Sarah Cahill
type: MusicGroup
genre: avant-garde
genre: minimalism
description: Sarah Cahill may refer to: Sarah Cahill (model) (born 1978), American model, actress, and beauty pageant titleholder Sarah Cahill (pianist) (born 1960), American pianist
popularity: 6
followers: 774
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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 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: 2026-06-16T14:18:37Z
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album: Partita for Piano: II. Notturno
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  date published: 2022-10-07
album: Preludio y estudio No. 3 for Piano: Estudio
  type: MusicAlbum
  date published: 2022-09-16
album: The Future is Female, Vol. 3, 'At Play'
  type: MusicAlbum
  date published: 2023-04-28
album: The Future is Female, Vol. 2: The Dance
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  date published: 2022-10-21
  track: Pièces de clavecin, Book 1, Suite No. 1 in D Minor (Excerpts): No. 5, Sarabande
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    by artist: Sarah Cahill
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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: 2026-07-31T19:53:13Z
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  track: Colour Suite (Excerpts): IV. Blue Air
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    by artist: Sarah Cahill
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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: 2026-07-08T03:20:19Z
    audio: Colour Suite (Excerpts): IV. Blue Air
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  track: Peggy’s Minute Rag
album: The Future is Female, Vol. 1
album: Eighty Trips Around the Sun: Music by and for Terry Riley
album: Mamoru Fujieda: Patterns of Plants
album: A Sweeter Music
album: First Life: The Rare Early Works
album: Leo Ornstein: Fantasy and Metaphor
album: Kui Dong: Pangu's Song
album: Byron: Awakening at the Inn of the Birds
album: Crawford -9 Preludes (Cahill)
album: BACEWICZ: Scherzo
album: Žibuoklé Martinaitytė: Heights and Depths of Love: Pt. I: Togetherness
album: Au sein de la nature: III. Le murmure des blés
album: Harrison: Concerto for Piano with Javanese Gamelan
album: After the Wars
album: Gann: Long Night
album: 25 Years of New York New Music
album: Cold Blue Two
album: Time's Memory
album: Chessa: Petrolio
album: Composers Collaborative: Solo Flights
album: 20 Years of Ebb & Flow Arts
album: Want Some Love?
album: Evan Ziporyn: Typical Music
album: Daniel Goode: Annbling
album: Chamber Works
album: Explorations
album: First Life
album: Jerome Kitzke: The Redness of Blood

Acousticness
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Valence (Positivity)
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Loudness (dB)
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Peggy’s Minute Rag
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duration: PT3M35S
duration ms: 215840
explicit: false
by artist: Elena Kats-Chernin
by artist: Sarah Cahill
in album: The Future is Female, Vol. 2: The Dance
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a777e6c4ad00c8cc4642f68b962994c66fa8ac900dd242385b1f51316519ba. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/GBSLT2213214.
  date published: 2026-07-31T15:59:18Z
audio: Peggy’s Minute Rag
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The Future is Female, Vol. 1
type: MusicAlbum
date published: 2022-03-04
track: 4 Lieder for Piano, Op. 8 (Excerpts): No. 1, Allegro moderato, H-U 423
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  genre: early-romantic-era
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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: 2026-07-08T03:22:41Z
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Eighty Trips Around the Sun: Music by and for Terry Riley
type: MusicAlbum
date published: 2017-09-29

Mamoru Fujieda: Patterns of Plants
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date published: 2014-09-16
track: Patterns of Plants, the Twenty-First Collection: Pattern B
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-08-01T02:22:04Z
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  additional property: OTSBitcoinBlockVerifyURL
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    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDPN1400204
  additional property: OTSTimestamp
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    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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5da1ee4ad48f10b5170fa5975565e76fe0c84b2fd83d098e87062a3aa5d986ae. 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/QMDPN1400204.
    date published: 2026-07-08T03:20:19Z
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    additional property: Valence (Positivity)
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A Sweeter Music
type: MusicAlbum
date published: 2013-09-24
track: Steppe Music (excerpts)
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  duration: PT8M1S
  duration ms: 481720
  explicit: false
  by artist: Meredith Monk
  by artist: Sarah Cahill
  in album: A Sweeter Music
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    date published: 2013-09-24
  genre: experimental-vocal
  genre: 21st-century-classical
  genre: american-contemporary-classical
  genre: contemporary-classical
  genre: minimalism
  genre: spectra
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x5355737cadb19f8d8e143b62463a5807a92dc24ccdacd4c847c4e27209ce4741. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2123266.
    date published: 2026-07-31T06:58:00Z
  audio: Steppe Music (excerpts)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Valence (Positivity)
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First Life: The Rare Early Works
type: MusicAlbum
date published: 2009-05-12

Leo Ornstein: Fantasy and Metaphor
type: MusicAlbum
date published: 2008-06-03
track: Metaphor #9
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  duration: PT4M10S
  duration ms: 250440
  explicit: false
  by artist: Sarah Cahill
  in album: Leo Ornstein: Fantasy and Metaphor
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    date published: 2008-06-03
  genre: minimalism
  genre: avant-garde
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US87H0813811
  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 0x8a81081e8dfcf06836251ccb816b65bbcf1c5395bd77bd84fbbd5ad010ece989. 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/US87H0813811.
    date published: 2026-07-08T03:20:19Z
  audio: Metaphor #9
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    additional property: Acousticness
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Kui Dong: Pangu's Song
type: MusicAlbum
date published: 2004-01-01

Byron: Awakening at the Inn of the Birds
type: MusicAlbum
date published: 2003-03-01

Crawford -9 Preludes (Cahill)
type: MusicAlbum
date published: 2001
track: Piano Study In Mixed Accents
  type: MusicRecording
  duration: PT1M17S
  duration ms: 77560
  explicit: false
  by artist: Ruth Crawford
  by artist: Sarah Cahill
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    type: MusicAlbum
    date published: 2001
  isrc code: US87H0110624
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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
    type: DigitalDocument
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    date published: 2026-07-30T17:23:26Z
  audio: Piano Study In Mixed Accents
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    additional property: Valence (Positivity)
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BACEWICZ: Scherzo
type: MusicAlbum
date published: 2023-04-14

Žibuoklé Martinaitytė: Heights and Depths of Love: Pt. I: Togetherness
type: MusicAlbum
date published: 2023-04-07

Au sein de la nature: III. Le murmure des blés
type: MusicAlbum
date published: 2022-02-04
track: Au sein de la nature: III. Le murmure des blés
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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
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
  audio: Au sein de la nature: III. Le murmure des blés
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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: Instrumentalness
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    additional property: Valence (Positivity)
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Harrison: Concerto for Piano with Javanese Gamelan
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date published: 2021-09-27
track: Concerto for Piano with Javanese Gamelan: I. Bull's Belle
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  by artist: Sarah Cahill
  by artist: Evan Ziporyn
  by artist: Gamelan Galak Tika
  by artist: Jody Diamond
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    date published: 2021-09-27
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6a0574284aca3073d7b1f7d74a017e5692b8e10681fc8a7a346ed13a71ec15. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/USA2Z2100939.
    date published: 2026-07-31T20:22:46Z
  audio: Concerto for Piano with Javanese Gamelan: I. Bull's Belle
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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After the Wars
type: MusicAlbum
date published: 2015-10-01

Gann: Long Night
type: MusicAlbum
date published: 2005-04-01

25 Years of New York New Music
type: MusicAlbum
date published: 2010-09-28
track: Night and Dawn (Nacht en Dageraad): Dawn
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  duration: PT2M45S
  duration ms: 165773
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  by artist: Royal Concertgebouw Orchestra
  by artist: Ivan Meylemans
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    date published: 2010-09-28
  popularity: 3
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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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Cold Blue Two
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date published: 2012-10-01

Time's Memory
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Chessa: Petrolio
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Composers Collaborative: Solo Flights
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20 Years of Ebb & Flow Arts
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date published: 2019-01-30

Want Some Love?
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date published: 2019-10-24

Evan Ziporyn: Typical Music
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date published: 2005-12-07

Daniel Goode: Annbling
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date published: 2014-01-07

Chamber Works
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date published: 2004-06-01

Explorations
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date published: 2017-01-17

First Life
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date published: 2009-05-12

Jerome Kitzke: The Redness of Blood
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date published: 2021-11-10