Rein De Graaff
type: MusicGroup
popularity: 11
followers: 368
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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 → 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  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
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album: Drifting on a Reed
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  date published: 1970-01-01
  track: Drifting On A Reed
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  track: Alone Together
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  track: I Waited For You
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  track: For Lennie And Lee
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  track: Sunrise
  track: Blue Bossa
  track: Lonely Friday Blues
  track: Anthropology
  track: Autumn Leaves
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
track: Mr. P.C.
track: Parker's Mood
track: Ornithology
track: Parisian Thoroughfare
track: That's All
track: Night in Tunesia
track: Autumn in New York
track: Billy's Bounce
track: I Thought About You
track: Easy Living
track: Tangerine
track: Body and Soul - Live
track: Wee - Live
track: Prayer to the People
track: Sippin' at Bells
track: The Man I Love
track: Flamingo
track: Caravan

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Sunrise
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Blue Bossa
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Lonely Friday Blues
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Anthropology
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Autumn Leaves
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Chasin' the Bird
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track: Chasin' The Bird
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track: Little Willie Leaps
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track: Improvisation On Confirmation
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track: Just Friends
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track: Constellation (Theme)
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  audio: Constellation (Theme)
track: A Night In Tunesia
track: Bird Of Paradise / All The Things You Are
track: My Old Flame
track: What Is This Thing Called Love

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A Night In Tunesia
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Bird Of Paradise / All The Things You Are
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My Old Flame
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What Is This Thing Called Love
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track: There's No Greater Love
track: I Will Say Goodbye
track: Blue Skies
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There's No You
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There's No Greater Love
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I Will Say Goodbye
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Blue Skies
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Goodbye
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Be-Bop, Ballads & Blues
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track: Take the A Train
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track: Goodbye
track: Drifting on a Reed
track: I Waited for You
track: Blue Bossa Samba
track: Little Willie Leaps
track: What Is This Thing Called Love
track: My Old Flame
track: Now Is the Time

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Improvisation in Confirmation
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Goodbye
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Drifting on a Reed
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I Waited for You
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Blue Bossa Samba
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Little Willie Leaps
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What Is This Thing Called Love
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My Old Flame
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Now Is the Time
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Be-Bop, Ballads & Blues
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track: Blue Skies
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track: Darn That Dream
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track: Old Folks
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track: Take the a Train
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track: Goodbye
track: Drifting on a Reed
track: I Waited for You
track: Blue Bossa Samba
track: Little Willie Leaps
track: What Is This Thing Called Love
track: My Old Flame
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Take the a Train
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Improvisation in Confirmation
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Goodbye
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Drifting on a Reed
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I Waited for You
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Blue Bossa Samba
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Little Willie Leaps
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What Is This Thing Called Love
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My Old Flame
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Now Is the Time
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Duets
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track: These Foolish Things
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How Deep Is The Ocean
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I'll Remember April
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My Melancholy Baby
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Star Eyes
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Pinehill Blues
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How Deep is the Ocean
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I'll Remember April
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My Melancholy Baby
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Star Eyes
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Now is the Time
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My Funny Valentine
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I Want to Be Happy
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Solo Piano 'Jazz At The Pinehill'
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I'm Through With Love
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Flamingo
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The Night We Called It a Day
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My Melancholy Baby
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Embraceble You
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Angel Blue
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Liza
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I Can't Get Started
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Poinciana
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Everytime We Say Goodbye
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What Is This Thing Called Love?
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Remember You
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Confirmation
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Ghost of a Chance
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Music Inn Blues
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Solo Piano: Jazz at the Pinehill
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track: It's You Or No One
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track: Fascinating Rhythm
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track: Embraceble You
track: Angel Blue
track: Liza
track: I Can't Get Started
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I'm Through With Love
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Flamingo
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The Night We Called It A Day
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My Melancholy Baby
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Embraceble You
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Angel Blue
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Liza
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I Can't Get Started
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Poinciana
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Everytime We Say Goodbye
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What Is This Thing Called Love?
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I Remember You
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Ornithology
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Night in Tunesia
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Autumn in New York
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Billy's Bounce
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Early Morning Blues
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track: Godchild
track: Little Girl Blue
track: Fly Me To The Moon
track: Lover Man
track: Moonology
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track: Early Morning Blues - Alt. take
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Godchild
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Little Girl Blue
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Fly Me To The Moon
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Lover Man
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Moonology
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If I Had You
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Early Morning Blues - Alt. take
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Wahoo
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Sippin' at Bells
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track: The Man I Love
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track: Flamingo
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track: The Nearness Of You
track: Walkin'
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The Nearness Of You
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Walkin'
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Wee
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Mr. P.C.
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Parker's Mood
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Ornithology
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Parisian Thoroughfare
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That's All
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Night in Tunesia
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Autumn in New York
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Billy's Bounce
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I Thought About You
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Ornithology
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Easy Living
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Tangerine
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Body and Soul - Live
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Wee - Live
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Prayer to the People
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I Thought About You
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Sippin' at Bells
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The Man I Love
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Flamingo
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Caravan
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