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genre: opera
genre: requiem
popularity: 3
followers: 65
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subject of: OpenTimestamps Proof of Existence
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album: Reger: Orchestral Songs
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  date published: 2016-09-09
album: Lamenti
  type: MusicAlbum
  date published: 2011-10-04
album: Nicola Campogrande: Sinfonia No. 2 "Un mondo nuovo"
  type: MusicAlbum
  date published: 2023-06-30
album: Wagner: Das Rheingold, WWV 86A (Live)
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  date published: 2015-11-06
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    by artist: Bavarian Radio Symphony Orchestra
    by artist: Sir Simon Rattle
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      date published: 2015-11-06
    genre: classical
    genre: opera
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-29T11:07:37Z
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  track: Das Rheingold: Scene 1: Weia! Waga! Woge, du Welle! (Woglinde, Wellgunde, Flosshilde)
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-30T22:27:30Z
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  track: Das Rheingold: Scene 1: Hehe! Ihr Nicker! (Alberich, Woglinde, Wellgunde, Flosshilde)
  track: Das Rheingold: Scene 1: Garstig glatter glitschiger Glimmer! (Alberich, Woglinde, Wellgunde, Flosshilde)
  track: Das Rheingold: Scene 1: Lugt, Schwestern! Die Weckerin lacht in den Grund (Woglinde, Wellgunde, Flosshilde, Alberich)
  track: Das Rheingold: Scene 1: Der Welt Erbe gewann' ich zu eigen durch dich? (Alberich, Woglinde, Wellgunde, Flosshilde)
  track: Das Rheingold: Scene 2: Einleitung
  track: Das Rheingold: Scene 2: Wotan! Gemahl! Erwache! (Fricka, Wotan)
  track: Das Rheingold: Scene 2: So schirme sie jetzt (Fricka, Freia, Wotan)
  track: Das Rheingold: Scene 2: Sanft schloss Schlaf dein Aug'! (Fasolt, Wotan, Fafner, Freia)
  track: Das Rheingold: Scene 2: Zu mir, Freia! Meide sie, Frecher! (Froh, Donner, Fafner, Fasolt, Wotan, Freia, Fricka)
  track: Das Rheingold: Scene 2: Endlich Loge! Eiltest du so (Wotan, Loge, Fricka, Froh, Donner, Fafner, Fasolt)
  track: Das Rheingold: Scene 2: Umsonst sucht' ich (Loge, Wotan)
  track: Das Rheingold: Scene 2: Hor', Wotan, der Harrenden Wort! (Fafner, Wotan, Fasolt, Freia, Donner, Froh)
  track: Das Rheingold: Scene 2: Auf, Loge, hinab mit mir! (Wotan, Loge, Donner, Froh, Fricka)
  track: Das Rheingold: Scene 4: Schwules Gedunst schwebt in der Luft (Donner)
  track: Das Rheingold: Scene 4: Rheingold! Rheingold! Reines Gold! (Woglinde, Wellgunde, Flosshilde)
album: Brahms: Complete Songs & Duets, Vol. 2
album: Brahms: Complete Songs & Duets, Vol. 1
album: Jesu, meine Freude: Greatest Choral Masterpieces
album: Mayr: Ginevra di Scozia
album: Michael Volle Sings Brahms
album: Schumann: Lied Edition, Vol. 3: Lieder-Album Fur Die Jugend, Op. 79 - Lieder Und Gesänge I, Op. 27
album: BR Klassik: Greatest Moments
album: Mayr, J.S.: Tobia, O Tobiae Matrimonium [Oratorio]
album: 50 of the Best Classical Music: Schumann
album: Dvorak: Requiem - Brahms: 4 Ernste Gesänge

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by artist: Tomasz Konieczny
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by artist: Mirella Hagen
by artist: Eva Vogel
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
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genre: classical
genre: opera
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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
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:58:00Z
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
audio: Das Rheingold: Scene 1: Lugt, Schwestern! Die Weckerin lacht in den Grund (Woglinde, Wellgunde, Flosshilde, Alberich)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.571
  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: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.173
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.901
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.315
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.112
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.925
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Das Rheingold: Scene 1: Der Welt Erbe gewann' ich zu eigen durch dich? (Alberich, Woglinde, Wellgunde, Flosshilde)
type: MusicRecording
duration: PT4M32S
duration ms: 272681
explicit: false
by artist: Richard Wagner
by artist: Tomasz Konieczny
by artist: Stefanie Irányi
by artist: Mirella Hagen
by artist: Eva Vogel
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:38:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97683d0821d3c98c7241e21546932ff0a06fac903ccc6d8528ed67481a20e41e
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/DELW71513306
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 0x97683d0821d3c98c7241e21546932ff0a06fac903ccc6d8528ed67481a20e41e. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513306 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Das Rheingold: Scene 1: Der Welt Erbe gewann' ich zu eigen durch dich? (Alberich, Woglinde, Wellgunde, Flosshilde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.442
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.207
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.052
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.99
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Das Rheingold: Scene 2: Einleitung
type: MusicRecording
duration: PT1M7S
duration ms: 67691
explicit: false
by artist: Richard Wagner
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513307
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:59:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e3b51c6236ddbcc2b215442517d29b6a80a69a85c0cb6a68b9759b2f828fad1
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/DELW71513307
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 0x0e3b51c6236ddbcc2b215442517d29b6a80a69a85c0cb6a68b9759b2f828fad1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513307 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Das Rheingold: Scene 2: Einleitung
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.157
  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: 0.1
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.935
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.135
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.563
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Das Rheingold: Scene 2: Wotan! Gemahl! Erwache! (Fricka, Wotan)
type: MusicRecording
duration: PT6M40S
duration ms: 400454
explicit: false
by artist: Richard Wagner
by artist: Elisabeth Kulman
by artist: Michael Volle
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:44:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaadcf736ea15d60a115d23b0a36d3a0d6ff9136070c2447f4f20427f07e3d1cc
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/DELW71513308
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 0xaadcf736ea15d60a115d23b0a36d3a0d6ff9136070c2447f4f20427f07e3d1cc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513308 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Das Rheingold: Scene 2: Wotan! Gemahl! Erwache! (Fricka, Wotan)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.208
  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: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.071
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.235
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.865
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Das Rheingold: Scene 2: So schirme sie jetzt (Fricka, Freia, Wotan)
type: MusicRecording
duration: PT1M41S
duration ms: 101099
explicit: false
by artist: Richard Wagner
by artist: Elisabeth Kulman
by artist: Annette Dasch
by artist: Michael Volle
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:55:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b0e9777f010dffab73ae1286fa2c1937e9d8802690cb0535fbcadee7652e91f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513309
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0e9777f010dffab73ae1286fa2c1937e9d8802690cb0535fbcadee7652e91f. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513309 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Das Rheingold: Scene 2: So schirme sie jetzt (Fricka, Freia, Wotan)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.299
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.467
  additional property: Energy
    type: PropertyValue
    value: 0.187
  additional property: Speechiness
    type: PropertyValue
    value: 0.157
  additional property: Acousticness
    type: PropertyValue
    value: 0.865
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.518
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.227
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.003
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Das Rheingold: Scene 2: Sanft schloss Schlaf dein Aug'! (Fasolt, Wotan, Fafner, Freia)
type: MusicRecording
duration: PT7M1S
duration ms: 421793
explicit: false
by artist: Richard Wagner
by artist: Peter Rose
by artist: Michael Volle
by artist: Eric Halfvarson
by artist: Annette Dasch
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:20:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x889a775ef752591cdcafeffa06784c9dc0d0227b6e2a9dbc3ef23960b1c51452
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/DELW71513310
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 0x889a775ef752591cdcafeffa06784c9dc0d0227b6e2a9dbc3ef23960b1c51452. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513310 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Das Rheingold: Scene 2: Sanft schloss Schlaf dein Aug'! (Fasolt, Wotan, Fafner, Freia)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.794
  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: 0.43
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.932
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.505
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.239
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.267
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Das Rheingold: Scene 2: Zu mir, Freia! Meide sie, Frecher! (Froh, Donner, Fafner, Fasolt, Wotan, Freia, Fricka)
type: MusicRecording
duration: PT1M31S
duration ms: 91963
explicit: false
by artist: Richard Wagner
by artist: Benjamin Bruns
by artist: Christian Van Horn
by artist: Eric Halfvarson
by artist: Peter Rose
by artist: Michael Volle
by artist: Annette Dasch
by artist: Elisabeth Kulman
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513311
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:30:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x738a64bfdf08faf7b3a1d49b41fc4afd8eb5e60a70c5148a1106b361a7b08d3f
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/DELW71513311
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 0x738a64bfdf08faf7b3a1d49b41fc4afd8eb5e60a70c5148a1106b361a7b08d3f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513311 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Das Rheingold: Scene 2: Zu mir, Freia! Meide sie, Frecher! (Froh, Donner, Fafner, Fasolt, Wotan, Freia, Fricka)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.074
  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: 0.515
  additional property: Energy
    type: PropertyValue
    value: 0.237
  additional property: Speechiness
    type: PropertyValue
    value: 0.145
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.712
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.182
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.34
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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Das Rheingold: Scene 2: Endlich Loge! Eiltest du so (Wotan, Loge, Fricka, Froh, Donner, Fafner, Fasolt)
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duration: PT4M4S
duration ms: 244219
explicit: false
by artist: Richard Wagner
by artist: Michael Volle
by artist: Burkhard Ulrich
by artist: Elisabeth Kulman
by artist: Benjamin Bruns
by artist: Christian Van Horn
by artist: Eric Halfvarson
by artist: Peter Rose
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513312
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 0xd1a5d4357252139aa7013b68267cf3e7b246a377ec54101b1b91ce679ca6e907. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513312 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Das Rheingold: Scene 2: Endlich Loge! Eiltest du so (Wotan, Loge, Fricka, Froh, Donner, Fafner, Fasolt)
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Das Rheingold: Scene 2: Umsonst sucht' ich (Loge, Wotan)
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duration: PT3M41S
duration ms: 221809
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by artist: Richard Wagner
by artist: Burkhard Ulrich
by artist: Michael Volle
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513313
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 0x8b9cd3bf51882382d32c0b50a9b1e05e6c6538d6842615d1b05f1b48702a01c2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513313 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Das Rheingold: Scene 2: Umsonst sucht' ich (Loge, Wotan)
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Das Rheingold: Scene 2: Hor', Wotan, der Harrenden Wort! (Fafner, Wotan, Fasolt, Freia, Donner, Froh)
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duration: PT2M0S
duration ms: 120476
explicit: false
by artist: Richard Wagner
by artist: Eric Halfvarson
by artist: Michael Volle
by artist: Peter Rose
by artist: Annette Dasch
by artist: Christian Van Horn
by artist: Benjamin Bruns
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513315
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
  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 0xd2e8af2dfc9c856da2c65368ef018e21d45ddc9179149b9b967781f4ab648b91. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513315 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Das Rheingold: Scene 2: Hor', Wotan, der Harrenden Wort! (Fafner, Wotan, Fasolt, Freia, Donner, Froh)
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  additional property: Key Name
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Das Rheingold: Scene 2: Auf, Loge, hinab mit mir! (Wotan, Loge, Donner, Froh, Fricka)
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duration: PT4M3S
duration ms: 243035
explicit: false
by artist: Richard Wagner
by artist: Michael Volle
by artist: Burkhard Ulrich
by artist: Christian Van Horn
by artist: Benjamin Bruns
by artist: Elisabeth Kulman
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513318
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe056ef2d1bd78a1fff8e873d0a03ec2f2667b18dd6d4478adf296114eca7be06. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513318 — a six-check JSON result.
  date published: 2026-07-31T15:27:29Z
audio: Das Rheingold: Scene 2: Auf, Loge, hinab mit mir! (Wotan, Loge, Donner, Froh, Fricka)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Key Name
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Das Rheingold: Scene 4: Schwules Gedunst schwebt in der Luft (Donner)
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duration: PT2M50S
duration ms: 170318
explicit: false
by artist: Richard Wagner
by artist: Christian Van Horn
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513341
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
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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 0xb434f392a48ef503783b9fb38c4b55fea0ea5a5e5189ed70899acdcb56d96f93. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513341 — a six-check JSON result.
  date published: 2026-07-31T09:09:19Z
audio: Das Rheingold: Scene 4: Schwules Gedunst schwebt in der Luft (Donner)
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  additional property: Musical Key
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Das Rheingold: Scene 4: Rheingold! Rheingold! Reines Gold! (Woglinde, Wellgunde, Flosshilde)
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duration: PT3M25S
duration ms: 205876
explicit: false
by artist: Richard Wagner
by artist: Mirella Hagen
by artist: Stefanie Irányi
by artist: Michael Volle
by artist: Eva Vogel
by artist: Burkhard Ulrich
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Simon Rattle
in album: Wagner: Das Rheingold, WWV 86A (Live)
  type: MusicAlbum
  date published: 2015-11-06
genre: classical
genre: opera
isrc code: DELW71513345
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513345
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 0xf0aa65a7393a88fb99d34cd1388e14010440c78ff93e8c3992b81f744d923071. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513345 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Das Rheingold: Scene 4: Rheingold! Rheingold! Reines Gold! (Woglinde, Wellgunde, Flosshilde)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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Brahms: Complete Songs & Duets, Vol. 2
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date published: 2013-07-21
track: 3 Duette, Op. 20: No. 03, Die Meere
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  by artist: Letizia Scherrer
  by artist: Franziska Gottwald
  by artist: Ferenc Bognar
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    type: MusicAlbum
    date published: 2013-07-21
  popularity: 1
  genre: classical
  genre: german-romanticism
  genre: classical-piano
  genre: late-romantic-era
  genre: chamber-music
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Mayr, J.S.: Tobia, O Tobiae Matrimonium [Oratorio]
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