Andrew Hill
type: MusicGroup
genre: avant-garde
genre: bebop
genre: free jazz
genre: hard bop
genre: jazz
description: Andrew, Andy or Drew Hill may refer to: Music Andrew Hill (jazz musician) (1931–2007), American jazz pianist and composer Andy Hill (American music producer) (born 1951), American record producer an
popularity: 28
followers: 28117
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x581ceba8c8e345c04faaa21ed879088581b9045b2c68af2427a032134ad1f00a
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/71dacde1-d32b-4e4e-aebf-6d26b1ff8451.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/71dacde1-d32b-4e4e-aebf-6d26b1ff8451.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/71dacde1-d32b-4e4e-aebf-6d26b1ff8451
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x581ceba8c8e345c04faaa21ed879088581b9045b2c68af2427a032134ad1f00a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/71dacde1-d32b-4e4e-aebf-6d26b1ff8451.json and https://artists.proofprofile.net/proofs/artist/71dacde1-d32b-4e4e-aebf-6d26b1ff8451.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: So in Love
  type: MusicAlbum
  date published: 1960-04-13
album: Point Of Departure (The Rudy Van Gelder Edition)
  type: MusicAlbum
  date published: 1964
  track: Refuge - Rudy Van Gelder Edition/1999 Remaster
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    duration: PT12M16S
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    explicit: false
    by artist: Andrew Hill
    in album: Point Of Departure (The Rudy Van Gelder Edition)
      type: MusicAlbum
      date published: 1964
    genre: avant-garde
    genre: bebop
    genre: free jazz
    genre: hard bop
    genre: jazz
    isrc code: USBN29801094
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    additional property: CopyrightStatus
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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/USBN29801094
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    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 0xbba5aadf632d678cbc83b30ddc83d7a74c0dc8a6abb5f6747b4a6917c10f2abe. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USBN29801094.
      date published: 2026-07-02T16:51:38Z
    audio: Refuge - Rudy Van Gelder Edition/1999 Remaster
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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: Liveness
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      additional property: Valence (Positivity)
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  track: Spectrum - Rudy Van Gelder Edition/1999 Remaster
    type: MusicRecording
    duration: PT9M47S
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    explicit: false
    by artist: Andrew Hill
    in album: Point Of Departure (The Rudy Van Gelder Edition)
      type: MusicAlbum
      date published: 1964
    genre: avant-garde
    genre: bebop
    genre: free jazz
    genre: hard bop
    genre: jazz
    isrc code: USBN29801096
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: CopyrightRegisteredAt
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN29801096
    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 0xc5535a7fb5b36f9eac5f82342944c182b10c2ac28a06bb5c485923889c55184f. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USBN29801096.
      date published: 2026-07-05T01:12:41Z
    audio: Spectrum - Rudy Van Gelder Edition/1999 Remaster
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 79.442
      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
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Dedication - Rudy Van Gelder Edition/1999 Remaster
album: Black Fire
album: Judgment (Remastered 2003 / Rudy Van Gelder Edition)
album: Blue Black
album: Strange Serenade
album: Faces Of Hope
album: Spiral
album: Live At Montreux
album: Verona Rag
album: Eternal Spirit
album: But Not Farewell
album: Invitation
album: Divine Revelation
album: Les trinitaires
album: Dusk
album: Grass Roots
album: Lift Every Voice
album: Lift Every Voice (Bonus Track Version)
album: A Beautiful Day
album: Passing Ships
album: Dance With Death
album: The Capitol Vaults Jazz Series
album: Andrew!!! (Remastered 1994)
album: Smoke Stack (Remastered)
album: Pax
album: Time Lines
album: Compulsion
album: Change
album: Solos: The Jazz Sessions (Andrew Hill)
album: 30 Pier Avenue
album: Judgment
album: Black Fire (Remastered) [Bonus Track Version]
album: Gleamy and Glow
album: ANDREW HILL - FOREVER JAZZ HITS
album: Miracle
album: Show Me
album: Trio's Finest
album: A Beautiful Day, Revisited
track: Mira

Energy
type: PropertyValue
value: 0.399

Speechiness
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value: 0.068

Acousticness
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value: 0.775

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.155

Valence (Positivity)
type: PropertyValue
value: 0.142

Loudness (dB)
type: PropertyValue
value: -12.447

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Dedication - Rudy Van Gelder Edition/1999 Remaster
type: MusicRecording
duration: PT6M45S
duration ms: 405213
explicit: false
by artist: Andrew Hill
in album: Point Of Departure (The Rudy Van Gelder Edition)
  type: MusicAlbum
  date published: 1964
genre: avant-garde
genre: bebop
genre: free jazz
genre: hard bop
genre: jazz
isrc code: USBN29801098
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-03T16:19:25+00:00
additional property: CopyrightChainExplorerURL
  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: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
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 0x5877254837439910bc559719913a5b097c40121f2c9c8b220e3198ef27c76386. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USBN29801098.
  date published: 2026-07-03T19:59:51Z
audio: Dedication - Rudy Van Gelder Edition/1999 Remaster
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 102.783
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  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
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.848
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.556
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Black Fire
type: MusicAlbum
date published: 1964-01-01
track: Black Fire
  type: MusicRecording
  duration: PT6M56S
  duration ms: 416036
  explicit: false
  by artist: Andrew Hill
  in album: Black Fire
    type: MusicAlbum
    date published: 1964-01-01
  genre: avant-garde
  genre: bebop
  genre: free jazz
  genre: hard bop
  genre: jazz
  isrc code: USBN20300765
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T05:21:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2a2bba0e7f775db2bb170a96b50edd10ee784f73636f11eb3f1db7f442537a40
  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20300765
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T06:12:52Z
  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 0x2a2bba0e7f775db2bb170a96b50edd10ee784f73636f11eb3f1db7f442537a40. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/USBN20300765.
    date published: 2026-07-21T06:12:52Z
  audio: Black Fire
    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
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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      type: PropertyValue
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    additional property: Valence (Positivity)
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Black Fire
type: MusicAlbum
date published: 1964-01-01

Judgment (Remastered 2003 / Rudy Van Gelder Edition)
type: MusicAlbum
date published: 1964-01-01
track: Siete Ocho - Remastered 2003 / Rudy Van Gelder Edition
  type: MusicRecording
  duration: PT8M58S
  duration ms: 538226
  explicit: false
  by artist: Andrew Hill
  in album: Judgment (Remastered 2003 / Rudy Van Gelder Edition)
    type: MusicAlbum
    date published: 1964-01-01
  genre: avant-garde
  genre: bebop
  genre: free jazz
  genre: hard bop
  genre: jazz
  isrc code: USBN20300159
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T17:27:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2c20c968f69a8c58392611c3bb9382fe1d31f841a3c33460c893c2a12aa0217e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20300159
  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 0x2c20c968f69a8c58392611c3bb9382fe1d31f841a3c33460c893c2a12aa0217e. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/USBN20300159.
    date published: 2026-07-13T18:21:04Z
  audio: Siete Ocho - Remastered 2003 / Rudy Van Gelder Edition
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 109.931
    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
      type: PropertyValue
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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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Blue Black
type: MusicAlbum
date published: 1975

Strange Serenade
type: MusicAlbum
date published: 1980-12-31

Faces Of Hope
type: MusicAlbum
date published: 1980-12-31

Faces Of Hope
type: MusicAlbum
date published: 1980-12-31

Spiral
type: MusicAlbum
date published: 1983-09-30

Live At Montreux
type: MusicAlbum
date published: 1984-12-31

Verona Rag
type: MusicAlbum
date published: 1987-12-31

Verona Rag
type: MusicAlbum
date published: 1987-12-31

Eternal Spirit
type: MusicAlbum
date published: 1989-09-20

But Not Farewell
type: MusicAlbum
date published: 1991-01-01

Invitation
type: MusicAlbum
date published: 1992-01-01

Divine Revelation
type: MusicAlbum
date published: 1994

Divine Revelation
type: MusicAlbum
date published: 1994-01-01

Les trinitaires
type: MusicAlbum
date published: 1998-03-01

Dusk
type: MusicAlbum
date published: 2000

Grass Roots
type: MusicAlbum
date published: 2000-01-01
track: Grass Roots
  type: MusicRecording
  duration: PT5M41S
  duration ms: 341226
  explicit: false
  by artist: Andrew Hill
  in album: Grass Roots
    type: MusicAlbum
    date published: 2000-01-01
  genre: avant-garde
  genre: bebop
  genre: free jazz
  genre: hard bop
  genre: jazz
  isrc code: USBN29900986
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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: 2026-07-16T20:12:32Z
  audio: Grass Roots
    type: AudioObject
    additional property: Tempo (BPM)
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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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track: Mira
  type: MusicRecording
  duration: PT6M20S
  duration ms: 380106
  explicit: false
  by artist: Andrew Hill
  in album: Grass Roots
    type: MusicAlbum
    date published: 2000-01-01
  genre: avant-garde
  genre: bebop
  genre: free jazz
  genre: hard bop
  genre: jazz
  isrc code: USBN29200196
  additional property: CopyrightID
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0x4e58397efdbfe9544e6bc746ffa2783888589cdf60eb8d2d51621dc05807fea2. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/USBN29200196.
    date published: 2026-07-04T10:04:33Z
  audio: Mira
    type: AudioObject
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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: Valence (Positivity)
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    additional property: Loudness (dB)
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Lift Every Voice
type: MusicAlbum
date published: 2001-01-01

Lift Every Voice (Bonus Track Version)
type: MusicAlbum
date published: 2001-01-01

A Beautiful Day
type: MusicAlbum
date published: 2002

Passing Ships
type: MusicAlbum
date published: 2003-10-21
track: Passing Ships
  type: MusicRecording
  duration: PT7M8S
  duration ms: 428026
  explicit: false
  by artist: Andrew Hill
  in album: Passing Ships
    type: MusicAlbum
    date published: 2003-10-21
  genre: avant-garde
  genre: bebop
  genre: free jazz
  genre: hard bop
  genre: jazz
  isrc code: USBN20300536
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T09:11:53Z
  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 0x19a155c5cd425cb1faf6d11ce24949cea901168fdfca871a0bf20005c7c34a1a. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/USBN20300536.
    date published: 2026-07-20T09:11:53Z
  audio: Passing Ships
    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: Danceability
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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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      value: -15.379
    additional property: Key Name
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      value: C
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      type: PropertyValue
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Black Fire
type: MusicAlbum
date published: 2004-01-01
track: Black Fire - Remastered 2003/Rudy Van Gelder Edition
  type: MusicRecording
  duration: PT6M56S
  duration ms: 416120
  explicit: false
  by artist: Andrew Hill
  in album: Black Fire
    type: MusicAlbum
    date published: 2004-01-01
  genre: avant-garde
  genre: bebop
  genre: free jazz
  genre: hard bop
  genre: jazz
  isrc code: USBN20300765
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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  additional property: OTSHash
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    value: 959024
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T15:31:18Z
  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 0x2a2bba0e7f775db2bb170a96b50edd10ee784f73636f11eb3f1db7f442537a40. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/USBN20300765.
    date published: 2026-07-21T15:31:18Z
  audio: Black Fire - Remastered 2003/Rudy Van Gelder Edition
    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: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Land Of Nod - Remastered 2003/Rudy Van Gelder Edition
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348013
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  by artist: Andrew Hill
  in album: Black Fire
    type: MusicAlbum
    date published: 2004-01-01
  genre: avant-garde
  genre: bebop
  genre: free jazz
  genre: hard bop
  genre: jazz
  isrc code: USBN20300769
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0xa8a2814821bd06bd6cc32fdcda796792598e4cb500e482fa2ef0b803dd8bb302. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USBN20300769.
    date published: 2026-07-05T10:01:46Z
  audio: Land Of Nod - Remastered 2003/Rudy Van Gelder Edition
    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
      type: PropertyValue
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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
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.556
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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Dance With Death
type: MusicAlbum
date published: 2004-01-01

The Capitol Vaults Jazz Series
type: MusicAlbum
date published: 2005-01-01
track: Illusion - Remastered
  type: MusicRecording
  duration: PT7M0S
  duration ms: 420333
  explicit: false
  by artist: Andrew Hill
  in album: The Capitol Vaults Jazz Series
    type: MusicAlbum
    date published: 2005-01-01
  genre: avant-garde
  genre: bebop
  genre: free jazz
  genre: hard bop
  genre: jazz
  isrc code: USBN29400552
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  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T11:58:44Z
  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 0x40a58f5819911e79a0f7dc40c6adce0c0c30f44d61c3052bf89d6dce02e87f38. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/USBN29400552.
    date published: 2026-07-18T11:58:44Z
  audio: Illusion - Remastered
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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    additional property: Key Name
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Andrew!!! (Remastered 1994)
type: MusicAlbum
date published: 2005-10-04

Smoke Stack (Remastered)
type: MusicAlbum
date published: 2006-01-01
track: Smoke Stack - Remastered 2003/Rudy Van Gelder Edition
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300400
  explicit: false
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  in album: Smoke Stack (Remastered)
    type: MusicAlbum
    date published: 2006-01-01
  genre: avant-garde
  genre: bebop
  genre: free jazz
  genre: hard bop
  genre: jazz
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: OTSBitcoinBlock
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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
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A Beautiful Day, Revisited
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