: 2026-08-01T01:44:32Z
audio: Myrthen, Op. 25: No. 18, Venetianisches Lied II - Wenn durch die Piazzetta
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Myrthen, Op. 25: No. 21, Was will die einsame Träne
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duration: PT2M24S
duration ms: 144706
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by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
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popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
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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: 2026-07-31T17:29:52Z
audio: Myrthen, Op. 25: No. 21, Was will die einsame Träne
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Myrthen, Op. 25: No. 23, Im Westen
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duration: PT1M5S
duration ms: 65000
explicit: false
by artist: Robert Schumann
by artist: Camilla Tilling
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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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: 2026-08-01T00:10:46Z
audio: Myrthen, Op. 25: No. 23, Im Westen
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Myrthen, Op. 25: No. 24, Du bist wie eine Blume
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duration: PT1M39S
duration ms: 99506
explicit: false
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by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 3
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 24, Du bist wie eine Blume
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Myrthen, Op. 25: No. 25, Aus den östlichen Rosen
type: MusicRecording
duration: PT1M49S
duration ms: 109120
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Myrthen, Op. 25: No. 25, Aus den östlichen Rosen
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Myrthen, Op. 25: No. 26, Zum Schluss
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duration: PT2M18S
duration ms: 138560
explicit: false
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by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Myrthen
  type: MusicAlbum
  date published: 2019-10-11
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9dd392085468636963d8ccc8b56d12b7db3485c8bd7ccc8e13f092ab96a482d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11901321.
  date published: 2026-07-08T03:20:19Z
audio: Myrthen, Op. 25: No. 26, Zum Schluss
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Schumann: Frage
type: MusicAlbum
date published: 2018-11-16
track: Sechs Gesänge, Op. 107: No. 1, Herzeleid
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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: 2026-07-02T03:55:08Z
  audio: Sechs Gesänge, Op. 107: No. 1, Herzeleid
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    additional property: Danceability
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T12:24:41Z
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  subject of: OpenTimestamps Proof of Existence
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track: Sechs Gesänge, Op. 107: No. 4, Die Spinnerin
track: Sechs Gesänge, Op. 107: No. 5, Im Wald
track: Sechs Gesänge, Op. 107: No. 6, Abendlied
track: Romanzen und Balladen, Vol. II, Op. 49: No. 1, Die beiden Grenadiere
track: Drei Gesänge, Op. 83: No. 3, Der Einsiedler
track: Zwölf Gedichte, Op. 35: No. 2, Stirb, Lieb' und Freud'!
track: Zwölf Gedichte, Op. 35: No. 4, Erstes Grün
track: Zwölf Gedichte, Op. 35: No. 9, Frage

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-31T04:14:58Z

Sechs Gesänge, Op. 107: No. 3, Der Gärtner
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Sechs Gesänge, Op. 107: No. 4, Die Spinnerin
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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
audio: Sechs Gesänge, Op. 107: No. 4, Die Spinnerin
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Sechs Gesänge, Op. 107: No. 5, Im Wald
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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
audio: Sechs Gesänge, Op. 107: No. 5, Im Wald
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Sechs Gesänge, Op. 107: No. 6, Abendlied
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T04:14:58Z
audio: Sechs Gesänge, Op. 107: No. 6, Abendlied
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Romanzen und Balladen, Vol. II, Op. 49: No. 1, Die beiden Grenadiere
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:33:26Z
audio: Romanzen und Balladen, Vol. II, Op. 49: No. 1, Die beiden Grenadiere
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Drei Gesänge, Op. 83: No. 3, Der Einsiedler
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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 0xbd7ace3eea4593602db09d621496a552049049605e876944ee9605d8f9c0c5d0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11807040.
  date published: 2026-07-08T03:20:19Z
audio: Drei Gesänge, Op. 83: No. 3, Der Einsiedler
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Zwölf Gedichte, Op. 35: No. 2, Stirb, Lieb' und Freud'!
type: MusicRecording
duration: PT5M41S
duration ms: 341466
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Frage
  type: MusicAlbum
  date published: 2018-11-16
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11807043
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/USSM11807043
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 0x9a1844003410bca4d37c73ba49578022359da6ac82d08588dfdc0b228f3a3bdb. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11807043.
  date published: 2026-07-30T15:42:38Z
audio: Zwölf Gedichte, Op. 35: No. 2, Stirb, Lieb' und Freud'!
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Zwölf Gedichte, Op. 35: No. 4, Erstes Grün
type: MusicRecording
duration: PT1M55S
duration ms: 115466
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Frage
  type: MusicAlbum
  date published: 2018-11-16
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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 0x6418c50d53e69b804161966269bf86b039e49658301d1f429ff1fcdbc26719ed. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11807045.
  date published: 2026-07-08T03:22:41Z
audio: Zwölf Gedichte, Op. 35: No. 4, Erstes Grün
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Zwölf Gedichte, Op. 35: No. 9, Frage
type: MusicRecording
duration: PT1M12S
duration ms: 72413
explicit: false
by artist: Robert Schumann
by artist: Christian Gerhaher
by artist: Gerold Huber
in album: Schumann: Frage
  type: MusicAlbum
  date published: 2018-11-16
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11807050
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
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  date published: 2026-08-01T00:15:43Z
audio: Zwölf Gedichte, Op. 35: No. 9, Frage
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  additional property: Tempo (BPM)
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Schubert: Die schöne Müllerin, D. 795
type: MusicAlbum
date published: 2017-10-06
track: Die schöne Müllerin, Op. 25, D. 795: Der Dichter, als Prolog
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  by artist: Christian Gerhaher
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    type: MusicAlbum
    date published: 2017-10-06
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc801e20a3ef4f636d7f084fe39ed0d361dd06f98efc7a2d77eb5466828e6d745. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701639.
    date published: 2026-07-08T03:20:19Z
  audio: Die schöne Müllerin, Op. 25, D. 795: Der Dichter, als Prolog
    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: Danceability
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track: Die schöne Müllerin, Op. 25, D. 795: 1. Das Wandern
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  genre: classical
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  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
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    date published: 2026-07-30T18:23:33Z
  audio: Die schöne Müllerin, Op. 25, D. 795: 1. Das Wandern
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    additional property: Acousticness
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track: Die schöne Müllerin, Op. 25, D. 795: 2. Wohin?
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  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Die schöne Müllerin, Op. 25, D. 795: 2. Wohin?
track: Die schöne Müllerin, Op. 25, D. 795: 3. Halt!
track: Die schöne Müllerin, Op. 25, D. 795: 4. Danksagung an den Bach
track: Die schöne Müllerin, Op. 25, D. 795: 5. Am Feierabend
track: Die schöne Müllerin, Op. 25, D. 795: 6. Der Neugierige
track: Die schöne Müllerin, Op. 25, D. 795: Das Mühlenleben
track: Die schöne Müllerin, Op. 25, D. 795: 7. Ungeduld
track: Die schöne Müllerin, Op. 25, D. 795: 8. Morgengruß
track: Die schöne Müllerin, Op. 25, D. 795: 9. Des Müllers Blumen
track: Die schöne Müllerin, Op. 25, D. 795: 10. Tränenregen
track: Die schöne Müllerin, Op. 25, D. 795: 11. Mein!
track: Die schöne Müllerin, Op. 25, D. 795: 12. Pause
track: Die schöne Müllerin, Op. 25, D. 795: 13. Mit dem grünen Lautenbande
track: Die schöne Müllerin, Op. 25, D. 795: 14. Der Jäger
track: Die schöne Müllerin, Op. 25, D. 795: 16. Die liebe Farbe
track: Die schöne Müllerin, Op. 25, D. 795: 17. Die böse Farbe
track: Die schöne Müllerin, Op. 25, D. 795: 18. Trockne Blumen
track: Die schöne Müllerin, Op. 25, D. 795: 19. Der Müller und der Bach
track: Die schöne Müllerin, Op. 25, D. 795: 20. Des Baches Wiegenlied

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x04e6e2b3658e36ff7f497f0c66eab76c0febdc1e8987ab8afc4743bf29fa51c9

OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/956960

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701641

OTSTimestamp
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value: 2026-07-06T23:19:16Z

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: 2026-07-06T23:19:16Z

Die schöne Müllerin, Op. 25, D. 795: 2. Wohin?
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Die schöne Müllerin, Op. 25, D. 795: 3. Halt!
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  date published: 2026-07-30T17:23:26Z
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Die schöne Müllerin, Op. 25, D. 795: 4. Danksagung an den Bach
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
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Die schöne Müllerin, Op. 25, D. 795: 5. Am Feierabend
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
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Die schöne Müllerin, Op. 25, D. 795: 6. Der Neugierige
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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 schöne Müllerin, Op. 25, D. 795: Das Mühlenleben
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T20:42:35Z
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Die schöne Müllerin, Op. 25, D. 795: 7. Ungeduld
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
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Die schöne Müllerin, Op. 25, D. 795: 8. Morgengruß
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701648
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 0x75805d25ee88c9b99f1a6b425f30350f13bc9efd263b7148b7d9362d6f40880c. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701648.
  date published: 2026-07-30T21:35:24Z
audio: Die schöne Müllerin, Op. 25, D. 795: 8. Morgengruß
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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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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.358
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.064
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.081
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.479
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die schöne Müllerin, Op. 25, D. 795: 9. Des Müllers Blumen
type: MusicRecording
duration: PT3M27S
duration ms: 207800
explicit: false
by artist: Franz Schubert
by artist: Christian Gerhaher
in album: Schubert: Die schöne Müllerin, D. 795
  type: MusicAlbum
  date published: 2017-10-06
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11701649
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:54:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb41f0ca0f0360e56560bbd28fbf6ad7513041153e067da9dfcf1ecc67db39e1
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/USSM11701649
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 0xdb41f0ca0f0360e56560bbd28fbf6ad7513041153e067da9dfcf1ecc67db39e1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701649.
  date published: 2026-07-08T03:20:19Z
audio: Die schöne Müllerin, Op. 25, D. 795: 9. Des Müllers Blumen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.07
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.27
  additional property: Energy
    type: PropertyValue
    value: 0.065
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.121
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.176
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die schöne Müllerin, Op. 25, D. 795: 10. Tränenregen
type: MusicRecording
duration: PT3M40S
duration ms: 220680
explicit: false
by artist: Franz Schubert
by artist: Christian Gerhaher
in album: Schubert: Die schöne Müllerin, D. 795
  type: MusicAlbum
  date published: 2017-10-06
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11701650
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:35:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba16653eaad36d5b7f213de1b911be9a79d1951c3ee694594540b5f76bb3803b
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/USSM11701650
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 0xba16653eaad36d5b7f213de1b911be9a79d1951c3ee694594540b5f76bb3803b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701650.
  date published: 2026-07-08T03:20:19Z
audio: Die schöne Müllerin, Op. 25, D. 795: 10. Tränenregen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.625
  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: 0.277
  additional property: Energy
    type: PropertyValue
    value: 0.048
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.215
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.866
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die schöne Müllerin, Op. 25, D. 795: 11. Mein!
type: MusicRecording
duration: PT2M19S
duration ms: 139093
explicit: false
by artist: Franz Schubert
by artist: Christian Gerhaher
in album: Schubert: Die schöne Müllerin, D. 795
  type: MusicAlbum
  date published: 2017-10-06
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11701651
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:11:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d8cb65dc011062f48111b61ec074e48235adaf74f96dbc226620f7a64caf893
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/USSM11701651
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 0x3d8cb65dc011062f48111b61ec074e48235adaf74f96dbc226620f7a64caf893. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701651.
  date published: 2026-07-31T13:04:34Z
audio: Die schöne Müllerin, Op. 25, D. 795: 11. Mein!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.145
  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: 0.497
  additional property: Energy
    type: PropertyValue
    value: 0.358
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.6
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.882
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die schöne Müllerin, Op. 25, D. 795: 12. Pause
type: MusicRecording
duration: PT4M44S
duration ms: 284013
explicit: false
by artist: Franz Schubert
by artist: Christian Gerhaher
in album: Schubert: Die schöne Müllerin, D. 795
  type: MusicAlbum
  date published: 2017-10-06
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11701652
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:07:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8909d0c5150a858f56ed26a601eaf459b0be71c3af21b4b9a43f045c929a7c34
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/USSM11701652
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 0x8909d0c5150a858f56ed26a601eaf459b0be71c3af21b4b9a43f045c929a7c34. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701652.
  date published: 2026-07-31T17:29:52Z
audio: Die schöne Müllerin, Op. 25, D. 795: 12. Pause
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.378
  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: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.029
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.131
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.577
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die schöne Müllerin, Op. 25, D. 795: 13. Mit dem grünen Lautenbande
type: MusicRecording
duration: PT2M2S
duration ms: 122306
explicit: false
by artist: Franz Schubert
by artist: Christian Gerhaher
in album: Schubert: Die schöne Müllerin, D. 795
  type: MusicAlbum
  date published: 2017-10-06
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11701653
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:02:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73dabb687931e9ba955c614847f5c8f2faa42fadfaba08edc7d58af9e7421060
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/USSM11701653
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 0x73dabb687931e9ba955c614847f5c8f2faa42fadfaba08edc7d58af9e7421060. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701653.
  date published: 2026-07-08T03:20:19Z
audio: Die schöne Müllerin, Op. 25, D. 795: 13. Mit dem grünen Lautenbande
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.505
  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: 0.553
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.16
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.435
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.546
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die schöne Müllerin, Op. 25, D. 795: 14. Der Jäger
type: MusicRecording
duration: PT1M10S
duration ms: 70653
explicit: false
by artist: Franz Schubert
by artist: Christian Gerhaher
in album: Schubert: Die schöne Müllerin, D. 795
  type: MusicAlbum
  date published: 2017-10-06
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSM11701654
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:57:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x11c1f4449335dd60a7feb442ee8d2f8bb894a6440c81c91e02bbb3f431733bea
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/USSM11701654
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 0x11c1f4449335dd60a7feb442ee8d2f8bb894a6440c81c91e02bbb3f431733bea. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11701654.
  date published: 2026-07-08T03:20:19Z
audio: Die schöne Müllerin, Op. 25, D. 795: 14. Der Jäger
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.549
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.64
  additional property: Energy
    type: PropertyValue
    value: 0.503
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.964
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.336
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Die schöne Müllerin, Op. 25, D. 795: 16. Die liebe Farbe
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by artist: Christian Gerhaher
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Die schöne Müllerin, Op. 25, D. 795: 17. Die böse Farbe
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by artist: Christian Gerhaher
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Die schöne Müllerin, Op. 25, D. 795: 18. Trockne Blumen
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by artist: Christian Gerhaher
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genre: classical
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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
audio: Die schöne Müllerin, Op. 25, D. 795: 18. Trockne Blumen
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Die schöne Müllerin, Op. 25, D. 795: 19. Der Müller und der Bach
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by artist: Christian Gerhaher
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
audio: Die schöne Müllerin, Op. 25, D. 795: 19. Der Müller und der Bach
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Die schöne Müllerin, Op. 25, D. 795: 20. Des Baches Wiegenlied
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by artist: Christian Gerhaher
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genre: classical
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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
audio: Die schöne Müllerin, Op. 25, D. 795: 20. Des Baches Wiegenlied
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Debussy: Pelléas et Mélisande
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date published: 2017-10-06
track: Pelléas et Mélisande, L. 88, Acte 1 Scène 1 "Une forêt": "Je ne pourrai plus sortir"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T21:51:49Z
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track: Pelléas et Mélisande, L. 88, Acte 3 Scène 1 "Une des tours du château": "Mes longs cheveux descendent"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T20:42:35Z
  audio: Pelléas et Mélisande, L. 88, Acte 3 Scène 1 "Une des tours du château": "Mes longs cheveux descendent"
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track: Pelléas et Mélisande, L. 88, Acte 1 Scène 1 "Une forêt": "Pourquoi pleures-tu?"
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  by artist: Magdalena Kožená
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  by artist: Sir Simon Rattle
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    date published: 2017-10-06
  popularity: 2
  genre: classical
  genre: impressionism
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  subject of: OpenTimestamps Proof of Existence
  audio: Pelléas et Mélisande, L. 88, Acte 1 Scène 1 "Une forêt": "Pourquoi pleures-tu?"
track: Pelléas et Mélisande, L. 88, Acte 1 Scène 1 "Une forêt": Interlude
track: Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": "Voici ce qu'il écrit à son frère"
track: Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": "Qu'en dites-vous?"
track: Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": Interlude (II)
track: Pelléas et Mélisande, L. 88, Acte 1 Scène 3 "Devant le château": "Il fait sombre dans les jardins"
track: Pelléas et Mélisande, L. 88, Acte 1 Scène 3 "Devant le château": "Hoé! hisse hoé!"
track: Pelléas et Mélisande, L. 88, Acte 2 Scène 1 "Une fontaine dans le parc": "Vous ne savez pas où je vous ai menée ?"
track: Pelléas et Mélisande, L. 88, Acte 2 Scène 1 "Une fontaine dans le parc": "C'est au bord d'une fontaine"

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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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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e3bc39f9b8b1ab6572b586ac567ca82c105143d424759d445102b44ddad53d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBDGQ1729002.
date published: 2026-07-31T00:26:26Z

Pelléas et Mélisande, L. 88, Acte 1 Scène 1 "Une forêt": "Pourquoi pleures-tu?"
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Pelléas et Mélisande, L. 88, Acte 1 Scène 1 "Une forêt": Interlude
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duration: PT2M24S
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by artist: Claude Debussy
by artist: London Symphony Orchestra
by artist: Sir Simon Rattle
in album: Debussy: Pelléas et Mélisande
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popularity: 2
genre: classical
genre: impressionism
genre: post-romantic-era
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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: 2026-07-08T03:20:19Z
audio: Pelléas et Mélisande, L. 88, Acte 1 Scène 1 "Une forêt": Interlude
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Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": "Voici ce qu'il écrit à son frère"
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duration: PT3M16S
duration ms: 196693
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by artist: Claude Debussy
by artist: Bernarda Fink
by artist: Sir Simon Rattle
by artist: London Symphony Orchestra
in album: Debussy: Pelléas et Mélisande
  type: MusicAlbum
  date published: 2017-10-06
popularity: 2
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: GBDGQ1729004
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: 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: 2026-07-31T21:25:57Z
audio: Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": "Voici ce qu'il écrit à son frère"
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Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": "Qu'en dites-vous?"
type: MusicRecording
duration: PT6M25S
duration ms: 385106
explicit: false
by artist: Claude Debussy
by artist: Christian Gerhaher
by artist: Sir Simon Rattle
by artist: Bernarda Fink
by artist: Franz-Josef Selig
by artist: London Symphony Orchestra
in album: Debussy: Pelléas et Mélisande
  type: MusicAlbum
  date published: 2017-10-06
popularity: 1
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: GBDGQ1729005
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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b6c7a418b3a4c5834be1539d431c0175bde373c8ac9299208d0bc6514a20bf6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBDGQ1729005.
  date published: 2026-07-30T21:35:24Z
audio: Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": "Qu'en dites-vous?"
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Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": Interlude (II)
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duration: PT1M23S
duration ms: 83333
explicit: false
by artist: Claude Debussy
by artist: London Symphony Orchestra
by artist: Sir Simon Rattle
in album: Debussy: Pelléas et Mélisande
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  date published: 2017-10-06
popularity: 1
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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 0x83d01caacb522e605779d61f542b7bfaea399322f540b93c58620845d254fd7d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBDGQ1729006.
  date published: 2026-07-31T15:20:15Z
audio: Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": Interlude (II)
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Pelléas et Mélisande, L. 88, Acte 1 Scène 3 "Devant le château": "Il fait sombre dans les jardins"
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duration: PT2M53S
duration ms: 173253
explicit: false
by artist: Claude Debussy
by artist: Christian Gerhaher
by artist: Bernarda Fink
by artist: London Symphony Orchestra
by artist: Magdalena Kožená
by artist: Sir Simon Rattle
in album: Debussy: Pelléas et Mélisande
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  date published: 2017-10-06
popularity: 1
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: GBDGQ1729007
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
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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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Pelléas et Mélisande, L. 88, Acte 1 Scène 3 "Devant le château": "Hoé! hisse hoé!"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T21:25:57Z
audio: Pelléas et Mélisande, L. 88, Acte 1 Scène 3 "Devant le château": "Hoé! hisse hoé!"
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Pelléas et Mélisande, L. 88, Acte 2 Scène 1 "Une fontaine dans le parc": "Vous ne savez pas où je vous ai menée ?"
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Brahms: Die schöne Magelone
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Beethoven, Britten & Haydn: FolksLied (Live)
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Mozart Arias
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T13:04:34Z
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track: Il dissoluto punito ossia il Don Giovanni, K. 527, Act II, Scene 3, No. 16: Deh vieni alla finestra
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T19:35:34Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 36 in C Major, K. 425 "Linz Symphony": IV. Presto
track: Die Zauberflöte, KV. 620, Act I, No. 2: Der Vogelfänger bin ich ja
track: Die Zauberflöte, KV. 620, Act II, No. 20: Ein Mädchen oder Weibchen wünscht Papageno sich
track: Le nozze di Figaro, K. 492, Act I, Scene 8, No. 10: Non più andrai, farfallone amoroso

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OpenTimestamps Proof of Existence
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date published: 2026-08-01T01:44:32Z

Symphony No. 36 in C Major, K. 425 "Linz Symphony": IV. Presto
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Die Zauberflöte, KV. 620, Act I, No. 2: Der Vogelfänger bin ich ja
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subject of: OpenTimestamps Proof of Existence
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Die Zauberflöte, KV. 620, Act II, No. 20: Ein Mädchen oder Weibchen wünscht Papageno sich
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, KV. 620, Act II, No. 20: Ein Mädchen oder Weibchen wünscht Papageno sich
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Le nozze di Figaro, K. 492, Act I, Scene 8, No. 10: Non più andrai, farfallone amoroso
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:57:33Z
audio: Le nozze di Figaro, K. 492, Act I, Scene 8, No. 10: Non più andrai, farfallone amoroso
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Robert Schumann: Szenen aus Goethes Faust, WoO 3
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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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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  audio: Szenen aus Goethes Faust, WoO 3 Pt. II: Gretchen vor dem Bild der Mater Dolorosa
track: Szenen aus Goethes Faust, WoO 3 Pt. VII: Fausts Verklärung. Wie Felsenabgrund mir zu Füßen
track: Szenen aus Goethes Faust, WoO 3 Pt. III: Szene im Dom
track: Szenen aus Goethes Faust, WoO 3 Pt. VII: Fausts Verklärung. Welch ein Morgenwölkchen schwebet
track: Szenen aus Goethes Faust, WoO 3 Pt. IV: Sonnenaufgang. Die ihr dies Haupt umschwebt im luft'gen Kreise
track: Szenen aus Goethes Faust, WoO 3 Pt. VII: Fausts Verklärung. Gerettet ist das edle Glied (1)

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

Szenen aus Goethes Faust, WoO 3 Pt. II: Gretchen vor dem Bild der Mater Dolorosa
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Szenen aus Goethes Faust, WoO 3 Pt. VII: Fausts Verklärung. Wie Felsenabgrund mir zu Füßen
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by artist: Bavarian Radio Chorus
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popularity: 1
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T23:30:38Z
audio: Szenen aus Goethes Faust, WoO 3 Pt. VII: Fausts Verklärung. Wie Felsenabgrund mir zu Füßen
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Szenen aus Goethes Faust, WoO 3 Pt. III: Szene im Dom
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popularity: 2
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subject of: OpenTimestamps Proof of Existence
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Szenen aus Goethes Faust, WoO 3 Pt. VII: Fausts Verklärung. Welch ein Morgenwölkchen schwebet
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popularity: 1
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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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Szenen aus Goethes Faust, WoO 3 Pt. IV: Sonnenaufgang. Die ihr dies Haupt umschwebt im luft'gen Kreise
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T04:47:22Z
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Szenen aus Goethes Faust, WoO 3 Pt. VII: Fausts Verklärung. Gerettet ist das edle Glied (1)
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