Ivan Wyschnegradsky
type: MusicGroup
description: Ivan Alexandrovich Wyschnegradsky ( ; September 29, 1979), was a Russian composer primarily known for his microtonal compositions. For most of his life, from 1920 onwards, Wyschnegradsky lived in Par
popularity: 9
followers: 1686
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2d6ccffd5048e7e1c7e2dafa6b46250409e6614b06dbf9f15ae8bbcfa207b4a. Chain 2 (Bitcoin): anchored in block 953930 (2026-06-16T10:36:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1da3397b-5bee-4923-ac91-e116094cc67d.json and https://artists.proofprofile.net/proofs/artist/1da3397b-5bee-4923-ac91-e116094cc67d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T10:36:13Z
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album: Wyschnegradsky: Etude & 24 Préludes
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  date published: 2000-01-01
track: String Quartet No. 2, Op. 18: I. Allegro scherzando
track: String Quartet No. 2, Op. 18: II. Andante - Adagio
track: String Quartet No. 2, Op. 18: III. Allegro risoluto

String Quartet No. 2, Op. 18: I. Allegro scherzando
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duration: PT4M27S
duration ms: 267226
explicit: false
by artist: Ivan Wyschnegradsky
by artist: Camerata Bern
in album: Exile
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  date published: 2025-01-24
isrc code: FR50X2411010
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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
additional property: ProofProfileEvidenceStatus
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd6b5550bbb50c63f0db8ced1d17e9d5d02e94e59457c94f4bea85d8b24864c. 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/FR50X2411010.
  date published: 2026-07-08T03:20:19Z
audio: String Quartet No. 2, Op. 18: I. Allegro scherzando
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String Quartet No. 2, Op. 18: II. Andante - Adagio
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duration: PT4M0S
duration ms: 240160
explicit: false
by artist: Ivan Wyschnegradsky
by artist: Camerata Bern
in album: Exile
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  date published: 2025-01-24
isrc code: FR50X2411011
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17dcf4bd16d82d85e2158dd779346826eed327a1e08545bf49982b46214c71f6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FR50X2411011.
  date published: 2026-07-02T03:55:08Z
audio: String Quartet No. 2, Op. 18: II. Andante - Adagio
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String Quartet No. 2, Op. 18: III. Allegro risoluto
type: MusicRecording
duration: PT3M44S
duration ms: 224293
explicit: false
by artist: Ivan Wyschnegradsky
by artist: Camerata Bern
in album: Exile
  type: MusicAlbum
  date published: 2025-01-24
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb147ec01892c91bf31deaf193fe3cfea4760295cb501b78ab2545b3fb1e39228. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/FR50X2411012.
  date published: 2026-07-30T07:28:30Z
audio: String Quartet No. 2, Op. 18: III. Allegro risoluto
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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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