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type: MusicGroup
genre: opera
popularity: 14
followers: 58
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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: 2026-06-15T11:57:35Z
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album: Schubert: Alfonso und Estrella, D. 732
  type: MusicAlbum
  date published: 2015-06-05
album: Der Prozeß
  type: MusicAlbum
  date published: 2019-04-05
album: Wagner: Der Ring des Nibelungen
  type: MusicAlbum
  date published: 2019-07-19
album: Wagner: Götterdämmerung
  type: MusicAlbum
  date published: 2013-11-01
album: Wagner: Siegfried
  type: MusicAlbum
  date published: 2013-09-01
album: Wagner: Das Rheingold
  type: MusicAlbum
  date published: 2013-05-01
  track: Das Rheingold, WWV 86A, Act I: Vorspiel
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    duration: PT4M12S
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    by artist: Marek Janowski
    by artist: Berlin Radio Symphony Orchestra
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      type: MusicAlbum
      date published: 2013-05-01
    genre: classical
    genre: opera
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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
      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 0xb6a8ee537e7b7f73723cb5c6c64b0f5ea792bed3b34f6b07b915a68be2a1c490. 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/NLE421200201 — a six-check JSON result.
      date published: 2026-07-08T03:20:19Z
    audio: Das Rheingold, WWV 86A, Act I: Vorspiel
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album: Strauss, R.: Friedenstag
  type: MusicAlbum
  date published: 2001-01-01
  track: Friedenstag, Op. 81 Oper in einem Aufzug: La rosa, la rosa che un bel fiore (Piemonteser, Konstabel, Schütze, Musketier, Hornist, Soldaten, Chor)
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    by artist: Richard Strauss
    by artist: Jochen Kupfer
    by artist: Johan Botha
    by artist: Tom Martinsen
    by artist: André Eckert
    by artist: Jürgen Commichau
    by artist: Chor der Staatsoper Dresden
    by artist: Staatskapelle Dresden
    by artist: Giuseppe Sinopoli
    in album: Strauss, R.: Friedenstag
      type: MusicAlbum
      date published: 2001-01-01
    genre: classical
    genre: opera
    genre: orchestra
    isrc code: DEF059931302
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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 0xddc50599b92d2ac4b80dcf48700a3e065c34c22f153394e01af06c6b27d921b3. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059931302 — a six-check JSON result.
      date published: 2026-07-08T03:39:04Z
    audio: Friedenstag, Op. 81 Oper in einem Aufzug: La rosa, la rosa che un bel fiore (Piemonteser, Konstabel, Schütze, Musketier, Hornist, Soldaten, Chor)
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  track: Friedenstag, Op. 81 Oper in einem Aufzug: Hunger! Hunger! - Nur Widerhall (Chor, Konstabel, Wachtmeister, Hornist, Musketier, Offizier, Soldaten)
  track: Friedenstag, Op. 81 Oper in einem Aufzug: Mein Kommandant! - Rede! (Frontoffizier, Kommandant, Deputation, Frau, 1.2.3.Deputierter)
album: Wagner: Tristan und Isolde, WWV 90
album: Strauss: Die Fledermaus
album: J. Strauss II: Der Zigeunerbaron (Live)
album: Richard Strauss: Ariadne auf Naxos, Op. 60, TrV 228a (Live)
album: Wagner: Götterdämmerung, WWV 86D
album: Wagner: Siegfried, WWV 86C
album: R. Strauss: Des Esels Schatten
album: R. Strauss: The Donkey's Shadow
album: Dessau, P.: Haggada (Sung in German)
album: Wagner: Das Rheingold, WWV 86A
album: Albert, E.: Tiefland (Complete)
album: Wagner: Der Frankfurter Ring
album: Schubert: Alfonso Und Estrella
album: Wagner: Der Ring des Nibelungen, Orchestermusik
album: Strauss: Der Zigeunerbaron
album: Haydn: Die Schöpfung, Hob. XXI:2 (Live)

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value: 108.29

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value: 7

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value: 5

Danceability
type: PropertyValue
value: 0.267

Energy
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value: 0.039

Acousticness
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value: 0.011

Liveness
type: PropertyValue
value: 0.552

Valence (Positivity)
type: PropertyValue
value: 0.183

Loudness (dB)
type: PropertyValue
value: -22.216

Key Name
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Mode Name
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Friedenstag, Op. 81 Oper in einem Aufzug: Hunger! Hunger! - Nur Widerhall (Chor, Konstabel, Wachtmeister, Hornist, Musketier, Offizier, Soldaten)
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duration: PT3M17S
duration ms: 197133
explicit: false
by artist: Richard Strauss
by artist: Tom Martinsen
by artist: Jochen Kupfer
by artist: Alfred Reiter
by artist: Jürgen Commichau
by artist: André Eckert
by artist: Jochen Schmeckenbecher
by artist: Staatskapelle Dresden
by artist: Giuseppe Sinopoli
by artist: Chor der Staatsoper Dresden
in album: Strauss, R.: Friedenstag
  type: MusicAlbum
  date published: 2001-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: DEF059931303
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: 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/DEF059931303
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 0xff77444b96cc085f25b88d92e84cc3bc9b5654ae699e96c2a3c0446021cb26e2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059931303 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Friedenstag, Op. 81 Oper in einem Aufzug: Hunger! Hunger! - Nur Widerhall (Chor, Konstabel, Wachtmeister, Hornist, Musketier, Offizier, Soldaten)
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  additional property: Tempo (BPM)
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  additional property: Danceability
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Friedenstag, Op. 81 Oper in einem Aufzug: Mein Kommandant! - Rede! (Frontoffizier, Kommandant, Deputation, Frau, 1.2.3.Deputierter)
type: MusicRecording
duration: PT2M47S
duration ms: 167866
explicit: false
by artist: Richard Strauss
by artist: Sabine Brohm
by artist: Matthias Henneberg
by artist: Albert Dohmen
by artist: Rafael Harnisch
by artist: Ekkehard Pansa
by artist: Norbert Klesse
by artist: Staatskapelle Dresden
by artist: Giuseppe Sinopoli
by artist: Chor der Staatsoper Dresden
in album: Strauss, R.: Friedenstag
  type: MusicAlbum
  date published: 2001-01-01
genre: classical
genre: opera
genre: orchestra
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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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059931305
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 0x13afc8a5dea25bd9fe11bd00c749a89007849670c72e9a2c2e2e036d55cbf2ce. 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/DEF059931305 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Friedenstag, Op. 81 Oper in einem Aufzug: Mein Kommandant! - Rede! (Frontoffizier, Kommandant, Deputation, Frau, 1.2.3.Deputierter)
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Wagner: Tristan und Isolde, WWV 90
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date published: 2022-05-06
track: Tristan und Isolde, WWV 90, Act I: Prelude
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  duration: PT9M17S
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  by artist: Vienna State Opera Orchestra
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    type: MusicAlbum
    date published: 2022-05-06
  genre: classical
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2baf14283d68fa532b1b07df47198bb57ba84973992012ff42a6fa1ea15fd243. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998083 — a six-check JSON result.
    date published: 2026-07-30T03:35:13Z
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Tristan und Isolde, WWV 90, Act II: Prelude
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  duration: PT1M55S
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  by artist: Richard Wagner
  by artist: Vienna State Opera Orchestra
  by artist: Franz Welser-Möst
  in album: Wagner: Tristan und Isolde, WWV 90
    type: MusicAlbum
    date published: 2022-05-06
  genre: classical
  genre: opera
  isrc code: DEB951998090
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe986c4af8f66361c38763d82a11f60f20c3e66eb446873653a602031800875b1
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  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/DEB951998090
  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 0xe986c4af8f66361c38763d82a11f60f20c3e66eb446873653a602031800875b1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998090 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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    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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    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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track: Tristan und Isolde, WWV 90, Act III: Prelude
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254150
  explicit: false
  by artist: Richard Wagner
  by artist: Vienna State Opera Orchestra
  by artist: Franz Welser-Möst
  in album: Wagner: Tristan und Isolde, WWV 90
    type: MusicAlbum
    date published: 2022-05-06
  genre: classical
  genre: opera
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Tristan und Isolde, WWV 90, Act III: Prelude
track: Tristan und Isolde, WWV 90, Act I Scene 1: Westwärts schweift der Blick
track: Tristan und Isolde, WWV 90, Act II Scene 1: Hörst du sie noch?
track: Tristan und Isolde, WWV 90, Act I Scene 2: Frisch weht der Wind
track: Tristan und Isolde, WWV 90, Act II Scene 2: Isolde! Geliebte!
track: Tristan und Isolde, WWV 90, Act III Scene 1: Kurwenal! He!
track: Tristan und Isolde, WWV 90, Act I Scene 3: Weh! Ach wehe! Dies zu dulden!
track: Tristan und Isolde, WWV 90, Act I Scene 3: Auf, Ihr Frauen
track: Tristan und Isolde, WWV 90, Act II Scene 2: Einsam wachend in der Nacht
track: Tristan und Isolde, WWV 90, Act I Scene 4: Herr Tristan trete nah
track: Tristan und Isolde, WWV 90, Act I Scene 5: Tristan! Isolde! Treuloser Holder
track: Tristan und Isolde, WWV 90, Act II Scene 2: So stürben wie, um ungetrennt
track: Tristan und Isolde, WWV 90, Act II Scene 3: Rette dich, Tristan!
track: Tristan und Isolde, WWV 90, Act II Scene 3: Tatest du's wirklich? Wähnst du das?
track: Tristan und Isolde, WWV 90, Act III Scene 3: Mild und leise wie er lächelt

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

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960427

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

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

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

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa05f6ca36f4834a825dc09dae9612a1898dff0dfb52e6a0a8054eb862f49f826. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998102 — a six-check JSON result.
date published: 2026-07-31T15:59:18Z

Tristan und Isolde, WWV 90, Act III: Prelude
type: AudioObject
additional property: Tempo (BPM)
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  value: 104.518
additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Tristan und Isolde, WWV 90, Act I Scene 1: Westwärts schweift der Blick
type: MusicRecording
duration: PT5M50S
duration ms: 350550
explicit: false
by artist: Richard Wagner
by artist: Jinxu Xiahou
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998084
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T17:11:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdaeb1aa70162a38a1f4f338518693ab1910e638ce4cab4430804a4726cf936c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998084
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
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 0xdaeb1aa70162a38a1f4f338518693ab1910e638ce4cab4430804a4726cf936c1. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998084 — a six-check JSON result.
  date published: 2026-07-30T17:23:26Z
audio: Tristan und Isolde, WWV 90, Act I Scene 1: Westwärts schweift der Blick
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    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: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.925
  additional property: Key Name
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    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act II Scene 1: Hörst du sie noch?
type: MusicRecording
duration: PT13M49S
duration ms: 829250
explicit: false
by artist: Richard Wagner
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:52:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73d2029ed0cf1c0c55e567ba3ee1b1146271e54509df4ca716bf5ced9069c60a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998091
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d2029ed0cf1c0c55e567ba3ee1b1146271e54509df4ca716bf5ced9069c60a. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998091 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Tristan und Isolde, WWV 90, Act II Scene 1: Hörst du sie noch?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.394
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.199
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.048
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.133
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
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Tristan und Isolde, WWV 90, Act I Scene 2: Frisch weht der Wind
type: MusicRecording
duration: PT9M46S
duration ms: 586700
explicit: false
by artist: Richard Wagner
by artist: Jinxu Xiahou
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Peter Seiffert
by artist: Jochen Schmeckenbecher
by artist: Vienna State Opera Chorus
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998085
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:23:12+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/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998085
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 0x163f931a53482687977c2d09fe9aabeedff3441cf2a7635b6f6d61ac8226bfff. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998085 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Tristan und Isolde, WWV 90, Act I Scene 2: Frisch weht der Wind
  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
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.442
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act II Scene 2: Isolde! Geliebte!
type: MusicRecording
duration: PT16M35S
duration ms: 995050
explicit: false
by artist: Richard Wagner
by artist: Peter Seiffert
by artist: Nina Stemme
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998092
additional property: CopyrightID
additional property: CopyrightStatus
  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
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998092
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ddade0a2613f895e785a940ac4222c8b8820524ba77c8a2f6a6151d7b16c291. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998092 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Tristan und Isolde, WWV 90, Act II Scene 2: Isolde! Geliebte!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.925
  additional property: Musical Key
    type: PropertyValue
    value: 4
  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: 0.191
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.336
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act III Scene 1: Kurwenal! He!
type: MusicRecording
duration: PT8M17S
duration ms: 497250
explicit: false
by artist: Richard Wagner
by artist: Carlos Osuna
by artist: Peter Seiffert
by artist: Jochen Schmeckenbecher
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:53:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4703ccc98437dc315181ab033c2d9f486a7193df562f7ceb18df5d97422eee86
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998104
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4703ccc98437dc315181ab033c2d9f486a7193df562f7ceb18df5d97422eee86. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998104 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tristan und Isolde, WWV 90, Act III Scene 1: Kurwenal! He!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.041
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.146
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.066
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.006
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tristan und Isolde, WWV 90, Act I Scene 3: Weh! Ach wehe! Dies zu dulden!
type: MusicRecording
duration: PT18M40S
duration ms: 1120700
explicit: false
by artist: Richard Wagner
by artist: Janina Baechle
by artist: Nina Stemme
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T01:35:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecbc64d481ac3b8027d5f2c7c1929df9ea82e31bed3753907420dc677eec45a8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960497
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960497
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T02:22:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecbc64d481ac3b8027d5f2c7c1929df9ea82e31bed3753907420dc677eec45a8. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998086 — a six-check JSON result.
  date published: 2026-08-01T02:22:04Z
audio: Tristan und Isolde, WWV 90, Act I Scene 3: Weh! Ach wehe! Dies zu dulden!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.521
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.815
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.05
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.87
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act I Scene 3: Auf, Ihr Frauen
type: MusicRecording
duration: PT7M33S
duration ms: 453550
explicit: false
by artist: Richard Wagner
by artist: Jochen Schmeckenbecher
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Chorus of the Veinna State Opera
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:25:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e414438e1e1dab2a6d4288a8ba97bbcafcd409262103898db683b629b053281
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998087
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e414438e1e1dab2a6d4288a8ba97bbcafcd409262103898db683b629b053281. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998087 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tristan und Isolde, WWV 90, Act I Scene 3: Auf, Ihr Frauen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.112
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.196
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.951
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act II Scene 2: Einsam wachend in der Nacht
type: MusicRecording
duration: PT2M0S
duration ms: 120050
explicit: false
by artist: Richard Wagner
by artist: Janina Baechle
by artist: Nina Stemme
by artist: Peter Seiffert
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998094
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:55:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87485b7b3b87791bdfa99fdb1f53a95274be7123f8e3be4acd6a4043d7a55ad3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998094
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87485b7b3b87791bdfa99fdb1f53a95274be7123f8e3be4acd6a4043d7a55ad3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998094 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Tristan und Isolde, WWV 90, Act II Scene 2: Einsam wachend in der Nacht
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.774
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.204
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.077
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.589
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act I Scene 4: Herr Tristan trete nah
type: MusicRecording
duration: PT18M56S
duration ms: 1136550
explicit: false
by artist: Richard Wagner
by artist: Peter Seiffert
by artist: Nina Stemme
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998088
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:58:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd619a08be0c6d24e48311f6d790d1fc32b1ccf126ed126fea08830d7f75ea055
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998088
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd619a08be0c6d24e48311f6d790d1fc32b1ccf126ed126fea08830d7f75ea055. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998088 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Tristan und Isolde, WWV 90, Act I Scene 4: Herr Tristan trete nah
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.771
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.208
  additional property: Energy
    type: PropertyValue
    value: 0.044
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.817
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act I Scene 5: Tristan! Isolde! Treuloser Holder
type: MusicRecording
duration: PT6M48S
duration ms: 408250
explicit: false
by artist: Richard Wagner
by artist: Janina Baechle
by artist: Jochen Schmeckenbecher
by artist: Nina Stemme
by artist: Peter Seiffert
by artist: Vienna State Opera Chorus
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998089
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:09:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x079ea73fb655915999e1192ec6d373a4890c1974adc42411dfa22e2b93e1636b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998089
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079ea73fb655915999e1192ec6d373a4890c1974adc42411dfa22e2b93e1636b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998089 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Tristan und Isolde, WWV 90, Act I Scene 5: Tristan! Isolde! Treuloser Holder
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.163
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.232
  additional property: Energy
    type: PropertyValue
    value: 0.298
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.024
  additional property: Liveness
    type: PropertyValue
    value: 0.811
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.072
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.78
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tristan und Isolde, WWV 90, Act II Scene 2: So stürben wie, um ungetrennt
type: MusicRecording
duration: PT7M29S
duration ms: 449200
explicit: false
by artist: Richard Wagner
by artist: Peter Seiffert
by artist: Nina Stemme
by artist: Janina Baechle
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998097
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:00:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b39ef1cc89407eae6bae35aca82221da88a9ea08f25c982348a146ca3a1f329
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998097
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b39ef1cc89407eae6bae35aca82221da88a9ea08f25c982348a146ca3a1f329. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998097 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Tristan und Isolde, WWV 90, Act II Scene 2: So stürben wie, um ungetrennt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.915
  additional property: Musical Key
    type: PropertyValue
    value: 11
  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: 0.142
  additional property: Energy
    type: PropertyValue
    value: 0.141
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.703
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.86
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tristan und Isolde, WWV 90, Act II Scene 3: Rette dich, Tristan!
type: MusicRecording
duration: PT1M44S
duration ms: 104000
explicit: false
by artist: Richard Wagner
by artist: Jochen Schmeckenbecher
by artist: Peter Seiffert
by artist: Eijiro Kai
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998098
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T00:25:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x648a20f9ee5ecfbb25d934e328a62031ef230c650fb10168ce9ebbaf91b22acd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  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/DEB951998098
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 0x648a20f9ee5ecfbb25d934e328a62031ef230c650fb10168ce9ebbaf91b22acd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998098 — a six-check JSON result.
  date published: 2026-08-01T00:40:43Z
audio: Tristan und Isolde, WWV 90, Act II Scene 3: Rette dich, Tristan!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.619
  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: 0.155
  additional property: Energy
    type: PropertyValue
    value: 0.103
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.831
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.102
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tristan und Isolde, WWV 90, Act II Scene 3: Tatest du's wirklich? Wähnst du das?
type: MusicRecording
duration: PT12M5S
duration ms: 725500
explicit: false
by artist: Richard Wagner
by artist: Stephen Milling
by artist: Peter Seiffert
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998099
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:37:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x962717c52e2e4c3f79501a0359bbae05c4dd3da4e671419a646da649bb4657f5
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/DEB951998099
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 0x962717c52e2e4c3f79501a0359bbae05c4dd3da4e671419a646da649bb4657f5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998099 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tristan und Isolde, WWV 90, Act II Scene 3: Tatest du's wirklich? Wähnst du das?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.678
  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: 0.196
  additional property: Energy
    type: PropertyValue
    value: 0.046
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.894
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.049
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.227
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tristan und Isolde, WWV 90, Act III Scene 3: Mild und leise wie er lächelt
type: MusicRecording
duration: PT6M45S
duration ms: 405300
explicit: false
by artist: Richard Wagner
by artist: Nina Stemme
by artist: Eijiro Kai
by artist: Stephen Milling
by artist: Vienna State Opera Orchestra
by artist: Franz Welser-Möst
in album: Wagner: Tristan und Isolde, WWV 90
  type: MusicAlbum
  date published: 2022-05-06
genre: classical
genre: opera
isrc code: DEB951998112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:32:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d95669dc7197ce53492e610a5a32aeae493dd1b587b98df7c58cbf60468688b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998112
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
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 0x3d95669dc7197ce53492e610a5a32aeae493dd1b587b98df7c58cbf60468688b. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB951998112 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Tristan und Isolde, WWV 90, Act III Scene 3: Mild und leise wie er lächelt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.838
  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: 0.096
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.688
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.812
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Strauss: Die Fledermaus
type: MusicAlbum
date published: 2018-11-01
track: Die Fledermaus, Act I: Overture
  type: MusicRecording
  duration: PT8M26S
  duration ms: 506560
  explicit: false
  by artist: Johann Strauss II
  by artist: Lawrence Foster
  by artist: NDR Radiophilharmonie
  in album: Strauss: Die Fledermaus
    type: MusicAlbum
    date published: 2018-11-01
  popularity: 5
  isrc code: NLE421803601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T21:45:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2fece77942678b0ad19a03963b6e6c964cd468cf6a0868079344082beb57beb1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960153
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960153
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803601
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T21:57:12Z
  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 0x2fece77942678b0ad19a03963b6e6c964cd468cf6a0868079344082beb57beb1. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803601 — a six-check JSON result.
    date published: 2026-07-29T21:57:12Z
  audio: Die Fledermaus, Act I: Overture
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.302
    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: 0.339
    additional property: Energy
      type: PropertyValue
      value: 0.15
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.952
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.864
    additional property: Liveness
      type: PropertyValue
      value: 0.062
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.115
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.332
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

J. Strauss II: Der Zigeunerbaron (Live)
type: MusicAlbum
date published: 2016-04-01

Richard Strauss: Ariadne auf Naxos, Op. 60, TrV 228a (Live)
type: MusicAlbum
date published: 2021-02-05

Wagner: Götterdämmerung, WWV 86D
type: MusicAlbum
date published: 2020-07-24

Wagner: Siegfried, WWV 86C
type: MusicAlbum
date published: 2020-06-26

R. Strauss: Des Esels Schatten
type: MusicAlbum
date published: 1997-01-01

R. Strauss: The Donkey's Shadow
type: MusicAlbum
date published: 1998-01-01

Dessau, P.: Haggada (Sung in German)
type: MusicAlbum
date published: 1995-01-01

Wagner: Das Rheingold, WWV 86A
type: MusicAlbum
date published: 2020-02-28
track: Das Rheingold, WWV 86A / Scene 1: Vorspiel
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259273
  explicit: false
  by artist: Richard Wagner
  by artist: Duisburger Philharmoniker
  by artist: Axel Kober
  in album: Wagner: Das Rheingold, WWV 86A
    type: MusicAlbum
    date published: 2020-02-28
  popularity: 1
  genre: classical
  genre: opera
  isrc code: DEAQ71950401
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T11:57:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc188013ecd2d6f70cad26d6331168e4f4cffa065634a79a727d92475e8d2a71c
  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/DEAQ71950401
  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 0xc188013ecd2d6f70cad26d6331168e4f4cffa065634a79a727d92475e8d2a71c. 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/DEAQ71950401 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Das Rheingold, WWV 86A / Scene 1: Vorspiel
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.315
    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: 0.124
    additional property: Energy
      type: PropertyValue
      value: 0.004
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.986
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.927
    additional property: Liveness
      type: PropertyValue
      value: 0.174
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.023
    additional property: Loudness (dB)
      type: PropertyValue
      value: -34.197
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Das Rheingold, WWV 86A / Scene 1: Weia! Waga! Woge, du Welle
  type: MusicRecording
  duration: PT1M9S
  duration ms: 69941
  explicit: false
  by artist: Richard Wagner
  by artist: Axel Kober
  by artist: Duisburger Philharmoniker
  by artist: Heidi Elisabeth Meier
  by artist: Roswitha Christina Müller
  by artist: Anna Harvey
  in album: Wagner: Das Rheingold, WWV 86A
    type: MusicAlbum
    date published: 2020-02-28
  popularity: 0
  genre: classical
  genre: opera
  isrc code: DEAQ71950402
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T06:09:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8d3a17642163b8add01ef213211f2307ddb178b5eaf5de3d6f1b97016d0c8fab
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960360
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960360
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAQ71950402
  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
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track: Das Rheingold, WWV 86A / Scene 1: Lugt, Schwestern!
track: Das Rheingold, WWV 86A / Scene 1: Der Welt Erbe gewänn' ich zu eigen durch dich?
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9a3f01276d6043433775d1661ecbf9604f88491abf226211fa243cad0d83fe. 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/DEAQ71950403 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

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Das Rheingold, WWV 86A / Scene 1: Garstig glatter glitschiger Glimmer!
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by artist: Richard Wagner
by artist: Axel Kober
by artist: Duisburger Philharmoniker
by artist: Roswitha Christina Müller
by artist: Heidi Elisabeth Meier
by artist: Jochen Schmeckenbecher
by artist: Anna Harvey
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popularity: 1
genre: classical
genre: opera
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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by artist: Duisburger Philharmoniker
by artist: Heidi Elisabeth Meier
by artist: Roswitha Christina Müller
by artist: Anna Harvey
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popularity: 0
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: 2026-07-30T15:42:38Z
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Das Rheingold, WWV 86A / Scene 1: Der Welt Erbe gewänn' ich zu eigen durch dich?
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by artist: Richard Wagner
by artist: Axel Kober
by artist: Duisburger Philharmoniker
by artist: Anna Harvey
by artist: Heidi Elisabeth Meier
by artist: Roswitha Christina Müller
by artist: Jochen Schmeckenbecher
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popularity: 0
genre: classical
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:59:18Z
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Das Rheingold, WWV 86A / Scene 4: Rheingold! Rheingold! Reines Gold!
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by artist: Richard Wagner
by artist: Axel Kober
by artist: Duisburger Philharmoniker
by artist: Heidi Elisabeth Meier
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by artist: Anna Harvey
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
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Albert, E.: Tiefland (Complete)
type: MusicAlbum
date published: 2003-01-01

Wagner: Der Frankfurter Ring
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date published: 2013-10-29

Schubert: Alfonso Und Estrella
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date published: 2004-01-01

Wagner: Der Ring des Nibelungen, Orchestermusik
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date published: 2013-10-01

Strauss: Der Zigeunerbaron
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date published: 2016-04-01

Haydn: Die Schöpfung, Hob. XXI:2 (Live)
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date published: 2019-06-28