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type: MusicGroup
genre: bossa nova
genre: brazilian jazz
genre: cool jazz
genre: hard bop
genre: jazz
genre: latin jazz
genre: soul jazz
description: Ike Abrams Quebec (August 17, 1918January 16, 1963) was an American jazz tenor saxophonist. He began his career in the big band era of the 1940s, then fell from prominence for a time until launching a
popularity: 46
followers: 25938
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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: 2026-06-12T19:24:56Z
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album: That Old Black Magic
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  date published: 1960-01-01
album: It Might As Well Be Spring
  type: MusicAlbum
  date published: 1961
  track: A Light Reprieve - Rudy Van Gelder Edition/2006 Digital Remaster
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      type: MusicAlbum
      date published: 1961
    genre: bossa nova
    genre: brazilian jazz
    genre: cool jazz
    genre: hard bop
    genre: jazz
    genre: latin jazz
    genre: soul jazz
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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: 2026-07-22T05:29:55Z
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    genre: hard bop
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    genre: latin jazz
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-18T04:29:42Z
    audio: Easy, Don't Hurt - Rudy Van Gelder Edition/2006 Digital Remaster
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  track: Lover Man - Rudy Van Gelder Edition/2006 Digital Remaster
  track: Willow Weep For Me - Rudy Van Gelder Edition/2006 Digital Remaster
album: Nature Boy
album: Minor Impulse
album: Heavy Soul (Remastered 2004/Rudy Van Gelder Edition)
album: Easy Living
album: The Complete 45 Sessions (Remastered 2025)
album: Blue And Sentimental
album: Bossa Nova Soul Samba
album: Ballads
album: The Complete 45 Sessions
album: Blue And Sentimental (Remastered)
album: Bossa Nova Soul Samba (Rudy Van Gelder Edition)
album: Hard Tack, Vol. 2
album: Complete Jazz Series 1944 - 1946
album: The Very Best of Ike Quebec
album: Don't Take Your Love From Me
album: Jazz Masters
album: The Day You Came Along
album: Bossa Nova Soul Samba (Original Album- Remastered)
album: Blue & Sentimental
album: Count Every Star
album: Blue Harlem
album: Blue And Sentimental / It Might As Well Be Spring/Soul Samba
album: The Complete Blue Note 45 Sessions, Vol. 1, Vol. 2
album: Ike Quebec: Blues For Charlie
album: Ike Quebec: Only the Best (Original Recordings Digitally Remastered)
album: The Very Best of Ike Quebec (Original Recordings Digitally Remastered)
album: 50 Ike Quebec's Classics (Original Recordings Digitally Remastered)
album: Blue Harlem, Vol. 1
album: The Day You Came Along, Vol. 1
album: The Day You Came Along, Vol. 2
album: Blue Harlem, Vol. 2
album: Bossa Nova Soul Samba (Original Bossa Nova Album Plus Bonus Tracks 1962)
album: Bossa Nova Soul Samba (Bossa Nova Jazz)
album: Bossa Nova Soul Samba (Jazz Club Collection)
album: Soul Samba
album: Mad About You, Vol. 1
album: Favela
album: Congo Lament
album: Teatime With
album: Blue and Sentimental
album: It Might as Well Be Spring
album: Heavy Soul
album: Four Classic Albums (Blue and Sentimental / It Might as Well Be Spring / Heavy Soul / Bossa Nova Soul Samba) (Digitally Remastered)
track: Loie
track: Shu Shu
track: Blues For Charlie
track: Jim Dawgs
track: Blue Samba - Remastered
track: Favela - Remastered
track: Congo Lament

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Lover Man - Rudy Van Gelder Edition/2006 Digital Remaster
type: MusicRecording
duration: PT5M53S
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by artist: Ike Quebec
in album: It Might As Well Be Spring
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  date published: 1961
genre: bossa nova
genre: brazilian jazz
genre: cool jazz
genre: hard bop
genre: jazz
genre: latin jazz
genre: soul jazz
isrc code: USBN20600162
additional property: CopyrightID
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65b43ca205db1e2240d7ce76b725ba631aeff94866a35a2beccca03386d4935. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/USBN20600162.
  date published: 2026-07-18T03:34:53Z
audio: Lover Man - Rudy Van Gelder Edition/2006 Digital Remaster
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Willow Weep For Me - Rudy Van Gelder Edition/2006 Digital Remaster
type: MusicRecording
duration: PT5M19S
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by artist: Ike Quebec
in album: It Might As Well Be Spring
  type: MusicAlbum
  date published: 1961
genre: bossa nova
genre: brazilian jazz
genre: cool jazz
genre: hard bop
genre: jazz
genre: latin jazz
genre: soul jazz
isrc code: USBN20600163
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T02:01:41Z
audio: Willow Weep For Me - Rudy Van Gelder Edition/2006 Digital Remaster
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Nature Boy
type: MusicAlbum
date published: 1961

Minor Impulse
type: MusicAlbum
date published: 1961-01-01

Heavy Soul (Remastered 2004/Rudy Van Gelder Edition)
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date published: 1962-03-01
track: Acquitted - Remastered 2004/Rudy Van Gelder Edition
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    date published: 1962-03-01
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T19:59:51Z
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.138
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Que's Dilemma - Remastered 2004/Rudy Van Gelder Edition
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269493
  explicit: false
  by artist: Ike Quebec
  in album: Heavy Soul (Remastered 2004/Rudy Van Gelder Edition)
    type: MusicAlbum
    date published: 1962-03-01
  genre: bossa nova
  genre: brazilian jazz
  genre: cool jazz
  genre: hard bop
  genre: jazz
  genre: latin jazz
  genre: soul jazz
  isrc code: USBN20400535
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T10:26:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1fad5fa67cbd8b3989407c1d1ea58694466a3a5a11d524f09c3ed573c3a3d2db
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956637
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956637
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20400535
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:56:23Z
  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 0x1fad5fa67cbd8b3989407c1d1ea58694466a3a5a11d524f09c3ed573c3a3d2db. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/USBN20400535.
    date published: 2026-07-04T10:56:23Z
  audio: Que's Dilemma - Remastered 2004/Rudy Van Gelder Edition
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.809
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.661
    additional property: Energy
      type: PropertyValue
      value: 0.416
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.344
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.322
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.633
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.253
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Brother Can You Spare A Dime - Remastered 2004/Rudy Van Gelder Edition
  type: MusicRecording
  duration: PT5M28S
  duration ms: 328053
  explicit: false
  by artist: Ike Quebec
  in album: Heavy Soul (Remastered 2004/Rudy Van Gelder Edition)
    type: MusicAlbum
    date published: 1962-03-01
  genre: bossa nova
  genre: brazilian jazz
  genre: cool jazz
  genre: hard bop
  genre: jazz
  genre: latin jazz
  genre: soul jazz
  isrc code: USBN20400536
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Brother Can You Spare A Dime - Remastered 2004/Rudy Van Gelder Edition
track: The Man I Love - Remastered 2004/Rudy Van Gelder Edition
track: I Want A Little Girl - Remastered 2004/Rudy Van Gelder Edition

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-16T06:15:29+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x516993595a73eec0988a27975f8da3a8967f6827bb8beb26923bdd5cddbc8c62

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958256

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958256

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20400536

OTSTimestamp
type: PropertyValue
value: 2026-07-16T07:22:18Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516993595a73eec0988a27975f8da3a8967f6827bb8beb26923bdd5cddbc8c62. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USBN20400536.
date published: 2026-07-16T07:22:18Z

Brother Can You Spare A Dime - Remastered 2004/Rudy Van Gelder Edition
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 104.544
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.51
additional property: Energy
  type: PropertyValue
  value: 0.275
additional property: Speechiness
  type: PropertyValue
  value: 0.047
additional property: Acousticness
  type: PropertyValue
  value: 0.811
additional property: Instrumentalness
  type: PropertyValue
  value: 0.34
additional property: Liveness
  type: PropertyValue
  value: 0.129
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.278
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.042
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Minor

The Man I Love - Remastered 2004/Rudy Van Gelder Edition
type: MusicRecording
duration: PT6M31S
duration ms: 391066
explicit: false
by artist: Ike Quebec
in album: Heavy Soul (Remastered 2004/Rudy Van Gelder Edition)
  type: MusicAlbum
  date published: 1962-03-01
genre: bossa nova
genre: brazilian jazz
genre: cool jazz
genre: hard bop
genre: jazz
genre: latin jazz
genre: soul jazz
isrc code: USBN20400537
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T10:22:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9e49d3920ba77c0ba737c856ffd4a3b1e45ae51f10340e47a511134a212a7af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958720
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958720
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20400537
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T10:53:46Z
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 0xf9e49d3920ba77c0ba737c856ffd4a3b1e45ae51f10340e47a511134a212a7af. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/USBN20400537.
  date published: 2026-07-19T10:53:46Z
audio: The Man I Love - Remastered 2004/Rudy Van Gelder Edition
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.91
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.43
  additional property: Energy
    type: PropertyValue
    value: 0.313
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.82
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.137
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.39
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.224
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

I Want A Little Girl - Remastered 2004/Rudy Van Gelder Edition
type: MusicRecording
duration: PT5M22S
duration ms: 322293
explicit: false
by artist: Ike Quebec
in album: Heavy Soul (Remastered 2004/Rudy Van Gelder Edition)
  type: MusicAlbum
  date published: 1962-03-01
genre: bossa nova
genre: brazilian jazz
genre: cool jazz
genre: hard bop
genre: jazz
genre: latin jazz
genre: soul jazz
isrc code: USBN20400539
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T18:47:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d5bcaadf04d1544859373b491b30c87d75be8be643cc756cfda17de4915ef65
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958444
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958444
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20400539
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:12:23Z
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 0x1d5bcaadf04d1544859373b491b30c87d75be8be643cc756cfda17de4915ef65. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USBN20400539.
  date published: 2026-07-17T19:12:23Z
audio: I Want A Little Girl - Remastered 2004/Rudy Van Gelder Edition
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.188
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.535
  additional property: Energy
    type: PropertyValue
    value: 0.228
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.893
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.507
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.257
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.887
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Easy Living
type: MusicAlbum
date published: 1987-01-01
track: Congo Lament
  type: MusicRecording
  duration: PT6M53S
  duration ms: 413866
  explicit: false
  by artist: Ike Quebec
  in album: Easy Living
    type: MusicAlbum
    date published: 1987-01-01
  genre: bossa nova
  genre: brazilian jazz
  genre: cool jazz
  genre: hard bop
  genre: jazz
  genre: latin jazz
  genre: soul jazz
  isrc code: USBN21000874
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T13:20:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf6cb9caa2ecc0f4e2d267a48f3832569c52da082ca07d0be565cef27f5b750e2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958558
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958558
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN21000874
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T13:44:16Z
  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 0xf6cb9caa2ecc0f4e2d267a48f3832569c52da082ca07d0be565cef27f5b750e2. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN21000874.
    date published: 2026-07-18T13:44:16Z
  audio: Congo Lament
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.733
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.583
    additional property: Energy
      type: PropertyValue
      value: 0.18
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.883
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.003
    additional property: Liveness
      type: PropertyValue
      value: 0.174
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.535
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.137
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Que's Pills
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339933
  explicit: false
  by artist: Ike Quebec
  in album: Easy Living
    type: MusicAlbum
    date published: 1987-01-01
  genre: bossa nova
  genre: brazilian jazz
  genre: cool jazz
  genre: hard bop
  genre: jazz
  genre: latin jazz
  genre: soul jazz
  isrc code: USBN21000868
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T10:10:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x20613d0e0638cc10d0e9efcd50753a69907c803f752644ac420b6fd0cec0dda7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956637
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956637
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN21000868
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:56:23Z
  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 0x20613d0e0638cc10d0e9efcd50753a69907c803f752644ac420b6fd0cec0dda7. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/USBN21000868.
    date published: 2026-07-04T10:56:23Z
  audio: Que's Pills
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 190.756
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.525
    additional property: Energy
      type: PropertyValue
      value: 0.306
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.745
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.167
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.712
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.996
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: I've Got A Crush On You
  type: MusicRecording
  duration: PT6M52S
  duration ms: 412360
  explicit: false
  by artist: Ike Quebec
  in album: Easy Living
    type: MusicAlbum
    date published: 1987-01-01
  genre: bossa nova
  genre: brazilian jazz
  genre: cool jazz
  genre: hard bop
  genre: jazz
  genre: latin jazz
  genre: soul jazz
  isrc code: USBN29900288
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: I've Got A Crush On You
track: Easy Living

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-22T00:33:46+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x2aebd08505fe399e9574c5c58f6d063d0eb5825451ee8e9851b25d8f846dd99d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 959084

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/959084

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN29900288

OTSTimestamp
type: PropertyValue
value: 2026-07-22T00:50:00Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aebd08505fe399e9574c5c58f6d063d0eb5825451ee8e9851b25d8f846dd99d. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/USBN29900288.
date published: 2026-07-22T00:50:00Z

I've Got A Crush On You
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 96.714
additional property: Musical Key
  type: PropertyValue
  value: 3
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.503
additional property: Energy
  type: PropertyValue
  value: 0.057
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.975
additional property: Instrumentalness
  type: PropertyValue
  value: 0.418
additional property: Liveness
  type: PropertyValue
  value: 0.108
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.278
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.313
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

Easy Living
type: MusicRecording
duration: PT5M0S
duration ms: 300933
explicit: false
by artist: Ike Quebec
in album: Easy Living
  type: MusicAlbum
  date published: 1987-01-01
genre: bossa nova
genre: brazilian jazz
genre: cool jazz
genre: hard bop
genre: jazz
genre: latin jazz
genre: soul jazz
isrc code: USBN26200379
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T23:14:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa783bd3378591e872540f2536be786bb8df4d0a49913a7b01adf59cc142d4dd4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN26200379
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 0xa783bd3378591e872540f2536be786bb8df4d0a49913a7b01adf59cc142d4dd4. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USBN26200379.
  date published: 2026-07-06T01:25:57Z
audio: Easy Living
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.009
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.605
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.09
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.429
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.819
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Complete 45 Sessions (Remastered 2025)
type: MusicAlbum
date published: 1987-02-01

Blue And Sentimental
type: MusicAlbum
date published: 1988

Bossa Nova Soul Samba
type: MusicAlbum
date published: 1996-01-01

Ballads
type: MusicAlbum
date published: 1997-01-01

It Might As Well Be Spring
type: MusicAlbum
date published: 1998-01-01

The Complete 45 Sessions
type: MusicAlbum
date published: 2005-01-01
track: Blue Monday - 2000 Digital Remaster
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305693
  explicit: false
  by artist: Ike Quebec
  in album: The Complete 45 Sessions
    type: MusicAlbum
    date published: 2005-01-01
  genre: bossa nova
  genre: brazilian jazz
  genre: cool jazz
  genre: hard bop
  genre: jazz
  genre: latin jazz
  genre: soul jazz
  isrc code: USBN29901027
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T23:50:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf1b46b90e68f29a889a435c4c2fcd37e965ba922039578153d7bc397787cbf6e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN29901027
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xf1b46b90e68f29a889a435c4c2fcd37e965ba922039578153d7bc397787cbf6e. 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/USBN29901027.
    date published: 2026-07-05T01:12:41Z
  audio: Blue Monday - 2000 Digital Remaster
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 81.508
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 1
    additional property: Danceability
      type: PropertyValue
      value: 0.363
    additional property: Energy
      type: PropertyValue
      value: 0.108
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.909
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.577
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.192
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.856
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Blue And Sentimental (Remastered)
type: MusicAlbum
date published: 2007-01-01
track: Minor Impulse - Remastered 2007/Rudy Van Gelder Edition
  type: MusicRecording
  duration: PT6M33S
  duration ms: 393773
  explicit: false
  by artist: Ike Quebec
  in album: Blue And Sentimental (Remastered)
    type: MusicAlbum
    date published: 2007-01-01
  genre: bossa nova
  genre: brazilian jazz
  genre: cool jazz
  genre: hard bop
  genre: jazz
  genre: latin jazz
  genre: soul jazz
  isrc code: USBN20700902
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T10:11:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd15e567ce742d7fa6d6baf020bf29c1d6d430e1c2eac4b21be01aab1a90eca2e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957851
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957851
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20700902
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T11:26:33Z
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd15e567ce742d7fa6d6baf020bf29c1d6d430e1c2eac4b21be01aab1a90eca2e. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/USBN20700902.
    date published: 2026-07-13T11:26:33Z
  audio: Minor Impulse - Remastered 2007/Rudy Van Gelder Edition
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.674
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.537
    additional property: Energy
      type: PropertyValue
      value: 0.401
    additional property: Speechiness
      type: PropertyValue
      value: 0.06
    additional property: Acousticness
      type: PropertyValue
      value: 0.64
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.603
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.483
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.139
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Like - Remastered 2007/Rudy Van Gelder Edition
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321173
  explicit: false
  by artist: Ike Quebec
  in album: Blue And Sentimental (Remastered)
    type: MusicAlbum
    date published: 2007-01-01
  genre: bossa nova
  genre: brazilian jazz
  genre: cool jazz
  genre: hard bop
  genre: jazz
  genre: latin jazz
  genre: soul jazz
  isrc code: USBN20700905
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T22:54:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa09d935cf6042900a0bbc7274b88e9cdfa3488f4c898f3fdbbb3fbc913388126
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20700905
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09d935cf6042900a0bbc7274b88e9cdfa3488f4c898f3fdbbb3fbc913388126. 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/USBN20700905.
    date published: 2026-07-04T10:04:33Z
  audio: Like - Remastered 2007/Rudy Van Gelder Edition
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.117
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.686
    additional property: Energy
      type: PropertyValue
      value: 0.595
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.736
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.031
    additional property: Liveness
      type: PropertyValue
      value: 0.145
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.761
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.756
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Count Every Star - Remastered 2007/Rudy Van Gelder Edition
  type: MusicRecording
  duration: PT6M17S
  duration ms: 377800
  explicit: false
  by artist: Ike Quebec
  in album: Blue And Sentimental (Remastered)
    type: MusicAlbum
    date published: 2007-01-01
  genre: bossa nova
  genre: brazilian jazz
  genre: cool jazz
  genre: hard bop
  genre: jazz
  genre: latin jazz
  genre: soul jazz
  isrc code: USBN20700906
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Count Every Star - Remastered 2007/Rudy Van Gelder Edition
track: That Old Black Magic - Rudy Van Gelder Edition
track: It's All Right With Me - Rudy Van Gelder Edition

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-03T05:24:26+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xda81fb644bed20fb33dbf5ef041cf8622ba63cdfd7cc67c249ea439c31f9174e

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956474

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956474

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20700906

OTSTimestamp
type: PropertyValue
value: 2026-07-03T08:56:35Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda81fb644bed20fb33dbf5ef041cf8622ba63cdfd7cc67c249ea439c31f9174e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USBN20700906.
date published: 2026-07-03T08:56:35Z

Count Every Star - Remastered 2007/Rudy Van Gelder Edition
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 63.473
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.629
additional property: Energy
  type: PropertyValue
  value: 0.215
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.969
additional property: Instrumentalness
  type: PropertyValue
  value: 0.467
additional property: Liveness
  type: PropertyValue
  value: 0.127
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.198
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.482
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

That Old Black Magic - Rudy Van Gelder Edition
type: MusicRecording
duration: PT4M52S
duration ms: 292106
explicit: false
by artist: Ike Quebec
in album: Blue And Sentimental (Remastered)
  type: MusicAlbum
  date published: 2007-01-01
genre: bossa nova
genre: brazilian jazz
genre: cool jazz
genre: hard bop
genre: jazz
genre: latin jazz
genre: soul jazz
isrc code: USBN20700907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T03:59:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a74e3cddc274a49d98c58f128ea2f01fd500285b32a97749991c7f7a279ef4a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958656
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958656
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20700907
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T04:04:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x7a74e3cddc274a49d98c58f128ea2f01fd500285b32a97749991c7f7a279ef4a. Chain 2 (Bitcoin): anchored in block 958656 (2026-07-19T04:04:08Z), 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/USBN20700907.
  date published: 2026-07-19T04:04:08Z
audio: That Old Black Magic - Rudy Van Gelder Edition
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.727
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.658
  additional property: Energy
    type: PropertyValue
    value: 0.623
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.606
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It's All Right With Me - Rudy Van Gelder Edition
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duration: PT6M4S
duration ms: 364146
explicit: false
by artist: Ike Quebec
in album: Blue And Sentimental (Remastered)
  type: MusicAlbum
  date published: 2007-01-01
genre: bossa nova
genre: brazilian jazz
genre: cool jazz
genre: hard bop
genre: jazz
genre: latin jazz
genre: soul jazz
isrc code: USBN20700908
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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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  value: https://blockstream.info/api/block-height/956637
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20700908
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:56:23Z
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: 2026-07-04T10:56:23Z
audio: It's All Right With Me - Rudy Van Gelder Edition
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Bossa Nova Soul Samba (Rudy Van Gelder Edition)
type: MusicAlbum
date published: 2007-01-01

Hard Tack, Vol. 2
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date published: 2008-05-05

Complete Jazz Series 1944 - 1946
type: MusicAlbum
date published: 2009-06-08

The Very Best of Ike Quebec
type: MusicAlbum
date published: 2010-11-09

Don't Take Your Love From Me
type: MusicAlbum
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Jazz Masters
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date published: 2011-11-09

The Day You Came Along
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date published: 2012-01-17

Bossa Nova Soul Samba (Original Album- Remastered)
type: MusicAlbum
date published: 2012-02-03

Blue & Sentimental
type: MusicAlbum
date published: 2012-02-14

Count Every Star
type: MusicAlbum
date published: 2012-03-20

Blue Harlem
type: MusicAlbum
date published: 2012-05-22

Blue And Sentimental / It Might As Well Be Spring/Soul Samba
type: MusicAlbum
date published: 2012-07-07

The Complete Blue Note 45 Sessions, Vol. 1, Vol. 2
type: MusicAlbum
date published: 2012-07-11

Ike Quebec: Blues For Charlie
type: MusicAlbum
date published: 2012-07-24

Ike Quebec: Only the Best (Original Recordings Digitally Remastered)
type: MusicAlbum
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The Very Best of Ike Quebec (Original Recordings Digitally Remastered)
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date published: 2012-11-28

50 Ike Quebec's Classics (Original Recordings Digitally Remastered)
type: MusicAlbum
date published: 2012-11-29

Blue Harlem, Vol. 1
type: MusicAlbum
date published: 2013-01-01

The Day You Came Along, Vol. 1
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date published: 2013-01-01

The Day You Came Along, Vol. 2
type: MusicAlbum
date published: 2013-01-01

Blue Harlem, Vol. 2
type: MusicAlbum
date published: 2013-01-01

Bossa Nova Soul Samba (Original Bossa Nova Album Plus Bonus Tracks 1962)
type: MusicAlbum
date published: 2013-02-15

Bossa Nova Soul Samba (Bossa Nova Jazz)
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date published: 2013-04-25

Bossa Nova Soul Samba (Jazz Club Collection)
type: MusicAlbum
date published: 2013-05-10

Blue Harlem
type: MusicAlbum
date published: 2013-05-19

Soul Samba
type: MusicAlbum
date published: 2013-07-02

Mad About You, Vol. 1
type: MusicAlbum
date published: 2013-07-18

Easy Living
type: MusicAlbum
date published: 2013-11-22

Soul Samba
type: MusicAlbum
date published: 2013-12-26

Favela
type: MusicAlbum
date published: 2014-02-28

Congo Lament
type: MusicAlbum
date published: 2014-03-05

Teatime With
type: MusicAlbum
date published: 2014-04-23

Blue and Sentimental
type: MusicAlbum
date published: 2018-10-05

It Might as Well Be Spring
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date published: 2018-10-05

Bossa Nova Soul Samba
type: MusicAlbum
date published: 2018-10-05

Heavy Soul
type: MusicAlbum
date published: 2018-10-05

Four Classic Albums (Blue and Sentimental / It Might as Well Be Spring / Heavy Soul / Bossa Nova Soul Samba) (Digitally Remastered)
type: MusicAlbum
date published: 2018-10-05

Loie
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explicit: false
by artist: Kenny Burrell
by artist: Ike Quebec
in album: Brazil!: The Birth of Bossa Nova
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  date published: 2014-05-19
popularity: 19
isrc code: FRZ336205170
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
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  date published: 2026-07-02T03:30:09Z
audio: Loie
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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Shu Shu
type: MusicRecording
duration: PT3M32S
duration ms: 212000
explicit: false
by artist: Ike Quebec
in album: Blue Break Beats Vol. 1
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  date published: 2016-06-01
popularity: 10
isrc code: USBN26200053
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN26200053
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-07T14:41:13Z
audio: Shu Shu
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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Blues For Charlie
type: MusicRecording
duration: PT6M47S
duration ms: 407093
explicit: false
by artist: Ike Quebec
by artist: Grant Green
in album: Retrospective
  type: MusicAlbum
  date published: 2002-01-01
isrc code: USBN28800549
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN28800549
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86d9be8bee0ee34c36b3007beb9feced3ac87343f8fd224f4c9d53105bf043bc. 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/USBN28800549.
  date published: 2026-07-08T03:20:19Z
audio: Blues For Charlie
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  additional property: Musical Key
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Jim Dawgs
type: MusicRecording
duration: PT2M49S
duration ms: 169893
explicit: false
by artist: Ike Quebec
in album: The Savoy Story, Vol. 1: Jazz
  type: MusicAlbum
  date published: 2002-06-25
isrc code: USSJ17000585
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ17000585
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-29T19:35:34Z
audio: Jim Dawgs
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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Blue Samba - Remastered
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duration ms: 315480
explicit: false
by artist: Ike Quebec
in album: Blue Note Plays Bossa Nova
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  date published: 2008-01-01
isrc code: USBN20700518
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additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20700518
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
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  date published: 2026-07-07T18:39:05Z
audio: Blue Samba - Remastered
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  additional property: Mode (Major/Minor)
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Favela - Remastered
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duration ms: 240120
explicit: false
by artist: Ike Quebec
in album: Blue Note Plays Bossa Nova
  type: MusicAlbum
  date published: 2008-01-01
isrc code: USBN20700519
additional property: CopyrightID
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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/USBN20700519
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 0xfaa2080766fa077d40c23ee181d15ff32ff75bebbb77578f6bff2ce99bfc7820. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USBN20700519.
  date published: 2026-07-29T19:35:34Z
audio: Favela - Remastered
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    value: 100.572
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
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    value: 5
  additional property: Danceability
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  additional property: Energy
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    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.118
  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.884
  additional property: Key Name
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    value: C
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    value: Minor

Congo Lament
type: MusicRecording
duration: PT6M51S
duration ms: 411160
explicit: false
by artist: Ike Quebec
in album: Blue Bossa (Vol. 3)
  type: MusicAlbum
  date published: 2016-06-01
isrc code: USBN21000874
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960291
additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/960291
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN21000874
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33Z
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6cb9caa2ecc0f4e2d267a48f3832569c52da082ca07d0be565cef27f5b750e2. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/USBN21000874.
  date published: 2026-07-30T18:23:33Z
audio: Congo Lament
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.889
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.539
  additional property: Loudness (dB)
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