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  additional property: Energy
    type: PropertyValue
    value: 0.017
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.289
  additional property: Liveness
    type: PropertyValue
    value: 0.193
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.617
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 104 in D Major, Hob. I:104 "London": IV. Finale: Spiritoso
type: MusicRecording
duration: PT6M51S
duration ms: 411760
explicit: false
by artist: Joseph Haydn
by artist: Capella Istropolitana
by artist: Barry Wordsworth
in album: Haydn: Symphony No. 104 in D Major, Hob. I:104 "London"
  type: MusicAlbum
  date published: 2015-06-01
isrc code: HKI199254212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T07:32:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14ca0da9e56217943c50ae02228cc87cad9b41da759a5c267f9978b67978bfd4
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/HKI199254212
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 0x14ca0da9e56217943c50ae02228cc87cad9b41da759a5c267f9978b67978bfd4. 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/HKI199254212.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 104 in D Major, Hob. I:104 "London": IV. Finale: Spiritoso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.264
  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: 0.457
  additional property: Energy
    type: PropertyValue
    value: 0.229
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.885
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.76
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.301
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.665
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Phantom Of The Opera: Music Of The Night
type: MusicRecording
duration: PT4M13S
duration ms: 253133
explicit: false
by artist: Andrew Lloyd Webber
by artist: Julian Lloyd Webber
by artist: Royal Philharmonic Orchestra
by artist: Barry Wordsworth
in album: Julian Lloyd Webber plays Andrew Lloyd Webber
  type: MusicAlbum
  date published: 2001-01-01
popularity: 11
genre: musicals
isrc code: NLA508906407
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T19:02:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf236c4c78b0b95e053ef8e45fb8512912fc89d305b7206db69911975e991291
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/NLA508906407
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 0xaf236c4c78b0b95e053ef8e45fb8512912fc89d305b7206db69911975e991291. 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/NLA508906407.
  date published: 2026-07-02T11:38:34Z
audio: The Phantom Of The Opera: Music Of The Night
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.986
  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: 0.098
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.917
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.713
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cats: Memory
type: MusicRecording
duration: PT4M26S
duration ms: 266733
explicit: false
by artist: Andrew Lloyd Webber
by artist: Julian Lloyd Webber
by artist: David Cullen
by artist: Royal Philharmonic Orchestra
by artist: Barry Wordsworth
in album: Julian Lloyd Webber plays Andrew Lloyd Webber
  type: MusicAlbum
  date published: 2001-01-01
popularity: 9
genre: musicals
isrc code: NLA508906404
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T22:16:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb159f3ff84373b16473e0b2a660665400057802ec883588f1de5dcf182d391e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906404
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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 0xb159f3ff84373b16473e0b2a660665400057802ec883588f1de5dcf182d391e1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906404.
  date published: 2026-07-02T05:09:12Z
audio: Cats: Memory
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.419
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.086
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.759
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.863
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Evita: Don't Cry for Me Argentina
type: MusicRecording
duration: PT4M34S
duration ms: 274133
explicit: false
by artist: Andrew Lloyd Webber
by artist: Julian Lloyd Webber
by artist: David Cullen
by artist: Royal Philharmonic Orchestra
by artist: Barry Wordsworth
in album: Julian Lloyd Webber plays Andrew Lloyd Webber
  type: MusicAlbum
  date published: 2001-01-01
popularity: 9
genre: musicals
isrc code: NLA508906409
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T00:51:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74937af3c11e7ac94d164f43c0fcca57ef460f8e74a7da48f866b778ceaa3a65
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906409
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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: 956856
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-06T01:25:57+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 0x74937af3c11e7ac94d164f43c0fcca57ef460f8e74a7da48f866b778ceaa3a65. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906409.
  date published: 2026-07-06T01:25:57Z
audio: Evita: Don't Cry for Me Argentina
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.864
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.125
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.903
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.901
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Phantom of the Opera: All I Ask of You
type: MusicRecording
duration: PT5M58S
duration ms: 358640
explicit: false
by artist: Andrew Lloyd Webber
by artist: Julian Lloyd Webber
by artist: Royal Philharmonic Orchestra
by artist: Barry Wordsworth
in album: Julian Lloyd Webber plays Andrew Lloyd Webber
  type: MusicAlbum
  date published: 2001-01-01
popularity: 9
genre: musicals
isrc code: NLA508906411
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T22:16:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d16ab186346c72e850062fb0a5605cffd9da5a6ff6b64bdc1fee0e6e8955530
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906411
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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 0x9d16ab186346c72e850062fb0a5605cffd9da5a6ff6b64bdc1fee0e6e8955530. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906411.
  date published: 2026-07-02T05:09:12Z
audio: The Phantom of the Opera: All I Ask of You
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.485
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.179
  additional property: Energy
    type: PropertyValue
    value: 0.222
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.821
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.548
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Variations: Variations I-IV
type: MusicRecording
duration: PT3M9S
duration ms: 189626
explicit: false
by artist: Andrew Lloyd Webber
by artist: Julian Lloyd Webber
by artist: Rod Argent
by artist: Jon Hiseman
by artist: Paul Keogh
by artist: John Mole
by artist: Barbara Thompson
by artist: Royal Philharmonic Orchestra
by artist: Barry Wordsworth
in album: Julian Lloyd Webber plays Andrew Lloyd Webber
  type: MusicAlbum
  date published: 2001-01-01
popularity: 12
genre: musicals
isrc code: NLA508906403
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:48:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4af424bbcbf8868b3ed8b7f8591567d45ec9d068315a1ec1ee90432a3c11191d
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/NLA508906403
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 0x4af424bbcbf8868b3ed8b7f8591567d45ec9d068315a1ec1ee90432a3c11191d. 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/NLA508906403.
  date published: 2026-07-02T03:55:08Z
audio: Variations: Variations I-IV
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.053
  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: 0.743
  additional property: Energy
    type: PropertyValue
    value: 0.457
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.307
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.318
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.596
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.334
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Divertimento in F Major, "Die musikalische Schlittenfahrt" (The Musical Sleigh-ride)
type: MusicRecording
duration: PT3M12S
duration ms: 192826
explicit: false
by artist: Philip Lane
by artist: Leopold Mozart
by artist: BBC Concert Orchestra
by artist: Barry Wordsworth
in album: The Night Before Christmas Narrated by Stephen Fry
  type: MusicAlbum
  date published: 2006-11-01
popularity: 14
isrc code: HKI190651601
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T17:22:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba22bca5c40b6b8726189bc3d34061ab7efd12343f074923418e5a683145a0f7
additional property: OTSHash
additional property: OTSBitcoinBlock
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audio: Divertimento in F Major, "Die musikalische Schlittenfahrt" (The Musical Sleigh-ride)
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Cello Sonata No. 3 in A Major, Op. 69: Iii. Adagio cantabile
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Septet in E-flat Major, Op. 20: Ii. Adagio cantabile
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subject of: OpenTimestamps Proof of Existence
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audio: Septet in E-flat Major, Op. 20: Ii. Adagio cantabile
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Piano Sonata No. 14 in C-sharp Minor, Op. 27, No. 2, "moonlight": I. Adagio sostenuto
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subject of: OpenTimestamps Proof of Existence
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audio: Piano Sonata No. 14 in C-sharp Minor, Op. 27, No. 2, "moonlight": I. Adagio sostenuto
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Mozart For Inspiration
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Mozart For Sleep
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  subject of: OpenTimestamps Proof of Existence
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track: Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
track: Piano Concerto No. 6 in B-Flat Major, K. 238: II. Andante un poco adagio
track: String Quartet No. 20 in D Major, K. 499, "hoffmeister": Iii. Adagio
track: Piano Sonata No. 17 in B-Flat Major, K. 570: II. Adagio
track: Symphony No. 39 in E-Flat Major, K. 543: II. Andante con moto
track: Così fan tutte, K. 588, Act I Scene 2: Terzet - Soave sia il vento
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OpenTimestamps Proof of Existence
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Symphony No. 40 in G Minor, K. 550: II. Andante
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Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
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Piano Concerto No. 6 in B-Flat Major, K. 238: II. Andante un poco adagio
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String Quartet No. 20 in D Major, K. 499, "hoffmeister": Iii. Adagio
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Piano Sonata No. 17 in B-Flat Major, K. 570: II. Adagio
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Symphony No. 39 in E-Flat Major, K. 543: II. Andante con moto
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Così fan tutte, K. 588, Act I Scene 2: Terzet - Soave sia il vento
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Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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audio: Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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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: Clarinet Concerto in A Major, K. 622: Ii. Adagio
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track: String Quartet No. 15 in D Minor, K. 421: Ii. Andante
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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
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  subject of: OpenTimestamps Proof of Existence
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track: Concerto for Flute and Harp in C Major, K. 299: Ii. Andantino
track: Horn Concerto No. 2 in E-flat Major, K. 417: Ii. Andante
track: String Quartet No. 12 in B-flat Major, K. 172: Ii. Adagio
track: Serenade No. 9 in D Major, K. 320, "posthorn": Andantino
track: Symphony No. 40 in G Minor, K. 550: Ii. Andante
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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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce0e719cfca95da0ebc40d6ac033333a217864965629cf43f4518b091a2acad0. 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/HKI199274702.
date published: 2026-07-08T08:56:20Z

Serenade No. 13 in G Major, K. 525, "eine kleine Nachtmusik": Ii. Romanze: Andante
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Concerto for Flute and Harp in C Major, K. 299: Ii. Andantino
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto for Flute and Harp in C Major, K. 299: Ii. Andantino
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Horn Concerto No. 2 in E-flat Major, K. 417: Ii. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Horn Concerto No. 2 in E-flat Major, K. 417: Ii. Andante
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  date published: 2026-07-08T08:56:20Z
audio: String Quartet No. 12 in B-flat Major, K. 172: Ii. Adagio
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Serenade No. 9 in D Major, K. 320, "posthorn": Andantino
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by artist: Hans Gansch
by artist: Capella Istropolitana
by artist: Martin Turnovsky
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x009f2ec5318acd67f2c1e254531d6d89c94c5966b2010fbac3dd53a56eaff4a1. 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/HKI199273505.
  date published: 2026-07-08T03:20:19Z
audio: Serenade No. 9 in D Major, K. 320, "posthorn": Andantino
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Symphony No. 40 in G Minor, K. 550: Ii. Andante
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duration: PT7M45S
duration ms: 465000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Capella Istropolitana
by artist: Barry Wordsworth
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 40 in G Minor, K. 550: Ii. Andante
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Piano Concerto No. 5 in D Major, K. 175: Ii. Andante ma poco adagio
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by artist: Concentus Hungaricus
by artist: András Ligeti
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Piano Concerto No. 5 in D Major, K. 175: Ii. Andante ma poco adagio
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Piano Concerto No. 25 in C Major, K. 503: Ii. Andante
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by artist: Concentus Hungaricus
by artist: Matyas Antal
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Piano Concerto No. 25 in C Major, K. 503: Ii. Andante
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Symphony No. 14 in A Major, K. 114: Ii. Andante
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duration: PT4M5S
duration ms: 245533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Northern Chamber Orchestra
by artist: Nicholas Ward
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genre: classical
genre: classical-era
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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: 2026-07-08T03:20:19Z
audio: Symphony No. 14 in A Major, K. 114: Ii. Andante
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String Quartet No. 20 in D Major, K. 499, "hoffmeister": Iii. Adagio
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by artist: Wolfgang Amadeus Mozart
by artist: Eder Quartet
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genre: classical
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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: 2026-07-08T03:20:19Z
audio: String Quartet No. 20 in D Major, K. 499, "hoffmeister": Iii. Adagio
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Horn Concerto No. 4 in E-flat Major, K. 495: Ii. Romance: Andante cantabile
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by artist: Amadeus Chamber Orchestra of Polish Radio
by artist: Agnieszka Duczmal
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genre: classical
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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: Horn Concerto No. 4 in E-flat Major, K. 495: Ii. Romance: Andante cantabile
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Vesperae solennes de Confessore, K. 339: V. Laudate Dominum
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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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A Child's Christmas
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Mozart For Study
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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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    date published: 2026-07-08T03:53:27Z
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track: Symphony No. 40 in G Minor, K. 550: Ii. Andante
track: Piano Sonata No. 12 in F Major, K. 332: Ii. Adagio
track: Concerto for Flute and Harp in C Major, K. 299: Ii. Andantino
track: Violin Sonata No. 17 in C Major, K. 296: Ii. Andante sostenuto
track: Horn Concerto No. 3 in E-flat Major, K. 447: Ii. Romance: Larghetto

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

Piano Concerto No. 23 in A Major, K. 488: Ii. Adagio
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Symphony No. 40 in G Minor, K. 550: Ii. Andante
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subject of: OpenTimestamps Proof of Existence
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audio: Symphony No. 40 in G Minor, K. 550: Ii. Andante
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Piano Sonata No. 12 in F Major, K. 332: Ii. Adagio
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subject of: OpenTimestamps Proof of Existence
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audio: Piano Sonata No. 12 in F Major, K. 332: Ii. Adagio
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Concerto for Flute and Harp in C Major, K. 299: Ii. Andantino
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Horn Concerto No. 3 in E-flat Major, K. 447: Ii. Romance: Larghetto
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Mozart For Meditation
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Peaceful Mozart
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Milestones of Legends Royal Conductors, Vol. 10
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Relaxing Beethoven
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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
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date published: 2026-07-08T03:39:04Z

Violin Sonata No. 5 in F Major, Op. 24, "spring": Ii. Adagio molto espressivo
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: Clarinet Concerto in A major, K. 622: II. 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
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track: Symphony No. 40 in G Minor, K. 550: II. Andante
track: Concerto for Flute & Harp in C Major, K. 299: II. Andantino
track: Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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Symphony No. 40 in G Minor, K. 550: II. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 40 in G Minor, K. 550: II. Andante
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Concerto for Flute & Harp in C Major, K. 299: II. Andantino
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto for Flute & Harp in C Major, K. 299: II. Andantino
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Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
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subject of: OpenTimestamps Proof of Existence
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audio: Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
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by artist: Jenő Jandó
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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
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Here Come the Classics, Vol. 12: The Glory of Vienna
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I, Clara: Clara Schumann, A Life In Music
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Elgar: Orchestral Songs
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Ecce sacerdos magnus
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British Celebration 2
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British Concertante
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-21T17:13:18Z
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Beethoven: The Piano Concertos
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Slavonic Festival
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Film Music Total Immersion
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Royal Ballet Gems: The Two Pigeons; Dante Sonata
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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
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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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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

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The Two Pigeons Act 2
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Miklos Rozsa: Cello Concerto; Sinfonia Concertante
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Elgar: "Enigma" Variations; Nursery Suite; Introduction and Allegro for Strings
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Haydn: Symphony No. 104 in D Major, Hob. I:104 "London"
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Bryan Kelly: Orchestral Music
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Film Music from the BBC Concert Orchestra Conducted by Barry Wordsworth
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Yoon-Hee Kim plays Khachaturian and Tchaikovsky Violin Concertos
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Korsakov, Vol. 2
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Barry Wordsworth Conducts Elgar
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Tchaikovsky: The Sleeping Beauty
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Elgar: Enigma Variations; In The South; Introduction & Allegro For Strings
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Ludwig van Beethoven, The Consecration Of The House, Op. 124
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Ludwig van Beethoven, Symphony No. 1 In C, Op. 21
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Spratley, P.: Sinfonietta / Clarinet Concertino, "Byard's Leap" / Recorder Concertino, "A Gallery of Cats" / Suite
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Scarborough Fair - Songs From The British Isles
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  subject of: OpenTimestamps Proof of Existence
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track: She Moved Through The Fair
track: Ae Fond Kiss

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

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

Marwnad yr Ehedydd
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She Moved Through The Fair
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by artist: Bryn Terfel
by artist: Sharon Corr
by artist: London Symphony Orchestra
by artist: Barry Wordsworth
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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: She Moved Through The Fair
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Ae Fond Kiss
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by artist: London Symphony Orchestra
by artist: Barry Wordsworth
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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: Ae Fond Kiss
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Maconchy: Symphony for Double String Orchestra - Serenata Concertante
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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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Jacob: Symphonies Nos. 1 & 2
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Box of Delights: British Light Music Gems
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Benjamin: Overture to an Italian Comedy - Cotillon - North American Square Dance Suite - Symphony
type: MusicAlbum
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Mozart: Symphonies Nos. 27, 36 and 40
type: MusicAlbum
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101 Classics - The Best Loved Classical Melodies
type: MusicAlbum
date published: 1998-12-01
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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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track: Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso (Opening)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T16:07:00Z
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track: Emperor Waltz, Op. 437: Kaiser Walzer (Emperor Waltz), Op. 437
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  subject of: OpenTimestamps Proof of Existence
  audio: Emperor Waltz, Op. 437: Kaiser Walzer (Emperor Waltz), Op. 437
track: The Danube Waves: Valurile Dunarii (The Danube Waves)
track: Serenade for Strings in C Major, Op. 48: II. Walzer
track: Les Patineurs, Op. 183, "The Skater's Waltz"
track: Sobre las olas (Over the Waves)
track: The Nutcracker Suite, Op. 71a: VIII. Waltz of the Flowers

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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe3cf3d98fb8cedf7081cd6c2baa223ac7a75c4dfe2757d2046c0032766d09e8. 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/HKI199245302.
date published: 2026-07-08T03:20:19Z

Emperor Waltz, Op. 437: Kaiser Walzer (Emperor Waltz), Op. 437
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The Danube Waves: Valurile Dunarii (The Danube Waves)
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duration: PT5M31S
duration ms: 331000
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by artist: Ion Ivanovici
by artist: Budapest Strauss Ensemble
by artist: Istvan Bogar
in album: 101 Classics - The Best Loved Classical Melodies
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popularity: 2
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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 0x5bd970366a1bd2a195551c04fc4cbffe0a5cc2f081656bccc87160b17076edfa. 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/HKI199245303.
  date published: 2026-07-08T03:20:19Z
audio: The Danube Waves: Valurile Dunarii (The Danube Waves)
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Serenade for Strings in C Major, Op. 48: II. Walzer
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duration: PT3M53S
duration ms: 233000
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by artist: Pyotr Ilyich Tchaikovsky
by artist: Vienna Chamber Orchestra
by artist: Philippe Entremont
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popularity: 1
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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 0x9c01325e5b2bd199eaf5d18e9bf68007b9d4685dc03661319f47c9584da94c28. 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/HKI199632102.
  date published: 2026-07-08T03:53:27Z
audio: Serenade for Strings in C Major, Op. 48: II. Walzer
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Les Patineurs, Op. 183, "The Skater's Waltz"
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duration: PT7M32S
duration ms: 452293
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by artist: Émile Waldteufel
by artist: Slovak State Philharmonic Orchestra, Kosice
by artist: Alfred Walter
in album: 101 Classics - The Best Loved Classical Melodies
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popularity: 1
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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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  date published: 2026-07-08T03:53:27Z
audio: Les Patineurs, Op. 183, "The Skater's Waltz"
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Sobre las olas (Over the Waves)
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duration: PT6M17S
duration ms: 377000
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by artist: Juventino Rosas
by artist: Mexico Festival Orchestra
by artist: Enrique Bátiz
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popularity: 1
genre: late-romantic-era
genre: latin-classical
genre: mexican-classical
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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 0xb241860b5b9e2582e331726a87da0bea187246c364bbb7accd63788fe9e98bb0. 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/HKI199245308.
  date published: 2026-07-08T03:22:41Z
audio: Sobre las olas (Over the Waves)
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The Nutcracker Suite, Op. 71a: VIII. Waltz of the Flowers
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duration: PT6M56S
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by artist: Slovak Radio Symphony Orchestra
by artist: Ondrej Lenard
in album: 101 Classics - The Best Loved Classical Melodies
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  date published: 1998-12-01
popularity: 1
isrc code: HKI199245310
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63cf1617dafc333e86ca6c8557c3b5abd1ce78f48aafe08a1820758a90936b7c. 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/HKI199245310.
  date published: 2026-07-08T03:53:27Z
audio: The Nutcracker Suite, Op. 71a: VIII. Waltz of the Flowers
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50 of the Best: Mozart
type: MusicAlbum
date published: 2011-11-15
track: Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": I. Allegro
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde6fc7a59a7617f60065fdc939784ea2adf5ffcc36be567cd2ec4ce0ac29f8c2. 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/HKI190563101.
    date published: 2026-07-08T08:56:20Z
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track: Symphony No. 40 in G Minor, K. 550: I. Molto allegro
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-07T13:52:39Z
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  by artist: Capella Istropolitana
  by artist: Barry Wordsworth
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  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
track: Ave verum corpus, K. 618
track: Piano Concerto No. 23 in A Major, K. 488: II. Adagio
track: Fantasia in D Minor, K. 397
track: Symphony No. 38 in D Major, K. 504, "Prague": III. Finale: Presto

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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
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc356c08013434460981d0bce5edf328a492a724d7ad735ea7e8dd47e37d727c3. 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/HKI199280505.
date published: 2026-07-08T03:53:27Z

Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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additional property: Valence (Positivity)
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Ave verum corpus, K. 618
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by artist: Wolfgang Amadeus Mozart
by artist: St. Clement Concert Choir
by artist: St. Clement Concert Orchestra
by artist: Randall Swanson
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popularity: 2
genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Ave verum corpus, K. 618
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Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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by artist: Wolfgang Amadeus Mozart
by artist: Jenő Jandó
by artist: Concentus Hungaricus
by artist: Matyas Antal
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popularity: 3
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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Fantasia in D Minor, K. 397
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by artist: Wolfgang Amadeus Mozart
by artist: Janos Sebestyen
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genre: classical
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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: 2026-07-08T03:20:19Z
audio: Fantasia in D Minor, K. 397
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Symphony No. 38 in D Major, K. 504, "Prague": III. Finale: Presto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 38 in D Major, K. 504, "Prague": III. Finale: Presto
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Classical Music - 50 of the Best
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T07:53:57Z
  audio: Symphony No. 5 in C-Sharp Minor: IV. Adagietto: Sehr langsam
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track: Die Zauberflote (The Magic Flute), K. 620, Act II: Der Holle Rache… (Queen of the Night)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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An der schonen, blauen Donau (The Beautiful Blue Danube), Op. 314
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Liebesträume, S. 541: 3 Liebestraume, S541/R211: No. 3: Nocturne in A-Flat Major
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by artist: Jenő Jandó
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T16:53:26Z
audio: Liebesträume, S. 541: 3 Liebestraume, S541/R211: No. 3: Nocturne in A-Flat Major
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Bagatelle in A Minor, WoO 59, "Fur Elise"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Bagatelle in A Minor, WoO 59, "Fur Elise"
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Mandolin Concerto in C Major, RV 425: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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audio: Mandolin Concerto in C Major, RV 425: I. Allegro
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Die Walkure, Act III: Ride of the Valkyries
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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 0x5e4dad610d878fa29b39d46c34cf6facfb450f56d0c64dce079cb9eac989588b. 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/HKI199331907.
  date published: 2026-07-08T03:22:41Z
audio: Die Walkure, Act III: Ride of the Valkyries
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Toccata and Fugue in D Minor, BWV 565: Toccata
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by artist: Johann Sebastian Bach
by artist: Wolfgang Rübsam
in album: Classical Music - 50 of the Best
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popularity: 5
genre: classical
genre: classical-piano
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347c8b216520212d8b55a2b02cfcecca6cc7d51c51274e3aa1f5924beb00fdd1. 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/HKI199628001.
  date published: 2026-07-08T03:20:19Z
audio: Toccata and Fugue in D Minor, BWV 565: Toccata
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1812 Festival Overture, Op. 49: 1812 Overture, Op. 49
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duration: PT15M34S
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by artist: Pyotr Ilyich Tchaikovsky
by artist: Ukraine National Symphony Orchestra
by artist: Theodore Kuchar
in album: Classical Music - 50 of the Best
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popularity: 3
isrc code: HKI190208405
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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
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  date published: 2026-07-08T03:53:27Z
audio: 1812 Festival Overture, Op. 49: 1812 Overture, Op. 49
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Nocturne No. 2 in E-Flat Major, Op. 9, No. 2
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duration ms: 266173
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by artist: Frédéric Chopin
by artist: Idil Biret
in album: Classical Music - 50 of the Best
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popularity: 6
genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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: 2026-07-21T17:24:44Z
audio: Nocturne No. 2 in E-Flat Major, Op. 9, No. 2
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The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity
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duration: PT8M0S
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by artist: CSR Symphony Orchestra, Bratislava
by artist: Adrian Leaper
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popularity: 2
genre: classical
genre: orchestra
isrc code: HKI199256404
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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: The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity
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Viola Concerto in G Major: II. Allegro
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duration: PT2M55S
duration ms: 175773
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by artist: Georg Philipp Telemann
by artist: Ladislav Kyselák
by artist: Capella Istropolitana
by artist: Richard Edlinger
in album: Classical Music - 50 of the Best
  type: MusicAlbum
  date published: 2011-09-20
popularity: 3
isrc code: HKI199319102
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Viola Concerto in G Major: II. Allegro
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Music for the Royal Fireworks, HWV 351: IV. Le rejouissance
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duration: PT3M6S
duration ms: 186893
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by artist: Aradia Ensemble
by artist: Kevin Mallon
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popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: HKI190516621
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Music for the Royal Fireworks, HWV 351: IV. Le rejouissance
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Mass in B Minor, BWV 232: Agnus dei
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duration ms: 347786
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by artist: Johann Sebastian Bach
by artist: Martina Koppelstetter
by artist: Capella Istropolitana
by artist: Christian Brembeck
in album: Classical Music - 50 of the Best
  type: MusicAlbum
  date published: 2011-09-20
popularity: 2
genre: classical
genre: classical-piano
isrc code: HKI199278914
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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Bolero
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3 Gymnopedies: No. 1. Lent et douloureux
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Piano Concerto in A Minor, Op. 16: I. Allegro moderato
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The Well-Tempered Clavier, Book I: Well-Tempered Clavier, Book I: Prelude and Fugue No. 1 in C Major, BWV 846
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The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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Rinaldo, HWV 7a: Lascia ch'io pianga (Let me lament)
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
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subject of: OpenTimestamps Proof of Existence
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audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
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Suite bergamasque: III. Clair de lune (orch. A. Caplet)
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subject of: OpenTimestamps Proof of Existence
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Goldberg Variations, BWV 988: I. Aria
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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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Gianni Schicchi: O mio babbino caro (Lauretta)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Gianni Schicchi: O mio babbino caro (Lauretta)
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Serse (Xerxes), HWV 40, Act I: Ombra mai fu: Largo (Serse)
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audio: Serse (Xerxes), HWV 40, Act I: Ombra mai fu: Largo (Serse)
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Nabucco, Act III: Va, pensiero, "Chorus of Hebrew Slaves"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Nabucco, Act III: Va, pensiero, "Chorus of Hebrew Slaves"
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Prélude à l'après-midi d'un faune, L. 86: Prelude a l'apres-midi d'un faune
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popularity: 2
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  date published: 2026-07-08T03:20:19Z
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Le nozze di Figaro, K. 492, Act I: Overture
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Messiah, HWV 56, Part II: Hallelujah
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Adagio 2
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Celebrating 50 Years Devoted to British Music, Set 2: Gordon Jacob to William Wordsworth
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A Guided Tour of the Classical Era, Vol. 1
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Art & Music: Canaletto - Music of His Time
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Julian Lloyd Webber plays Andrew Lloyd Webber
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track: The Phantom Of The Opera: Music Of The Night
track: Cats: Memory
track: Evita: Don't Cry for Me Argentina
track: The Beautiful Game: Our Kind of Love
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track: Starlight Express: Starlight Express
track: Evita: Buenos Aires
track: Sunset Boulevard: The Perfect Year
track: The Phantom of the Opera: All I Ask of You
track: Song and Dance: Tell Me on a Sunday
track: Variations: Variations I-IV
track: Requiem: Pie Jesu

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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: Starlight Express: Starlight Express
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Evita: Buenos Aires
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by artist: Andrew Lloyd Webber
by artist: Julian Lloyd Webber
by artist: David Cullen
by artist: Jon Hiseman
by artist: Royal Philharmonic Orchestra
by artist: Barry Wordsworth
in album: Julian Lloyd Webber plays Andrew Lloyd Webber
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popularity: 3
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Evita: Buenos Aires
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Sunset Boulevard: The Perfect Year
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by artist: Andrew Lloyd Webber
by artist: Julian Lloyd Webber
by artist: David Cullen
by artist: Paul Morgan
by artist: Frank Ricotti
by artist: Mitch Dalton
by artist: Royal Philharmonic Orchestra
by artist: Barry Wordsworth
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popularity: 3
genre: musicals
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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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  date published: 2026-07-08T03:53:27Z
audio: Sunset Boulevard: The Perfect Year
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Song and Dance: Tell Me on a Sunday
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by artist: Julian Lloyd Webber
by artist: Royal Philharmonic Orchestra
by artist: Barry Wordsworth
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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: 2026-07-08T03:20:19Z
audio: Song and Dance: Tell Me on a Sunday
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Requiem: Pie Jesu
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by artist: Julian Lloyd Webber
by artist: Royal Philharmonic Orchestra
by artist: Barry Wordsworth
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Requiem: Pie Jesu
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The Essentials: Haydn
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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The Ultimate Mozart Opera Album
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date published: 2010-12-14

A Guided Tour of the Classical Era, Vol. 2
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date published: 2013-04-09

50 of the Best: Classical Music for Christmas
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date published: 2012-11-27

The Night Before Christmas Narrated by Stephen Fry
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track: Divertimento in F Major, "Die musikalische Schlittenfahrt" (The Musical Sleigh-ride)
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  by artist: Sydney Baynes
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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: La vierge: The Last Sleep of the Virgin
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  audio: La vierge: The Last Sleep of the Virgin
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Classical Music for the Christmas Holiday, Vol. 1
type: MusicAlbum
date published: 2016-11-18

My First Christmas Album
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Best of London
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A Guided Tour of Nationalism in the Romantic Era, Vol. 7
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Mozart: 30 of the Best
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track: Concerto for Flute & Harp in C Major, K. 299: II. Andantino
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Classical Music: 30 of the Best
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Best of Opera, Vol. 5
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date published: 2000-10-21

40 of the Best: Classical Music to Drive With
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Best of British Light Music
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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
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    date published: 2026-07-08T03:53:27Z
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Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Carmen: Carmen: Prelude
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track: Orphee aux enfers (Orpheus in the Underworld): Can-Can
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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track: Thais: Thais, Act II: Meditation
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  subject of: OpenTimestamps Proof of Existence
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track: Cavalleria Rusticana: Intermezzo
track: Eugene Onegin, Op. 24: Act III Scene 1: Polonaise
track: La gazza ladra (The Thieving Magpie): Overture
track: Eugene Onegin, Op. 24: Act II Scene 1: Waltz
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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
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date published: 2026-07-08T03:53:27Z

Thais: Thais, Act II: Meditation
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Cavalleria Rusticana: Intermezzo
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by artist: Slovak Radio Symphony Orchestra
by artist: Alexander Rahbari
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Cavalleria Rusticana: Intermezzo
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Eugene Onegin, Op. 24: Act III Scene 1: Polonaise
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subject of: OpenTimestamps Proof of Existence
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