Rein De Graaff
type: MusicGroup
popularity: 11
followers: 368
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6406c743fd8396cb5cfdf5d79d89e8a2485bf406be4c493ab544700def58a3c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953765
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953765
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bef59f8b-2277-4e06-89df-1ac70319613d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bef59f8b-2277-4e06-89df-1ac70319613d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bef59f8b-2277-4e06-89df-1ac70319613d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T08:55:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe6406c743fd8396cb5cfdf5d79d89e8a2485bf406be4c493ab544700def58a3c","name":"Rein De Graaff","registered_at":"2026-06-15T00:33:45Z","symbol":"NIM0626044","token_address":"0xf724c1bb20791bb78ae96eb2c8de949ea3ac5edc","type":"artist","uuid":"bef59f8b-2277-4e06-89df-1ac70319613d"}
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 → block must exist at that height 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6406c743fd8396cb5cfdf5d79d89e8a2485bf406be4c493ab544700def58a3c. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bef59f8b-2277-4e06-89df-1ac70319613d.json and https://artists.proofprofile.net/proofs/artist/bef59f8b-2277-4e06-89df-1ac70319613d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T08:55:24Z
  text: {"copyright_id":"0xe6406c743fd8396cb5cfdf5d79d89e8a2485bf406be4c493ab544700def58a3c","name":"Rein De Graaff","registered_at":"2026-06-15T00:33:45Z","symbol":"NIM0626044","token_address":"0xf724c1bb20791bb78ae96eb2c8de949ea3ac5edc","type":"artist","uuid":"bef59f8b-2277-4e06-89df-1ac70319613d"}
album: Drifting on a Reed
  type: MusicAlbum
  date published: 1970-01-01
  track: Drifting On A Reed
    type: MusicRecording
    duration: PT4M4S
    duration ms: 244346
    explicit: false
    by artist: Rein De Graaff
    in album: Drifting on a Reed
      type: MusicAlbum
      date published: 1970-01-01
  track: Alone Together
    type: MusicRecording
    duration: PT6M24S
    duration ms: 384253
    explicit: false
    by artist: Rein De Graaff
    in album: Drifting on a Reed
      type: MusicAlbum
      date published: 1970-01-01
  track: I Waited For You
    type: MusicRecording
    duration: PT5M14S
    duration ms: 314213
    explicit: false
    by artist: Rein De Graaff
    in album: Drifting on a Reed
      type: MusicAlbum
      date published: 1970-01-01
  track: For Lennie And Lee
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151386
    explicit: false
    by artist: Rein De Graaff
    in album: Drifting on a Reed
      type: MusicAlbum
      date published: 1970-01-01
  track: Sunrise
    type: MusicRecording
    duration: PT5M37S
    duration ms: 337773
    explicit: false
    by artist: Rein De Graaff
    in album: Drifting on a Reed
      type: MusicAlbum
      date published: 1970-01-01
  track: Blue Bossa
    type: MusicRecording
    duration: PT4M29S
    duration ms: 269800
    explicit: false
    by artist: Rein De Graaff
    in album: Drifting on a Reed
      type: MusicAlbum
      date published: 1970-01-01
  track: Lonely Friday Blues
    type: MusicRecording
    duration: PT7M22S
    duration ms: 442946
    explicit: false
    by artist: Rein De Graaff
    in album: Drifting on a Reed
      type: MusicAlbum
      date published: 1970-01-01
  track: Anthropology
    type: MusicRecording
    duration: PT3M5S
    duration ms: 185693
    explicit: false
    by artist: Rein De Graaff
    in album: Drifting on a Reed
      type: MusicAlbum
      date published: 1970-01-01
  track: Autumn Leaves
    type: MusicRecording
    duration: PT6M20S
    duration ms: 380201
    explicit: false
    by artist: Rein De Graaff
    in album: Drifting on a Reed
      type: MusicAlbum
      date published: 1970-01-01
album: Chasin' the Bird
  type: MusicAlbum
  date published: 1970-01-01
  track: Chasin' The Bird
    type: MusicRecording
    duration: PT5M14S
    duration ms: 314866
    explicit: false
    by artist: Rein De Graaff
    in album: Chasin' the Bird
      type: MusicAlbum
      date published: 1970-01-01
  track: Little Willie Leaps
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257346
    explicit: false
    by artist: Rein De Graaff
    in album: Chasin' the Bird
      type: MusicAlbum
      date published: 1970-01-01
  track: Improvisation On Confirmation
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182026
    explicit: false
    by artist: Rein De Graaff
    in album: Chasin' the Bird
      type: MusicAlbum
      date published: 1970-01-01
  track: Just Friends
    type: MusicRecording
    duration: PT9M15S
    duration ms: 555293
    explicit: false
    by artist: Rein De Graaff
    in album: Chasin' the Bird
      type: MusicAlbum
      date published: 1970-01-01
  track: Constellation (Theme)
    type: MusicRecording
    duration: PT0M33S
    duration ms: 33666
    explicit: false
    by artist: Rein De Graaff
    in album: Chasin' the Bird
      type: MusicAlbum
      date published: 1970-01-01
  track: A Night In Tunesia
    type: MusicRecording
    duration: PT4M26S
    duration ms: 266186
    explicit: false
    by artist: Rein De Graaff
    in album: Chasin' the Bird
      type: MusicAlbum
      date published: 1970-01-01
  track: Bird Of Paradise / All The Things You Are
    type: MusicRecording
    duration: PT7M30S
    duration ms: 450706
    explicit: false
    by artist: Rein De Graaff
    in album: Chasin' the Bird
      type: MusicAlbum
      date published: 1970-01-01
  track: My Old Flame
    type: MusicRecording
    duration: PT4M21S
    duration ms: 261372
    explicit: false
    by artist: Rein De Graaff
    in album: Chasin' the Bird
      type: MusicAlbum
      date published: 1970-01-01
  track: What Is This Thing Called Love
    type: MusicRecording
    duration: PT5M30S
    duration ms: 330000
    explicit: false
    by artist: Rein De Graaff
    in album: Chasin' the Bird
album: Duo
album: Be-Bop, Ballads & Blues
album: Duets
album: Rein de Graaff: Duets
album: Now is the Time
album: Solo Piano 'Jazz At The Pinehill'
album: Confirmation
album: Solo Piano: Jazz at the Pinehill
album: Ornithology
album: Early Morning Blues
album: Sippin' at Bells

Rein De Graaff
type: MusicGroup

Chasin' the Bird
type: MusicAlbum
date published: 1970-01-01

Duo
type: MusicAlbum
date published: 1985-07-01
track: What Is This Thing Called Love
  type: MusicRecording
  duration: PT5M31S
  duration ms: 331066
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01
track: Old Folks
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200418
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01
track: Take The 'A' Train
  type: MusicRecording
  duration: PT6M5S
  duration ms: 365773
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01
track: Darn That Dream
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152013
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01
track: Gladys
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213066
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01
track: There's No You
  type: MusicRecording
  duration: PT5M33S
  duration ms: 333866
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01
track: There's No Greater Love
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287213
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01
track: I Will Say Goodbye
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214586
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01
track: Blue Skies
  type: MusicRecording
  duration: PT6M49S
  duration ms: 409080
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01
track: Goodbye
  type: MusicRecording
  duration: PT1M51S
  duration ms: 111253
  explicit: false
  by artist: Rein De Graaff
  in album: Duo
    type: MusicAlbum
    date published: 1985-07-01

Be-Bop, Ballads & Blues
type: MusicAlbum
date published: 1970-01-01
track: There's No You
  type: MusicRecording
  duration: PT5M25S
  duration ms: 325493
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Blue Skies
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305573
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Darn That Dream
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141266
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Old Folks
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208333
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Take the A Train
  type: MusicRecording
  duration: PT5M47S
  duration ms: 347533
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Improvisation in Confirmation
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182733
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Goodbye
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107133
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Drifting on a Reed
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241800
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: I Waited for You
  type: MusicRecording
  duration: PT5M11S
  duration ms: 311200
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Blue Bossa Samba
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269026
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Little Willie Leaps
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258173
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: What Is This Thing Called Love
  type: MusicRecording
  duration: PT5M33S
  duration ms: 333160
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: My Old Flame
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248306
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Now Is the Time
  type: MusicRecording
  duration: PT6M44S
  duration ms: 404826
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01

Be-Bop, Ballads & Blues
type: MusicAlbum
date published: 1970-01-01
track: There's No You
  type: MusicRecording
  duration: PT5M25S
  duration ms: 325493
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Blue Skies
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305573
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Darn That Dream
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141266
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Old Folks
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208333
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Take the a Train
  type: MusicRecording
  duration: PT5M47S
  duration ms: 347533
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Improvisation in Confirmation
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182733
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Goodbye
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107133
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Drifting on a Reed
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241800
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: I Waited for You
  type: MusicRecording
  duration: PT5M11S
  duration ms: 311200
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Blue Bossa Samba
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269026
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Little Willie Leaps
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258173
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: What Is This Thing Called Love
  type: MusicRecording
  duration: PT5M33S
  duration ms: 333160
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: My Old Flame
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248306
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01
track: Now Is the Time
  type: MusicRecording
  duration: PT6M44S
  duration ms: 404826
  explicit: false
  by artist: Rein De Graaff
  in album: Be-Bop, Ballads & Blues
    type: MusicAlbum
    date published: 1970-01-01

Duets
type: MusicAlbum
date published: 1970-01-01
track: What Is This Thing Called Love?
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282160
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: These Foolish Things
  type: MusicRecording
  duration: PT6M55S
  duration ms: 415400
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: I Remeber You
  type: MusicRecording
  duration: PT7M14S
  duration ms: 434373
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: Darn That Dream
  type: MusicRecording
  duration: PT6M17S
  duration ms: 377000
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: Just Friends
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342693
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: Pinehill Blues
  type: MusicRecording
  duration: PT6M11S
  duration ms: 371840
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: How Deep Is The Ocean
  type: MusicRecording
  duration: PT8M3S
  duration ms: 483466
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: I'll Remember April
  type: MusicRecording
  duration: PT5M54S
  duration ms: 354333
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: My Melancholy Baby
  type: MusicRecording
  duration: PT1M28S
  duration ms: 88133
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: Star Eyes
  type: MusicRecording
  duration: PT8M19S
  duration ms: 499693
  explicit: false
  by artist: Rein De Graaff
  in album: Duets
    type: MusicAlbum
    date published: 1970-01-01

Rein de Graaff: Duets
type: MusicAlbum
date published: 1970-01-01
track: What Is This Thing Called Love?
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282160
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: These Foolish Things
  type: MusicRecording
  duration: PT6M55S
  duration ms: 415400
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: I Remember You
  type: MusicRecording
  duration: PT7M14S
  duration ms: 434373
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: Darn That Dream
  type: MusicRecording
  duration: PT6M17S
  duration ms: 377000
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: Just Friends
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342693
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: Pinehill Blues
  type: MusicRecording
  duration: PT6M11S
  duration ms: 371840
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: How Deep is the Ocean
  type: MusicRecording
  duration: PT8M3S
  duration ms: 483466
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: I'll Remember April
  type: MusicRecording
  duration: PT5M54S
  duration ms: 354333
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: My Melancholy Baby
  type: MusicRecording
  duration: PT1M28S
  duration ms: 88133
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01
track: Star Eyes
  type: MusicRecording
  duration: PT8M19S
  duration ms: 499693
  explicit: false
  by artist: Rein De Graaff
  in album: Rein de Graaff: Duets
    type: MusicAlbum
    date published: 1970-01-01

Now is the Time
type: MusicAlbum
date published: 1970-01-01
track: Out of Nowhere
  type: MusicRecording
  duration: PT13M38S
  duration ms: 818093
  explicit: false
  by artist: Rein De Graaff
  in album: Now is the Time
    type: MusicAlbum
    date published: 1970-01-01
track: The Eternal Triangle
  type: MusicRecording
  duration: PT9M46S
  duration ms: 586400
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  by artist: Rein De Graaff
  in album: Now is the Time
    type: MusicAlbum
    date published: 1970-01-01
track: Days of Wine and Roses
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271106
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  by artist: Rein De Graaff
  in album: Now is the Time
    type: MusicAlbum
    date published: 1970-01-01
track: We'll Be Together Again
  type: MusicRecording
  duration: PT9M31S
  duration ms: 571893
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  by artist: Rein De Graaff
  in album: Now is the Time
    type: MusicAlbum
    date published: 1970-01-01
track: Cherokee
  type: MusicRecording
  duration: PT6M17S
  duration ms: 377600
  explicit: false
  by artist: Rein De Graaff
  in album: Now is the Time
    type: MusicAlbum
    date published: 1970-01-01
track: Tenderly
  type: MusicRecording
  duration: PT9M35S
  duration ms: 575733
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  by artist: Rein De Graaff
  in album: Now is the Time
    type: MusicAlbum
    date published: 1970-01-01
track: Now is the Time
  type: MusicRecording
  duration: PT6M47S
  duration ms: 407666
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Solo Piano 'Jazz At The Pinehill'
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Confirmation
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Solo Piano: Jazz at the Pinehill
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Ornithology
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Early Morning Blues
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Sippin' at Bells
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  subject of: OpenTimestamps Proof of Existence
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    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc61d6061711d882d3cbdb9ad6c94218718cc2e3413a744f1638b894fb09cecf3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLA412570103.
    date published: 2026-07-02T03:30:09Z
track: Caravan
  type: MusicRecording
  duration: PT11M39S
  duration ms: 699280
  explicit: false
  by artist: Rein De Graaff
  in album: Sippin' at Bells
    type: MusicAlbum
    date published: 2025-02-19
  isrc code: NLA412570104
track: The Nearness Of You
  type: MusicRecording
  duration: PT8M59S
  duration ms: 539373
  explicit: false
  by artist: Rein De Graaff
  in album: Sippin' at Bells
    type: MusicAlbum
    date published: 2025-02-19
  isrc code: NLA412570105
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  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:15:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6bd3cbd20209712621200e3f5266cfe47b495855d80cfae53565b3f65966bc8b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA412570105
  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 → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bd3cbd20209712621200e3f5266cfe47b495855d80cfae53565b3f65966bc8b. 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/NLA412570105.
    date published: 2026-07-08T03:20:19Z
track: Walkin'
  type: MusicRecording
  duration: PT13M18S
  duration ms: 798653
  explicit: false
  by artist: Rein De Graaff
  in album: Sippin' at Bells
    type: MusicAlbum
    date published: 2025-02-19
  isrc code: NLA412570106
track: Wee
  type: MusicRecording
  duration: PT5M35S
  duration ms: 335800
  explicit: false
  by artist: Rein De Graaff
  in album: Sippin' at Bells
    type: MusicAlbum
    date published: 2025-02-19

8: I Thought About You
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  duration: PT4M32S
  duration ms: 272280
  explicit: false
  by artist: Eric Ineke
  by artist: Etta Jones
  by artist: Houston Person
  by artist: Rein De Graaff
  by artist: Koos Serierse
  in album: Eric Ineke 75 - Swinging, Boppin' and Burnin'
    type: MusicAlbum
    date published: 2022-09-30
9: Ornithology
  type: MusicRecording
  duration: PT11M47S
  duration ms: 707546
  explicit: false
  by artist: Eric Ineke
  by artist: Pepper Adams
  by artist: Rob McConnell
  by artist: Piet Noordijk
  by artist: Rein De Graaff
  by artist: Koos Serierse
  in album: Eric Ineke 75 - Swinging, Boppin' and Burnin'
    type: MusicAlbum
    date published: 2022-09-30
10: Easy Living
  type: MusicRecording
  duration: PT8M18S
  duration ms: 498146
  explicit: false
  by artist: Eric Ineke
  by artist: John Marshall
  by artist: Rein De Graaff
  by artist: Marius Beets
  in album: Eric Ineke 75 - Swinging, Boppin' and Burnin'
    type: MusicAlbum
    date published: 2022-09-30
11: Tangerine
  type: MusicRecording
  duration: PT10M50S
  duration ms: 650706
  explicit: false
  by artist: Eric Ineke
  by artist: Scott Hamilton
  by artist: Rein De Graaff
  by artist: Marius Beets
  in album: Eric Ineke 75 - Swinging, Boppin' and Burnin'
    type: MusicAlbum
    date published: 2022-09-30
12: Body and Soul - Live
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321733
  explicit: false
  by artist: Eric Ineke
  by artist: Eddie "Lockjaw" Davis
  by artist: Rein De Graaff
  by artist: Koos Serierse
  in album: Let There Be Life, Love and Laughter
    type: MusicAlbum
    date published: 2017-03-31
13: Wee - Live
  type: MusicRecording
  duration: PT5M33S
  duration ms: 333386
  explicit: false
  by artist: Eric Ineke
  by artist: Johnny Griffin
  by artist: Rein De Graaff
  by artist: Koos Serierse
  in album: Let There Be Life, Love and Laughter
    type: MusicAlbum
    date published: 2017-03-31
14: Prayer to the People
  type: MusicRecording
  duration: PT7M18S
  duration ms: 438253
  explicit: false
  by artist: Eric Ineke
  by artist: Clifford Jordan
  by artist: Rein De Graaff
  by artist: Koos Serierse
  in album: Let There Be Life, Love and Laughter
    type: MusicAlbum
    date published: 2017-03-31
15: I Thought About You
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272280
  explicit: false
  by artist: Eric Ineke
  by artist: Etta Jones
  by artist: Houston Person
  by artist: Rein De Graaff
  by artist: Koos Serierse
  in album: I Thought About You
    type: MusicAlbum
    date published: 2022-09-09
  isrc code: NLA412280102
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:22:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8e4341339c6885749d22fc473c112774e4b03e575c4add53aed1191ea464cc62
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA412280102
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4341339c6885749d22fc473c112774e4b03e575c4add53aed1191ea464cc62. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA412280102.
    date published: 2026-07-08T08:56:20Z