Mark Fridrikhovich Ermler (; 5 May 193214 April 2002) was a Soviet and Russian conductor. Leading conductor of the Bolshoi Theatre in the 1980s and 1990s. Biography Mark Ermler was born in Leningrad
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 0xf914d4d08cc9723f3435dbfcf019e2ad324a8fc3f3924743db1e9a990af47098. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/835f56e3-eaa2-413b-8fcb-fea13467e3ed.json and https://artists.proofprofile.net/proofs/artist/835f56e3-eaa2-413b-8fcb-fea13467e3ed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Паата Бурчуладзе. Арии из Опер, Русские Народные Песни
Bizet: Symphony in C; Carmen Suites 1 & 2; Jeux d'Enfants
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 0x7ad2550912f59dc5cbdcafbe0e218b799c970e36e76ac248c6698baf3efbad52. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USX761219809.
Franz Liszt: Symphonic Poems (Hungaria, Orpheus, Prometheus, Hamlet, Hunnenschlacht)
Rimsky-Korsakov: Mozart and Salieri, Op. 48 & The Noblewoman Vera Sheloga, Op. 54
Glinka: A Life for the Tsar (Ivan Susanin)
A Life for the Tsar (Ivan Susanin), Epilogue: Chorus "Slavsya, slavsya ty, Rus moya!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0befe6929b5ccd7e6c3d51379adb12cc031522374c307ad982695b496b6cf01a. 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/UK2Y21316040.
A Life for the Tsar (Ivan Susanin): Overture
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380ff686c50a456d2a26440a6474a58cb93cc325730cbaa0fa6601562dc959a8. 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/UK2Y21316007.
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
A Life for the Tsar (Ivan Susanin), Act II: Waltz
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43636e84f85285d7a9018d533f21f945d7739f43639c406d5d6ef1fc7352b1ab. 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/UK2Y21316018.
Orchestra of the Royal Opera House & Covent Garden
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf743ecb99703560c80dbfef87c2fddc6fc60cea578641d9d60632af59623a927. 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/USX761428603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6e320bc45b54ec05e1ab1b877022b417db1eff9d3df4f263dbd4b06322f452. 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/USX761428605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf83e7750da7707a45d2cfca1bd8f33eacd9344bcaa291350e758cd74e9cdb711. 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/USX761428606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f091a264db5a81992c14caa102cdcff399edfa9d4b03c8d93de098085bc2b32. 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/USX761428607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee2ffa57a6f09f3f121936e4793eb863b1674b5e3b395602587c6889954b093d. 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/USX761428609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6359243b06a14bd853e9fde2eef6960f76a938c81888e46640a2291ef19b90b5. 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/USX761428614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x539b37bc34242a4c64b9f4d1827c936bd777e4d72d22213cf7a63e5f50a001d6. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USX761428618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12f41ac6c1e7fd354fefad8e9ff568df5bfb4e4a3043eafe24a9420fbf0c4cc1. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/USX761428619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25d9610d13de86b6049e0c062ec07ac98312915ce7af5125464bb47e4dc85797. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/USX761350401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72b32e973837fccce156bbbef8b653eaf62e25f40a516a7a31f6d53f259b628. 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/USX761350414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce2b2d495fdbf04829aa6aabb509f39f08e0e612cab8828161f5a52229f72bd8. 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/USX761350415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e1f79ca39887a25a2585986d6d0a3ac1b7f1060d4edba95360be7ed223e97bb. 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/USX761350404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8410c015c4e3308d38d11d6527e47fc2e77220c4d2706a06169f7f572e478092. 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/USX761350405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3bc82203988f2001d95fc7c6aba8f7d89e8cf6be9dedfdce65ee25158ad357. 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/USX761350418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8c90b86d93ce4c36b2ac3ce71860ce566a38b4373e4a3e0f533eea4504dd258. 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/USX761350407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a463c2c958da492a70f796e294cd8de593452de91d028d51675769ae6796237. 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/USX761350421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f146f62f31b8dc48494c84afc1ab6ec9a70ff8e3ac8253d984345b121bfda85. 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/USX761350411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f376f4f524ff8de7fe3b3d9477e193932a52257566a338eef624f1d255cc042. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USX761350412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4d59ae3095dc2b341e4738cb1491a6458f53d46315576fb6395ac3deb92eba8. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USX761350413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3abcc66be74590f54e7fcdfd5d25756990d5b47ce94043a0ef31f4554d6324df. 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/USX761350402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc620b2c8b4ebfd64c8b6aacc900389a83eb92a43926d1a9e85068905136eeb66. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/USX761350403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4515667a68c4ce693a284cafc20acf638316b1db77fb7f4897c7534598fd94a6. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/USX761350416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025ab5b23cb8c5074a21f54e345a4e03e9294f1b3925dbeba09cb50c55e8037f. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/USX761350417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccd278a9967564da87245b21a5f6c640e3628b3f10034b7fca8ec5bf72db5fae. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/USX761350406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47d9a128829d2004ccc97ff1f626751e53f3ded43fb38585fde35a4496e3e326. 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/USX761350419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x895dbe1757f316321a7e9a1d16e0161ba5ed69ff15662cef8df662b22701a9a8. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/USX761350408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6229127a000f90fc8eba2fd0198ade294a313489451138349b98323f7a32208b. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/USX761350420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087a6b9aec51bcd0027074cc4baa2980bf46cb5232d06e9459c1ea505493089f. 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/USX761350409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc504711d3dc2994822e020d4c0c6c8d4a88ecc62d867c148039579b48311f6. 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/USX761350410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d089c3b585cadf8177d80e89d55d6709280397fc64f0e0e872e469339b3d2d9. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/USX761350422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55356e3a85adce86acb4f26f8889a98523d25f295b3c714c823f956f6651d1b3. 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/USX761350435.
Peer Gynt, Suite No. 1, Op. 46 for Piano : IV. In The Hall Of The Mountain King
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x950ec1fcffcb27ecacb77d415f2396f033cf6e81e9d12962616998825e2d101a. 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/US6R21223575.
Peer Gynt Suite No. 1, Op. 46: II. Åse's Death (Andante doloroso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87bafe1102d1fa457a5873d2c9d7f9a895a3ca42fce095ac8d6aefb4c484f30c. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/US6R21223573.
Hadyn Concerto for Violin and Orchestra No. 6
Glinka: A Life for the Tzar Opera - Priest Kholminsky Highlights - Waltz Phantasy - Ruslan & Lumilla Dance Act III
Ludwig van Beethoven, Symphony No. 6 In F, Op. 68 (Pastoral)
Золотая классика. Избранная русская классика
Князь Игорь: Половецкие пляски из 2-го акта
Симфонический оркестр Государственного академического Большого театра СССР
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e27e3bb448830d67f96d1d91e4caab0aa78d60f1f6f7d511d30aa942d662e96. 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/USA371479441.
Velikie ispolniteli Rossii XX veka: Leonid Sobinov (Deluxe Version)
Russian Conducting School: Mark Ermler, Vol. 2
Russian Conducting School: Mark Ermler, Vol. 1
Russian Conducting School: Mark Ermler, Vol. 3
Tchaikovsky: The Queen of Spades, Op. 68 (Digitally Remastered)
Mussorgsky: Boris Godunov (Digitally Remastered)
Romeo and Juliet, Op. 64: No. 13 Dance of the Knights
Orchestra of the Royal Opera House, Covent Garden
J'aime pas le classique mais ca j'aime bien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf78b802e301ec840dcd7b83251921a86202b34a97ad4e73f1ac8897283eda22. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBARU9400102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37caa8368a37dd31431ed6ab8bf447d513826c0973fbbbd90e26c45bc1738950. 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/GBARU9300058.
The Nutcracker, Op. 71: No. 12, Divertissement: Dance of the Flutes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9815fce4e802c0ae2e95cec7ddb8fa8affc9518821a53672fdf08dca87b12d47. 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/GBARU8900086.
Swan Lake, Op. 20: Op. 20: Act IV No. 29, Scène Finale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e154d378a3ba46064a926ecb0475b0564a0604835e88a6f69a4eee3d56d7a88. 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/GBARU8900154.
Ich mag keine Klassik, aber das gefällt mir!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf78b802e301ec840dcd7b83251921a86202b34a97ad4e73f1ac8897283eda22. 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/GBARU9400102.
Prince Igor, Act II: Polovtsian Dance with Chorus "Uletay na krylyakh vetra"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23c697e884e034d4d9b5caf38e57820a8e15b64493b7f602a67d7352c63e249b. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/UK2Y21602964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9815fce4e802c0ae2e95cec7ddb8fa8affc9518821a53672fdf08dca87b12d47. 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/GBARU8900086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37caa8368a37dd31431ed6ab8bf447d513826c0973fbbbd90e26c45bc1738950. 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/GBARU9300058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e154d378a3ba46064a926ecb0475b0564a0604835e88a6f69a4eee3d56d7a88. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBARU8900154.
Prince Igor, Prologue: Introduction "Knyzya, pora nam vystupat"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8143cfe3cfbd96685a35ed87c14cd99c2d08cb6879fc47d56ca3aabcf7db6c54. 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/UK2Y21602940.
Prince Igor, Prologue: Introduction "Pust pridut knyagini i boyaryni"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa7fa77229a46165d137faa7474aa34f75da7a3f602aa82706f55e479e62de32. 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/UK2Y21602941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ff4b7b14e33aded0a9d11df3940f0fe10a7da9234da842e8e73fa28257e67c6. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/UK2Y21602937.
Prince Igor, Prologue: Introduction "Solntsu krasnomu slava!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x872d4b8d321f28fa0d88bfdd2e9b936d51a12a65a0960b07426ab3624f039b0e. Chain 2 (Bitcoin): anchored in block 960231 (2026-07-30T08:33:28Z), 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/UK2Y21602938.
Prince Igor, Act II: Chorus of the Polovtsian Maidens "Na bezvode"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb1cde1fd60ac4c95c532f85c7764deba01a64f5981cd3cb0f540ac52e90b4a6. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/UK2Y21602953.
Prince Igor, Act II: Dance of the Polovtsian Maidens
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbcfb337f3c36f782b9916a0a73b39f266598eb6d344a2478055aadcfc3bcb97. 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/UK2Y21602954.
Prince Igor, Act II: Polovtsian Dance with Chorus "Poyte pesni slavy khanu!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe980817ecb4ad8b67a093767c356ea698630eb88777e68934bbf7d5f798300a3. 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/UK2Y21602965.
Prince Igor, Act II: Polovtsian Dance with Chorus "Slavoy dedam raven khan"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8fa8cf742f15d5658e605dfb36f3604e58259689bac1725767e44edbc1b36b8. 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/UK2Y21602966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11ac580031d9debc5decd0f7470f42edc672db75461703f295172fa29c7ded2. 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/USX761324201.
Prince Igor, Prologue: Introduction "Idem na bran s vragom Rusi!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e5cfbc24c0f97912653f583196da27d37ae66222383ad9b7f28008c130364b9. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/UK2Y21602939.
Prince Igor, Act I Scene 1: Chorus "Goy! Slava! Slava Volodimiru"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x734024137ebba1e812310344678184ae3aecdee60b260a3d96cc3cccc32cd78f. 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/UK2Y21602942.