George Gershwin
type: MusicGroup
genre: ragtime
description: George Gershwin (; born Jacob Gershwine; September 26, 1898 – July 11, 1937) was an American composer and pianist whose compositions spanned jazz, popular and classical music. Among his best-known wor
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followers: 334305
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2023-07-28
  track: Variations on "I Got Rhythm" - Remastered 2023
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      date published: 2026-07-08T08:56:20Z
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  track: Rhapsody in Blue - Remastered 2023
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    subject of: OpenTimestamps Proof of Existence
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  track: 3 Preludes: No. 2, Andante con moto e poco rubato - Remastered 2023
album: Milonga for Three
album: Frederick Fennell Conducts Gershwin
album: Gershwin: Music for Two Pianos
album: Gershwin: Rhapsody in Blue, Piano Concerto, Variations on "I Got Rhythm" & Preludes
album: Gershwin Plays Gershwin: The Piano Rolls
album: Gershwin: Rhapsody in Blue & An American in Paris
album: America, The Beautiful
album: Gershwin: Piano Selections
album: Gershwin: Fascinating Rhythm – The Complete Music for Solo Piano
album: American Light Music Classics
album: Grainger: Rambles and Reflections
album: Gershwin: That's Entertainment
album: Rhapsody in Blue (Miroir)
album: Gershwin: Rhapsody in Blue - Complete Works for Piano and Orchestra
album: Gershwin Take Two
album: Piano Recital: Glazier, Richard - Wild, E. / Gershwin, G.
album: Gershwin: Porgy and Bess (Live)
album: Great American Composers: John Williams, Aaron Copland & Igor Stravinsky
album: Gershwin: Rhapsody in Blue, Concerto in F Major & An American in Paris
album: Gershwin: Rhapsody in Blue & An American in Paris (Mono Version)
album: Watts by George!
album: The Prodigy Conductor
album: The Roaring Seventies
album: Gershwinicity
track: I Loves You Porgy
track: Gershwin / Arr. Harris: Fascinatin' Rhythm
track: Porgy and Bess, Act I: Summertime
track: Gershwin: Rhapsody in Blue (Excerpt)
track: Preludes for piano: II. Blue Lullaby
track: Gershwin: Porgy and Bess: "Summertime"

Rhapsody in Blue
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by artist: George Gershwin
by artist: Mark Bebbington
by artist: Royal Philharmonic Orchestra
by artist: Leon Botstein
in album: Gershwin: Rhapsody in Blue, Piano Concerto, Variations on "I Got Rhythm" & Preludes
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popularity: 19
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Rhapsody in Blue
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Rhapsody in Blue
type: MusicRecording
duration: PT14M25S
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by artist: George Gershwin
in album: Gershwin Plays Gershwin: The Piano Rolls
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popularity: 33
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Rhapsody in Blue
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Rhapsody in Blue
type: MusicRecording
duration: PT16M27S
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by artist: George Gershwin
by artist: Columbia Symphony Orchestra
by artist: Leonard Bernstein
in album: Gershwin: Rhapsody in Blue & An American in Paris
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  date published: 1959
popularity: 47
isrc code: USSM15901418
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T12:47:07Z
audio: Rhapsody in Blue
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Strike Up The Band
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by artist: Boston Pops Orchestra
by artist: John Williams
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  date published: 2026-07-22T20:08:50Z
audio: Strike Up The Band
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.569
  additional property: Energy
    type: PropertyValue
    value: 0.633
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.671
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.849
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.334
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.462
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: NLA508000005
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959159
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T20:08:50+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508000005

Three-Quarter Blues
type: MusicRecording
duration: PT2M11S
duration ms: 131400
explicit: false
by artist: George Gershwin
by artist: Simon Tedeschi
in album: Gershwin Take Two
  type: MusicAlbum
  date published: 2013-11-01
popularity: 15
isrc code: AUAB01350407
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T10:49:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5742f567f309ba5848d57a644b4ca1b926f37e6c96498a9335715eefff0a5396
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/AUAB01350407
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 0x5742f567f309ba5848d57a644b4ca1b926f37e6c96498a9335715eefff0a5396. 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/AUAB01350407.
  date published: 2026-07-02T03:55:08Z
audio: Three-Quarter Blues
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.118
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.528
  additional property: Energy
    type: PropertyValue
    value: 0.023
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.925
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.323
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

I'll Build a Stairway to Paradise
type: MusicRecording
duration: PT0M47S
duration ms: 47426
explicit: false
by artist: George Gershwin
by artist: Simon Tedeschi
in album: Gershwin Take Two
  type: MusicAlbum
  date published: 2013-11-01
popularity: 32
isrc code: AUAB01350410
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T21:39:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53b92af8c0cd0d7e21902ef10017d8dc99b4cfcc257f2aa03efa3e7d842ba224
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01350410
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53b92af8c0cd0d7e21902ef10017d8dc99b4cfcc257f2aa03efa3e7d842ba224. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01350410.
  date published: 2026-06-13T15:41:10Z
audio: I'll Build a Stairway to Paradise
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.334
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.459
  additional property: Energy
    type: PropertyValue
    value: 0.231
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.805
  additional property: Liveness
    type: PropertyValue
    value: 0.204
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.304
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.087
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gershwin / Arr. Harris: Fascinatin' Rhythm
type: MusicRecording
duration: PT2M19S
duration ms: 139626
explicit: false
by artist: George Gershwin
by artist: Yehudi Menuhin
by artist: Stéphane Grappelli
by artist: Max Harris
by artist: Alan Clare
by artist: Denny Wright
by artist: Ike Isaacs
by artist: Lennie Bush
by artist: Ronnie Verrell
in album: Icon: Menuhin and Grappelli
  type: MusicAlbum
  date published: 2009-09-07
popularity: 18
isrc code: GBAYC0900715
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T11:09:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14b726edbb344d4633c3bb6c8a2a98c3da9a44f4f4f8dcd765f187863fdb4044
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0900715
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14b726edbb344d4633c3bb6c8a2a98c3da9a44f4f4f8dcd765f187863fdb4044. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0900715.
  date published: 2026-07-02T03:30:09Z
audio: Gershwin / Arr. Harris: Fascinatin' Rhythm
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.98
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.568
  additional property: Energy
    type: PropertyValue
    value: 0.265
  additional property: Speechiness
    type: PropertyValue
    value: 0.081
  additional property: Acousticness
    type: PropertyValue
    value: 0.652
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.252
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.481
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.036
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Porgy and Bess, Act I: Summertime
type: MusicRecording
duration: PT2M40S
duration ms: 160000
explicit: false
by artist: George Gershwin
by artist: Kathleen Battle
by artist: Orchestra of St. Luke's
by artist: André Previn
in album: Previn: Honey & Rue / Barber: Knoxville / Gershwin: Porgy and Bess
  type: MusicAlbum
  date published: 1995-01-01
popularity: 16
isrc code: DEF059205510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:52:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde3e9293b3e932d8e07503e3d77a552fecc8aa89ad32d8391837d594e49f5dca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059205510
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde3e9293b3e932d8e07503e3d77a552fecc8aa89ad32d8391837d594e49f5dca. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/DEF059205510.
  date published: 2026-06-13T17:25:41Z
audio: Porgy and Bess, Act I: Summertime
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.887
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.151
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.478
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.87
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Gershwin: Rhapsody in Blue (Excerpt)
type: MusicRecording
duration: PT3M23S
duration ms: 203466
explicit: false
by artist: George Gershwin
by artist: Wayne Marshall
by artist: Aalborg Symphony
by artist: Aalborg Symphony Orchestra
in album: 100 Best Piano
  type: MusicAlbum
  date published: 2006-10-27
popularity: 12
isrc code: GBPFW0700163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:12:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8840cf3e04a122f7a2f92dbdaee92b44f13f4d6b5d5d772d6fe654c103b55bba
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/GBPFW0700163
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: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8840cf3e04a122f7a2f92dbdaee92b44f13f4d6b5d5d772d6fe654c103b55bba. 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/GBPFW0700163.
  date published: 2026-07-02T03:55:08Z
audio: Gershwin: Rhapsody in Blue (Excerpt)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.043
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.24
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.851
  additional property: Liveness
    type: PropertyValue
    value: 0.565
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.17
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.071
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gershwin: Porgy and Bess: "Summertime"
type: MusicRecording
duration: PT2M54S
duration ms: 174573
explicit: false
by artist: George Gershwin
by artist: Ira Gershwin
by artist: Diana Damrau
by artist: David Charles Abell
by artist: Royal Liverpool Philharmonic Orchestra
in album: Forever
  type: MusicAlbum
  date published: 2013-10-14
popularity: 7
isrc code: GBAYC1302285
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:47:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb7685275d124d5123ffc91ae896d58a6cc9c580bd3c0c0f2d914e51b46929ba
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/GBAYC1302285
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 0xbb7685275d124d5123ffc91ae896d58a6cc9c580bd3c0c0f2d914e51b46929ba. 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/GBAYC1302285.
  date published: 2026-07-02T05:09:12Z
audio: Gershwin: Porgy and Bess: "Summertime"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.798
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.208
  additional property: Energy
    type: PropertyValue
    value: 0.187
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.285
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.467
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Instrumentalness
type: PropertyValue
value: 0.816

Liveness
type: PropertyValue
value: 0.137

Valence (Positivity)
type: PropertyValue
value: 0.084

Loudness (dB)
type: PropertyValue
value: -23.788

Key Name
type: PropertyValue
value: A

Mode Name
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by artist: Jeffrey Siegel
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Milonga for Three
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Frederick Fennell Conducts Gershwin
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Gershwin: Music for Two Pianos
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Gershwin: Rhapsody in Blue, Piano Concerto, Variations on "I Got Rhythm" & Preludes
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  by artist: Royal Philharmonic Orchestra
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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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Gershwin Plays Gershwin: The Piano Rolls
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Gershwin: Rhapsody in Blue & An American in Paris
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America, The Beautiful
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T01:25:57Z
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track: American Salute
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T14:50:41Z
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  subject of: OpenTimestamps Proof of Existence
  audio: America, The Beautiful
track: This Land Is Your Land
track: Rodeo: Hoe-Down
track: The Battle Hymn Of The Republic
track: The Entertainer
track: Alexander's Ragtime Band
track: Seventy Six Trombones
track: The Stars And Stripes Forever
track: America, The Dream Goes On
track: Strike Up The Band

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

America, The Beautiful
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This Land Is Your Land
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-13T07:54:01Z
audio: This Land Is Your Land
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Rodeo: Hoe-Down
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.446
  additional property: Energy
    type: PropertyValue
    value: 0.144
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.977
  additional property: Liveness
    type: PropertyValue
    value: 0.152
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.393
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.296
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Battle Hymn Of The Republic
type: MusicRecording
duration: PT5M2S
duration ms: 302160
explicit: false
by artist: Anonymous
by artist: Tanglewood Festival Chorus
by artist: Boston Pops Orchestra
by artist: John Williams
in album: America, The Beautiful
  type: MusicAlbum
  date published: 1996-01-01
isrc code: NLA508400503
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:48:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x770141646b64c81a4a30daf70ebc6aaedcc437525926b47fa65e0a40c470b91f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508400503
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x770141646b64c81a4a30daf70ebc6aaedcc437525926b47fa65e0a40c470b91f. 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/NLA508400503.
  date published: 2026-07-08T03:22:41Z
audio: The Battle Hymn Of The Republic
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.977
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.282
  additional property: Energy
    type: PropertyValue
    value: 0.083
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.869
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.431
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Entertainer
type: MusicRecording
duration: PT3M27S
duration ms: 207013
explicit: false
by artist: Scott Joplin
by artist: Pasquale Cardillo
by artist: Boston Pops Orchestra
by artist: Arthur Fiedler
in album: America, The Beautiful
  type: MusicAlbum
  date published: 1996-01-01
isrc code: USF067302010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:04:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4270807503ee849640d917a78aaba9a36c335b1e47096c924af9cbc395150bd5
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/USF067302010
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4270807503ee849640d917a78aaba9a36c335b1e47096c924af9cbc395150bd5. 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/USF067302010.
  date published: 2026-07-02T03:55:08Z
audio: The Entertainer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.816
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.564
  additional property: Energy
    type: PropertyValue
    value: 0.433
  additional property: Speechiness
    type: PropertyValue
    value: 0.089
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.918
  additional property: Liveness
    type: PropertyValue
    value: 0.059
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.719
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.99
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Alexander's Ragtime Band
type: MusicRecording
duration: PT3M11S
duration ms: 191826
explicit: false
by artist: Irving Berlin
by artist: Boston Pops Orchestra
by artist: Arthur Fiedler
in album: America, The Beautiful
  type: MusicAlbum
  date published: 1996-01-01
genre: tin-pan-alley
isrc code: USF067302060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:05:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2955c35eb2fcd7b14cf9331e9a113f3f5c93c8ade3cabfdc504af6b0127bd790
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/USF067302060
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2955c35eb2fcd7b14cf9331e9a113f3f5c93c8ade3cabfdc504af6b0127bd790. 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/USF067302060.
  date published: 2026-07-02T03:55:08Z
audio: Alexander's Ragtime Band
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.055
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.474
  additional property: Energy
    type: PropertyValue
    value: 0.442
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.821
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.933
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.734
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.925
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Seventy Six Trombones
type: MusicRecording
duration: PT3M0S
duration ms: 180760
explicit: false
by artist: Meredith Willson
by artist: Boston Pops Orchestra
by artist: John Williams
in album: America, The Beautiful
  type: MusicAlbum
  date published: 1996-01-01
isrc code: NLA508000008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:31:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3789e8fa0fc353d76f223b8cd4b4456d78e8ce5896a6a6eee055fc739ec051a9
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/NLA508000008
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3789e8fa0fc353d76f223b8cd4b4456d78e8ce5896a6a6eee055fc739ec051a9. 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/NLA508000008.
  date published: 2026-07-02T05:09:12Z
audio: Seventy Six Trombones
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.075
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.556
  additional property: Energy
    type: PropertyValue
    value: 0.41
  additional property: Speechiness
    type: PropertyValue
    value: 0.09
  additional property: Acousticness
    type: PropertyValue
    value: 0.743
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.354
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.548
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.934
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Stars And Stripes Forever
type: MusicRecording
duration: PT3M31S
duration ms: 211746
explicit: false
by artist: John Philip Sousa
by artist: Boston Pops Orchestra
by artist: Arthur Fiedler
in album: America, The Beautiful
  type: MusicAlbum
  date published: 1996-01-01
isrc code: USF067102120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:56:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53242cb7657c251816b0ed64b8ac251deee83ed51af4279306ec1c83b3f6f98c
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/USF067102120
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53242cb7657c251816b0ed64b8ac251deee83ed51af4279306ec1c83b3f6f98c. 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/USF067102120.
  date published: 2026-07-02T05:09:12Z
audio: The Stars And Stripes Forever
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.231
  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: 0.561
  additional property: Energy
    type: PropertyValue
    value: 0.627
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.891
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.139
  additional property: Liveness
    type: PropertyValue
    value: 0.062
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.637
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.098
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

America, The Dream Goes On
type: MusicRecording
duration: PT4M31S
duration ms: 271973
explicit: false
by artist: John Williams
by artist: Tanglewood Festival Chorus
by artist: Boston Pops Orchestra
in album: America, The Beautiful
  type: MusicAlbum
  date published: 1996-01-01
isrc code: NLA508400502
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:53:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad84316f0d24367b58ba11391504c77c1a7b4c1dd147e4c97fbfacc0a330a3b1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508400502
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad84316f0d24367b58ba11391504c77c1a7b4c1dd147e4c97fbfacc0a330a3b1. 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/NLA508400502.
  date published: 2026-07-08T03:22:41Z
audio: America, The Dream Goes On
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.483
  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: 0.47
  additional property: Energy
    type: PropertyValue
    value: 0.204
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.219
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.258
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.006
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gershwin: Piano Selections
type: MusicAlbum
date published: 2013-07-11

Gershwin: Fascinating Rhythm – The Complete Music for Solo Piano
type: MusicAlbum
date published: 1999-05-01

American Light Music Classics
type: MusicAlbum
date published: 1998-06-01
track: The Whistler and His Dog
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170000
  explicit: false
  by artist: Arthur Pryor
  by artist: Ronald Corp
  by artist: New London Orchestra
  by artist: Jennifer Welch
  in album: American Light Music Classics
    type: MusicAlbum
    date published: 1998-06-01
  popularity: 3
  genre: ragtime
  isrc code: GBAJY9806705
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:15:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x16171bf382223e9b7f5ab2cac7dafcf2dd6ff52798d1b6563813e017328696bb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9806705
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16171bf382223e9b7f5ab2cac7dafcf2dd6ff52798d1b6563813e017328696bb. 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/GBAJY9806705.
    date published: 2026-07-08T03:20:19Z
  audio: The Whistler and His Dog
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.245
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.502
    additional property: Energy
      type: PropertyValue
      value: 0.05
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.752
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.011
    additional property: Liveness
      type: PropertyValue
      value: 0.202
    additional property: Valence (Positivity)
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track: Holiday for Strings
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  by artist: New London Orchestra
  by artist: Ronald Corp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
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  by artist: New London Orchestra
  by artist: Ronald Corp
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
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track: Symphony No. 5½ "A Symphony for Fun": II. Spiritual?

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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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee413b56a07135bf53936b6a49a49fb18aacde24a318e5d6525491dad379b421. 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/GBAJY9806718.
date published: 2026-07-08T03:22:41Z

Symphony No. 5½ "A Symphony for Fun": I. Perpetual Emotion
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Symphony No. 5½ "A Symphony for Fun": II. Spiritual?
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explicit: false
by artist: Don Gillis
by artist: Ronald Corp
by artist: New London Orchestra
in album: American Light Music Classics
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 5½ "A Symphony for Fun": II. Spiritual?
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Grainger: Rambles and Reflections
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Gershwin: That's Entertainment
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date published: 1988-01-01

Rhapsody in Blue (Miroir)
type: MusicAlbum
date published: 2002

Gershwin: Rhapsody in Blue - Complete Works for Piano and Orchestra
type: MusicAlbum
date published: 2009-03-13

Gershwin Take Two
type: MusicAlbum
date published: 2013-11-01
track: Three-Quarter Blues
track: I'll Build a Stairway to Paradise
track: Rhapsody in Blue (Piano Solo)
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  by artist: Simon Tedeschi
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: Rhapsody in Blue (Piano Solo)
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Piano Recital: Glazier, Richard - Wild, E. / Gershwin, G.
type: MusicAlbum
date published: 1995-01-01
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: 7 Virtuoso Etudes after Gershwin: No. 5. Somebody Loves Me
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track: Strike up the Band: Meadow Serenade (arr. for piano)
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  by artist: George Gershwin
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Sleepless Night (arr. for piano)
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  subject of: OpenTimestamps Proof of Existence
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

Sleepless Night (arr. for piano)
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Promenade
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by artist: Richard Glazier
in album: Piano Recital: Glazier, Richard - Wild, E. / Gershwin, G.
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audio: Promenade
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Gershwin: Porgy and Bess (Live)
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date published: 2008-11-19
track: Porgy and Bess - Act One, Scene I: Summertime - Live
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  by artist: Helen Colbert
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Great American Composers: John Williams, Aaron Copland & Igor Stravinsky
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Gershwin: Rhapsody in Blue, Concerto in F Major & An American in Paris
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Gershwin: Rhapsody in Blue & An American in Paris (Mono Version)
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date published: 1960-01-01

Watts by George!
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date published: 1976
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track: George Gershwin's Songbook: 7. Liza
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The Prodigy Conductor
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track: Tchaikovsky: The Nutcracker, Op. 71, Act 2: No. 13, Waltz of the Flowers
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    date published: 2026-07-06T01:26:17Z
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track: Barber: Adagio for Strings
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track: Mussorgsky: Pictures at an Exhibition: Promenade I (Orch. Ravel, M. A 24)
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track: Lost Love
track: Prologue - The Highest Point
track: Orff: Carmina Burana, Introduction "Fortuna Imperatrix Mundi": O Fortuna
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Orff: Carmina Burana, Introduction "Fortuna Imperatrix Mundi": O Fortuna
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Tchaikovsky: The Nutcracker, Op. 71, Act 2: No. 12e, Divertissement. Dance of the Reed-Flutes
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Bizet: Carmen, WD 31: Prélude
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Beethoven: Symphony No. 2 in D Major, Op. 36: III. Scherzo. Allegro
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Meeting Laura
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Elgar: Variations on an Original Theme, Op. 36 "Enigma": Variation IX. Nimrod
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Bizet: Carmen, WD 31, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
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Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto (Excerpt)
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Britten: 4 Chansons françaises: No. 3, L'enfance
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Mussorgsky: Pictures at an Exhibition: Il. Il vecchio castello (Orch. Ravel, M. A 24)
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subject of: OpenTimestamps Proof of Existence
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Rodrigo: Concierto de Aranjuez: II. Adagio (Excerpt)
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Mahler: Symphony No. 2 in C Minor "Resurrection": V. (g) Mit Aufschwung aber nicht eilen. "O Schmerz!"
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  date published: 2026-07-08T03:20:19Z
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Holst: The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity (Excerpt)
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Tchaikovsky: The Nutcracker, Op. 71, Act 2: No. 14a, Pas de deux. Andante maestoso
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Sibelius: 2 Pieces from Kuolema, Op. 44: No. 2, Scene with Cranes
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subject of: OpenTimestamps Proof of Existence
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Mussorgsky / Orch. Ravel: Pictures at an Exhibition: XI. The Knight's Gate in the Old Capital of Kiev
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Debussy: La Mer, CD 111, L. 109: II. Jeux de vagues
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Dvořák: The Water Goblin, Op. 107, B. 195: I. Allegro vivo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Dvořák: The Water Goblin, Op. 107, B. 195: I. Allegro vivo
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Debussy: Images pour orchestre, CD 118, L. 122, Pt. 2 "Iberia": No. 1, Par les rues et par les chemins
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  date published: 2026-07-08T03:20:19Z
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Beethoven: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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  date published: 2026-07-08T03:22:41Z
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Stravinsky: The Rite of Spring, Pt. 1 "Adoration of the Earth": Introduction - Augurs of Spring - Dances of the Young Girls - Ritual of Abduction
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  date published: 2026-07-08T03:22:41Z
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Beethoven: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": IV. Finale. Allegro molto
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track: Bizet: Carmen, WD 31, Act 1: Séguedille. "Près des remparts de Séville" (Carmen, Don José)
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track: Messiaen: Éclairs sur l'au-delà...: X. Le chemin de l'invisible

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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 0xe4eee6dc7817b473a7c8f3f6d4d23224e0779fb575f64e7f66055d7fc0d6afe2. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0402189.
  date published: 2026-07-07T11:43:09Z
audio: Orff: Carmina Burana, Pt. 2 "In taberna": Estuans interius
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Shostakovich: Symphony No. 14 in G Minor, Op. 135: II. Malagueña
type: MusicRecording
duration: PT2M50S
duration ms: 170546
explicit: false
by artist: Dmitri Shostakovich
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
by artist: Karita Mattila
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 13
isrc code: GBAYC0502297
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0502297
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a358d91a572d2c0ae214405e0ecd59328d50490c68e89974cc56b5a4500bcb9. 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/GBAYC0502297.
  date published: 2026-07-02T05:09:12Z
audio: Shostakovich: Symphony No. 14 in G Minor, Op. 135: II. Malagueña
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Mussorgsky: Pictures at an Exhibition: Promenade I (Orch. Ravel, M. A 24)
type: MusicRecording
duration: PT1M42S
duration ms: 102873
explicit: false
by artist: Modest Mussorgsky
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 14
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: GBAYC0704323
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0704323
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26ca8ace892304130a278913cc6814037b04375a67386955db3bbc16f2490da. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC0704323.
  date published: 2026-07-02T11:34:59Z
audio: Mussorgsky: Pictures at an Exhibition: Promenade I (Orch. Ravel, M. A 24)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.873
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mussorgsky: Pictures at an Exhibition: Il. Il vecchio castello (Orch. Ravel, M. A 24)
type: MusicRecording
duration: PT4M38S
duration ms: 278466
explicit: false
by artist: Modest Mussorgsky
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 14
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: GBAYC0704326
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0704326
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb5ca4420086c2d7b295874c02c422db04a97506384e4388b408fb02335c3370. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC0704326.
  date published: 2026-07-02T11:34:59Z
audio: Mussorgsky: Pictures at an Exhibition: Il. Il vecchio castello (Orch. Ravel, M. A 24)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Mussorgsky: Pictures at an Exhibition: III. Tuileries (Orch. Ravel, M. A 24)
type: MusicRecording
duration: PT1M9S
duration ms: 69253
explicit: false
by artist: Modest Mussorgsky
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 13
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: GBAYC0704328
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0704328
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf27d611629bca0bd94e210789ca1bdd467fc9d2a68cdc82ed838f6e552701d7a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC0704328.
  date published: 2026-07-02T11:34:59Z
audio: Mussorgsky: Pictures at an Exhibition: III. Tuileries (Orch. Ravel, M. A 24)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.102
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.764
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mussorgsky: Pictures at an Exhibition: V. Ballet of the Unhatched Chicks (Orch. Ravel, M. A 24)
type: MusicRecording
duration: PT1M12S
duration ms: 72226
explicit: false
by artist: Modest Mussorgsky
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 12
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: GBAYC0704331
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0704331
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f94971b78c7943bdd21794f13a968851fab85322d6ec2008080f2ba54d5bde. 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/GBAYC0704331.
  date published: 2026-07-02T05:09:12Z
audio: Mussorgsky: Pictures at an Exhibition: V. Ballet of the Unhatched Chicks (Orch. Ravel, M. A 24)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mussorgsky: Pictures at an Exhibition: VII. Limoges, le marché (Orch. Ravel, M. A 24)
type: MusicRecording
duration: PT1M20S
duration ms: 80760
explicit: false
by artist: Modest Mussorgsky
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 12
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: GBAYC0704333
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0704333
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2281d3f112fbc750bba830701ab3d68f0d94bc3b2364053146a726f1f6a956ff. 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/GBAYC0704333.
  date published: 2026-07-02T11:38:34Z
audio: Mussorgsky: Pictures at an Exhibition: VII. Limoges, le marché (Orch. Ravel, M. A 24)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.515
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.741
  additional property: Key Name
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  additional property: Mode Name
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Mussorgsky: Pictures at an Exhibition: X. The Hut on Fowl's Legs "Baba Yaga" (Orch. Ravel, M. A 24)
type: MusicRecording
duration: PT3M25S
duration ms: 205573
explicit: false
by artist: Modest Mussorgsky
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 13
genre: classical
genre: late-romantic-era
genre: early-modern-classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Mussorgsky: Pictures at an Exhibition: X. The Hut on Fowl's Legs "Baba Yaga" (Orch. Ravel, M. A 24)
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Mussorgsky / Orch. Ravel: Pictures at an Exhibition: XI. The Knight's Gate in the Old Capital of Kiev
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genre: late-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
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Prologue - The Highest Point
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by artist: Berliner Philharmoniker
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Prologue - The Highest Point
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Lost Love
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Lost Love
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Haydn: Symphony No. 88 in G Major, Hob. I:88: IV. Finale. Allegro con spirito
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Haydn: Symphony No. 88 in G Major, Hob. I:88: IV. Finale. Allegro con spirito
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Barber: Adagio for Strings
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Barber: Adagio for Strings
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Szymanowski: Songs of a Fairy-Tale Princess, Op. 31: No. 2, The Nightingale
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
audio: Szymanowski: Songs of a Fairy-Tale Princess, Op. 31: No. 2, The Nightingale
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Stravinsky: The Rite of Spring, Pt. 1 "Adoration of the Eath": Introduction
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by artist: Berliner Philharmoniker
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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: 2026-07-06T07:53:57Z
audio: Stravinsky: The Rite of Spring, Pt. 1 "Adoration of the Eath": Introduction
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Stravinsky: The Rite of Spring, Pt. 1 "Adoration of the Eath": Ritual of Abduction
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by artist: Igor Stravinsky
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
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popularity: 9
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Stravinsky: The Rite of Spring, Pt. 1 "Adoration of the Eath": Ritual of Abduction
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Bizet: Carmen, WD 31: Prélude
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explicit: false
by artist: Georges Bizet
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 9
genre: classical
genre: opera
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf56316a85967277ea691467245ad9bd15ed3a4288474a5a18bfa64f8e7f48634. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200845.
  date published: 2026-07-06T07:16:32Z
audio: Bizet: Carmen, WD 31: Prélude
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Bizet: Carmen, WD 31, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
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explicit: false
by artist: Georges Bizet
by artist: Sir Simon Rattle
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Magdalena Kožená
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 9
genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Bizet: Carmen, WD 31, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
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Bizet: Carmen, WD 31, Act 1: Séguedille. "Près des remparts de Séville" (Carmen, Don José)
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duration: PT4M32S
duration ms: 272173
explicit: false
by artist: Georges Bizet
by artist: Sir Simon Rattle
by artist: Jonas Kaufmann
by artist: Magdalena Kožená
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 9
genre: classical
genre: opera
isrc code: GBAYC1200861
additional property: CopyrightID
additional property: CopyrightStatus
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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: Bizet: Carmen, WD 31, Act 1: Séguedille. "Près des remparts de Séville" (Carmen, Don José)
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Bizet: Carmen, WD 31, Act 2: "Votre toast, je peux vous le rendre" - "Toréador, en garde !" (Escamillo, Carmen, Frasquita, Mercédès, Moralès, Zuniga)
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duration: PT5M2S
duration ms: 302293
explicit: false
by artist: Georges Bizet
by artist: Sir Simon Rattle
by artist: Andrè Schuen
by artist: Christian Van Horn
by artist: Christina Landshamer
by artist: Kostas Smoriginas
by artist: Magdalena Kožená
by artist: Rachel Frenkel
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
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  date published: 2025-02-09
popularity: 8
genre: classical
genre: opera
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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: Bizet: Carmen, WD 31, Act 2: "Votre toast, je peux vous le rendre" - "Toréador, en garde !" (Escamillo, Carmen, Frasquita, Mercédès, Moralès, Zuniga)
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Gershwin: Porgy and Bess, Act 1: "Summertime" (Clara, Chorus)
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duration: PT3M28S
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by artist: Sir Simon Rattle
by artist: Harolyn Blackwell
by artist: Glyndebourne Chorus
by artist: London Philharmonic Orchestra
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  date published: 2025-02-09
popularity: 8
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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 0x22f72c2595dff2e5eb25188d2f4cf2f62fe3e2150476035cade5d0d27db8251a. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBAYC8801014.
  date published: 2026-07-07T18:39:05Z
audio: Gershwin: Porgy and Bess, Act 1: "Summertime" (Clara, Chorus)
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Prokofiev: Violin Concerto No. 1 in D Major, Op. 19: III. Moderato
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duration: PT8M12S
duration ms: 492413
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by artist: Sergei Prokofiev
by artist: Sarah Chang
by artist: Berliner Philharmoniker
by artist: Sir Simon Rattle
in album: The Roaring Seventies
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popularity: 8
genre: classical
genre: orchestra
genre: neoclassical
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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: Prokofiev: Violin Concerto No. 1 in D Major, Op. 19: III. Moderato
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Beethoven: Symphony No. 7 in A Major, Op. 92: II. Allegretto
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duration: PT8M25S
duration ms: 505093
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by artist: Ludwig van Beethoven
by artist: Wiener Philharmoniker
by artist: Sir Simon Rattle
in album: The Roaring Seventies
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  date published: 2025-02-09
popularity: 10
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Beethoven: Symphony No. 7 in A Major, Op. 92: II. Allegretto
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Schoenberg: Gurre-Lieder, Pt. 1: Introduktion. Mässig bewegt
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by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
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  date published: 2025-02-09
popularity: 8
genre: classical
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Schoenberg: Gurre-Lieder, Pt. 1: Introduktion. Mässig bewegt
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Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral": II. Molto vivace - Presto
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duration: PT11M59S
duration ms: 719080
explicit: false
by artist: Ludwig van Beethoven
by artist: Wiener Philharmoniker
by artist: Sir Simon Rattle
in album: The Roaring Seventies
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  date published: 2025-02-09
popularity: 8
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c466e05bb0eb4f80e0109fd53c031eccd24b2e9407730e05452185ee843928. 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/GBAYC0202791.
  date published: 2026-07-08T03:22:41Z
audio: Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral": II. Molto vivace - Presto
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Mahler: Symphony No. 5 in C-Sharp Minor: I. Trauermarsch. In gemessenen Schritt. Streng. Wie ein Kondukt
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duration: PT13M3S
duration ms: 783786
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by artist: Gustav Mahler
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
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  date published: 2025-02-09
popularity: 7
genre: classical
genre: orchestra
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Mahler: Symphony No. 5 in C-Sharp Minor: I. Trauermarsch. In gemessenen Schritt. Streng. Wie ein Kondukt
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Mahler: Symphony No. 5 in C-Sharp Minor: IV. Adagietto. Sehr langsam
type: MusicRecording
duration: PT9M34S
duration ms: 574773
explicit: false
by artist: Gustav Mahler
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 8
genre: classical
genre: orchestra
isrc code: GBAYC0203081
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: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Mahler: Symphony No. 5 in C-Sharp Minor: IV. Adagietto. Sehr langsam
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Beethoven: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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duration: PT7M24S
duration ms: 444386
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by artist: Ludwig van Beethoven
by artist: Wiener Philharmoniker
by artist: Sir Simon Rattle
in album: The Roaring Seventies
  type: MusicAlbum
  date published: 2025-02-09
popularity: 8
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Beethoven: Fidelio, Op. 72: Overture
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subject of: OpenTimestamps Proof of Existence
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Beethoven: Fidelio, Op. 72, Act 1: "Mir ist so wunderbar" (Marzelline, Leonore, Rocco, Jaquino)
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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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Messiaen: Éclairs sur l'au-delà...: X. Le chemin de l'invisible
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  date published: 2026-07-08T03:53:27Z
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Gershwinicity
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    date published: 2026-07-08T03:53:27Z
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I Loves You Porgy
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Preludes for piano: II. Blue Lullaby
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