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 0x9245d43d44912468e153e1f6203731190d32f9b1f32e7896c4e962db171707d6. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/44ccaeab-a22c-447e-b82d-a18fc7a9a3da.json and https://artists.proofprofile.net/proofs/artist/44ccaeab-a22c-447e-b82d-a18fc7a9a3da.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
St. Petersburg State Academic Symphony Orchestra
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 0xb6acd636119859a5ea1919df1d6e546ca582a12914acf3722243b8d64df2a74b. 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/USB8U1039674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25369b34facf39475c7b93eabd4d300ba9f8f12442e7ce7434e6a8133da5132b. 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/USB8U1039676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1b6a99543d40e289b7dfbfdc946c078de767323bddf173ee65f371ef820e274. 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/USB8U1039677.
Song of the Defenders of Moscow (arr. Y. Poteenko)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb867dff9e226181f41b3d62837915953488693e124767c5bacb62df1fa66f750. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USB8U1039679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe02b40f8364959893ca5e8ee753d706b6f30d763b9f63c5a2e73b3a0f51bf5d8. 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/USB8U1039683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08b3904c2271cbd22e46f5ef71a86614f1f506732bdb20f2568d3372ce7fac8. 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/USB8U1039687.
In a Frontline Forest (arr. Y. Poteenko)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x193e2be796c6d5ef596289491c6d06279325fd0e66875d0be8cbf5e76e67a2c4. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/USB8U1039675.
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 0x75ef80d8ff9b32f5b11afc4b314627f2a79eee3c277006aa563c9c3d8ae0c293. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USB8U1039678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f31bda2d1533dbde1b3f59a734a2f381b4610df4200182a194e4a84f0cacf2a. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/USB8U1039680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb97fec8f8203be96935a09969526df4cd75b5143cc122ee16817daa4616f202f. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/USB8U1039681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41abb3a40ec0757bff7556b868882aa269ff339fe5a1591350bb00242b5083e1. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), 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/USB8U1039682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2afcc5f154242d525a327f2ee952d23213652d4a2a54c285b3b91250e481c04c. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/USB8U1039684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x115c1cca1261d9bcc00920deada92e7678938303bc1b47994f8b30c2e50b1ab3. 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/USB8U1039685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a57c0d5b65d49b744b3e013824b335185c63df67086cc0a3c16b451a323992. 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/USB8U1039686.
Naji Hakim: Te Deum, Hymne de l'univers, Missa redemptionis
Rachmaninov: Piano Concerto No. 3 - Liszt: Fantasie über ungarische Volksmelodien, S. 123
Popov: Chamber Symphony for Seven Instruments - Symphony No. 1
Nápravník & Blumenfeld: Works for Piano & Orchestra (Hyperion Romantic Piano Concerto 37)
Brahms (Symphony No. 4 / Academic Festival Overture / Hungarian Dances Nos. 1 & 5 & 6)
New Philharmonia Orchestra St. Petersburg
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf098b381c653083b5b151d725feb6688359a0548b815a192a399e90c394820d3. 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/FR6V81080607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x541d7e9b85e93d8dc98506fc52ff90dedffedb8ebf422b78a3306921ec55d34e. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/FR6V81080606.
Bach: Orchestral Suites Nos. 1 & 2 - Handel: Concerto grosso, Op. 6 No. 7
Orchestral Suite No. 2 in B Minor, BWV 1067: I. Ouverture
St. Petersburg Classic Music Studio Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x306a93bdcfa4161fd9b6b3439c6c2f41bd3a0d1887610ab10bf640504951ac32. 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/USSM19915861.
Orchestral Suite No. 2 in B Minor, BWV 1067: III. Sarabande
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68fa68e1235991977caec286c35f4e889a464abc13fdd38d423cf5e01a9368d6. 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/USSM19915863.
Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrées I & II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe448d1afe2f5c964359ac5ac72d6500749793122fbd52d583a64a7f34ea60cf8. 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/USSM19915864.
Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x004306d876bb9c3bffc75720345d90076e676c26304f0a76cf1c994a715f8b67. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USSM19915867.
Concerto grosso in B-Flat Major, Op. 6 No. 7, HWV 325: V. Hornpipe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0754489bbf16c20367259c7b7c4ab7daff50c49832a8bad37db778d5c28ea9f9. 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/USSM19915873.
Orchestral Suite No. 2 in B Minor, BWV 1067: VI. Menuet
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e65ad8e9fe849c66f4d26d8624a2f1b8b869216f4e03cc15dc3ce878e78a70. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USSM19915866.
Concerto grosso in B-Flat Major, Op. 6 No. 7, HWV 325: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38447af86f7191ef10a8cfdbe0b9dc2f893273d1f7d857e3857f4c6d22ab49c5. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/USSM19915869.
Concerto grosso in B-Flat Major, Op. 6 No. 7, HWV 325: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x793fdad0b1ff0beaa845ee6da453ee5f90147e0b453bc905490464bc7fc5a46c. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/USSM19915870.
Vivaldi: The Four Seasons; Violin Concertos RV. 522, 565, 516
Concerto in E Major, Op. 8 No. 1, RV 269 "La primavera": I. Allegro
Orchestra "Classical Music Studio", St. Petersburg
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d6cf7742be49dd44312caa77b2ed85c160c023b52ba1750c0b198adfa2211b8. 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/USSM19915286.
Concerto in G minor, Op. 8 No. 2, RV 315 "L'estate": III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74c4f75b9e24c4c8e215ef95356688df5f510e254cdfee319ff663b669814cb0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM19915292.
Concerto in F minor, Op. 8 No. 4 RV 297 "L'inverno": I. Allegro non molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f18cdab962f09d2c50c63be3f7cba64f653558f0654b43d3f008e0c5d6d1935. 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/USSM19915298.
Concerto in F minor, Op. 8 No. 4 RV 297 "L'inverno": II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97bdb471559a91c38e6edcea1d04ab2310580720e5d9a1bada04db76e04e24c. 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/USSM19915299.
Concerto in A minor for 2 Violins and Orchestra, Op. 3 No. 8, RV 522: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9e458bb7931d07b8ee2d7c815319784667c78c72af0a7816dba9f77d2b1722. 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/USSM19915302.
Concerto in D minor for 2 Violins, Cello and Orchestra, Op. 3, No. 11, RV 565: I. Allegro II. Adagio e Spiccato - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39d50bb04d5f9fc6f74ce43ef4a6a3b78031e4449b5b7ce224a9c51d454ccd1d. 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/USSM19915306.
Concerto in D minor for 2 Violins, Cello and Orchestra, Op. 3, No. 11, RV 565: VI. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bdf1fe581af9a6e297e23037f498540e3d14d4425fe9ddaf58785c7759345d1. 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/USSM19915308.
Concerto in G Major for 2 Violins and Orchestra, Op. 21, No. 1, RV 516 (G-Dur/en sol majeur/in sol maggiore): III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70ffc85173b05c009047e9cc9d001515c1f84a59278db35db84f929f3751e1ea. 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/USSM19915312.
Concerto in E Major, Op. 8 No. 1, RV 269 "La primavera": II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526ff991bfff8f8d1f62d18958b21ec50064e46cf8cf0e3762725e1789ff50ba. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/USSM19915287.
Concerto in E Major, Op. 8 No. 1, RV 269 "La primavera": III. Allegro: Danza pastorale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f28f6a4a435d15a2bc3eca095879b247200ebe4b3ed5dab1bfc15b1170c1484. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/USSM19915288.
Concerto in G minor, Op. 8 No. 2, RV 315 "L'estate": I. Allegro non molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7abb8c486a9cb83d44b6fcf421fce365bb27f1c1202200c25851d2b89f79f32a. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/USSM19915290.
Concerto in G minor, Op. 8 No. 2, RV 315 "L'estate": II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92db12851ea4fc1a6a5b4eac5297060362efd09c45a37de8b4e5821f73538af5. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/USSM19915291.
Concerto in F Major, Op. 8 No. 3, RV 293 "L'autunno": I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x952159adf8de2a4d95d2c2fd42bfe16ac417e9a2c8313d68bec91a1561de53a2. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/USSM19915294.
Concerto in F Major, Op. 8 No. 3, RV 293 "L'autunno": II. Adagio molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa06d70d04ec795f4043d855155c9b5b5e5cf6d45f5fc5eb7837fa80e8c0b38e1. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/USSM19915295.
Concerto in F minor, Op. 8 No. 4 RV 297 "L'inverno": III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f25b71c2baf8aaa7991bb5dbc53eacf6252cb712e741fafc0656ae249b7b62. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USSM19915300.
Concerto in A minor for 2 Violins and Orchestra, Op. 3 No. 8, RV 522: II. Larghetto e spiritoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7e6360929555445c40b19fb58e81515d266c33d7e6e877363317fe4813c623a. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/USSM19915303.
Concerto in A minor for 2 Violins and Orchestra, Op. 3 No. 8, RV 522: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99686afb81327d88cd2460a42adc4eca821b05d67f64dfcd0598dae3dd830360. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/USSM19915304.
Concerto in D minor for 2 Violins, Cello and Orchestra, Op. 3, No. 11, RV 565: III. Largo e spiccato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd90de5eb0ceefa04aea8b6526cfe687c9a715fc037c77e7d6588574322731093. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/USSM19915307.
Concerto in G Major for 2 Violins and Orchestra, Op. 21, No. 1, RV 516 (G-Dur/en sol majeur/in sol maggiore): I. Allegro molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5f2ce297ed627463de271b5149b4c3e601e2c6de0d3853104dbd0108084ea99. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/USSM19915310.
Concerto in G Major for 2 Violins and Orchestra, Op. 21, No. 1, RV 516 (G-Dur/en sol majeur/in sol maggiore): II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40db16558f76ccfb4c7a1868421e27655edc289351f9d82165b33c2e861be4d6. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/USSM19915311.
Tchaikovsky & Dvorák: Serenades for Strings
Serenade for Strings in C Major, Op. 48, TH 48: III. Élégie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6ba7d09e9a85ee0b42950e43b33d4b28da8946abe7b6076b2a3dd82fd2e5573. 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/USSM19401002.
Grieg & Schumann: The Great Piano Concertos
Beethoven: Symphony No. 5 in C Minor, Op. 67 & Overtures
Beethoven: Symphony No. 3, Op. 55 "Eroica" & Overtures
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b8afcf4be00073eb8ee9fe3fb397be1e8fafa77ff9afb97bc9d4e5323c848cf. 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/USSM19303720.
Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
Classical Choice: Famous Overtures and Adagios
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d1f504ba52c456bd4db8336ce790abff57a8b4cc74ec0a312ede5eb7667da4. 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/DEKB72072240.
Saint Petersburg Orchestra of the State Hermitage Museum Camerata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb317c16876e2f4d1d4ae15cd4f909e478cc9c09697bf1b795dfb06a12fce4a27. 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/DEKB72413638.
Orchestra "New Philharmony" Saint Petersburg
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06173798e0bc1c84f5d31d6451e156d4340899c6d2253e0e46cd6fbb7c98bf74. 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/DEKB72413669.
Swan Lake, Op. 20, Act III: XXI. Danse Espagnole
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51ec32361d5666b2bf27009d79ff2d9b91c85988f8a84895e38ddd7f6fa072e0. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/DEKB72413628.
Clarinet Concerto in A Major, K. 622: II. Adagio
Saint Petersburg Orchestra Of The State Hermitage Museum Camerata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8eb31cc4c29c7f59cb7054ae4caf256236b4512dbc5eeebe5252bccff49ea35. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/DEKB72072243.
Symphony No. 9 in E Minor, Op. 95 "From the New World": I. Adagio - Allegro molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aba8a9b1235078c34967732baf4e78c1653ce589f12745c25621ae445efc8af. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/DEKB72413630.
Concerto grosso in G Minor, No. 8, Op. 6 (Christmas Concerto): II. Allegro
New Classical Orchestra Saint Petersburg
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e852a8b31bc0524230cb55d9b92f85e619a2f6009c293c20652e75a54736190. 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/DEKB72413643.
21 Hungarian Dances, WoO 1: No. 5, Allegro in F-Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa27e98db587ece90ec976a3089ab8e4041ef20e854320b645ee66b188d3866b2. 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/DEKB72413645.
Die Walküre, WWV 86B, Act III, Scene 1: "Ride of the Valkyries"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0119ca3d18fe920ffabf51a91d89558510aaa82f5fd46f601004f942e1345f9e. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DEKB72413672.