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 0x99432e566f41d72f13fc460f9794fa3d12beeaa1f9a5f17ccef9a58ffe317ea0. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4efc60c0-9790-4fdb-8863-d7e3d17622b3.json and https://artists.proofprofile.net/proofs/artist/4efc60c0-9790-4fdb-8863-d7e3d17622b3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Electra Rising - The Music of Malcolm Forsyth
Polish Symphonic Music of the 19th Century
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 0x6af284371280c718d5283c4a8949659ab488ed08cca1a8cc7999129c1577d63c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLB359601903.
W Tatrach (In the Tatra Mountains), Op. 27: Overture
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53a55277b26aff4070422c0215debe7538d3df087c3d398286ecddbf43a03b02. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/PLB359601901.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0ac3f72b546b66f43e331f386ae42110632897f4cbd61798c0c4db3c52966e6. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/PLB359601905.
Straszny Dwór, Akt III Scena 2: Ten zegar stary
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Straszny Dwór, Akt I Scena 4: Cichy domku
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Straszny Dwór, Akt I Scena 5: Witam Was, witam Was kochane dzieciska
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e1332badeadb5893e592b7b9d563ca4486396378bd8e4a2d47f79fd7f372ad3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLC701908405.
Straszny Dwór, Akt II Scena 6: Kto z mych dziewek serce której w cnych afektów wplącze nić
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ac438655bbae1b6a6c7070c8c20f5738bf43ec873d3ec46dd613284e9522685. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLC701908412.
Karłowicz: Symphonic Poems, Opp. 12-14 — Chopin: Allegro de concert, Op. 46
Karłowicz: Symfonia "Odrodzenie", Violin Concerto
Koncert skrzypcowy in A Major, Op. 8: II.Romanza. Andante
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Koncert skrzypcowy in A Major, Op. 8: III.Finale. Vivace assai
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Symfonia in E Minor, Odrodzenie, Op. 7: IV.Allegro maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8fc122c0dc837d3b0da1063b82cf58b9901533dd51411add650556153e51732. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLC701806707.
Koncert skrzypcowy in A Major, Op. 8: I.Allegro moderato
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Symfonia in E Minor, Odrodzenie, Op. 7: I.Andante. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cd77bff0d1ba68c9154da61dd066f17aef2681029048e0bebca8c5a09fa859c. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/PLC701806704.
Symfonia in E Minor, Odrodzenie, Op. 7: II.Andante non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdde38c45a77615b7c6af4355f22c4125d6af910929bcb2b7f82a5fbab14d1fb2. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/PLC701806705.
Carl Czerny: A Rediscovered Genius (Live)
Mendelssohn - Beethoven: Violin Concertos
Pictures at an Exhibition (arr. S. Gortchakov): IV. Bydlo
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Night on Bald Mountain: St. John's Night on Bald Mountain, "A Night on the Bare Mountain" (arr. N. Rimsky-Korsakov for orchestra)
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Khovanshchina (arr. N. Rimsky-Korsakov): Act IV: Dance of the Persian Slaves
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Penderecki: Violin Concerto No. 2, 'Metamorphosen' - Szymanowski: Violin Concerto No. 1
Beethoven: Piano Concerto No. 3 - 'Moonlight' Sonata
Kletzki: Violin Concerto - Szymanowski: Violin Concerto No. 2 - Lutosławski: Partita
Shostakovich: Symphony No. 5 - Festive Overture
Violin Concerto No. 2 in D Minor, Op. 22: I. Allegro moderato
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Violin Concerto No. 1 in F-Sharp Minor, Op. 14: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x746478aa36408e0d37a3dfa40aba63bdd549a9e44ef9f23639827c66673240b4. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/PLB359602401.
Violin Concerto No. 1 in F-Sharp Minor, Op. 14: II. Preghiera: Larghetto
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Violin Concerto No. 1 in F-Sharp Minor, Op. 14: III. Rondo: Allegro giocoso
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Violin Concerto No. 2 in D Minor, Op. 22: II. Romance: Andante
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Violin Concerto No. 2 in D Minor, Op. 22: III. Allegro con fuoco - Allegro moderato
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Chopin: Works for Piano and Orchestra Vol. 1 - Piano Concertos Nos. 1 & 2
Beethoven, L. Van: Piano Concertos Nos. 4 and 5
Grzegorz Nowak Conducts Schumann - The Four Symphonies
Tchaïkovski : Piano concerto No. 1 - Chopin : Piano concerto No. 2
Grzegorz Nowak conducts Mendelssohn Symphonies 3 & 4
Frank Martin: Concerto for Violin and Orchestra - Walter Baer: Concerto for Violin and Orchestra - Jost Meier: Trames I-IV
Ignacy Feliks Dobrzyński: Symphony No.2 In C Minor, Op. 15: IV: Finale alla Cracovienna. Vivace assai - Presto - Prestissimo
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Phoenix - Różycki: Violin Concerto, Op. 70: I. Andante
Phoenix - Tchaikovsky: Violin Concerto in D Major, Op. 35: II. Canzonetta. Andante
Paderewski: Symphony in B Minor „Polonia”