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genre: classical
genre: opera
description: Sir Jeffrey Philip Tate (28 April 19432 June 2017) was an English conductor of classical music. Tate was born with spina bifida and had an associated spinal curvature. After studying medicine at th
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  track: Les Contes d'Hoffmann / Act 4: "Messieurs, silence!"
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  track: Les Contes d'Hoffmann / Act 2: "Voici les valseurs!"
  track: Les Contes d'Hoffmann / Act 4: "Belle nuit, ô nuit d'amour"
  track: Les Contes d'Hoffmann / Act 1: "Deux heures devant moi!"
  track: Les Contes d'Hoffmann / Act 3: "Malheureuse enfant"
  track: Les Contes d'Hoffmann / Act 1: "Bonjour, amis"
  track: Les Contes d'Hoffmann / Act 4: "Charmante!"
  track: Les Contes d'Hoffmann / Act 1: "Peuh! cette bière est détestable!"
  track: Les Contes d'Hoffmann / Act 3: "Pourtant, ô ma fiancée"
  track: Les Contes d'Hoffmann / Act 2: Entr'acte
  track: Les Contes d'Hoffmann / Act 3: "Qu'as-tu donc?... Tu souffres?"
  track: Les Contes d'Hoffmann / Act 3: "Ne plus chanter!"
  track: Les Contes d'Hoffmann / Act 3: "Tu ne chanteras plus?"
  track: Les Contes d'Hoffmann / Act 2: "C'est moi, Coppélius"
  track: Les Contes d'Hoffmann / Act 2: "Serviteur!"
  track: Les Contes d'Hoffmann / Act 2: "Tout est prêt!"
  track: Les Contes d'Hoffmann / Act 2: "Non, aucun hôte vraiment"
  track: Les Contes d'Hoffmann / Act 2: "Ah! mon ami, quel accent!"
  track: Les Contes d'Hoffmann / Act 1: Prélude - "Glou, glou, glou! Je suis la bière"
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track: Hochzeitsmarsch

Les Contes d'Hoffmann / Act 4: "Belle nuit, ô nuit d'amour"
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Les Contes d'Hoffmann / Act 1: Prélude - "Glou, glou, glou! Je suis la bière"
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Bach, JS: Violin Concerto No. 1 in A Minor, BWV 1041: I. —
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Haydn: Symphony No. 100 in G Major, Hob. I:100 "Military": I. (a) Adagio
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  date published: 2026-07-02T03:55:08Z
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Haydn: Symphony No. 100 in G Major, Hob. I:100 "Military": I. (b) Allegro
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  date published: 2026-07-02T03:55:08Z
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Haydn: Symphony No. 100 in G Major, Hob. I:100 "Military": II. Allegretto
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  date published: 2026-07-02T03:55:08Z
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Haydn: Symphony No. 100 in G Major, Hob. I:100 "Military": III. Menuetto. Moderato
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  date published: 2026-07-22T15:43:44Z
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Haydn: Symphony No. 103 in E-Flat Major, Hob. I:103 "Drumroll": I. (a) Adagio
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  date published: 2026-07-22T15:39:05Z
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Haydn: Symphony No. 103 in E-Flat Major, Hob. I:103 "Drumroll": I. (b) Allegro con spirito
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  date published: 2026-07-22T15:38:35Z
audio: Haydn: Symphony No. 103 in E-Flat Major, Hob. I:103 "Drumroll": I. (b) Allegro con spirito
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Piano Concerto No. 11 in F major, K.413: 1. Allegro
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Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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by artist: Mitsuko Uchida
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
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genre: classical-era
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T11:38:34Z
audio: Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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MOZART: SYMPHONY NO. 40 IN G MINOR, K.550: I. MOLTO ALLEGRO
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additional property: OTSVerifyInstructions
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Louise / Act 3: "Depuis le jour"
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by artist: Renée Fleming
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:55:08Z
audio: Louise / Act 3: "Depuis le jour"
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Ciganské melodie, Op. 55, B. 104: 4. Songs My Mother Taught Me
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duration: PT2M24S
duration ms: 144266
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by artist: Renée Fleming
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
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popularity: 9
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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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  date published: 2026-07-02T11:34:59Z
audio: Ciganské melodie, Op. 55, B. 104: 4. Songs My Mother Taught Me
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Martha / Act 2: Last Rose of Summer
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by artist: Renée Fleming
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
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popularity: 27
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T17:25:41Z
audio: Martha / Act 2: Last Rose of Summer
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La rondine, SC 83 / Act I: "Chi il bel sogno di Doretta"
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by artist: Renée Fleming
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
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additional property: OTSVerifyInstructions
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audio: La rondine, SC 83 / Act I: "Chi il bel sogno di Doretta"
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Die tote Stadt, Act I: Glück, das mir verblieb (Mariettalied)
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by artist: English Chamber Orchestra
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popularity: 20
genre: early-modern-classical
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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/GBF079710200
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x242a4290fcd51514a4527becb6f62d74419521788191fcf7ca3044cc26e7d8ce. 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/GBF079710200.
  date published: 2026-06-13T13:32:09Z
audio: Die tote Stadt, Act I: Glück, das mir verblieb (Mariettalied)
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  additional property: Tempo (BPM)
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    value: 109.544
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.184
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.436
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.529
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Carmina Burana / 3. Cour d'amours: "In trutina"
type: MusicRecording
duration: PT2M41S
duration ms: 161066
explicit: false
by artist: Carl Orff
by artist: Renée Fleming
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Renée Fleming - The Beautiful Voice
  type: MusicAlbum
  date published: 1998-01-01
popularity: 17
isrc code: GBF079710210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T08:57:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3391c2d90545425ff8808f784f63ddffab86dedfe8af0de3d372d379bd43326c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079710210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3391c2d90545425ff8808f784f63ddffab86dedfe8af0de3d372d379bd43326c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBF079710210.
  date published: 2026-07-02T03:30:09Z
audio: Carmina Burana / 3. Cour d'amours: "In trutina"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.548
  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: 0.19
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.133
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.167
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vier Lieder, Op. 27, TrV 170: 4. Morgen
type: MusicRecording
duration: PT4M6S
duration ms: 246826
explicit: false
by artist: Richard Strauss
by artist: Renée Fleming
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Renée Fleming - The Beautiful Voice
  type: MusicAlbum
  date published: 1998-01-01
popularity: 12
genre: classical
genre: opera
genre: orchestra
isrc code: GBF079710220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T13:23:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x632700bbbcb53d8da614df37a69495280737aeddff2128b6b42a98dabef319db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954130
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079710220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:07:14Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 954130
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-17T19:07:14+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x632700bbbcb53d8da614df37a69495280737aeddff2128b6b42a98dabef319db. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/GBF079710220.
  date published: 2026-06-17T19:07:14Z
audio: Vier Lieder, Op. 27, TrV 170: 4. Morgen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.127
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.175
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.058
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.769
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Fledermaus / Act 2: Nr.10 Csárdás: "Klänge der Heimat"
type: MusicRecording
duration: PT4M36S
duration ms: 276506
explicit: false
by artist: Johann Strauss II
by artist: Renée Fleming
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Renée Fleming - The Beautiful Voice
  type: MusicAlbum
  date published: 1998-01-01
popularity: 7
isrc code: GBF079710240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:32:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa831cba0d0f7aac0b6b91c79650d7c762439cfb23442cfb751c45d1b45d5b5e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079710240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956889
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-06T06:56:49+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa831cba0d0f7aac0b6b91c79650d7c762439cfb23442cfb751c45d1b45d5b5e0. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBF079710240.
  date published: 2026-07-06T06:56:49Z
audio: Die Fledermaus / Act 2: Nr.10 Csárdás: "Klänge der Heimat"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.868
  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: 0.252
  additional property: Energy
    type: PropertyValue
    value: 0.103
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.242
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.095
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.245
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die lustige Witwe / Act 2: Vilja-Lied
type: MusicRecording
duration: PT5M57S
duration ms: 357626
explicit: false
by artist: Franz Lehár
by artist: Renée Fleming
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Renée Fleming - The Beautiful Voice
  type: MusicAlbum
  date published: 1998-01-01
popularity: 11
genre: opera
isrc code: GBF079710250
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T19:28:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb97cacae4cecdce324d0b5b2a02577d97f294f63046886f07679cdf2ba401ab1
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/GBF079710250
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb97cacae4cecdce324d0b5b2a02577d97f294f63046886f07679cdf2ba401ab1. 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/GBF079710250.
  date published: 2026-07-02T03:55:08Z
audio: Die lustige Witwe / Act 2: Vilja-Lied
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.15
  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: 0.305
  additional property: Energy
    type: PropertyValue
    value: 0.099
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.177
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.056
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.548
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mendelssohn: A Midsummer Night's Dream, Op. 61, MWV M13: No. 1, Scherzo
type: MusicRecording
duration: PT4M41S
duration ms: 281866
explicit: false
by artist: Felix Mendelssohn
by artist: Rotterdam Philharmonic Orchestra
by artist: Jeffrey Tate
in album: Mendelssohn: Le Songe d'une nuit d'été, Op. 61 - Britten: Nocturne, Op. 60
  type: MusicAlbum
  date published: 1997-07-01
popularity: 9
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: GBAYC9000292
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:52:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81be82c677a71bfd44b785b27c3d88c4547a6348307f5e59ff49b75ef48fda0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000292
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81be82c677a71bfd44b785b27c3d88c4547a6348307f5e59ff49b75ef48fda0f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBAYC9000292.
  date published: 2026-07-02T11:38:34Z
audio: Mendelssohn: A Midsummer Night's Dream, Op. 61, MWV M13: No. 1, Scherzo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.73
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.374
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.932
  additional property: Liveness
    type: PropertyValue
    value: 0.206
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.513
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.056
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mendelssohn: A Midsummer Night's Dream, Op. 61, MWV M13: No. 2, Fairies' March
type: MusicRecording
duration: PT1M9S
duration ms: 69960
explicit: false
by artist: Felix Mendelssohn
by artist: Rotterdam Philharmonic Orchestra
by artist: Jeffrey Tate
in album: Mendelssohn: A Midsummer Night's Dream
  type: MusicAlbum
  date published: 1997-07-01
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: GBAYC9000293
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:41:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35e89e037901c0b9cac28e6ba4d68ace6b48e1d8d324b7ccc6a19ae2d7070445
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/GBAYC9000293
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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  date published: 2026-07-02T03:55:08Z
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Mendelssohn: A Midsummer Night's Dream, Op. 61, MWV M13: No. 7, Nocturne
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by artist: Jeffrey Tate
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genre: classical
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  date published: 2026-07-02T03:55:08Z
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Haydn: Symphony No. 96 in D Major, Hob. I:96 "Miracle": I. Adagio - Allegro
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  date published: 2026-07-02T03:55:08Z
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Haydn: Symphony No. 96 in D Major, Hob. I:96 "Miracle": II. Andante
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  date published: 2026-07-02T03:55:08Z
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Piano Concerto No. 16 in D major, K.451: 3. Rondeau (Allegro di molto)
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  date published: 2026-07-22T15:38:35Z
audio: Piano Concerto No. 16 in D major, K.451: 3. Rondeau (Allegro di molto)
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Mozart: Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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  date published: 2026-06-13T12:47:07Z
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Beethoven: Missa solemnis in D Major, Op. 123: Agnus Dei
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popularity: 14
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  date published: 2026-07-02T03:55:08Z
audio: Beethoven: Missa solemnis in D Major, Op. 123: Agnus Dei
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Acousticness
type: PropertyValue
value: 0.969

Instrumentalness
type: PropertyValue
value: 0.825

Liveness
type: PropertyValue
value: 0.762

Valence (Positivity)
type: PropertyValue
value: 0.181

Loudness (dB)
type: PropertyValue
value: -32.515

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Les Contes d'Hoffmann / Act 2: "Voici les valseurs!"
type: MusicRecording
duration: PT4M22S
duration ms: 262106
explicit: false
by artist: Jacques Offenbach
by artist: Anne Sofie von Otter
by artist: Riccardo Cassinelli
by artist: Georges Gautier
by artist: Francisco Araiza
by artist: Eva Lind
by artist: Samuel Ramey
by artist: MDR Leipzig Radio Chorus
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
by artist: Ricardo Cassinelli
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543625
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:54:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7cccaeffca51f790aba879f436fd95c9ac2c66984155b0a83cad1fee393864d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543625
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7cccaeffca51f790aba879f436fd95c9ac2c66984155b0a83cad1fee393864d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543625.
  date published: 2026-07-08T03:53:27Z
audio: Les Contes d'Hoffmann / Act 2: "Voici les valseurs!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.769
  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: 0.352
  additional property: Energy
    type: PropertyValue
    value: 0.285
  additional property: Speechiness
    type: PropertyValue
    value: 0.117
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.424
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.814
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 1: "Deux heures devant moi!"
type: MusicRecording
duration: PT4M5S
duration ms: 245973
explicit: false
by artist: Jacques Offenbach
by artist: Jürgen Hartfiel
by artist: Samuel Ramey
by artist: Rolf Tomaszewski
by artist: Peter Menzel
by artist: MDR Leipzig Radio Chorus
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543605
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T10:56:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a6c1ee53faa3a89da346f8dd12dc62503c8e9e8d0e8743dd5805ae1231bc56f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957061
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543605
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a6c1ee53faa3a89da346f8dd12dc62503c8e9e8d0e8743dd5805ae1231bc56f. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/NLA508543605.
  date published: 2026-07-07T16:07:00Z
audio: Les Contes d'Hoffmann / Act 1: "Deux heures devant moi!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.71
  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: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.212
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.743
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.337
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.342
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 3: "Malheureuse enfant"
type: MusicRecording
duration: PT1M18S
duration ms: 78640
explicit: false
by artist: Jacques Offenbach
by artist: Boris Martinovitch
by artist: Jessye Norman
by artist: Georges Gautier
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543627
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:11:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9fbe8cb3e58cb89fc4822608214761445f9d2035c641be9797c1d3c4884973bf
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/NLA508543627
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fbe8cb3e58cb89fc4822608214761445f9d2035c641be9797c1d3c4884973bf. 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/NLA508543627.
  date published: 2026-07-08T03:22:41Z
audio: Les Contes d'Hoffmann / Act 3: "Malheureuse enfant"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.571
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.65
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.81
  additional property: Acousticness
    type: PropertyValue
    value: 0.756
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.401
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.501
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 1: "Bonjour, amis"
type: MusicRecording
duration: PT3M17S
duration ms: 197760
explicit: false
by artist: Jacques Offenbach
by artist: Anne Sofie von Otter
by artist: Jürgen Hartfiel
by artist: Francisco Araiza
by artist: Peter Menzel
by artist: MDR Leipzig Radio Chorus
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:42:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa30569009c8772a08b212de2ef4d8650e683aeabff9e03c0d8f12084b7771730
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/NLA508543607
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa30569009c8772a08b212de2ef4d8650e683aeabff9e03c0d8f12084b7771730. 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/NLA508543607.
  date published: 2026-07-08T03:22:41Z
audio: Les Contes d'Hoffmann / Act 1: "Bonjour, amis"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.665
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.309
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.283
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.36
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Les Contes d'Hoffmann / Act 4: "Charmante!"
type: MusicRecording
duration: PT2M41S
duration ms: 161693
explicit: false
by artist: Jacques Offenbach
by artist: Samuel Ramey
by artist: Cheryl Studer
by artist: Jean-Luc Chaignaud
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543646
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:59:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d0020f9c6ae7eade1d86b34bf97048a4c2cd1a6eec81091056e7b29384950d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543646
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d0020f9c6ae7eade1d86b34bf97048a4c2cd1a6eec81091056e7b29384950d8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543646.
  date published: 2026-07-08T03:53:27Z
audio: Les Contes d'Hoffmann / Act 4: "Charmante!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.635
  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: 0.592
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.484
  additional property: Acousticness
    type: PropertyValue
    value: 0.786
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.57
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.267
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.516
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 1: "Peuh! cette bière est détestable!"
type: MusicRecording
duration: PT2M14S
duration ms: 134133
explicit: false
by artist: Jacques Offenbach
by artist: Anne Sofie von Otter
by artist: Francisco Araiza
by artist: Peter Menzel
by artist: Samuel Ramey
by artist: MDR Leipzig Radio Chorus
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543609
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:46:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3dc655cc2862b28947c68443385ae0593f186a5cda96f09dfc8d6df367cecbf0
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/NLA508543609
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dc655cc2862b28947c68443385ae0593f186a5cda96f09dfc8d6df367cecbf0. 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/NLA508543609.
  date published: 2026-07-08T03:22:41Z
audio: Les Contes d'Hoffmann / Act 1: "Peuh! cette bière est détestable!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.785
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.372
  additional property: Energy
    type: PropertyValue
    value: 0.174
  additional property: Speechiness
    type: PropertyValue
    value: 0.165
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.475
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.237
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.261
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 3: "Pourtant, ô ma fiancée"
type: MusicRecording
duration: PT2M10S
duration ms: 130039
explicit: false
by artist: Jacques Offenbach
by artist: Francisco Araiza
by artist: Jessye Norman
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543632
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:40:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7cdbc99d4071106d866c1e19a4af87c10d893c99d5a42fb1fce6edb6b44b628e
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/NLA508543632
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cdbc99d4071106d866c1e19a4af87c10d893c99d5a42fb1fce6edb6b44b628e. 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/NLA508543632.
  date published: 2026-07-08T03:22:41Z
audio: Les Contes d'Hoffmann / Act 3: "Pourtant, ô ma fiancée"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.261
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.042
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.495
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Les Contes d'Hoffmann / Act 2: Entr'acte
type: MusicRecording
duration: PT1M21S
duration ms: 81333
explicit: false
by artist: Jacques Offenbach
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:09:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1551c6fc1b4c42889252b66635bf798ddf5c4aa0ac20d46bd6691548f7f8f2bb
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/NLA508543612
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1551c6fc1b4c42889252b66635bf798ddf5c4aa0ac20d46bd6691548f7f8f2bb. 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/NLA508543612.
  date published: 2026-07-08T03:20:19Z
audio: Les Contes d'Hoffmann / Act 2: Entr'acte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.53
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.541
  additional property: Energy
    type: PropertyValue
    value: 0.184
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.869
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.295
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.783
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.89
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 3: "Qu'as-tu donc?... Tu souffres?"
type: MusicRecording
duration: PT1M31S
duration ms: 91173
explicit: false
by artist: Jacques Offenbach
by artist: Francisco Araiza
by artist: Jessye Norman
by artist: Boris Martinovitch
by artist: Georges Gautier
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543634
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:50:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd83e5d30816f62bb5fb03ea15238058e9e48e44e57b4aa13d5bee8686e7f188b
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/NLA508543634
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd83e5d30816f62bb5fb03ea15238058e9e48e44e57b4aa13d5bee8686e7f188b. 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/NLA508543634.
  date published: 2026-07-08T03:22:41Z
audio: Les Contes d'Hoffmann / Act 3: "Qu'as-tu donc?... Tu souffres?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.185
  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: 0.573
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.663
  additional property: Acousticness
    type: PropertyValue
    value: 0.784
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.644
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.197
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.042
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 3: "Ne plus chanter!"
type: MusicRecording
duration: PT1M11S
duration ms: 71066
explicit: false
by artist: Jacques Offenbach
by artist: Francisco Araiza
by artist: Jessye Norman
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543636
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:28:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecc6ce7ca0380db7ee3cbf939fa809c46ce2b94f7421c564ed8702f57a149f80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543636
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecc6ce7ca0380db7ee3cbf939fa809c46ce2b94f7421c564ed8702f57a149f80. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543636.
  date published: 2026-07-08T03:53:27Z
audio: Les Contes d'Hoffmann / Act 3: "Ne plus chanter!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.389
  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: 0.437
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.796
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.262
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.296
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 3: "Tu ne chanteras plus?"
type: MusicRecording
duration: PT4M57S
duration ms: 297466
explicit: false
by artist: Jacques Offenbach
by artist: Samuel Ramey
by artist: Jessye Norman
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543637
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:42:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb871850ad2ac5ad4ef8c43866801b22a586d2f12e293e0d15fc6a057b1a86a86
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/NLA508543637
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb871850ad2ac5ad4ef8c43866801b22a586d2f12e293e0d15fc6a057b1a86a86. 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/NLA508543637.
  date published: 2026-07-08T03:22:41Z
audio: Les Contes d'Hoffmann / Act 3: "Tu ne chanteras plus?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.895
  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: 0.371
  additional property: Energy
    type: PropertyValue
    value: 0.127
  additional property: Speechiness
    type: PropertyValue
    value: 0.09
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.206
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.078
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.26
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 2: "C'est moi, Coppélius"
type: MusicRecording
duration: PT1M3S
duration ms: 63933
explicit: false
by artist: Jacques Offenbach
by artist: Anne Sofie von Otter
by artist: Samuel Ramey
by artist: Francisco Araiza
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543616
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:34:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f9b41a4243c32fccd3941f1b1941d166d03a204c1a252dbc966ad08462a9f57
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543616
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f9b41a4243c32fccd3941f1b1941d166d03a204c1a252dbc966ad08462a9f57. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543616.
  date published: 2026-07-08T03:53:27Z
audio: Les Contes d'Hoffmann / Act 2: "C'est moi, Coppélius"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.436
  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: 0.393
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.29
  additional property: Loudness (dB)
    type: PropertyValue
    value: -39.63
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 2: "Serviteur!"
type: MusicRecording
duration: PT2M46S
duration ms: 166493
explicit: false
by artist: Jacques Offenbach
by artist: Anne Sofie von Otter
by artist: Francisco Araiza
by artist: Samuel Ramey
by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508543618
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:27:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbceddb81edd3f8d94a802b35a560067619178ba2318736535ce2841dc17d10a8
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/NLA508543618
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbceddb81edd3f8d94a802b35a560067619178ba2318736535ce2841dc17d10a8. 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/NLA508543618.
  date published: 2026-07-08T03:22:41Z
audio: Les Contes d'Hoffmann / Act 2: "Serviteur!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.359
  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: 0.277
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.08
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.443
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.286
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.603
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Les Contes d'Hoffmann / Act 2: "Tout est prêt!"
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by artist: Riccardo Cassinelli
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by artist: Staatskapelle Dresden
by artist: Jeffrey Tate
by artist: Ricardo Cassinelli
in album: Offenbach: Les Contes d'Hoffmann
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: german-romanticism
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genre: french-romanticism
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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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Les Contes d'Hoffmann / Act 2: "Non, aucun hôte vraiment"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Les Contes d'Hoffmann / Act 2: "Ah! mon ami, quel accent!"
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by artist: Riccardo Cassinelli
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by artist: Georges Gautier
by artist: MDR Leipzig Radio Chorus
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by artist: Jeffrey Tate
by artist: Ricardo Cassinelli
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Les Contes d'Hoffmann / Act 2: "Ah! mon ami, quel accent!"
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Bach: Violin Concertos & Concerto for Violin and Oboe
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

Bach, JS: Concerto for Oboe and Violin in D Minor, BWV 1060R: I. Allegro
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Beethoven: Violin Concerto & Romances
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5d192e2388025d2316f52a09822e7a9a0574cfa694ffb25ec7b4c4bcad98d39. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC628700744.
    date published: 2026-07-08T03:53:27Z
  audio: Beethoven: Romance for Violin and Orchestra No. 2 in F Major, Op. 50
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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Schubert: Symphony No. 9 "The Great"
type: MusicAlbum
date published: 2021-08-06

Beethoven: Sinfonie No. 7 / Die Weihe des Hauses
type: MusicAlbum
date published: 2021-08-06

Felix Mendelssohn: Concerto in Mi Minore, Op. 64 - Sinfonia No. 3 in La Minore, Op. 56 Scozzese
type: MusicAlbum
date published: 2019-02-08

Liebermann: La Forêt
type: MusicAlbum
date published: 2014-01-01

Mozart: The Complete Symphonies
type: MusicAlbum
date published: 2013-08-02
track: Mozart: Symphony No. 7 in D Major, K. 45: I. Molto allegro
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154253
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: English Chamber Orchestra
  by artist: Jeffrey Tate
  in album: Mozart: The Complete Symphonies
    type: MusicAlbum
    date published: 2013-08-02
  genre: classical
  genre: classical-era
  isrc code: GBAYC9303064
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    type: PropertyValue
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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/GBAYC9303064
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x253eec38e45582bf00aa893824ab8d5a44aa61fb0a5cc5149567b673113108bb. 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/GBAYC9303064.
    date published: 2026-07-08T03:20:19Z
  audio: Mozart: Symphony No. 7 in D Major, K. 45: I. Molto allegro
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Mozart: Symphony No. 47 in D Major, K. 97: I. Allegro
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151973
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: English Chamber Orchestra
  by artist: Jeffrey Tate
  in album: Mozart: The Complete Symphonies
    type: MusicAlbum
    date published: 2013-08-02
  genre: classical
  genre: classical-era
  isrc code: GBAYC9303093
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957122
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303093
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:39:04Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x856d3195bc86f137619e889435142645363317af90ac57a8e2ee8d45ade8582c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303093.
    date published: 2026-07-08T03:39:04Z
  audio: Mozart: Symphony No. 47 in D Major, K. 97: I. Allegro
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Mozart: Symphony No. 1 in E-Flat Major, K. 16: II. Andante
  type: MusicRecording
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  duration ms: 289426
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: English Chamber Orchestra
  by artist: Jeffrey Tate
  in album: Mozart: The Complete Symphonies
    type: MusicAlbum
    date published: 2013-08-02
  genre: classical
  genre: classical-era
  isrc code: GBAYC9503409
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  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
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track: Mozart: Symphony No. 47 in D Major, K. 97: II. Andante
track: Mozart: Symphony No. 7 in D Major, K. 45: III. Menuetto
track: Mozart: Symphony No. 47 in D Major, K. 97: III. Menuetto
track: Mozart: Symphony No. 4 in D Major, K. 19: I. Allegro
track: Mozart: Symphony No. 47 in D Major, K. 97: IV. Presto
track: Mozart: Symphony No. 6 in F Major, K. 43: I. Allegro
track: Mozart: Symphony No. 4 in D Major, K. 19: III. Presto
track: Mozart: Symphony No. 6 in F Major, K. 43: II. Andante
track: Mozart: Symphony No. 45 in D Major, K. 95: II. Andante
track: Mozart: Symphony in F Major, K. Anh. 223: I. Allegro assai
track: Mozart: Symphony No. 6 in F Major, K. 43: III. Menuetto
track: Mozart: Symphony No. 55 in B-Flat Major, K. Anh. 214: II. Andante
track: Mozart: Symphony No. 55 in B-Flat Major, K. Anh. 214: III. Menuetto
track: Mozart: Symphony No. 5 in B-Flat Major, K. 22: III. Allegro molto
track: Mozart: Symphony in G Major, K. Anh. 221 "Alte Lambacher": II. Andante
track: Mozart: Symphony No. 8 in D Major, K. 48: II. Andante
track: Mozart: Symphony No. 43 in F Major, K. 76: I. Allegro maestoso
track: Mozart: Symphony No. 43 in F Major, K. 76: III. Menuetto
track: Mozart: Symphony No. 9 in C Major, K. 73: II. Andante
track: Mozart: Symphony No. 9 in C Major, K. 73: III. Menuetto
track: Mozart: Symphony No. 44 in D Major, K. 81: I. Allegro

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value: https://explorer.copyrightchains.com/tx/0x50c1c5640c781f173d015e9f07a899eb9ef026467ab972371af06ebccfcf0a2f

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503409

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50c1c5640c781f173d015e9f07a899eb9ef026467ab972371af06ebccfcf0a2f. 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/GBAYC9503409.
date published: 2026-07-08T03:22:41Z

Mozart: Symphony No. 1 in E-Flat Major, K. 16: II. Andante
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Mozart: Symphony No. 47 in D Major, K. 97: II. Andante
type: MusicRecording
duration: PT2M10S
duration ms: 130066
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303094
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/GBAYC9303094
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fdd9b78b19ce44a40dc06e387a325947b5ee165d255a3a609281418f5ac02c7. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303094.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Symphony No. 47 in D Major, K. 97: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: 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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Mozart: Symphony No. 7 in D Major, K. 45: III. Menuetto
type: MusicRecording
duration: PT3M11S
duration ms: 191666
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303066
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
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x865ca0457a00ba3431ca4f2963c16599e20c0cdba50196b8ddffff1f0411139a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303066.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 7 in D Major, K. 45: III. Menuetto
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  additional property: Tempo (BPM)
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  additional property: Acousticness
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Mozart: Symphony No. 47 in D Major, K. 97: III. Menuetto
type: MusicRecording
duration: PT2M6S
duration ms: 126133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303095
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9b6b5d5cbefae9b868df78db4bcb8e88da56df9e4926c0e903d2e481ff124b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303095.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 47 in D Major, K. 97: III. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 154.863
  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: 0.505
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.62
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.681
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.529
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 4 in D Major, K. 19: I. Allegro
type: MusicRecording
duration: PT2M17S
duration ms: 137480
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9503412
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:22:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a36141f87900e5ee69c13c8cf5c5444d71f02a67da6f7a7d7e482dc5706b8cc
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/GBAYC9503412
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a36141f87900e5ee69c13c8cf5c5444d71f02a67da6f7a7d7e482dc5706b8cc. 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/GBAYC9503412.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Symphony No. 4 in D Major, K. 19: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.361
  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: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.851
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.57
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.804
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 47 in D Major, K. 97: IV. Presto
type: MusicRecording
duration: PT1M32S
duration ms: 92720
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303096
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:10:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcaf0b8a67905d2d2ca4f0c94e48ff82060047dd332087b85dff2ad6927e1568d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303096
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaf0b8a67905d2d2ca4f0c94e48ff82060047dd332087b85dff2ad6927e1568d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303096.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Symphony No. 47 in D Major, K. 97: IV. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.193
  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: 0.62
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.935
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.694
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.315
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 6 in F Major, K. 43: I. Allegro
type: MusicRecording
duration: PT4M19S
duration ms: 259173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303069
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:30:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9bbcb79bb808b21e95511cc64ee257adaae282b468c40470aea21dd3c13b8cf8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303069
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bbcb79bb808b21e95511cc64ee257adaae282b468c40470aea21dd3c13b8cf8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303069.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 6 in F Major, K. 43: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.67
  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: 0.374
  additional property: Energy
    type: PropertyValue
    value: 0.057
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.913
  additional property: Liveness
    type: PropertyValue
    value: 0.065
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.492
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.079
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 4 in D Major, K. 19: III. Presto
type: MusicRecording
duration: PT2M6S
duration ms: 126480
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9503414
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:00:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x373103489a762a652ef82756843d6645566c03122fadc04b802ab7e76d1444c8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503414
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373103489a762a652ef82756843d6645566c03122fadc04b802ab7e76d1444c8. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503414.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Symphony No. 4 in D Major, K. 19: III. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.086
  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: 0.559
  additional property: Energy
    type: PropertyValue
    value: 0.158
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.873
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.743
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.909
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 6 in F Major, K. 43: II. Andante
type: MusicRecording
duration: PT3M49S
duration ms: 229546
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:08:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec26bd1cd54967c4377f3c3ca49747c8d8035f4a3dc6957b47a532583b9633ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec26bd1cd54967c4377f3c3ca49747c8d8035f4a3dc6957b47a532583b9633ba. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303070.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 6 in F Major, K. 43: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.121
  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: 0.324
  additional property: Energy
    type: PropertyValue
    value: 0.008
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.86
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -38.42
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 45 in D Major, K. 95: II. Andante
type: MusicRecording
duration: PT2M35S
duration ms: 155586
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303099
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:05:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b59cf14305f7f2f685f320a3c492f503642967cac60f838546b7ff2bb58f35e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303099
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b59cf14305f7f2f685f320a3c492f503642967cac60f838546b7ff2bb58f35e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303099.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Symphony No. 45 in D Major, K. 95: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.859
  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: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.879
  additional property: Liveness
    type: PropertyValue
    value: 0.183
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.317
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.518
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony in F Major, K. Anh. 223: I. Allegro assai
type: MusicRecording
duration: PT4M58S
duration ms: 298760
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9503416
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:17:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x92539b3452d399c45bae11c32fcef6d601faaad3b13869fb3f68c8868db72041
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/GBAYC9503416
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92539b3452d399c45bae11c32fcef6d601faaad3b13869fb3f68c8868db72041. 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/GBAYC9503416.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Symphony in F Major, K. Anh. 223: I. Allegro assai
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 154.118
  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: 0.434
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.879
  additional property: Liveness
    type: PropertyValue
    value: 0.22
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.34
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.615
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 6 in F Major, K. 43: III. Menuetto
type: MusicRecording
duration: PT2M9S
duration ms: 129506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Jeffrey Tate
by artist: English Chamber Orchestra
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303071
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:38:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc65fb72cfeae4beb8b2163ed13f5c890018013af14e72effba3f894f55f07617
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303071
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65fb72cfeae4beb8b2163ed13f5c890018013af14e72effba3f894f55f07617. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303071.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Symphony No. 6 in F Major, K. 43: III. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.656
  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: 0.479
  additional property: Energy
    type: PropertyValue
    value: 0.014
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.11
  additional property: Liveness
    type: PropertyValue
    value: 0.252
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.455
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.262
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 55 in B-Flat Major, K. Anh. 214: II. Andante
type: MusicRecording
duration: PT2M58S
duration ms: 178560
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303075
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:16:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x393295d7428157080b47eeb35f34f31ec6cd75cb0755f998dfbe94f3a87ab663
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/GBAYC9303075
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393295d7428157080b47eeb35f34f31ec6cd75cb0755f998dfbe94f3a87ab663. 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/GBAYC9303075.
  date published: 2026-07-08T03:22:41Z
audio: Mozart: Symphony No. 55 in B-Flat Major, K. Anh. 214: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.357
  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: 0.401
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.496
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.241
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.147
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 55 in B-Flat Major, K. Anh. 214: III. Menuetto
type: MusicRecording
duration: PT2M38S
duration ms: 158386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303076
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:07:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd2f994c29dadf8a25dc30fa3074b9f199763fd38e24cb9349d0f28e9412ed767
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/GBAYC9303076
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2f994c29dadf8a25dc30fa3074b9f199763fd38e24cb9349d0f28e9412ed767. 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/GBAYC9303076.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Symphony No. 55 in B-Flat Major, K. Anh. 214: III. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.093
  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: 0.432
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.123
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.492
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.405
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 5 in B-Flat Major, K. 22: III. Allegro molto
type: MusicRecording
duration: PT1M26S
duration ms: 86720
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9503422
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:18:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a4cb8fb85ffa46c53d154506e529483f4bfb374be2b456d6ffd6b31acbe637b
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/GBAYC9503422
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a4cb8fb85ffa46c53d154506e529483f4bfb374be2b456d6ffd6b31acbe637b. 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/GBAYC9503422.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Symphony No. 5 in B-Flat Major, K. 22: III. Allegro molto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.407
  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: 0.548
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.864
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.49
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.191
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony in G Major, K. Anh. 221 "Alte Lambacher": II. Andante
type: MusicRecording
duration: PT4M23S
duration ms: 263906
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9503425
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:19:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbef0e347421ed5cf253b66fc45c18673d40c9cb60201fdf84fbda34eb7ca8334
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503425
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbef0e347421ed5cf253b66fc45c18673d40c9cb60201fdf84fbda34eb7ca8334. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503425.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony in G Major, K. Anh. 221 "Alte Lambacher": II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.52
  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: 0.314
  additional property: Energy
    type: PropertyValue
    value: 0.004
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.034
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.173
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.946
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 8 in D Major, K. 48: II. Andante
type: MusicRecording
duration: PT3M6S
duration ms: 186013
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:36:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f2b459f2c69b1fc0753657137299743a3c28198351d1edf0fc82e5a677e8e81
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f2b459f2c69b1fc0753657137299743a3c28198351d1edf0fc82e5a677e8e81. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303080.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Symphony No. 8 in D Major, K. 48: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.936
  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: 0.453
  additional property: Energy
    type: PropertyValue
    value: 0.006
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.916
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.442
  additional property: Liveness
    type: PropertyValue
    value: 0.135
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.361
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.962
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 43 in F Major, K. 76: I. Allegro maestoso
type: MusicRecording
duration: PT3M14S
duration ms: 194826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9503428
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:42:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1450b4955fe32f564b664517e4f73e2255c738e40df10ad6828f14c9d77cb57
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503428
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1450b4955fe32f564b664517e4f73e2255c738e40df10ad6828f14c9d77cb57. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503428.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Symphony No. 43 in F Major, K. 76: I. Allegro maestoso
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Symphony No. 43 in F Major, K. 76: III. Menuetto
type: MusicRecording
duration: PT3M19S
duration ms: 199866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9503430
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503430
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7845b3146aeff373cfa41dd145a697b61e6979168b32813839cf737f87883921. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503430.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 43 in F Major, K. 76: III. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Valence (Positivity)
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Mozart: Symphony No. 9 in C Major, K. 73: II. Andante
type: MusicRecording
duration: PT2M44S
duration ms: 164200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303085
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/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303085
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x346b244db82bcbbca4ceb181543d6f7a23278d5a283abdfbb66b5ed419153642. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303085.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Symphony No. 9 in C Major, K. 73: II. Andante
  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
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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  additional property: Mode Name
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Mozart: Symphony No. 9 in C Major, K. 73: III. Menuetto
type: MusicRecording
duration: PT2M29S
duration ms: 149626
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9303086
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
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303086
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8bd3b93d175f97e58d3080483a4f275cbbfb11ea52c513767bf29680c51e08c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303086.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 9 in C Major, K. 73: III. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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Mozart: Symphony No. 44 in D Major, K. 81: I. Allegro
type: MusicRecording
duration: PT2M58S
duration ms: 178080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Jeffrey Tate
by artist: English Chamber Orchestra
in album: Mozart: The Complete Symphonies
  type: MusicAlbum
  date published: 2013-08-02
genre: classical
genre: classical-era
isrc code: GBAYC9503433
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/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503433
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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99463eb60e379bdaca3fa362003f6bd947922b8d4dd2592561e67ef8066b8cba. 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/GBAYC9503433.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Symphony No. 44 in D Major, K. 81: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Stravinsky: Apollon musagète - Wagner: Szenen aus Götterdämmerung (Divine)
type: MusicAlbum
date published: 2013-02-01

Mozart: Concert and Operatic Arias
type: MusicAlbum
date published: 2007-05-25
track: Mozart: Le nozze di Figaro, K. 492, Act 3: "E Susanna non vien! ... Dove sono" (Countess)
  type: MusicRecording
  duration: PT6M27S
  duration ms: 387640
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Barbara Hendricks
  by artist: Jeffrey Tate
  by artist: English Chamber Orchestra
  in album: Mozart: Concert and Operatic Arias
    type: MusicAlbum
    date published: 2007-05-25
  genre: classical
  genre: classical-era
  isrc code: FRZ118400035
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4a6eb2f600b1840ed41114b9c79e4c459ae6cd9c14de85f184d35c66a7ffe2. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118400035.
    date published: 2026-07-08T08:56:20Z
  audio: Mozart: Le nozze di Figaro, K. 492, Act 3: "E Susanna non vien! ... Dove sono" (Countess)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: 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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Haydn: Symphony Nos 100 & 103
type: MusicAlbum
date published: 2007-01-08
track: Haydn: Symphony No. 100 in G Major, Hob. I:100 "Military": I. (a) Adagio
track: Haydn: Symphony No. 100 in G Major, Hob. I:100 "Military": I. (b) Allegro
track: Haydn: Symphony No. 100 in G Major, Hob. I:100 "Military": II. Allegretto
track: Haydn: Symphony No. 103 in E-Flat Major, Hob. I:103 "Drumroll": II. Andante più tosto allegretto
  type: MusicRecording
  duration: PT9M30S
  duration ms: 570733
  explicit: false
  by artist: Joseph Haydn
  by artist: English Chamber Orchestra
  by artist: Jeffrey Tate
  in album: Haydn: Symphony Nos 100 & 103
    type: MusicAlbum
    date published: 2007-01-08
  isrc code: GBAYC8602014
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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/GBAYC8602014
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x090d120cb3cd139c246e821aff3b6ce1c62c247e699441b32d4d05b618ba61f1. 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/GBAYC8602014.
    date published: 2026-07-08T03:20:19Z
  audio: Haydn: Symphony No. 103 in E-Flat Major, Hob. I:103 "Drumroll": II. Andante più tosto allegretto
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Haydn: Symphony No. 103 in E-Flat Major, Hob. I:103 "Drumroll": III. Menuet - Trio
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track: Haydn: Symphony No. 100 in G Major, Hob. I:100 "Military": III. Menuetto. Moderato
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track: Piano Concerto No. 11 in F major, K.413: 1. Allegro
track: Piano Concerto No. 17 in G major, K.453: 1. Allegro
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track: Piano Concerto No. 5 in D Major, K. 175: II. Andante ma un poco adagio
track: Piano Concerto No. 19 in F major, K.459: 3. Allegro assai
track: Piano Concerto No. 5 in D Major, K. 175: III. Allegro
track: Piano Concerto No. 11 in F major, K.413: 3. Tempo di menuetto
track: Piano Concerto No. 6 in B-Flat Major, K. 238: I. Allegro aperto
track: Piano Concerto No. 12 in A major, K.414: 1. Allegro
track: Piano Concerto No. 14 in E flat major, K.449: 1. Allegro vivace
track: Piano Concerto No. 12 in A major, K.414: 2. Andante
track: Piano Concerto No. 14 in E flat major, K.449: 2. Andantino
track: Rondo in D Major, K. 382: II. Adagio
track: Piano Concerto No. 21 in C Major, K. 467: 2. Andante
track: Piano Concerto No. 22 in E-Flat Major, K. 482: III. Allegro - Andante cantabile - Tempo I
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track: Piano Concerto No. 21 in C Major, K. 467: 3. Allegro vivace assai
track: Piano Concerto No. 8 in C Major, K. 246 "Lützow": 1. Allegro aperto
track: Piano Concerto No. 13 in C major, K.415: 1. Allegro
track: Piano Concerto No. 23 in A Major, K. 488: II. Adagio
track: Piano Concerto No. 15 in B flat major, K.450: 2. (Andante)
track: Piano Concerto No. 18 in B flat major, K.456: 2. Andante un poco sostenuto
track: Piano Concerto No. 8 in C Major, K. 246 "Lützow": 3. Rondeau. Tempo di menuetto

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Piano Concerto No. 5 in D Major, K. 175: III. Allegro
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Piano Concerto No. 11 in F major, K.413: 3. Tempo di menuetto
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Piano Concerto No. 6 in B-Flat Major, K. 238: I. Allegro aperto
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Piano Concerto No. 12 in A major, K.414: 1. Allegro
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Piano Concerto No. 14 in E flat major, K.449: 1. Allegro vivace
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Piano Concerto No. 12 in A major, K.414: 2. Andante
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Piano Concerto No. 14 in E flat major, K.449: 2. Andantino
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Rondo in D Major, K. 382: II. Adagio
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Piano Concerto No. 21 in C Major, K. 467: 2. Andante
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Piano Concerto No. 22 in E-Flat Major, K. 482: III. Allegro - Andante cantabile - Tempo I
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Piano Concerto No. 6 in B-Flat Major, K. 238: III. Rondeau. Allegro
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Piano Concerto No. 21 in C Major, K. 467: 3. Allegro vivace assai
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Piano Concerto No. 8 in C Major, K. 246 "Lützow": 1. Allegro aperto
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Piano Concerto No. 13 in C major, K.415: 1. Allegro
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x856a6239b1de984eb22ea7775cf2e84ebea33506ef6ca8b32db294386ee5b0a5. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/NLA508644801.
  date published: 2026-07-06T06:56:49Z
audio: Piano Concerto No. 13 in C major, K.415: 1. Allegro
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Piano Concerto No. 15 in B flat major, K.450: 2. (Andante)
type: MusicRecording
duration: PT4M56S
duration ms: 296626
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mitsuko Uchida
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: Piano Concertos
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  date published: 2006-01-01
genre: classical
genre: classical-era
isrc code: NLA508900902
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-07T16:43:21Z
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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f83911f372e86c5b0e30543a71c4ab1b22c599019879d10a2bd2d1d3f10d99. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/NLA508900902.
  date published: 2026-07-07T16:43:21Z
audio: Piano Concerto No. 15 in B flat major, K.450: 2. (Andante)
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Piano Concerto No. 18 in B flat major, K.456: 2. Andante un poco sostenuto
type: MusicRecording
duration: PT10M31S
duration ms: 631813
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mitsuko Uchida
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: Piano Concertos
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  date published: 2006-01-01
genre: classical
genre: classical-era
isrc code: NLA508722602
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a08686d98ce7e73ae1f8bc359ed799602561593a5665fe7801329aea8ebbd34. 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/NLA508722602.
  date published: 2026-06-13T15:41:10Z
audio: Piano Concerto No. 18 in B flat major, K.456: 2. Andante un poco sostenuto
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Piano Concerto No. 8 in C Major, K. 246 "Lützow": 3. Rondeau. Tempo di menuetto
type: MusicRecording
duration: PT7M38S
duration ms: 458933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mitsuko Uchida
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: Mozart: Piano Concertos
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  date published: 2006-01-01
genre: classical
genre: classical-era
isrc code: NLA508900806
additional property: CopyrightID
additional property: CopyrightStatus
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99753336d4937a7c1f3673f6d04b94c71f3bda0d6532c8b0f62647fb8c79391c. Chain 2 (Bitcoin): anchored in block 957012 (2026-07-21T21:39:31Z), 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/NLA508900806.
  date published: 2026-07-21T21:39:31Z
audio: Piano Concerto No. 8 in C Major, K. 246 "Lützow": 3. Rondeau. Tempo di menuetto
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Grieg: Peer Gynt - Incidental Music
type: MusicAlbum
date published: 2005-11-28
track: Peer Gynt: Prelude (Morning)
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230826
  explicit: false
  by artist: Jeffrey Tate
  by artist: Berliner Philharmoniker
  in album: Grieg: Peer Gynt - Incidental Music
    type: MusicAlbum
    date published: 2005-11-28
  genre: classical
  genre: opera
  isrc code: GBAYC9000068
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    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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6519245a32e06c53ffcf4e488fff2845904e4b2167ea375c18c9eddc227d09f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000068.
    date published: 2026-07-08T08:56:20Z
  audio: Peer Gynt: Prelude (Morning)
    type: AudioObject
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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R. Strauss: Elektra Op. 58 (Live Recording, Geneva 1990)
type: MusicAlbum
date published: 2005-01-01

Elgar:Symphonies 1 & 2, etc
type: MusicAlbum
date published: 2003-10-06
track: Elgar: Symphony No. 1 in A-Flat Major, Op. 55: I. Andante. Nobilmente e semplice - Allegro
  type: MusicRecording
  duration: PT20M39S
  duration ms: 1239226
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  by artist: Edward Elgar
  by artist: London Symphony Orchestra
  by artist: Jeffrey Tate
  in album: Elgar:Symphonies 1 & 2, etc
    type: MusicAlbum
    date published: 2003-10-06
  genre: classical
  genre: late-romantic-era
  genre: british-modern-classical
  genre: victorian-britain
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d891a6b6fb9f9b027b2266838083bf977db9d81bb9fc170f82d3816af7c6763. 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/GBAYD9100015.
    date published: 2026-07-08T03:22:41Z
  audio: Elgar: Symphony No. 1 in A-Flat Major, Op. 55: I. Andante. Nobilmente e semplice - Allegro
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      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.042
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.97
    additional property: Key Name
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Mozart: Syms 36,38,40,41
type: MusicAlbum
date published: 2003-03-03
track: MOZART: SYMPHONY NO. 40 IN G MINOR, K.550: I. MOLTO ALLEGRO
track: MOZART: SYMPHONY NO. 36 IN C, K.425 (LINZ): III. MENUETTO AND TRIO
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  duration: PT3M33S
  duration ms: 213106
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  by artist: Jeffrey Tate
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  genre: classical
  genre: opera
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  subject of: OpenTimestamps Proof of Existence
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track: MOZART: SYMPHONY NO. 41 IN C, K.551 (JUPITER): III. MENUETTO (ALLEGRETTO)
track: MOZART: SYMPHONY NO. 41 IN C, K.551 (JUPITER): IV. FINALE (MOLTO ALLEGRO)

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OTSVerificationAPI
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7cbff0e8643a4f32084d39083546f0e80a860183d4179c4b8f92abd44a3fd00. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USEDD0263842.
date published: 2026-07-08T03:53:27Z

MOZART: SYMPHONY NO. 38 IN D, K.504 (PRAGUE): II. ANDANTE
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MOZART: SYMPHONY NO. 41 IN C, K.551 (JUPITER): III. MENUETTO (ALLEGRETTO)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: MOZART: SYMPHONY NO. 41 IN C, K.551 (JUPITER): III. MENUETTO (ALLEGRETTO)
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MOZART: SYMPHONY NO. 41 IN C, K.551 (JUPITER): IV. FINALE (MOLTO ALLEGRO)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: MOZART: SYMPHONY NO. 41 IN C, K.551 (JUPITER): IV. FINALE (MOLTO ALLEGRO)
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Live in Paris 1963 & 1976
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Various: Daydreams - Music for Reflective Moments
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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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Grieg - Peer Gynt (Selections)
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  by artist: Tutte Lemov
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T14:04:01Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
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  subject of: OpenTimestamps Proof of Existence
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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

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

Grieg: Peer Gynt, Op. 23, Act 5: No. 26, Solveig's Cradle Song
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Beethoven - Violin Concerto in D Major/2 Romances
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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Renée Fleming - The Beautiful Voice
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track: Louise / Act 3: "Depuis le jour"
track: Faust / Act 3: "Ah! Je ris de me voir"
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T16:07:00Z
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track: Ciganské melodie, Op. 55, B. 104: 4. Songs My Mother Taught Me
track: Martha / Act 2: Last Rose of Summer
track: La rondine, SC 83 / Act I: "Chi il bel sogno di Doretta"
track: Die tote Stadt, Act I: Glück, das mir verblieb (Mariettalied)
track: Carmina Burana / 3. Cour d'amours: "In trutina"
track: Vier Lieder, Op. 27, TrV 170: 4. Morgen
track: Fourteen Songs, Op. 34: 14. Vocalise
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  subject of: OpenTimestamps Proof of Existence
  audio: Fourteen Songs, Op. 34: 14. Vocalise
track: Die Fledermaus / Act 2: Nr.10 Csárdás: "Klänge der Heimat"
track: Die lustige Witwe / Act 2: Vilja-Lied
track: Chants d'Auvergne: 2. Bailero

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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

Fourteen Songs, Op. 34: 14. Vocalise
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Chants d'Auvergne: 2. Bailero
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Mendelssohn: A Midsummer Night's Dream
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Mozart: Piano Concerto No. 17; Quintet For Piano & Wind
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Mozart: Piano Concertos Nos. 8 & 9
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Offenbach: Hoffmanns Erzählungen (QS)
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R.Strauss:Orchestral Operatic Music
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Haydn: Symphony No.96 in D 'Miracle'
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    date published: 2026-07-08T03:53:27Z
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Haydn: Symphonies 94,95 & 97
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Berg: Lulu
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Mozart: Symphony No. 41 in C Major, K. 551 "Jupiter"
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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: Piano Concerto No. 5 in D Major, K. 175: II. Andante ma un poco adagio
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Piano Concerto No. 5 in D Major, K. 175: III. Allegro
track: Rondo in D Major, K. 382: II. Adagio
track: Piano Concerto No. 6 in B-Flat Major, K. 238: I. Allegro aperto
track: Piano Concerto No. 6 in B-Flat Major, K. 238: III. Rondeau. Allegro

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

Piano Concerto No. 5 in D Major, K. 175: III. Allegro
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Rondo in D Major, K. 382: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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audio: Rondo in D Major, K. 382: II. Adagio
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Piano Concerto No. 6 in B-Flat Major, K. 238: I. Allegro aperto
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subject of: OpenTimestamps Proof of Existence
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Piano Concerto No. 6 in B-Flat Major, K. 238: III. Rondeau. Allegro
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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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Mozart: Piano Concertos Nos. 15 & 16
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    date published: 2026-07-08T03:53:27Z
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track: Piano Concerto No. 16 in D major, K.451: 3. Rondeau (Allegro di molto)

Humperdinck: Hänsel und Gretel
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date published: 1990-09-24
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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: Hänsel und Gretel, ERSTES BILD/ACT 1/PREMIER ACTE, Erstes Szene/Scene 1/Première Scène: Brüderchen, komm tanz' mit mir - Tanzduett (Gretel/Hänsel)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: Hänsel und Gretel, Act II: Abends, will ich schlafen gehn (Hänsel/Gretel)

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

Hänsel und Gretel, DRITTES BILD/ACT 3/TROISIEME ACTE, Lezte Szene/Final Scene/Scène Finale: Vater! Mutter! (Hänsel/Gretel/Mutter/Vater/Alle)
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Hänsel und Gretel, Act II: Abends, will ich schlafen gehn (Hänsel/Gretel)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Hänsel und Gretel, Act II: Abends, will ich schlafen gehn (Hänsel/Gretel)
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Mozart: Piano Concertos Nos. 11 & 12
type: MusicAlbum
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: Piano Concerto No. 11 in F major, K.413: 3. Tempo di menuetto
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track: Piano Concerto No. 12 in A major, K.414: 1. Allegro
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  subject of: OpenTimestamps Proof of Existence
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3283cde39f17ec938dfc637bf09720dc959245fd1cd096ba03f22934f1b469ed. 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/NLA508722305.
date published: 2026-07-08T03:22:41Z

Piano Concerto No. 12 in A major, K.414: 2. Andante
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additional property: Tempo (BPM)
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additional property: Valence (Positivity)
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Mozart: Piano Concertos Nos. 18 & 19
type: MusicAlbum
date published: 1989-11-01
track: Piano Concerto No. 18 in B flat major, K.456: 2. Andante un poco sostenuto
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  by artist: Mitsuko Uchida
  by artist: English Chamber Orchestra
  by artist: Jeffrey Tate
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Piano Concerto No. 18 in B flat major, K.456: 2. Andante un poco sostenuto
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track: Piano Concerto No. 19 in F major, K.459: 3. Allegro assai
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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Mozart: Piano Concertos Nos. 13 & 14
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date published: 1989-03-01
track: Piano Concerto No. 13 in C major, K.415: 1. Allegro
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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Mozart: Piano Concertos Nos.24 & 25
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Wagner: Faust & Columbus Overtures, Meistersinger Prelude, Parsifal Prelude, Tristan und Isolde exc.
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Schoenberg: Transfigured Night, Op. 4 & Chamber Symphony No. 2, Op. 38
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Haydn: Symphony Nos 99 & 101
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    date published: 2026-07-08T08:56:20Z
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Morgenstimmung - Peer Gynt
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Chants d'Auvergne: 2. Bailero
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audio: Chants d'Auvergne: 2. Bailero
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In der Halle des Bergkönigs - Peer Gynt
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Hochzeitsmarsch
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