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description: thumb||269x269px Sviatoslav Teofilovich Richter ( – August 1, 1997) was a Soviet and Russian classical pianist. He is regarded as one of the greatest pianists of all time,Time. Francis Merson, "The 10
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album: Sviatolsav Richter plays Russian Composers
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album: Richter Archives, Vol. 22: Beethoven (Live)
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album: The Russian Piano Concertos
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album: Beethoven: Piano Sonatas, Piano Concerto No. 3, 8 Bagatelles & Choral Fantasy
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album: Sviatoslav Richter Archives, Vol. 7
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album: Sviatoslav Richter rare Recordings
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album: Edvard Grieg & Antonín Dvořák: Piano Concertos
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  track: Piano Sonata No. 8 in A Major, Op. 66
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track: Piano Sonata No. 16 in C Major, K. 545: I. Allegro
track: Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso – Allegro con spirito - Excerpt

Piano Sonata No. 7, Op. 64, "White Mass"
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Präludium Nr. 1 in C-Dur (Prelude No. 1 in C Major)
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Piano Sonata No. 16 in C Major, K. 545: I. Allegro
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Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso – Allegro con spirito - Excerpt
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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

OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdeddac07ef68f7d2d4699bbabb4ac1eece0b8281e812a4ab98ff02deee5b164. 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/DEAD61500703.
date published: 2026-07-08T03:20:19Z

Piano Sonata No. 2 in G-Sharp Minor, Op. 19 "Sonata Fantasy": II. Presto
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Piano Sonata No. 8 in A Major, Op. 66
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by artist: Vladimir Sofronitsky
in album: Scriabin: Complete Piano Sonatas
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popularity: 2
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Piano Sonata No. 8 in A Major, Op. 66
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Piano Sonata No. 3 in F-Sharp Minor, Op. 23: II. Allegretto
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by artist: Alexander Scriabin
by artist: Vladimir Sofronitsky
in album: Scriabin: Complete Piano Sonatas
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popularity: 4
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: II. Allegretto
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Piano Sonata No. 9 in F Major, Op. 68, "Black Mass"
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duration: PT8M28S
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explicit: false
by artist: Alexander Scriabin
by artist: Vladimir Sofronitsky
in album: Scriabin: Complete Piano Sonatas
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popularity: 2
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
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genre: russian-romanticism
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Piano Sonata No. 9 in F Major, Op. 68, "Black Mass"
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Fantasie in B Minor, Op. 28
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by artist: Alexander Scriabin
by artist: Vladimir Sofronitsky
in album: Scriabin: Complete Piano Sonatas
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  date published: 2015-10-02
popularity: 15
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
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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: Fantasie in B Minor, Op. 28
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Piano Sonata No. 4 in F-Sharp Major, Op. 30: I. Andante
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by artist: Vladimir Sofronitsky
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popularity: 5
genre: classical
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genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Piano Sonata No. 4 in F-Sharp Major, Op. 30: I. Andante
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