Mari Kodama
type: MusicGroup
genre: classical
genre: classical piano
description: (born 1967) is a classical pianist who has performed in Europe, North America and Japan. Background Kodama was born in Osaka, Japan in 1967 and raised in Germany and Paris, France due to her father'
popularity: 30
followers: 1619
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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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    by artist: Karin Kei Nagano
    by artist: Mari Kodama
    by artist: Momo Kodama
    by artist: Orchestre de la Suisse Romande
    by artist: Kent Nagano
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      date published: 2024-05-17
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-06-13T15:41:10Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-06-13T13:32:09Z
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album: De Falla: Noches en los jardines de España & El sombrero de tres picos
album: Russian Dances
album: Bizet: L'Arlesiènne Suite Nos. 1 & 2 - Fauré: Masques et bergamasques Suite - Gounod: Faust
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album: German Classical Selections
album: Frizzante: Celebrating Vocal Music Celebration
album: New Paths
album: MON AMI, MON AMOUR
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album: Beethoven: The Complete Piano Sonatas
album: Martinů: Double Concertos
album: Tchaikovsky: Ballet Suites for Piano Duo
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album: Beethoven: Piano Sonatas, Op. 101 & 106 "Hammerklavier"
album: Beethoven: Piano Sonatas Nos. 11-13, 15, 22 & 27
album: Beethoven: Piano Sonatas 30, 31 & 32
album: Beethoven: Piano Sonatas Nos. 5, 6 & 7
album: Beethoven: Piano Sonatas 25, 24, 9, 10, 19 & 20
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album: Beethoven: Piano Sonatas Nos. 16, 17 & 18
album: Beethoven: Piano Sonatas Nos. 4, 8 & 14
album: Chopin & Loewe Piano Concertos
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album: In and out: Coffee Break
album: Kent Nagano - Stravinsky (Live)
album: Limoncello: Celebrating Chamber Music
album: Seeds: Piano
album: Beethoven: Famous Pieces
album: Pentatone the First 10 Years
album: Beethoven: Triple Concerto & Piano Concerto No. 3
album: Beethoven: Piano Concertos Nos. 1 & 2
album: Seeds: Beethoven

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De Falla: Noches en los jardines de España & El sombrero de tres picos
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date published: 2017-05-01
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Noches en los jardines de España: I. En el Generalife
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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: 2026-07-02T03:55:08Z
  audio: Noches en los jardines de España: II. Danza lejana
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track: El Amor Brujo: Danza ritual del fuego
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  subject of: OpenTimestamps Proof of Existence
  audio: El Amor Brujo: Danza ritual del fuego

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OTSVerificationAPI
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OpenTimestamps Proof of Existence
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date published: 2026-06-13T15:41:10Z

El Amor Brujo: Danza ritual del fuego
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Bizet: L'Arlesiènne Suite Nos. 1 & 2 - Fauré: Masques et bergamasques Suite - Gounod: Faust
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Reine de coeur
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Tchaikovsky: Famous Pieces
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Beethoven: Piano Concertos 0-5
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French Classical Selections
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    date published: 2026-07-02T03:55:08Z
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German Classical Selections
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Frizzante: Celebrating Vocal Music Celebration
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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  subject of: OpenTimestamps Proof of Existence
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track: Variations on a Theme by Robert Schumann, Op. 9: Var. 14, Andante
track: Variations on a Theme by Robert Schumann, Op. 9: Var. 16, Adagio
track: Myrthen, Op. 25: No. 1, Widmung (Arr. C. Schumann for Solo Piano)

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OpenTimestamps Proof of Existence
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date published: 2026-06-13T13:32:09Z

Variations on a Theme by Robert Schumann, Op. 9: Var. 10, Poco adagio
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Variations on a Theme by Robert Schumann, Op. 9: Var. 14, Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Myrthen, Op. 25: No. 1, Widmung (Arr. C. Schumann for Solo Piano)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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MON AMI, MON AMOUR
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date published: 2020-11-06

KALEIDOSCOPE - Beethoven Transcriptions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T15:41:10Z
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Beethoven: The Complete Piano Sonatas
type: MusicAlbum
date published: 2019-01-04

Martinů: Double Concertos
type: MusicAlbum
date published: 2018-04-01

Tchaikovsky: Ballet Suites for Piano Duo
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date published: 2016-11-01
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
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track: Swan Lake Op. 20, TH 12 (Arr. E. Langer): Danse napolitaine
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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Beethoven: Piano Concertos 3-5 / Triple Concerto
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date published: 2014-10-10

Beethoven: Piano Sonatas, Op. 101 & 106 "Hammerklavier"
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date published: 2013-08-01

Beethoven: Piano Sonatas Nos. 11-13, 15, 22 & 27
type: MusicAlbum
date published: 2012-11-01

Beethoven: Piano Sonatas 30, 31 & 32
type: MusicAlbum
date published: 2012-03-01

Beethoven: Piano Sonatas Nos. 5, 6 & 7
type: MusicAlbum
date published: 2011-03-01

Beethoven: Piano Sonatas 25, 24, 9, 10, 19 & 20
type: MusicAlbum
date published: 2010-08-01

Beethoven: Piano Sonatas 1, 2 & 3
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date published: 2008-11-01
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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Beethoven: Piano Sonatas Nos. 16, 17 & 18
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date published: 2006-04-01

Beethoven: Piano Sonatas Nos. 4, 8 & 14
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date published: 2004-05-01
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Beethoven: Andante favori
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Classical for Sleeping
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In and out: Coffee Break
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Kent Nagano - Stravinsky (Live)
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Limoncello: Celebrating Chamber Music
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Seeds: Piano
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Beethoven: Famous Pieces
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Pentatone the First 10 Years
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Beethoven: Triple Concerto & Piano Concerto No. 3
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Beethoven: Piano Concertos Nos. 1 & 2
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Seeds: Beethoven
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