Vytautas Sondeckis
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popularity: 8
followers: 64
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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 0xebd9431d30b9cfc44f62f1e232c48a3c1757825f83e83407e2a8f511417147ea. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/13e22e75-aaca-43ba-8136-f8038c220b6f.json and https://artists.proofprofile.net/proofs/artist/13e22e75-aaca-43ba-8136-f8038c220b6f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
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album: Cello Recital: Vytautas Sondeckis
  type: MusicAlbum
  date published: 2000-02-09
album: Cello Recital: Vytautas Sondeckis
  type: MusicAlbum
  date published: 2000-02-09
track: 2 Melodies, Op. 3: No. 1 in F Major (arr. B. Traubas for cello and orchestra)
track: No. 14, Vocalise (Arr. for Cello & Orchestra)
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  by artist: Sergei Rachmaninoff
  by artist: Vytautas Sondeckis
  by artist: Lithuanian Chamber Orchestra
  by artist: David Geringas
  in album: Relaxing Cello
    type: MusicAlbum
    date published: 2025-05-20
  genre: classical
  genre: classical-piano
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  additional property: OTSTimestamp
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    value: 2026-07-07T15:12:44Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54dd8951a9947e8e11a68809c48005c6ba7af5fc7b654764bd4920d803e0424a. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), 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/HKI199920511.
    date published: 2026-07-07T15:12:44Z
  audio: No. 14, Vocalise (Arr. for Cello & Orchestra)
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    additional property: Valence (Positivity)
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track: 14 Songs, Op. 34 (arr. for cello and orchestra): Vocalise, Op. 34, No. 14 (arr. for cello and orchestra)
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  by artist: Anonymous
  by artist: Sergei Rachmaninoff
  by artist: Vytautas Sondeckis
  by artist: Lithuanian Chamber Orchestra
  by artist: David Geringas
  in album: Rachmaninov (The Very Best Of)
    type: MusicAlbum
    date published: 2005-10-18
  isrc code: HKI199920511
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
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2 Melodies, Op. 3: No. 1 in F Major (arr. B. Traubas for cello and orchestra)
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duration: PT3M8S
duration ms: 188066
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by artist: Anton Rubinstein
by artist: Vytautas Sondeckis
by artist: Lithuanian Chamber Orchestra
by artist: David Geringas
in album: Fånga dagen
  type: MusicAlbum
  date published: 2011-03-15
isrc code: HKI199920505
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additional property: OTSVerificationAPI
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: 2 Melodies, Op. 3: No. 1 in F Major (arr. B. Traubas for cello and orchestra)
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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