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track: Tristan und Isolde Act 1, WWV 90: I. Prelude - Live
track: Tristan und Isolde Act 1, WWV 90: Westwärts schweift der Blick - Live
track: Tristan und Isolde Act 1, WWV 90: Wie lachend sie mir Lieder singen, - Live
track: Tristan und Isolde Act 1, WWV 90: O Wunder! Wo hatt' ich die Augen? - Live
track: Tristan und Isolde Act 1, WWV 90: Herrn Tristan bringe meinen Gruß - Live
track: Tristan und Isolde Act 2, WWV 90: Dein Werk? O tör'ge Magd! - Live
track: Tristan und Isolde Act 2, WWV 90: O sink hernieder, Nacht der Liebe, - Live
track: Tristan und Isolde Act 1, WWV 90: Wer wagt mich zu höhnen? - Live
track: Tristan und Isolde Act 1, WWV 90: Mir erkoren, mir verloren - Live
track: Tristan und Isolde Act 1, WWV 90: Weh, ach wehe! Dies zu dulden! - Live
track: Tristan und Isolde Act 1, WWV 90: Welcher Wahn! Welch eitles Zürnen! - Live
track: Tristan und Isolde Act 1, WWV 90: Begehrt, Herrin, was ihr wünscht. - Live
track: Tristan und Isolde Act 1, WWV 90: Da du so sittsam, - Live
track: Tristan und Isolde Act 2, WWV 90: Prelude - Live
track: Tristan und Isolde Act 2, WWV 90: Der deiner harrt - o hör mein - Live

Tristan und Isolde Act 1, WWV 90: I. Prelude - Live
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by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Orchestra del Teatro Giuseppe Verdi
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  date published: 2025-01-03
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: 2026-07-06T07:16:32Z
audio: Tristan und Isolde Act 1, WWV 90: I. Prelude - Live
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Tristan und Isolde Act 1, WWV 90: Westwärts schweift der Blick - Live
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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: 2026-07-08T03:53:27Z
audio: Tristan und Isolde Act 1, WWV 90: Westwärts schweift der Blick - Live
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Tristan und Isolde Act 1, WWV 90: Wie lachend sie mir Lieder singen, - Live
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by artist: Richard Wagner
by artist: Catarina Ligendza
by artist: Sylvia Anderson
by artist: Luigi Toffolo
by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
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genre: classical
genre: opera
isrc code: USB8U2401689
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Tristan und Isolde Act 1, WWV 90: Wie lachend sie mir Lieder singen, - Live
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Tristan und Isolde Act 1, WWV 90: O Wunder! Wo hatt' ich die Augen? - Live
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by artist: Orchestra del Teatro Giuseppe Verdi
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genre: classical
genre: opera
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Tristan und Isolde Act 1, WWV 90: O Wunder! Wo hatt' ich die Augen? - Live
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Tristan und Isolde Act 1, WWV 90: Herrn Tristan bringe meinen Gruß - Live
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:53:27Z
audio: Tristan und Isolde Act 1, WWV 90: Herrn Tristan bringe meinen Gruß - Live
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    value: 0.372
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.281
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde Act 2, WWV 90: Dein Werk? O tör'ge Magd! - Live
type: MusicRecording
duration: PT4M59S
duration ms: 299579
explicit: false
by artist: Richard Wagner
by artist: Catarina Ligendza
by artist: Sylvia Anderson
by artist: Luigi Toffolo
by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
  type: MusicAlbum
  date published: 2025-01-03
genre: classical
genre: opera
isrc code: USB8U2401702
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:15:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x91e47d3a680d2cd689f8933366b7742eadebf06c2d47bfb6255be9cb7565f722
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2401702
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91e47d3a680d2cd689f8933366b7742eadebf06c2d47bfb6255be9cb7565f722. 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/USB8U2401702.
  date published: 2026-07-08T03:22:41Z
audio: Tristan und Isolde Act 2, WWV 90: Dein Werk? O tör'ge Magd! - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.433
  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: 0.175
  additional property: Energy
    type: PropertyValue
    value: 0.246
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.752
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.061
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.911
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde Act 2, WWV 90: O sink hernieder, Nacht der Liebe, - Live
type: MusicRecording
duration: PT4M49S
duration ms: 289591
explicit: false
by artist: Richard Wagner
by artist: Claude Heater
by artist: Catarina Ligendza
by artist: Luigi Toffolo
by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
  type: MusicAlbum
  date published: 2025-01-03
genre: classical
genre: opera
isrc code: USB8U2401704
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:07:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf281023a2af7a47d2bd979db1b40c28f75e3e3468205526bda12c08e88eb3ad4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2401704
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf281023a2af7a47d2bd979db1b40c28f75e3e3468205526bda12c08e88eb3ad4. 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/USB8U2401704.
  date published: 2026-07-08T03:53:27Z
audio: Tristan und Isolde Act 2, WWV 90: O sink hernieder, Nacht der Liebe, - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.403
  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: 0.084
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.033
  additional property: Liveness
    type: PropertyValue
    value: 0.145
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.552
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde Act 1, WWV 90: Wer wagt mich zu höhnen? - Live
type: MusicRecording
duration: PT5M49S
duration ms: 349651
explicit: false
by artist: Richard Wagner
by artist: Catarina Ligendza
by artist: Sylvia Anderson
by artist: Luigi Toffolo
by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Giuseppe Botta
by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
  type: MusicAlbum
  date published: 2025-01-03
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf673d43f704f7a342600d421cbd47a7d0d141cb26252b7f928018cd2bfb3917. 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/USB8U2401685.
  date published: 2026-07-29T19:35:34Z
audio: Tristan und Isolde Act 1, WWV 90: Wer wagt mich zu höhnen? - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.112
  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: 0.345
  additional property: Energy
    type: PropertyValue
    value: 0.215
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.378
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.242
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USB8U2401685
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2401685
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Tristan und Isolde Act 1, WWV 90: Mir erkoren, mir verloren - Live
type: MusicRecording
duration: PT4M2S
duration ms: 242568
explicit: false
by artist: Richard Wagner
by artist: Catarina Ligendza
by artist: Sylvia Anderson
by artist: Luigi Toffolo
by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
  type: MusicAlbum
  date published: 2025-01-03
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61c5c220c87f4352218bf3498f861845fd5e6cc0d61e6afc2d1408225ca0f763. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2401686.
  date published: 2026-07-30T02:30:29Z
audio: Tristan und Isolde Act 1, WWV 90: Mir erkoren, mir verloren - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.235
  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: 0.286
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.042
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.147
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USB8U2401686
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960199
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T02:30:29+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2401686
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960199
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960199
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:30:29+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Tristan und Isolde Act 1, WWV 90: Weh, ach wehe! Dies zu dulden! - Live
type: MusicRecording
duration: PT2M1S
duration ms: 121972
explicit: false
by artist: Richard Wagner
by artist: Catarina Ligendza
by artist: Sylvia Anderson
by artist: Luigi Toffolo
by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
  type: MusicAlbum
  date published: 2025-01-03
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74fba4265cd4670bef8d2d1438c77a34845f238f2a8631fcf873525acdfc3d67. 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/USB8U2401688.
  date published: 2026-07-31T02:19:15Z
audio: Tristan und Isolde Act 1, WWV 90: Weh, ach wehe! Dies zu dulden! - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.894
  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: 0.312
  additional property: Energy
    type: PropertyValue
    value: 0.176
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.344
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.134
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.896
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USB8U2401688
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2401688
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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Tristan und Isolde Act 1, WWV 90: Welcher Wahn! Welch eitles Zürnen! - Live
type: MusicRecording
duration: PT8M2S
duration ms: 482657
explicit: false
by artist: Richard Wagner
by artist: Catarina Ligendza
by artist: Sylvia Anderson
by artist: Luigi Toffolo
by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
  type: MusicAlbum
  date published: 2025-01-03
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e8ba9db7c94d6faab2d4718fa04bd2adc4ad9dc6bebc8a57a5091bfeecfa1de. 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/USB8U2401691.
  date published: 2026-07-31T15:20:15Z
audio: Tristan und Isolde Act 1, WWV 90: Welcher Wahn! Welch eitles Zürnen! - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.003
  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: 0.235
  additional property: Energy
    type: PropertyValue
    value: 0.196
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.678
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.193
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USB8U2401691
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2401691
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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Tristan und Isolde Act 1, WWV 90: Begehrt, Herrin, was ihr wünscht. - Live
type: MusicRecording
duration: PT1M39S
duration ms: 99300
explicit: false
by artist: Richard Wagner
by artist: Claude Heater
by artist: Catarina Ligendza
by artist: Luigi Toffolo
by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
  type: MusicAlbum
  date published: 2025-01-03
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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Tristan und Isolde Act 1, WWV 90: Da du so sittsam, - Live
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genre: classical
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  date published: 2026-07-31T02:51:48Z
audio: Tristan und Isolde Act 1, WWV 90: Da du so sittsam, - Live
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Tristan und Isolde Act 2, WWV 90: Prelude - Live
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by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
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genre: classical
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  date published: 2026-08-01T03:50:58Z
audio: Tristan und Isolde Act 2, WWV 90: Prelude - Live
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Tristan und Isolde Act 2, WWV 90: Der deiner harrt - o hör mein - Live
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by artist: Richard Wagner
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by artist: Luigi Toffolo
by artist: Orchestra and Choir del Teatro Giuseppe Verdi
by artist: Orchestra del Teatro Giuseppe Verdi
in album: Wagner: Tristan und Isolde live Triest 1969 conducted by Toffolo
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genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: Tristan und Isolde Act 2, WWV 90: Der deiner harrt - o hör mein - Live
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