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genre: classical-trombone
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album: Holten: Wisdom and Folly and other Choral Works
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  track: Trombone Concerto No. 12, Op. 52: Allegro molto
  track: Concerto Borealis: Allegro ritmico -
  track: Concerto Borealis: Rubato - Andante con moto -
  track: Concerto Borealis: Andante con moto -
  track: Suite, Op. 22: III. Ballade -
  track: Trombone Concerto (1st version): I. Moderato assai ma molto maestoso
  track: Trombone Concerto (1st version): II. Quasi una leggenda: Andante grave
  track: Trombone Concerto (1st version): III. Finale: Maestoso - Rondo
  track: Trombone Concerto No. 12, Op. 52: Allegro moderato -
  track: Concerto Borealis: Molto allegro
  track: Romance, Op. 21
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  track: The Wind in the Willows: II. Ratty and Mole
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Trombone Concerto No. 12, Op. 52: Allegro molto
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Concerto Borealis: Allegro ritmico -
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Concerto Borealis: Rubato - Andante con moto -
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Concerto Borealis: Andante con moto -
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Suite, Op. 22: III. Ballade -
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Suite, Op. 22: III. Ballade -
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Trombone Concerto (1st version): I. Moderato assai ma molto maestoso
type: MusicRecording
duration: PT5M0S
duration ms: 300426
explicit: false
by artist: Launy Grøndahl
by artist: Jesper Juul Sorensen
by artist: Danish National Symphony Orchestra
by artist: Thomas Dausgaard
in album: Holmboe / Grondahl: Trombone Concerto / Hyldgaard: Concerto Borealis / Jorgensen: Romance / Suite
  type: MusicAlbum
  date published: 2006
isrc code: DKFAA0602413
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKFAA0602413
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
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
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe29d47be8b4b20c5de2dd0e3f5b19867e34bb542f1e5cd13ca142f4f1736d454. 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/DKFAA0602413.
  date published: 2026-07-02T03:55:08Z
audio: Trombone Concerto (1st version): I. Moderato assai ma molto maestoso
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Trombone Concerto (1st version): II. Quasi una leggenda: Andante grave
type: MusicRecording
duration: PT5M41S
duration ms: 341053
explicit: false
by artist: Launy Grøndahl
by artist: Jesper Juul Sorensen
by artist: Danish National Symphony Orchestra
by artist: Thomas Dausgaard
in album: Holmboe / Grondahl: Trombone Concerto / Hyldgaard: Concerto Borealis / Jorgensen: Romance / Suite
  type: MusicAlbum
  date published: 2006
isrc code: DKFAA0602414
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-02T03:55:08+00:00
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
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e3584b505ba2060351ff8c354ae49e576c8343f8975024b5ceeb9648073cc2. 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/DKFAA0602414.
  date published: 2026-07-02T11:38:34Z
audio: Trombone Concerto (1st version): II. Quasi una leggenda: Andante grave
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Trombone Concerto (1st version): III. Finale: Maestoso - Rondo
type: MusicRecording
duration: PT5M11S
duration ms: 311133
explicit: false
by artist: Launy Grøndahl
by artist: Jesper Juul Sorensen
by artist: Danish National Symphony Orchestra
by artist: Thomas Dausgaard
in album: Holmboe / Grondahl: Trombone Concerto / Hyldgaard: Concerto Borealis / Jorgensen: Romance / Suite
  type: MusicAlbum
  date published: 2006
isrc code: DKFAA0602415
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKFAA0602415
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b54fc34888497e7c653f119acb97f4f809fd4e28425f230fe92785aa36fe9a. 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/DKFAA0602415.
  date published: 2026-07-02T11:34:59Z
audio: Trombone Concerto (1st version): III. Finale: Maestoso - Rondo
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  additional property: Tempo (BPM)
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Trombone Concerto No. 12, Op. 52: Allegro moderato -
type: MusicRecording
duration: PT5M29S
duration ms: 329906
explicit: false
by artist: Vagn Holmboe
by artist: Jesper Juul Sorensen
by artist: Danish National Symphony Orchestra
by artist: Henrik Vagn Christensen
in album: Holmboe / Grondahl: Trombone Concerto / Hyldgaard: Concerto Borealis / Jorgensen: Romance / Suite
  type: MusicAlbum
  date published: 2006
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fa9cca87e20719d55c1f721a1174296ec3745bbdc8c574e6fc8694196ea8de7. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/DKFAA0602401.
  date published: 2026-07-29T13:09:35Z
audio: Trombone Concerto No. 12, Op. 52: Allegro moderato -
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: 4
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.205
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
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    value: 0.979
  additional property: Instrumentalness
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    value: 0.729
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
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    value: 0.096
  additional property: Loudness (dB)
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    value: -26.2
  additional property: Key Name
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    value: E
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isrc code: DKFAA0602401
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
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

Concerto Borealis: Molto allegro
type: MusicRecording
duration: PT4M40S
duration ms: 280413
explicit: false
by artist: Søren Hyldgaard
by artist: Jesper Juul Sorensen
by artist: Danish National Symphony Orchestra
by artist: Henrik Vagn Christensen
in album: Holmboe / Grondahl: Trombone Concerto / Hyldgaard: Concerto Borealis / Jorgensen: Romance / Suite
  type: MusicAlbum
  date published: 2006
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbb7849e6e56f52dd5f44b811ecc916d5cf5e01a72f7f900b6902c7cda2703ed. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/DKFAA0602407.
  date published: 2026-07-30T08:30:10Z
audio: Concerto Borealis: Molto allegro
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: 8
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
    value: 0.188
  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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    value: 0.913
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.123
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.505
  additional property: Key Name
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isrc code: DKFAA0602407
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: 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

Romance, Op. 21
type: MusicRecording
duration: PT5M42S
duration ms: 342333
explicit: false
by artist: Axel Jørgensen
by artist: Jesper Juul Sorensen
by artist: Danish National Symphony Orchestra
by artist: Henrik Vagn Christensen
in album: Holmboe / Grondahl: Trombone Concerto / Hyldgaard: Concerto Borealis / Jorgensen: Romance / Suite
  type: MusicAlbum
  date published: 2006
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47a820629c41c5a7380194b3de8c89da2e7f7b955a124e99dc78322463a5a21e. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/DKFAA0602408.
  date published: 2026-07-30T10:42:33Z
audio: Romance, Op. 21
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: 8
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.164
  additional property: Energy
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  additional property: Speechiness
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    value: 0.042
  additional property: Acousticness
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    value: 0.987
  additional property: Instrumentalness
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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: 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: 960247
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKFAA0602408
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
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