Dmitry Yulianovich Sitkovetsky (; born September 27, 1954) is a Soviet and American violinist, conductor, and arranger. Early life Dmitry Sitkovetsky was born in Baku, Azerbaijan, to violinist Jul
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcd2fdf213e93ea4280e1370251e0a1dd778f8a232d99d719a2b6ece7a3d7303. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14595cda-054e-4e3e-a4ac-0cfb66e35c53.json and https://artists.proofprofile.net/proofs/artist/14595cda-054e-4e3e-a4ac-0cfb66e35c53.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Weinberg / Weprik / Shostakovich: Piano Trios
Beethoven: Violin Concerto in D Major, Op. 61: III. Rondo. Allegro
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44fff2541a7a22c81a6755d1beca8faf8bb861ec3e9c952922fa8ffdd37d04c9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBAYC9105172.
Beethoven: Romance for Violin and Orchestra No. 1 in G Major, Op. 40
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf022298795f814ae5c7021fd5aae425628f42a29259f7147ad9281e03e6f1ed8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBAYC9105174.
Violin Concerto in D Major, Op. 61: III. Rondo (Allegro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44fff2541a7a22c81a6755d1beca8faf8bb861ec3e9c952922fa8ffdd37d04c9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBAYC9105172.
Prokofiev: Sonata for Solo Violin in D Major, Op. 115: II. Andante dolce
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf97917127c0b50ee615f6fbfad1fdfc94644781dbc41b450f19b3b45c58a5e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBAYC9002983.
Prokofiev: Sonata for Solo Violin in D Major, Op. 115: I. Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d8de91665eeb9f236cce978432460c6d1ebf6da2e1966962c1de7299777bf4b. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/GBAYC9002982.
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