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album: Hurlstone: Piano Concerto, Variations on a Swedish Air, Piano Quartet & Piano Trio
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album: Purcell: Ten Sonatas on Four Parts Z. 802-811, Harpsichord Suites Nos. 5 & 6, Trio Sonata in G Minor, Z. 780 (2023 Remastered Edition)
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-29T11:07:37Z
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album: Purcell: Twelve Sonatas in Three Parts, Z. 790-801
album: Handel for the Holidays
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  date published: 2026-07-31T04:14:58Z
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Handel for the Holidays
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  subject of: OpenTimestamps Proof of Existence
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track: Oboe Concerto No. 1 in B flat, HWV 301: 4. Vivace
track: Oboe Concerto No. 2 in B-Flat Major, HWV 302a: 1. Vivace
track: Oboe Concerto No. 2 in B-Flat Major, HWV 302a: 2. Fuga (Allegro)
track: Oboe Concerto No. 2 in B-Flat Major, HWV 302a: 3. Andante
track: Oboe Concerto No. 2 in B flat, HWV 302a: 4. Allegro
track: Oboe Concerto No. 3 in G minor, HWV 287: 1. Grave
track: Oboe Concerto No. 3 in G minor, HWV 287: 2. Allegro
track: Oboe Concerto No. 3 in G minor, HWV 287: 3. Sarabande (Largo)
track: Oboe Concerto No. 3 in G minor, HWV 287: 4. Allegro
track: Concerto grosso in G, Op. 3, No. 3: 1. Largo e staccato
track: Concerto grosso in G, Op. 3, No. 3: 2. Allegro
track: Concerto grosso in G, Op. 3, No. 3: 3. Adagio
track: Concerto grosso in G, Op. 3, No. 3: 4. Allegro
track: Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 1. Andante
track: Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 2. Adagio
track: Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 3. Allegro
track: Concerto grosso in C, HWV 318 "Alexander's Feast": 1. Allegro
track: Concerto grosso in C, HWV 318 "Alexander's Feast": 2. Largo - Adagio
track: Concerto grosso in C, HWV 318 "Alexander's Feast": 3. Allegro - Adagio
track: Concerto grosso in C, HWV 318 "Alexander's Feast": 4. Andante non presto
track: Overture in D, HWV 337/338
track: Hornpipe in D, HWV 356

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Oboe Concerto No. 1 in B flat, HWV 301: 4. Vivace
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Oboe Concerto No. 2 in B-Flat Major, HWV 302a: 1. Vivace
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Oboe Concerto No. 2 in B-Flat Major, HWV 302a: 2. Fuga (Allegro)
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Oboe Concerto No. 2 in B-Flat Major, HWV 302a: 3. Andante
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Oboe Concerto No. 2 in B flat, HWV 302a: 4. Allegro
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Oboe Concerto No. 3 in G minor, HWV 287: 1. Grave
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duration: PT3M11S
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by artist: George Frideric Handel
by artist: Heinz Holliger
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 6
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T06:39:12Z
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Oboe Concerto No. 3 in G minor, HWV 287: 2. Allegro
type: MusicRecording
duration: PT1M52S
duration ms: 112000
explicit: false
by artist: George Frideric Handel
by artist: Heinz Holliger
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 7
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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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: Oboe Concerto No. 3 in G minor, HWV 287: 2. Allegro
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Oboe Concerto No. 3 in G minor, HWV 287: 3. Sarabande (Largo)
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duration: PT2M50S
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explicit: false
by artist: George Frideric Handel
by artist: Heinz Holliger
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 10
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Oboe Concerto No. 3 in G minor, HWV 287: 3. Sarabande (Largo)
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Oboe Concerto No. 3 in G minor, HWV 287: 4. Allegro
type: MusicRecording
duration: PT2M7S
duration ms: 127000
explicit: false
by artist: George Frideric Handel
by artist: Heinz Holliger
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
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  date published: 1971-01-01
popularity: 5
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
audio: Oboe Concerto No. 3 in G minor, HWV 287: 4. Allegro
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Concerto grosso in G, Op. 3, No. 3: 1. Largo e staccato
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duration: PT0M52S
duration ms: 52333
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by artist: George Frideric Handel
by artist: Heinz Holliger
by artist: Kenneth Sillito
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100432
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto grosso in G, Op. 3, No. 3: 1. Largo e staccato
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Concerto grosso in G, Op. 3, No. 3: 2. Allegro
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duration: PT2M43S
duration ms: 163666
explicit: false
by artist: George Frideric Handel
by artist: Heinz Holliger
by artist: Kenneth Sillito
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100433
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: Concerto grosso in G, Op. 3, No. 3: 2. Allegro
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Concerto grosso in G, Op. 3, No. 3: 3. Adagio
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duration: PT1M38S
duration ms: 98000
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by artist: Heinz Holliger
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by artist: English Chamber Orchestra
by artist: Raymond Leppard
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  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
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genre: baroque
genre: english-baroque
genre: german-baroque
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100434
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf057d76202fe00d8382436b62974eacea732e26b1fef0e36171b3c2cb9d91176. 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/NLA507100434.
  date published: 2026-07-08T03:20:19Z
audio: Concerto grosso in G, Op. 3, No. 3: 3. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.037
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.099
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.691
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.931
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.268
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Concerto grosso in G, Op. 3, No. 3: 4. Allegro
type: MusicRecording
duration: PT3M17S
duration ms: 197000
explicit: false
by artist: George Frideric Handel
by artist: Heinz Holliger
by artist: Kenneth Sillito
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100435
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:47:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e9bf198f62fbb022d573a06a926221fede89d0f395e2dbff717fb6be99de1cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100435
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e9bf198f62fbb022d573a06a926221fede89d0f395e2dbff717fb6be99de1cf. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NLA507100435.
  date published: 2026-07-31T13:04:34Z
audio: Concerto grosso in G, Op. 3, No. 3: 4. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 156.356
  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: 0.41
  additional property: Energy
    type: PropertyValue
    value: 0.247
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.875
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.844
  additional property: Liveness
    type: PropertyValue
    value: 0.427
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.644
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.202
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 1. Andante
type: MusicRecording
duration: PT5M5S
duration ms: 305000
explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 3
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100436
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:04:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb2129723a7d4ae34f280cc5ef95b2b5622a78fe2e72453bd331c7d270319f1c
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/NLA507100436
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb2129723a7d4ae34f280cc5ef95b2b5622a78fe2e72453bd331c7d270319f1c. 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/NLA507100436.
  date published: 2026-07-08T03:20:19Z
audio: Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 1. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.304
  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: 0.128
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.077
  additional property: Liveness
    type: PropertyValue
    value: 0.281
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.16
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.828
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 2. Adagio
type: MusicRecording
duration: PT2M29S
duration ms: 149000
explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 3
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100437
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:43:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89f3469170a86f01c9d2ceccc5d9954318ba2bdb50f43f9a9984a85a3bebde8c
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/NLA507100437
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89f3469170a86f01c9d2ceccc5d9954318ba2bdb50f43f9a9984a85a3bebde8c. 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/NLA507100437.
  date published: 2026-07-08T03:20:19Z
audio: Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 2. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.966
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.112
  additional property: Energy
    type: PropertyValue
    value: 0.117
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.848
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.523
  additional property: Liveness
    type: PropertyValue
    value: 0.241
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.004
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 3. Allegro
type: MusicRecording
duration: PT3M56S
duration ms: 236000
explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 5
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100438
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T12:20:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03b1a9b0a500849fb645a6575d23a39c06f390b8f26d0af6c9a323feaf299682
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960106
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960106
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100438
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T12:41:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03b1a9b0a500849fb645a6575d23a39c06f390b8f26d0af6c9a323feaf299682. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100438.
  date published: 2026-07-29T12:41:21Z
audio: Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 3. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.331
  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: 0.545
  additional property: Energy
    type: PropertyValue
    value: 0.297
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.174
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.741
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.262
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto grosso in C, HWV 318 "Alexander's Feast": 1. Allegro
type: MusicRecording
duration: PT3M31S
duration ms: 211000
explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: Neil Black
by artist: John Tunnell
by artist: Kenneth Heath
by artist: James Brown
by artist: Leslie Pearson
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:26:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3feb4131f3d5401c5cbf64f062d4af22a6a3147d62010ff4e7628218b4a67793
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/NLA507100308
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3feb4131f3d5401c5cbf64f062d4af22a6a3147d62010ff4e7628218b4a67793. 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/NLA507100308.
  date published: 2026-07-08T03:20:19Z
audio: Concerto grosso in C, HWV 318 "Alexander's Feast": 1. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.096
  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: 0.652
  additional property: Energy
    type: PropertyValue
    value: 0.231
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.907
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.853
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.769
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.786
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto grosso in C, HWV 318 "Alexander's Feast": 2. Largo - Adagio
type: MusicRecording
duration: PT2M5S
duration ms: 125000
explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: Neil Black
by artist: John Tunnell
by artist: Kenneth Heath
by artist: James Brown
by artist: Leslie Pearson
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 3
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:11:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3cbe6317e866d52d1f1fbc3482b64d1349d069da2787e7245acf78ad5360e3b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100309
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Concerto grosso in C, HWV 318 "Alexander's Feast": 2. Largo - Adagio
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Concerto grosso in C, HWV 318 "Alexander's Feast": 3. Allegro - Adagio
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duration: PT3M28S
duration ms: 208000
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by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: Neil Black
by artist: John Tunnell
by artist: Kenneth Heath
by artist: James Brown
by artist: Leslie Pearson
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
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  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Concerto grosso in C, HWV 318 "Alexander's Feast": 3. Allegro - Adagio
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Concerto grosso in C, HWV 318 "Alexander's Feast": 4. Andante non presto
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duration: PT3M32S
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explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: Neil Black
by artist: John Tunnell
by artist: Kenneth Heath
by artist: James Brown
by artist: Leslie Pearson
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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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: 2026-07-31T20:22:46Z
audio: Concerto grosso in C, HWV 318 "Alexander's Feast": 4. Andante non presto
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Overture in D, HWV 337/338
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explicit: false
by artist: George Frideric Handel
by artist: Richard Adeney
by artist: James Tyler
by artist: Kenneth Sillito
by artist: Neil Black
by artist: James Brown
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100312
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: 2026-07-31T12:24:41Z
audio: Overture in D, HWV 337/338
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Hornpipe in D, HWV 356
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duration: PT1M43S
duration ms: 103000
explicit: false
by artist: George Frideric Handel
by artist: Leslie Pearson
by artist: Neil Black
by artist: James Brown
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100313
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T12:24:41Z
audio: Hornpipe in D, HWV 356
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Pinchas Zukerman Plays Vivaldi
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date published: 1973
track: The Four Seasons - Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": I. Allegro non moto
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  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T17:23:26Z
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track: The Four Seasons - Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": II. Adagio - Presto
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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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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Concerto for Violin, Strings and Harpsichord in D Major, RV 209: I. Allegro
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Concerto for Violin, Strings and Harpsichord in D Major, RV 209: II. Lento
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960183
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJU8400016
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T01:10:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5f7e61e9ed17f548d9da07207a761799e51dc3470ea3ced24b61ae40ce9b68b. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJU8400016.
    date published: 2026-07-30T01:10:20Z
  audio: Concerto for Oboe and Violin in C Minor, BWV 1060: I. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.681
    additional property: Liveness
      type: PropertyValue
      value: 0.393
    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -22.25
    additional property: Key Name
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    additional property: Mode Name
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track: Concerto for Oboe and Violin in C Minor, BWV 1060: III. Allegro assai
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216000
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  by artist: Johann Sebastian Bach
  by artist: Oscar Shumsky
  by artist: Robert Miller
  by artist: Scottish Chamber Orchestra
  in album: Johann Sebastian Bach: Orchestral Favourites, Vol. XV
    type: MusicAlbum
    date published: 1996-01-01
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: GBAJU8400018
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T04:19:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd5b8014fa5f145687f4520fd01cc5553f286a56fe1a04d3e9d50cf7d6082b82f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJU8400018
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5b8014fa5f145687f4520fd01cc5553f286a56fe1a04d3e9d50cf7d6082b82f. 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/GBAJU8400018.
    date published: 2026-07-08T03:20:19Z
  audio: Concerto for Oboe and Violin in C Minor, BWV 1060: III. Allegro assai
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Concerto for Two Violins in D Minor, BWV 1043: II. Largo ma non tanto
  type: MusicRecording
  duration: PT6M30S
  duration ms: 390000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Oscar Shumsky
  by artist: John Tunnell
  by artist: Scottish Chamber Orchestra
  in album: Johann Sebastian Bach: Orchestral Favourites, Vol. XV
    type: MusicAlbum
    date published: 1996-01-01
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: GBAJU8400023
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Concerto for Two Violins in D Minor, BWV 1043: II. Largo ma non tanto

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xdf604e9c7d2acc303e58342a1679fb35d8e66d0b1a22b5aa92574a1cd7aa05f4

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960264

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960264

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJU8400023

OTSTimestamp
type: PropertyValue
value: 2026-07-30T14:36:16Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf604e9c7d2acc303e58342a1679fb35d8e66d0b1a22b5aa92574a1cd7aa05f4. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBAJU8400023.
date published: 2026-07-30T14:36:16Z

Concerto for Two Violins in D Minor, BWV 1043: II. Largo ma non tanto
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
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
  type: PropertyValue
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additional property: Instrumentalness
  type: PropertyValue
  value: 0.075
additional property: Liveness
  type: PropertyValue
  value: 0.227
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.307
additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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The Very Best of English Song
type: MusicAlbum
date published: 2012-03-05
track: My Own Country - 2001 Remastered Version
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153973
  explicit: false
  by artist: Peter Warlock
  by artist: Anthony Rolfe Johnson
  by artist: David Willison
  in album: The Very Best of English Song
    type: MusicAlbum
    date published: 2012-03-05
  popularity: 0
  isrc code: GBPFW0700096
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2a89f43d62c21a3d0e8dd2c54368c1e8cb674172b89ab1a2a3f46bfdcd95a5ae
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  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/GBPFW0700096
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a89f43d62c21a3d0e8dd2c54368c1e8cb674172b89ab1a2a3f46bfdcd95a5ae. 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/GBPFW0700096.
    date published: 2026-07-08T03:22:41Z
  audio: My Own Country - 2001 Remastered Version
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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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
      type: PropertyValue
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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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track: Come away, death, Op. 6 No. 1
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181746
  explicit: false
  by artist: Roger Quilter
  by artist: Ian Bostridge
  by artist: Julius Drake
  in album: The Very Best of English Song
    type: MusicAlbum
    date published: 2012-03-05
  popularity: 0
  isrc code: GBAYC9901884
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    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/GBAYC9901884
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbd9b8fb4d63a4208466ad76e0a4a7973d473702bdbe2e21108acc57101c14d. 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/GBAYC9901884.
    date published: 2026-07-08T03:20:19Z
  audio: Come away, death, Op. 6 No. 1
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      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)
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