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subject of: OpenTimestamps Proof of Existence
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    subject of: OpenTimestamps Proof of Existence
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:22:41Z
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  track: Die Zauberflöte, K. 620, Act II: Der Hölle Rache kocht in meinem Herzen
  track: Voi avete un cor fedele, K. 217
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album: Mozart Arias and Orchestral Music
album: Lotus Moon - Chinese Folk and Art Songs, Opera Arias
album: The Best Of Naxos 9
album: Best Of Opera, Vol. 3
album: 100 Best Classical Music
album: The Very Best of Mozart
album: 50 Best – Mozart
album: The Classic 100: Mozart - The Top 10 & Selected Highlights
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album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
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album: Der Stein der Weisen oder Die Zauberinsel
album: Mozart Arias
album: The Magic Flute
album: Mozart: Klassische Meisterwerke
album: Classical Essentials: Mozart
album: The Best Of Opera Volume 4
album: Classical Music Inspired by Mr. Robot
album: 50 Best - Opera
album: Best of Teddy Tahu Rhodes
album: Richard Bonynge - The Opera Collection
album: Rare Live Tracks
album: The Australian Opera Mozart Bicentennial Celebration
album: Songs My Mother Taught Me
album: Mozart: Tenor Arias
album: Belarusya Minsk Akademik Devlet Oda Orkestrası Seçme Eserler (Live)
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album: 100 Best - Mozart

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Vorrei spiegarvi, oh Dio, K. 418
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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subject of: OpenTimestamps Proof of Existence
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Tiana Lemnitz
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Mozart Arias and Orchestral Music
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    type: MusicAlbum
    date published: 2012-09-14
  popularity: 8
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  by artist: Teddy Tahu Rhodes
  by artist: Ola Rudner
  by artist: Tasmanian Symphony Orchestra
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    type: MusicAlbum
    date published: 2012-09-14
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  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Don Giovanni, K. 527, Act 1: "Fin ch'han dal vino"
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  by artist: Teddy Tahu Rhodes
  by artist: Ola Rudner
  by artist: Tasmanian Symphony Orchestra
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  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
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  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Don Giovanni, K. 527, Act 1: "Fin ch'han dal vino"

Teddy Tahu Rhodes
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Ola Rudner
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Tasmanian Symphony Orchestra
type: MusicGroup

Mozart Arias and Orchestral Music
type: MusicAlbum
date published: 2012-09-14

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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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 0x99f790a629629af800697f1e0231102e245cd1c05f8b4a238c2e0786148522ff. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00350267.
date published: 2026-07-31T08:26:41Z

Don Giovanni, K. 527, Act 1: "Fin ch'han dal vino"
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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Lotus Moon - Chinese Folk and Art Songs, Opera Arias
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date published: 2001-01-01
track: The Lotus Song (Arr. Julian Yu)
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  by artist: Shu-Cheen Yu
  by artist: Antony Walker
  by artist: Sinfonia Australis
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-31T02:19:15Z
  audio: The Lotus Song (Arr. Julian Yu)
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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: Acousticness
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    additional property: Instrumentalness
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track: How Can I Not Think of Him? (Arr. Julian Yu)
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  by artist: Julian Yu
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  by artist: Antony Walker
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-30T17:23:26Z
  audio: How Can I Not Think of Him? (Arr. Julian Yu)
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  by artist: Giuseppe Giacosa
  by artist: Shu-Cheen Yu
  by artist: Antony Walker
  by artist: Sinfonia Australis
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Madama Butterfly, Act II: “Un bel dì vedremo”
track: Porgy and Bess, Act I: Summertime
track: Gianni Schicchi: "O mio babbino caro"
track: Ave Maria (Arr. Julian Yu)

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OTSHash
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OTSBitcoinBlock
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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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf67bbfffc42ec690692e6121a80aa4b7d36e01181701d9eb15ba0255297cd949. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00150028.
date published: 2026-07-08T03:20:19Z

Madama Butterfly, Act II: “Un bel dì vedremo”
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Porgy and Bess, Act I: Summertime
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by artist: George Gershwin
by artist: Ira Gershwin
by artist: DuBose Heyward
by artist: Shu-Cheen Yu
by artist: Antony Walker
by artist: Sinfonia Australis
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  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/AUAB00150035
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 0x9d9b345acef911caccd98d5f03aea234bb75378520197d0f7751f0a9a2fb5ed8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00150035.
  date published: 2026-07-08T03:20:19Z
audio: Porgy and Bess, Act I: Summertime
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.15
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.185
  additional property: Energy
    type: PropertyValue
    value: 0.233
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.9
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.042
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.532
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Gianni Schicchi: "O mio babbino caro"
type: MusicRecording
duration: PT2M10S
duration ms: 130173
explicit: false
by artist: Giacomo Puccini
by artist: Giovacchino Forzano
by artist: Shu-Cheen Yu
by artist: Antony Walker
by artist: Sinfonia Australis
in album: Lotus Moon - Chinese Folk and Art Songs, Opera Arias
  type: MusicAlbum
  date published: 2001-01-01
isrc code: AUAB00150030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:50:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c92d70ce799f8a8949b08322dbe9ff07eb3cff7b909bd39fac5607b861a5f01
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00150030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c92d70ce799f8a8949b08322dbe9ff07eb3cff7b909bd39fac5607b861a5f01. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00150030.
  date published: 2026-07-31T12:24:41Z
audio: Gianni Schicchi: "O mio babbino caro"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.152
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.241
  additional property: Energy
    type: PropertyValue
    value: 0.221
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.041
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.054
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.838
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ave Maria (Arr. Julian Yu)
type: MusicRecording
duration: PT4M7S
duration ms: 247933
explicit: false
by artist: Vladimir Vavilov
by artist: Julian Yu
by artist: Giulio Caccini
by artist: Shu-Cheen Yu
by artist: Antony Walker
by artist: Sinfonia Australis
in album: Lotus Moon - Chinese Folk and Art Songs, Opera Arias
  type: MusicAlbum
  date published: 2001-01-01
isrc code: AUAB00150036
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:47:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9eb7ad9a1768824031f8b3699ad5a524460fedd15e5afc2395a89dd5dfb509fd
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/AUAB00150036
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 0x9eb7ad9a1768824031f8b3699ad5a524460fedd15e5afc2395a89dd5dfb509fd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00150036.
  date published: 2026-07-08T03:20:19Z
audio: Ave Maria (Arr. Julian Yu)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.399
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.152
  additional property: Energy
    type: PropertyValue
    value: 0.255
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.907
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.457
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.677
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Best Of Naxos 9
type: MusicAlbum
date published: 1995-03-23
track: Polonaise No. 1 In D Major, Op. 4: Polonaise Brillante, Op. 4
  type: MusicRecording
  duration: PT5M43S
  duration ms: 343000
  explicit: false
  by artist: Marat Bisengaliev
  by artist: John Lenehan
  by artist: Henryk Wieniawski
  in album: The Best Of Naxos 9
    type: MusicAlbum
    date published: 1995-03-23
  isrc code: HKI199421012
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T08:20:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x19a87c113fbe5a8ef38904ee43647449f04dce1cf3827c3dc42cd72255b3ca28
  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/HKI199421012
  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 0x19a87c113fbe5a8ef38904ee43647449f04dce1cf3827c3dc42cd72255b3ca28. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199421012.
    date published: 2026-07-08T03:20:19Z
  audio: Polonaise No. 1 In D Major, Op. 4: Polonaise Brillante, Op. 4
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.936
    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: 0.365
    additional property: Energy
      type: PropertyValue
      value: 0.081
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.969
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.403
    additional property: Liveness
      type: PropertyValue
      value: 0.079
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.207
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.745
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Best Of Opera, Vol. 3
type: MusicAlbum
date published: 1995-12-31
track: Orfeo Ed Euridice: Dance Of The Blessed Spirits (Paris version)
  type: MusicRecording
  duration: PT6M12S
  duration ms: 372000
  explicit: false
  by artist: Slovak Radio Symphony Orchestra
  by artist: Christoph Willibald Gluck
  in album: Best Of Opera, Vol. 3
    type: MusicAlbum
    date published: 1995-12-31
  genre: orchestra
  genre: radio-symphony
  genre: symfonicky-orchestr
  isrc code: HKI199393001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T09:53:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4149397af33c51b59b5d1ae97762f8b2dc445d19133d810ec79437b860a81a2f
  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/HKI199393001
  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 0x4149397af33c51b59b5d1ae97762f8b2dc445d19133d810ec79437b860a81a2f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199393001.
    date published: 2026-07-02T03:55:08Z
  audio: Orfeo Ed Euridice: Dance Of The Blessed Spirits (Paris version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.39
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.092
    additional property: Energy
      type: PropertyValue
      value: 0.063
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.975
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.842
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.096
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.895
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Lakme: Lakme: Viens, Mallika... Dome Epais, "Flower Duet"
  type: MusicRecording
  duration: PT6M41S
  duration ms: 401000
  explicit: false
  by artist: Slovak Radio Symphony Orchestra
  by artist: Denisa Šlepkovská
  by artist: Adriana Kohútková
  by artist: Edmond Gondinet
  by artist: Philippe Gille
  by artist: Léo Delibes
  in album: Best Of Opera, Vol. 3
    type: MusicAlbum
    date published: 1995-12-31
  genre: orchestra
  genre: radio-symphony
  genre: symfonicky-orchestr
  isrc code: HKI199320906
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T15:55:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbeccf706b32868fe6eeb1197ea217dcedd8ca922fbba8d9a044e99600d2479df
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199320906
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeccf706b32868fe6eeb1197ea217dcedd8ca922fbba8d9a044e99600d2479df. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199320906.
    date published: 2026-06-13T13:32:09Z
  audio: Lakme: Lakme: Viens, Mallika... Dome Epais, "Flower Duet"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.407
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.332
    additional property: Energy
      type: PropertyValue
      value: 0.033
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.966
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.071
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.708
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Otello: Era La Notte... Si Pel Ciel
  type: MusicRecording
  duration: PT6M46S
  duration ms: 406000
  explicit: false
  by artist: Janez Lotric
  by artist: Igor Morozov
  by artist: Slovak Radio Symphony Orchestra
  by artist: Giuseppe Verdi
  by artist: Arrigo Boito
  in album: Best Of Opera, Vol. 3
    type: MusicAlbum
    date published: 1995-12-31
  isrc code: HKI199320914
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Otello: Era La Notte... Si Pel Ciel
track: Die Walkure: Ride Of The Valkyries

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-30T07:00:23+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xa140b7a0f5df3196945305cadb01c012d3330b39d68a9a4ad8bf3400a9717f07

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960220

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960220

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199320914

OTSTimestamp
type: PropertyValue
value: 2026-07-30T07:28:30Z

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 0xa140b7a0f5df3196945305cadb01c012d3330b39d68a9a4ad8bf3400a9717f07. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199320914.
date published: 2026-07-30T07:28:30Z

Otello: Era La Notte... Si Pel Ciel
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 101.91
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.248
additional property: Energy
  type: PropertyValue
  value: 0.192
additional property: Speechiness
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Die Walkure: Ride Of The Valkyries
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by artist: Richard Wagner
in album: Best Of Opera, Vol. 3
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genre: orchestra
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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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100 Best Classical Music
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  subject of: OpenTimestamps Proof of Existence
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The Very Best of Mozart
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
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track: Sinfonia Concertante for Violin, Viola and Orchestra in E-Flat Major, K. 364: 2. Andante
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OpenTimestamps Proof of Existence
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date published: 2026-07-31T13:04:34Z

Sinfonia Concertante for Violin, Viola and Orchestra in E-Flat Major, K. 364: 2. Andante
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50 Best – Mozart
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The Classic 100: Mozart - The Top 10 & Selected Highlights
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German Operatic Choruses
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  subject of: OpenTimestamps Proof of Existence
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track: Die Lustigen Weiber Von Windsor (The Merry Wives Of Windsor): O Susser Mond
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    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639102
  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 0x245db0b9bf2e10c8378d9fd536628ca936a84d85337925c2998c741bfd1d71a6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639102.
    date published: 2026-07-08T03:20:19Z
  audio: Die Lustigen Weiber Von Windsor (The Merry Wives Of Windsor): O Susser Mond
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.206
    additional property: Energy
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      value: 0.176
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.787
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.87
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.055
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.733
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Der Fliegende Hollander (The Flying Dutchman): Sailors' Chorus
  type: MusicRecording
  duration: PT12M39S
  duration ms: 759213
  explicit: false
  by artist: Austrian Radio Symphony Orchestra
  by artist: Budapest Radio Chorus
  by artist: Richard Wagner
  in album: German Operatic Choruses
    type: MusicAlbum
    date published: 1997-02-28
  isrc code: HKI199639103
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T01:42:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x13d30cdd6be9261bd0ed99a2d5172f0411d4ba117de4dff1d624d85e8da4fdbf
  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: Der Fliegende Hollander (The Flying Dutchman): Sailors' Chorus
track: Die Entfuhrung Aus Dem Serail (Abduction From The Seraglio), K. 384: Final Chorus
track: Der Freischutz, J. 277: Huntsmen's Chorus
track: Der Fliegende Hollander (The Flying Dutchman): Summ Und Brumm
track: Tsar And Carpenter: Hoch Lebe Die Freude: Hoch Lebe Die Freude
track: Die Zauberflote (The Magic Flute), K. 620: Die Zauberflote (The Magic Flute), K. 620, Act II: O Isis Und Osiris (Chorus Of Priests)
track: Die Meistersinger Von Nurnberg (The Mastersingers Of Nuremberg): Wach Auf!
track: Der Freischutz, J. 277: Bridesmaids' Chorus
track: Fidelio, Op. 72: Prisoners' Chorus
track: Tannhauser: Freudig Begrussen Wir
track: Die Zauberflote (The Magic Flute), K. 620: Die Zauberflote (The Magic Flute), K. 620, Act II: Final Chorus
track: Tannhauser: Tannhauser, Act III: Begluckt Darf Nun Dich, "Pilgrims' Chorus"

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960334

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960334

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639103

OTSTimestamp
type: PropertyValue
value: 2026-07-31T02:19:15Z

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 0x13d30cdd6be9261bd0ed99a2d5172f0411d4ba117de4dff1d624d85e8da4fdbf. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639103.
date published: 2026-07-31T02:19:15Z

Der Fliegende Hollander (The Flying Dutchman): Sailors' Chorus
type: AudioObject
additional property: Tempo (BPM)
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  value: 109.877
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
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additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.265
additional property: Energy
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  value: 0.247
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0.973
additional property: Instrumentalness
  type: PropertyValue
  value: 0.036
additional property: Liveness
  type: PropertyValue
  value: 0.236
additional property: Valence (Positivity)
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additional property: Loudness (dB)
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  value: -20.991
additional property: Key Name
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  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Die Entfuhrung Aus Dem Serail (Abduction From The Seraglio), K. 384: Final Chorus
type: MusicRecording
duration: PT1M26S
duration ms: 86026
explicit: false
by artist: Slovak Philharmonic Chorus
by artist: Slovak Radio Symphony Orchestra
by artist: Wolfgang Amadeus Mozart
by artist: C. F. Bretzner
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
isrc code: HKI199639104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-06T18:00:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba13bb2df0712ed95f938dbc5c96f52924754a91e68264725d0ad131e66844bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639104
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xba13bb2df0712ed95f938dbc5c96f52924754a91e68264725d0ad131e66844bc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639104.
  date published: 2026-06-13T12:53:06Z
audio: Die Entfuhrung Aus Dem Serail (Abduction From The Seraglio), K. 384: Final Chorus
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.476
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.477
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.334
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.479
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.875
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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Der Freischutz, J. 277: Huntsmen's Chorus
type: MusicRecording
duration: PT2M36S
duration ms: 156333
explicit: false
by artist: Carl Maria von Weber
by artist: Slovak Radio Symphony Orchestra
by artist: Slovak Philharmonic Chorus
by artist: Johann Friedrich Kind
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
genre: classical
genre: opera
isrc code: HKI199639105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T13:32:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a1106cdcd147edba18cfc95710e87ce97cf4852169d87823261c505de11ccab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a1106cdcd147edba18cfc95710e87ce97cf4852169d87823261c505de11ccab. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639105.
  date published: 2026-06-13T13:32:09Z
audio: Der Freischutz, J. 277: Huntsmen's Chorus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.623
  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: 0.538
  additional property: Energy
    type: PropertyValue
    value: 0.229
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.22
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.18
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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Der Fliegende Hollander (The Flying Dutchman): Summ Und Brumm
type: MusicRecording
duration: PT8M28S
duration ms: 508746
explicit: false
by artist: Austrian Radio Symphony Orchestra
by artist: Budapest Radio Chorus
by artist: Richard Wagner
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
isrc code: HKI199639106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:30:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcfb69e9e8ab799b114916b5941980d5fcc49304d0702e776e580ea9c30f7ebe1
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/HKI199639106
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 0xcfb69e9e8ab799b114916b5941980d5fcc49304d0702e776e580ea9c30f7ebe1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639106.
  date published: 2026-07-08T03:20:19Z
audio: Der Fliegende Hollander (The Flying Dutchman): Summ Und Brumm
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.333
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.093
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Tsar And Carpenter: Hoch Lebe Die Freude: Hoch Lebe Die Freude
type: MusicRecording
duration: PT2M46S
duration ms: 166813
explicit: false
by artist: Slovak Philharmonic Chorus
by artist: Slovak Radio Symphony Orchestra
by artist: Albert Lortzing
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
isrc code: HKI199639107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:53:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c4cb2e41f32bd328f9eed3310c1224dddbc9d96bdc2e41036519baba22d3012
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639107
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c4cb2e41f32bd328f9eed3310c1224dddbc9d96bdc2e41036519baba22d3012. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639107.
  date published: 2026-07-31T02:19:15Z
audio: Tsar And Carpenter: Hoch Lebe Die Freude: Hoch Lebe Die Freude
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.426
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.926
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.258
  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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    value: Major

Die Zauberflote (The Magic Flute), K. 620: Die Zauberflote (The Magic Flute), K. 620, Act II: O Isis Und Osiris (Chorus Of Priests)
type: MusicRecording
duration: PT2M37S
duration ms: 157626
explicit: false
by artist: Budapest Failoni Chamber Orchestra
by artist: Hungarian Festival Chorus
by artist: Wolfgang Amadeus Mozart
by artist: Emanuel Schikaneder
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
genre: chamber-orchestra
isrc code: HKI199639108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T03:59:01+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x762e098f42592e45b1781bf3ae6fe0b1c24c80818bd8620f4fa8df1d2d0ba6ad
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960344
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58Z
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 0x762e098f42592e45b1781bf3ae6fe0b1c24c80818bd8620f4fa8df1d2d0ba6ad. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639108.
  date published: 2026-07-31T04:14:58Z
audio: Die Zauberflote (The Magic Flute), K. 620: Die Zauberflote (The Magic Flute), K. 620, Act II: O Isis Und Osiris (Chorus Of Priests)
  type: AudioObject
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Die Meistersinger Von Nurnberg (The Mastersingers Of Nuremberg): Wach Auf!
type: MusicRecording
duration: PT2M28S
duration ms: 148266
explicit: false
by artist: Slovak Radio Symphony Orchestra
by artist: Slovak Philharmonic Chorus
by artist: Richard Wagner
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
genre: orchestra
genre: radio-symphony
genre: symfonicky-orchestr
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additional property: CopyrightID
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639109
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef33dd19a7bb5a5b460bee2592f5c34fad233f3ca6f0ca8f9a123000739e9b28. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639109.
  date published: 2026-06-13T15:41:10Z
audio: Die Meistersinger Von Nurnberg (The Mastersingers Of Nuremberg): Wach Auf!
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Der Freischutz, J. 277: Bridesmaids' Chorus
type: MusicRecording
duration: PT2M37S
duration ms: 157960
explicit: false
by artist: Carl Maria von Weber
by artist: Slovak Radio Symphony Orchestra
by artist: Slovak Philharmonic Chorus
by artist: Johann Friedrich Kind
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
genre: classical
genre: opera
isrc code: HKI199639110
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/HKI199639110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T19:26:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff6941d0f766175d427b67adce2955e03352f152524670556c77e034c2c2c621. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639110.
  date published: 2026-07-30T19:26:00Z
audio: Der Freischutz, J. 277: Bridesmaids' Chorus
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Fidelio, Op. 72: Prisoners' Chorus
type: MusicRecording
duration: PT7M9S
duration ms: 429453
explicit: false
by artist: Slovak Philharmonic Chorus
by artist: Slovak Radio Symphony Orchestra
by artist: Joseph Sonnleithner
by artist: Georg Friedrich Treitschke
by artist: Ludwig van Beethoven
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
isrc code: HKI199639111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639111
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T15:42:38Z
audio: Fidelio, Op. 72: Prisoners' Chorus
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  additional property: Tempo (BPM)
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Tannhauser: Freudig Begrussen Wir
type: MusicRecording
duration: PT6M16S
duration ms: 376266
explicit: false
by artist: Slovak Philharmonic Chorus
by artist: Slovak Radio Symphony Orchestra
by artist: Richard Wagner
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
isrc code: HKI199639112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639112
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5a30752b910a819906fed1fe79f0699f93ce1477a8a941d1aed2762ee3d609. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639112.
  date published: 2026-07-31T02:19:15Z
audio: Tannhauser: Freudig Begrussen Wir
  type: AudioObject
  additional property: Tempo (BPM)
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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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Die Zauberflote (The Magic Flute), K. 620: Die Zauberflote (The Magic Flute), K. 620, Act II: Final Chorus
type: MusicRecording
duration: PT2M42S
duration ms: 162226
explicit: false
by artist: Emanuel Schikaneder
by artist: Wolfgang Amadeus Mozart
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
isrc code: HKI199639113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639113
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32Z
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 0xd69065db229ef9840b9e08966f8252a47fe74a0762e216deb0569e32501baed0. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639113.
  date published: 2026-08-01T01:44:32Z
audio: Die Zauberflote (The Magic Flute), K. 620: Die Zauberflote (The Magic Flute), K. 620, Act II: Final Chorus
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  additional property: Tempo (BPM)
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  additional property: Danceability
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    type: PropertyValue
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Tannhauser: Tannhauser, Act III: Begluckt Darf Nun Dich, "Pilgrims' Chorus"
type: MusicRecording
duration: PT3M42S
duration ms: 222533
explicit: false
by artist: Slovak Radio Symphony Orchestra
by artist: Slovak Philharmonic Chorus
by artist: Richard Wagner
in album: German Operatic Choruses
  type: MusicAlbum
  date published: 1997-02-28
genre: orchestra
genre: radio-symphony
genre: symfonicky-orchestr
isrc code: HKI199639114
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d017804b5e31e5252c407846b52f605bbc2123d2437a6c418ac82b5909e2ff2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199639114.
  date published: 2026-07-08T03:20:19Z
audio: Tannhauser: Tannhauser, Act III: Begluckt Darf Nun Dich, "Pilgrims' Chorus"
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  additional property: Loudness (dB)
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  additional property: Key Name
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Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
type: MusicAlbum
date published: 1999-08-01
track: Der Stein der Weisen, Act I: Overture
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  duration: PT4M14S
  duration ms: 254733
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  by artist: Wolfgang Amadeus Mozart
  by artist: Johann Baptist Henneberg
  by artist: Benedikt Schack
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  by artist: Emanuel Schikaneder
  by artist: Boston Baroque
  by artist: Martin Pearlman
  in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
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    date published: 1999-08-01
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-06-13T13:32:09Z
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track: Der Stein der Weisen, Act I: Introduction. Ihr Mädchen! Ihr Jünglinge!
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  by artist: Johann Baptist Henneberg
  by artist: Benedikt Schack
  by artist: Franz Xaver Gerl
  by artist: Emanuel Schikaneder
  by artist: Boston Baroque
  by artist: Martin Pearlman
  by artist: Chris Pedro Trakas
  by artist: Kevin Deas
  by artist: Jane Giering-De Haan
  by artist: Judith Lovat
  by artist: Paul Austin Kelly
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    date published: 1999-08-01
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  genre: classical-era
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  genre: opera
  genre: chamber-music
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Der Stein der Weisen, Act I: Dialogue (1)
track: Der Stein der Weisen, Act I: Aria. Alle Wetter! O ihr Götter!
track: Der Stein der Weisen, Act I: Aria. So ein schönes Weibchen
track: Der Stein der Weisen, Act I: Dialogue (4)
track: Der Stein der Weisen, Act I: Duet. Tralleralara! Tralleralla!
track: Der Stein der Weisen, Act I: Recitative. Du bist erhört! - Aria. In finstrer Höhlenkluft
track: Der Stein der Weisen, Act I: Chorus and Solo. Seht doch! Mit gold'nem Geweih
track: Der Stein der Weisen, Act I: Aria. Ein Mädchen, die von Liebe heiß
track: Der Stein der Weisen, Act I: Recitative. Das wirst du nie - Welch fremde Stimme hörte ich?
track: Der Stein der Weisen, Act I: Seht doch! Mit gold'nem Geweih
track: Der Stein der Weisen, Act I: Ich muß Nadine eilig nach
track: Der Stein der Weisen, Act II: Chorus with Solo and Recitative. Ach, Astromonte
track: Der Stein der Weisen, Act II: Duet. Nun, liebes Weibchen
track: Der Stein der Weisen, Act II: Chorus. Astromont' stirbt durch uns
track: Der Stein der Weisen, Act II: Finale. Miau! Miau!
track: Der Stein der Weisen, Act II: Fort, armer Jüngling

Der Stein der Weisen, Act I: Dialogue (1)
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duration ms: 85266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Kevin Deas
by artist: Jane Giering-De Haan
by artist: Judith Lovat
by artist: Paul Austin Kelly
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:48:30Z
audio: Der Stein der Weisen, Act I: Dialogue (1)
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Der Stein der Weisen, Act I: Aria. Alle Wetter! O ihr Götter!
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by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Kevin Deas
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: Der Stein der Weisen, Act I: Aria. Alle Wetter! O ihr Götter!
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Der Stein der Weisen, Act I: Aria. So ein schönes Weibchen
type: MusicRecording
duration: PT1M40S
duration ms: 100666
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Jane Giering-De Haan
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10706508
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
audio: Der Stein der Weisen, Act I: Aria. So ein schönes Weibchen
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Der Stein der Weisen, Act I: Dialogue (4)
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duration: PT1M32S
duration ms: 92666
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by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Kevin Deas
by artist: Jane Giering-De Haan
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genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Der Stein der Weisen, Act I: Dialogue (4)
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Der Stein der Weisen, Act I: Duet. Tralleralara! Tralleralla!
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by artist: Emanuel Schikaneder
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10710508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
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 0x6e271a88184271f933e125d3ffc00f35856820eb6713d08589624a7cf5b21bb9. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10710508.
  date published: 2026-07-30T06:39:12Z
audio: Der Stein der Weisen, Act I: Duet. Tralleralara! Tralleralla!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.109
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.476
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.172
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.236
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.091
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Der Stein der Weisen, Act I: Recitative. Du bist erhört! - Aria. In finstrer Höhlenkluft
type: MusicRecording
duration: PT3M24S
duration ms: 204133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Alan Ewing
by artist: Jane Giering-De Haan
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10712508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T15:52:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e7be4f5180e9edf5cf74be9678245c58c8b61e9f5d53e6a81245e4f4ec2f11a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10712508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T16:01:17Z
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 0x5e7be4f5180e9edf5cf74be9678245c58c8b61e9f5d53e6a81245e4f4ec2f11a. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10712508.
  date published: 2026-07-30T16:01:17Z
audio: Der Stein der Weisen, Act I: Recitative. Du bist erhört! - Aria. In finstrer Höhlenkluft
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.391
  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: 0.384
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.093
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.518
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.14
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.734
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Stein der Weisen, Act I: Chorus and Solo. Seht doch! Mit gold'nem Geweih
type: MusicRecording
duration: PT1M51S
duration ms: 111706
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Kevin Deas
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10714508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T04:16:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ef8cf1dba6448752bef0a9664920259d471df54c02086d0942ac9c9a00ef55c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960207
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960207
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10714508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T04:47:22Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ef8cf1dba6448752bef0a9664920259d471df54c02086d0942ac9c9a00ef55c. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10714508.
  date published: 2026-07-30T04:47:22Z
audio: Der Stein der Weisen, Act I: Chorus and Solo. Seht doch! Mit gold'nem Geweih
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.507
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.448
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.06
  additional property: Liveness
    type: PropertyValue
    value: 0.155
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.574
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.595
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Stein der Weisen, Act I: Aria. Ein Mädchen, die von Liebe heiß
type: MusicRecording
duration: PT3M11S
duration ms: 191173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Judith Lovat
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10716508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:27:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x91ad7e3e38581d9486f1b098a96a88643e34a2d639cccb7c3f8ec6e4b77ea318
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/USTE10716508
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 0x91ad7e3e38581d9486f1b098a96a88643e34a2d639cccb7c3f8ec6e4b77ea318. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10716508.
  date published: 2026-07-08T03:20:19Z
audio: Der Stein der Weisen, Act I: Aria. Ein Mädchen, die von Liebe heiß
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.99
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.303
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.174
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.096
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.977
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Stein der Weisen, Act I: Recitative. Das wirst du nie - Welch fremde Stimme hörte ich?
type: MusicRecording
duration: PT3M56S
duration ms: 236040
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Kurt Streit
by artist: Paul Austin Kelly
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10718508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T20:36:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1420d3d68ac3196c1e7d6549da589c3a0dfbb6e50f40d0c7333bb70b7a4b3697
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10718508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:09:47Z
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 0x1420d3d68ac3196c1e7d6549da589c3a0dfbb6e50f40d0c7333bb70b7a4b3697. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10718508.
  date published: 2026-07-29T21:09:47Z
audio: Der Stein der Weisen, Act I: Recitative. Das wirst du nie - Welch fremde Stimme hörte ich?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.053
  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: 0.303
  additional property: Energy
    type: PropertyValue
    value: 0.07
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.132
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.082
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.202
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Stein der Weisen, Act I: Seht doch! Mit gold'nem Geweih
type: MusicRecording
duration: PT2M49S
duration ms: 169306
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Kevin Deas
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10721508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:10:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x047acad2c9e24b4ece06b2550caa1726aa375ad800cd19bea0982c9d5a5207da
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960236
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960236
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10721508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:37:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x047acad2c9e24b4ece06b2550caa1726aa375ad800cd19bea0982c9d5a5207da. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10721508.
  date published: 2026-07-30T09:37:10Z
audio: Der Stein der Weisen, Act I: Seht doch! Mit gold'nem Geweih
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.753
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.6
  additional property: Energy
    type: PropertyValue
    value: 0.398
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.226
  additional property: Liveness
    type: PropertyValue
    value: 0.183
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.558
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.62
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Stein der Weisen, Act I: Ich muß Nadine eilig nach
type: MusicRecording
duration: PT1M3S
duration ms: 63840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Chris Pedro Trakas
by artist: Kevin Deas
by artist: Paul Austin Kelly
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10725508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:15:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe45e307873f4fc37b979a39b1e63cd375fc603718637a58bcbcb3bf232e8ff68
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960422
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10725508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:27:29Z
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 0xe45e307873f4fc37b979a39b1e63cd375fc603718637a58bcbcb3bf232e8ff68. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10725508.
  date published: 2026-07-31T15:27:29Z
audio: Der Stein der Weisen, Act I: Ich muß Nadine eilig nach
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  additional property: Valence (Positivity)
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Der Stein der Weisen, Act II: Chorus with Solo and Recitative. Ach, Astromonte
type: MusicRecording
duration: PT3M40S
duration ms: 220760
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Alan Ewing
by artist: Sharon Baker
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10728508
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960241
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10728508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:58:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18bef3786d68f55b543fbacd0d2bcb74353584312c3a829c320584d1895e9196. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10728508.
  date published: 2026-07-30T09:58:01Z
audio: Der Stein der Weisen, Act II: Chorus with Solo and Recitative. Ach, Astromonte
  type: AudioObject
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  additional property: Valence (Positivity)
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Der Stein der Weisen, Act II: Duet. Nun, liebes Weibchen
type: MusicRecording
duration: PT2M6S
duration ms: 126600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Kevin Deas
by artist: Jane Giering-De Haan
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10734508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960250
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10734508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T11:13:28Z
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 0x42f4f270803e7f2d307656f7519db247e38881379d0fb9e12078272bd1f7f4a7. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10734508.
  date published: 2026-07-30T11:13:28Z
audio: Der Stein der Weisen, Act II: Duet. Nun, liebes Weibchen
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Der Stein der Weisen, Act II: Chorus. Astromont' stirbt durch uns
type: MusicRecording
duration: PT2M34S
duration ms: 154960
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Kevin Deas
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10740508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T00:23:56+00:00
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/960179
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10740508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T00:39:11Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5796f4d5dd0d722ab7b710a7baaf5520ba41e897fad7f8644b86ae0dc1dd883a. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10740508.
  date published: 2026-07-30T00:39:11Z
audio: Der Stein der Weisen, Act II: Chorus. Astromont' stirbt durch uns
  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: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Der Stein der Weisen, Act II: Finale. Miau! Miau!
type: MusicRecording
duration: PT1M26S
duration ms: 86640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Kevin Deas
by artist: Jane Giering-De Haan
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10746508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:37:05+00:00
additional property: CopyrightChainExplorerURL
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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/USTE10746508
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 0xaa58f10a28c3420229b7e133e7ae2527f97cb034419b5050a8de7662832a4459. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10746508.
  date published: 2026-07-08T03:20:19Z
audio: Der Stein der Weisen, Act II: Finale. Miau! Miau!
  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: Valence (Positivity)
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  additional property: Key Name
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Der Stein der Weisen, Act II: Fort, armer Jüngling
type: MusicRecording
duration: PT1M37S
duration ms: 97533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Baptist Henneberg
by artist: Benedikt Schack
by artist: Franz Xaver Gerl
by artist: Emanuel Schikaneder
by artist: Boston Baroque
by artist: Martin Pearlman
by artist: Sharon Baker
by artist: Paul Austin Kelly
in album: Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
  type: MusicAlbum
  date published: 1999-08-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USTE10750508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T15:42:46+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/960276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10750508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T16:01:17Z
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 0x9800d5c2d5d8dc933a2311fd74b29024af05152b19ae2da1a1485b802b3d7762. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10750508.
  date published: 2026-07-30T16:01:17Z
audio: Der Stein der Weisen, Act II: Fort, armer Jüngling
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  additional property: Mode (Major/Minor)
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Mozart: Die Zauberflöte, K. 620
type: MusicAlbum
date published: 2005

Classical Music to Lift Your Spirits
type: MusicAlbum
date published: 2020-11-06
track: Symphony No. 3 in A Minor, Op. 56, MWV N 18: 2. Vivace non troppo
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  by artist: Sebastian Lang-Lessing
  by artist: Tasmanian Symphony Orchestra
  in album: Classical Music to Lift Your Spirits
    type: MusicAlbum
    date published: 2020-11-06
  popularity: 2
  genre: classical
  genre: early-romantic-era
  genre: german-romanticism
  genre: classical-piano
  genre: choral
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  additional property: CopyrightID
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  additional property: CopyrightChainExplorerURL
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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/AUAB00950620
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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track: Die Zauberflöte, K. 620, Act 2: "Pa-Pa-Pa-Pa-Pa-Pa-Papagena!"
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OpenTimestamps Proof of Existence
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date published: 2026-07-31T18:48:12Z

Symphony No. 6 in F Major, Op. 68 "Pastoral": 1. Erwachen heiterer Empfindungen bei der Ankunft auf dem Lande. Allegro ma non troppo - Live from City Recital Hall, Sydney, 2011
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Thaïs, Act 2: Méditation
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Music for a Found Harmonium
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Die Zauberflöte, K. 620, Act 2: "Pa-Pa-Pa-Pa-Pa-Pa-Papagena!"
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Nabucco, Act 3: "Va', pensiero" (Chorus of the Hebrew Slaves)
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    value: 0.784
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.476
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
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Fantasia on a Theme by Thomas Tallis
type: MusicRecording
duration: PT15M24S
duration ms: 924174
explicit: false
by artist: Ralph Vaughan Williams
by artist: Patrick Thomas
by artist: Queensland Symphony Orchestra
in album: Classical Music to Lift Your Spirits
  type: MusicAlbum
  date published: 2020-11-06
popularity: 1
isrc code: AUAB00350053
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1696d2781c3eb4157bc892e9b54490c895d0ffe25e395d1b0a9564a5ff01ab6
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/AUAB00350053
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 0xe1696d2781c3eb4157bc892e9b54490c895d0ffe25e395d1b0a9564a5ff01ab6. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00350053.
  date published: 2026-07-31T15:20:15Z
audio: Fantasia on a Theme by Thomas Tallis
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.674
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.066
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
    value: 0.614
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.867
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.472
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Zadok the Priest, HWV 258
type: MusicRecording
duration: PT4M55S
duration ms: 295763
explicit: false
by artist: George Frideric Handel
by artist: Brandenburg Choir
by artist: Australian Brandenburg Orchestra
by artist: Paul Dyer
in album: Classical Music to Lift Your Spirits
  type: MusicAlbum
  date published: 2020-11-06
popularity: 1
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: AUAB01550601
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01550601
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 0x05234344dfec2348ba31398a06ec073c4f26b15689d0c12c8b12615731e25d18. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01550601.
  date published: 2026-07-08T03:20:19Z
audio: Zadok the Priest, HWV 258
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.388
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.382
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.73
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.497
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Brandenburg Concerto No. 3 in G Major, BWV 1048: 1. Allegro
type: MusicRecording
duration: PT5M31S
duration ms: 331333
explicit: false
by artist: Johann Sebastian Bach
by artist: Orchestra of the Antipodes
by artist: Antony Walker
in album: Classical Music to Lift Your Spirits
  type: MusicAlbum
  date published: 2020-11-06
popularity: 7
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: AUAB00750703
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xcf7e3f366c2c3947f2739bab57d737949591eb856da3c4441573b40c3ec3cc97
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957046
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00750703
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
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 0xcf7e3f366c2c3947f2739bab57d737949591eb856da3c4441573b40c3ec3cc97. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00750703.
  date published: 2026-07-07T14:04:01Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: 1. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.158
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.49
  additional property: Energy
    type: PropertyValue
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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
    type: PropertyValue
    value: 0.446
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -23.777
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Bardju - Footprints (Arr. Jessica Wells)
type: MusicRecording
duration: PT1M56S
duration ms: 116686
explicit: false
by artist: Brenda Gifford
by artist: Jessica Wells
by artist: Ensemble Offspring
in album: Classical Music to Lift Your Spirits
  type: MusicAlbum
  date published: 2020-11-06
popularity: 3
isrc code: AUAB01850512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T15:58:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7337e29ccd0b86da62e4b80c29578122753d8beb6efea1c5be28ef8b65628bc2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01850512
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7337e29ccd0b86da62e4b80c29578122753d8beb6efea1c5be28ef8b65628bc2. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01850512.
  date published: 2026-07-29T19:35:34Z
audio: Bardju - Footprints (Arr. Jessica Wells)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.616
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.611
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.85
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.634
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.554
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.25
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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The Rotation of the Earth
type: MusicRecording
duration: PT4M40S
duration ms: 280760
explicit: false
by artist: Stuart Greenbaum
by artist: ACO Collective
in album: Classical Music to Lift Your Spirits
  type: MusicAlbum
  date published: 2020-11-06
popularity: 1
isrc code: AUAB01850361
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2822af4d002f4bcb366ffed729efade59192834db82c2ddc5cdae34ed661bdc0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01850361
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 0x2822af4d002f4bcb366ffed729efade59192834db82c2ddc5cdae34ed661bdc0. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01850361.
  date published: 2026-07-31T08:26:41Z
audio: The Rotation of the Earth
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.359
  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: 0.353
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.915
  additional property: Liveness
    type: PropertyValue
    value: 0.037
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.215
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.581
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Forty Reasons To Be Cheerful (Festive Fanfare)
type: MusicRecording
duration: PT6M40S
duration ms: 400403
explicit: false
by artist: Graeme Koehne
by artist: Tasmanian Symphony Orchestra
by artist: Richard Mills
in album: Classical Music to Lift Your Spirits
  type: MusicAlbum
  date published: 2020-11-06
popularity: 2
isrc code: AUAB01550028
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd84ced6365c263393520e48e0d131eef7b7ddb9f716ba337b63c201baeb867b0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01550028
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84ced6365c263393520e48e0d131eef7b7ddb9f716ba337b63c201baeb867b0. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01550028.
  date published: 2026-07-31T02:19:15Z
audio: Forty Reasons To Be Cheerful (Festive Fanfare)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.424
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.266
  additional property: Energy
    type: PropertyValue
    value: 0.349
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.875
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.889
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.364
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.919
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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    value: Major

Etruscan Concerto: 1. Promenade
type: MusicRecording
duration: PT4M8S
duration ms: 248040
explicit: false
by artist: Peggy Glanville-Hicks
by artist: Caroline Almonte
by artist: Tasmanian Symphony Orchestra
by artist: Richard Mills
in album: Classical Music to Lift Your Spirits
  type: MusicAlbum
  date published: 2020-11-06
popularity: 2
isrc code: AUAB00950050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:14:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6b976017a8fb9cb7233912524e3fc910cab6eccaef8427d35051a46e06cc655
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/AUAB00950050
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 0xd6b976017a8fb9cb7233912524e3fc910cab6eccaef8427d35051a46e06cc655. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00950050.
  date published: 2026-07-08T03:20:19Z
audio: Etruscan Concerto: 1. Promenade
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.06
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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The Fairy Dance Medley: Mr Barnard / Miss Baird of Saughtonhall’s Hornpipe / The Fairy Dance
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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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Der Stein der Weisen oder Die Zauberinsel
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Mozart Arias
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T00:16:15Z
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  subject of: OpenTimestamps Proof of Existence
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track: Don Giovanni, K. 527, Act 1: "Batti, batti, o bel Masetto"

Mozart Arias
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Die Zauberflöte, K. 620, Act 2: "Ach, ich fühl's"
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Don Giovanni, K. 527, Act 1: "Batti, batti, o bel Masetto"
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subject of: OpenTimestamps Proof of Existence
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The Magic Flute
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    type: PropertyValue
    value: 2026-07-07T09:00:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2bde76af9c894db30ae194082d2d17f1fc51af42e49ea6c0194ae69effb0c338
  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/SEPVI9545010
  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 0x2bde76af9c894db30ae194082d2d17f1fc51af42e49ea6c0194ae69effb0c338. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545010.
    date published: 2026-07-08T03:20:19Z
  audio: Overture
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.778
    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: 0.314
    additional property: Energy
      type: PropertyValue
      value: 0.064
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.993
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.903
    additional property: Liveness
      type: PropertyValue
      value: 0.712
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.184
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.421
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: No 1, Introduction, Tamino and Three Ladies
  type: MusicRecording
  duration: PT6M40S
  duration ms: 400026
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Emanuel Schikaneder
  by artist: Göteborg Brass Band
  in album: The Magic Flute
    type: MusicAlbum
    date published: 1995-10-16
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: SEPVI9545011
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T21:09:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x48301b65f4159637430e7e20ceb34a1c903db2a141a22763bb87d2d4d71910bb
  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/SEPVI9545011
  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 0x48301b65f4159637430e7e20ceb34a1c903db2a141a22763bb87d2d4d71910bb. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545011.
    date published: 2026-07-08T03:22:41Z
  audio: No 1, Introduction, Tamino and Three Ladies
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.782
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.421
    additional property: Energy
      type: PropertyValue
      value: 0.061
    additional property: Speechiness
      type: PropertyValue
      value: 0.066
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.702
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.179
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.153
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: No 2, Aria, Papageno
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172000
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Emanuel Schikaneder
  by artist: Göteborg Brass Band
  in album: The Magic Flute
    type: MusicAlbum
    date published: 1995-10-16
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: SEPVI9545012
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: No 2, Aria, Papageno
track: No 3, Aria, Tamino
track: No 4, Recitative and Aria, the Queen
track: No 5, Quintet, Papageno, Tamino and Three Ladies
track: No 7, Duet, Pamino, Papageno
track: No 8, Aria, Tamino
track: No 14, The Queen of the Night
track: No 20, Aria, Papageno
track: Papageno, Three Boys
track: Papageno, Papagena
track: Sarastro, Chorus

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-06T21:52:30+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x73d2c52178537f4e7ea899c71b917cade1a3dcae9839bb54be59603704f8cd3d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545012

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 0x73d2c52178537f4e7ea899c71b917cade1a3dcae9839bb54be59603704f8cd3d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545012.
date published: 2026-07-08T03:20:19Z

No 2, Aria, Papageno
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102.126
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.537
additional property: Energy
  type: PropertyValue
  value: 0.056
additional property: Speechiness
  type: PropertyValue
  value: 0.244
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.73
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.667
additional property: Loudness (dB)
  type: PropertyValue
  value: -28.249
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

No 3, Aria, Tamino
type: MusicRecording
duration: PT3M54S
duration ms: 234640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emanuel Schikaneder
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: SEPVI9545013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:55:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x80b776583b6ed05f32946f625d37f89d5a6346714e4ca0594417ece3ff0898ba
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/SEPVI9545013
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 0x80b776583b6ed05f32946f625d37f89d5a6346714e4ca0594417ece3ff0898ba. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545013.
  date published: 2026-07-08T03:20:19Z
audio: No 3, Aria, Tamino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.44
  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: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.704
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.057
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

No 4, Recitative and Aria, the Queen
type: MusicRecording
duration: PT4M50S
duration ms: 290400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emanuel Schikaneder
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: SEPVI9545014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T08:04:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9332752bac8d46d47ef1f9ec970601c9fcb246ae2ab34a7fbf594d2c0c2f60bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 0x9332752bac8d46d47ef1f9ec970601c9fcb246ae2ab34a7fbf594d2c0c2f60bc. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545014.
  date published: 2026-07-31T08:26:41Z
audio: No 4, Recitative and Aria, the Queen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.569
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.422
  additional property: Energy
    type: PropertyValue
    value: 0.127
  additional property: Speechiness
    type: PropertyValue
    value: 0.105
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.695
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.181
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.066
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

No 5, Quintet, Papageno, Tamino and Three Ladies
type: MusicRecording
duration: PT6M22S
duration ms: 382000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emanuel Schikaneder
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: SEPVI9545015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:42:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb342653d425ee5da804cc4c0e29092b982fd992230564e45d7eb1e28258c7d25
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/SEPVI9545015
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 0xb342653d425ee5da804cc4c0e29092b982fd992230564e45d7eb1e28258c7d25. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545015.
  date published: 2026-07-08T03:20:19Z
audio: No 5, Quintet, Papageno, Tamino and Three Ladies
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.749
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.448
  additional property: Energy
    type: PropertyValue
    value: 0.083
  additional property: Speechiness
    type: PropertyValue
    value: 0.188
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.718
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.324
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.447
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

No 7, Duet, Pamino, Papageno
type: MusicRecording
duration: PT3M8S
duration ms: 188826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emanuel Schikaneder
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: SEPVI9545016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T21:21:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb927e94eeb513cbcf99a268db9814b3d17752e6bf070522e54fe7cf409ccdc63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960473
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960473
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-31T22:27:44Z
audio: No 7, Duet, Pamino, Papageno
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No 8, Aria, Tamino
type: MusicRecording
duration: PT2M53S
duration ms: 173973
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emanuel Schikaneder
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T21:25:57Z
audio: No 8, Aria, Tamino
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No 14, The Queen of the Night
type: MusicRecording
duration: PT3M14S
duration ms: 194493
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by artist: Wolfgang Amadeus Mozart
by artist: Emanuel Schikaneder
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: No 14, The Queen of the Night
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No 20, Aria, Papageno
type: MusicRecording
duration: PT4M10S
duration ms: 250893
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emanuel Schikaneder
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-31T15:20:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T15:20:33Z
audio: No 20, Aria, Papageno
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Papageno, Three Boys
type: MusicRecording
duration: PT5M33S
duration ms: 333466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T21:25:57Z
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 0x02e132422d65493171de678b925b6f3c25c78b2476937130aae84b97190dea56. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPVI9545027.
  date published: 2026-07-31T21:25:57Z
audio: Papageno, Three Boys
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Papageno, Papagena
type: MusicRecording
duration: PT2M35S
duration ms: 155106
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Papageno, Papagena
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Sarastro, Chorus
type: MusicRecording
duration: PT3M2S
duration ms: 182826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Göteborg Brass Band
in album: The Magic Flute
  type: MusicAlbum
  date published: 1995-10-16
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: SEPVI9545029
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  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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  date published: 2026-08-01T03:13:03Z
audio: Sarastro, Chorus
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Mozart: Klassische Meisterwerke
type: MusicAlbum
date published: 2023-09-19

Classical Essentials: Mozart
type: MusicAlbum
date published: 2023-08-28

The Best Of Opera Volume 4
type: MusicAlbum
date published: 2000-05-21
track: L'elisir D'amore (The Elixir Of Love): Una Furtiva Lagrima
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  duration: PT5M11S
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  by artist: Hungarian State Opera Orchestra
  by artist: Felice Romani
  by artist: Gaetano Donizetti
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    date published: 2000-05-21
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ff63253417a7d7ba2586318d02064820e122571d672d577dbe809b0ae2e7dc0. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199602510.
    date published: 2026-07-31T03:15:04Z
  audio: L'elisir D'amore (The Elixir Of Love): Una Furtiva Lagrima
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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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