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 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 0xec5cb0d4270ab0a5c8bb6b25fb1570b1f283ee009dd95b47cc8a7f03f4c10c76. Chain 2 (Bitcoin): anchored in block 953812 (2026-06-15T17:06:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f7a5d664-b58b-40ef-a7aa-998330458b84.json and https://artists.proofprofile.net/proofs/artist/f7a5d664-b58b-40ef-a7aa-998330458b84.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Les 100 Plus Beaux Airs de Roberto Alagna
Orchestra of the Royal Opera House, Covent Garden
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 0x61432c7e3f0b6efeffe509d83af5a6243ddc58a05400932e181f6c35b9412f70. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203203 — a six-check JSON result.
Ave Maria, D.839 - Arr. Jeff Jarratt and Robin Smith
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e00490ecf7a42eb22d75412f00a9c001f3ddee92587fb3013418f073ccfd6f6. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002597 — a six-check JSON result.
L'elisir d'amore / Act II: Una furtiva lagrima
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6f792ae5bb5278bfff2ddbf1b55382ea7fe771d9ead6a5768420d613e8339e6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0103080 — a six-check JSON result.
Les pêcheurs de perles, WD 13 / Act I: À cette voix... Je crois entendre encore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe239f4615706572c66e8fc1a2e656f54d659cb9ec332577b0bee3f631cf528b3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0003010 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e0fa134dfba48868afadaaed55d6a768a1d0b61cb7df1d2941f7a4d5998abb. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9500376 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3214dd9b019c48236b22d63bbaeea3e0d5a688185dc6fb9dee46b856938c25e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0301566 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6f792ae5bb5278bfff2ddbf1b55382ea7fe771d9ead6a5768420d613e8339e6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0103080 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d7dc0f6a58ed86655906b17495089d0b9563d2ba738ee9c9df618f73d41a7a9. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9500381 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a23ba0c6efdfb2342611ee1d02ebb5a902d3d93f8491737352f2a33f836f495. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302236 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae2d6f58b24de901b503285b3b75cd86ceef461e78475e5d7a4465412dcb6d52. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4529580100 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b64a7ddb067e6c27074ba09c761ce4b9c6335c7b1130738c3fef39c3e9d3519. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9500722 — a six-check JSON result.
Andrea Chénier / Act 4: Come un bel dì di maggio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b19e529b515b0ce7d769d20a5b2beb6ac13979845f6374537f66d66934e2e9. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302226 — a six-check JSON result.
Orchestre Philharmonique de Radio France
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2082391cab4f0a01f3c92a23a1f8c5be2f5a568673ce3cf0711c2895da1d3c83. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713533 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe18561bd1bf96262b2cb523c7da23dabb88190b415527dda946093c174b2ada9. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713534 — a six-check JSON result.
Le villi, Act I, Scene 3: Se come voi piccina io fossi (Anna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61ba55cc639bbe225c4e4f04d5a7e74ed58ca8fc76e381dd3e9e38555370b890. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713535 — a six-check JSON result.
Le villi, Act I, Scene 4: Non esser, Anna mia (Roberto, Anna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd40a2cc32bcdace99aaff684e9e412bf78759d4980ca6fa964527835e7271ada. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713536 — a six-check JSON result.
Le villi, Act I, Scene 5: Presto in viaggio (Anna, Roberto, Guglielmo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5059e61734804d37439a397479900ae4fd09904590f3d98dbd9c2ae10f92f094. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713537 — a six-check JSON result.
Le villi, Act II, Scene 1: L'abbandono (Récitante)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcee3fcfa4f0b80e9fa1725dba13a01fa5ec53671b2685f6c1af4ba50c783ae4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713538 — a six-check JSON result.
Le villi, Act II, Scene 2: La tregenda (Récitante)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46040624ac846692dbfa04e1b08081ecd316a2895b8b59f28467df56f52d077b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713539 — a six-check JSON result.
Le villi, Act II, Scene 3: Anima santa della figlia mia (Guglielmo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79c031ab6c30b841ae1998c24362d4831092f22318c1aa088710b131ca898827. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713540 — a six-check JSON result.
Le villi, Act II, Scene 4: Torna ai felici (Roberto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x123d37e4dd3cad64f25f5cb5bab4e89fb833860f6317119a4d60ccea83c89ae1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713541 — a six-check JSON result.
Le villi, Act II, Scene 5: Gran scena e duetto (Anna, Roberto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd83f78661220846738f750c2219a95c83a991fc4ce09b8501a4c2bca7eb56220. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1713542 — a six-check JSON result.
Ettore Pozzoli: Allegro di concerto, Tema con variazioni
Sgambati: Concert for piano & Orchestra (& music by martini, corelli, gluck & respighi)
Concert for Piano and Orchestra in G Minor, Op. 15: Moderato Maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x273fa59a166592668560fe74beeb2155fc498b09a1ce9e9d57c2541d9bee43a3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290629 — a six-check JSON result.
Concert for Piano and Orchestra in G Minor, Op. 15: Romanza
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c617e0d032407208f017be61884ac234680508c7405d9d79be82c1c072330e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290630 — a six-check JSON result.
Concert for Piano and Orchestra in G Minor, Op. 15: Allegro animato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d3d1a8a8078890d0135c7fadad2d67c3fbcaa760c0f673810a7b7bb873e79a5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290631 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3f13ca1db113a123a848f12419acade2482e7bee5b035a34d93bda5366e7283. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290632 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78d428bf25581deaa0d848ba3a5b736b7bce0b07ca353a7d0f02f32879a4c080. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290633 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c6c009a1744567efaa51ceb959c7e91facd91974538bcf94dba9d35d6f4564. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290634 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd88a8e99d33143c40dba67549e6a104a4256a8914c9528d77553b8c2dbfa16ed. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290635 — a six-check JSON result.
Antiche danze e arie per liuto sec XVI - XVII, Free transcription for piano: Balletto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30959c34045acb6b5bd517cd0bb0c17ff0e9732028860e33bd7b46f87227b4b1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290636 — a six-check JSON result.
Antiche danze e arie per liuto sec XVI - XVII: Villanella
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa20c1d838159c8c95beb5fb58b061ec3bf3af35006876c946346f2fa3a124f. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290637 — a six-check JSON result.
Antiche danze e arie per liuto sec XVI - XVII: Gagliarda
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6915e0b83036483a0015c3fc085f5c4743b706cdbfdcc062e1439633bb019708. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290638 — a six-check JSON result.
Antiche danze e arie per liuto sec XVI - XVII: Italiana
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb46fc8716ed9edbf76c386ce280f1f2b7e5aa32b0eb20293281383bb0f7ea1e9. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290639 — a six-check JSON result.
Antiche danze e arie per liuto sec XVI - XVII: Passacaglia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88c69bdee0e1f7ede39edfc4905de238ab55b57103d6e4ac14fc5941981706d6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V81290641 — a six-check JSON result.
Piano Concerto No. 1 in E-Flat Major, H. 27: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89b543607ebf11dc256aa0a9c622fb19a075391cff35aaf667cb701dc2f64c09. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330904678 — a six-check JSON result.
Piano Concerto No. 1 in E-Flat Major, H. 27: II. Air écossais. Adagio non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43778115f6abccbc43f85a0166c5647b23b7fb216e97a20155d367b940cc366c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330904679 — a six-check JSON result.
Piano Concerto No. 1 in E-Flat Major, H. 27: III. Rondo finale. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d06507cc59cbcf2aaf717d7e2da0adf5ef58a28d730a973028fe3f8c1904646. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330904680 — a six-check JSON result.
Piano Concerto No. 2 in A-Flat Major, H. 31: IV. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa709c35f6ec45d52cfc5769be02ea63f152bbdf650b665bc620bf73300be0010. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330904681 — a six-check JSON result.
Piano Concerto No. 2 in A-Flat Major, H. 31: V. Poco adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46431fc9cf6e7f0c2e7bbef034ce4e999785f344f92965556b8eae22224b8bb6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330904682 — a six-check JSON result.
Piano Concerto No. 2 in A-Flat Major, H. 31: VI. Rondo. Moderato innocente
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb1a42fc063e0e05e67cf02ea429289a99c68da7f8334a2a0755c03dfa3b5e0a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330904683 — a six-check JSON result.
Piano Concerto No. 3 in E-Flat Major, H. 32: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x414c5368f1286234a7673cdaaf1b722c76dcb19356e713eee34cc6dbfcbfd16a. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330904684 — a six-check JSON result.
Piano Concerto No. 3 in E-Flat Major, H. 32: II. Nocturne No. 2 in C Minor, H. 25. Moderato e molto espressivo
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Piano Concerto No. 3 in E-Flat Major, H. 32: III. Rondo. Tempo di polacca
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Piano Concerto No. 4 in E-Flat Major, H. 28: I. Allegro moderato
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Piano Concerto No. 4 in E-Flat Major, H. 28: II. Siciliano. Un poco adagio
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Piano Concerto No. 4 in E-Flat Major, H. 28: III. Rondo. Allegretto
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Piano Concerto No. 5 in C Major, H. 39 'L'incendie par l'orage': I. Allegro moderato
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Piano Concerto No. 6 in C Major, H. 49: II. Larghetto
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Piano Concerto No. 7 in C Minor, H. 58: I. Allegro moderato maestoso - Lento - Tempo I
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Nabucco, Act III: Va, pensiero, "Chorus of Hebrew Slaves"
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Il trovatore, Act II: Vedi, le fosche notturne
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Piano Concerto No. 2 in G Major, Op. 44: II. Andante non troppo
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Oboe Concerto in F Major, BWV 1053: II. Siciliano
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Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
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Piano Concerto No. 24 in C Minor, K. 491: II. Larghetto
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Piano Concerto No. 3 in C Minor, Op. 37: II. Largo
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Martinia Franca Festival - 30th Anniversary
Eternity: The Timeless Music of Australia's Composers
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Scenes from Mer de Glace: Prelude, Lake Geneva
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Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": I. Allegro
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Piano Sonata No. 11 in A Major, K. 331: III. Rondo, "Alla turca"
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Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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Serenade No. 10 in B-Flat Major, K. 361, "Gran Partita": IV. Adagio
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Masonic Funeral Music, K. 477: Maurerische Trauermusik (Masonic Funeral Music), K. 477
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Serenade No. 6 in D Major, K. 239, "Serenata Notturna": I. Marcia: Maestoso
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String Quartet No. 19 in C Major, K. 465, "Dissonance": I. Adagio - Allegro
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Piano Sonata No. 18 in D Major, K. 576: II. Adagio
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Ave Verum Corpus, K. 618: Ave verum corpus, K. 618
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Die Zauberflöte, K. 620: Act II: Der Holle Rache kocht in meinen Herzen
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Le nozze di Figaro (The Marriage of Figaro), K. 492, Act I: Aria: Non più andrai, farfallone amoroso
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Il rè pastore, K. 208: Il re pastore, K. 208, Act I: Aria: Aer tranquilo e disereni
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": 1. Adagio sostenuto
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Lucrezia Borgia: Prologue, Scene 1: Bella Venezia! (Gazella, Petrucci, Orsini, Liverotto, Vitellozzo)
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Lucrezia Borgia: Prologue, Scene 1: Nella fatal di Rimini (Orsini)
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Lucrezia Borgia: Act I: Finale: Infelice! Il veleno bevesti (Lucrezia, Gennaro)
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Lucrezia Borgia: Prologue, Scene 1: Senti! La danza invitaci (Chorus)
Il Coro Lirico Marchigiano “Vincenzo Bellini”
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Lucrezia Borgia: Act II Scene 1: Rischiarata e la finestra (Rustighello, Chorus)
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Lucrezia Borgia: Prologue, Scene 2: Tranquillo ei posa (Lucrezia, Gubetta)
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Lucrezia Borgia: Prologue, Scene 3: Com'e bello (Lucrezia)
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Lucrezia Borgia: Prologue, Scene 3: Di pescatore ignobile (Gennaro)
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Lucrezia Borgia: Prologue, Scene 3: Ama tua madre (Lucrezia, Gennaro)
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Lucrezia Borgia: Prologue, Scene 3: Gente appressa (Lucrezia, Gennaro)
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Lucrezia Borgia: Act II Scene 5: Il segreto per esser felici (Orsini)
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Lucrezia Borgia: Prologue, Scene 3: Maffio Orsini, signora, son'io (Orsini, Gazella, Petrucci, Liverotto, Gennaro, Lucrezia)
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Lucrezia Borgia: Act I Scene 1: Vieni, la mia vendetta (Duca)
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Lucrezia Borgia: Act II Scene 8: Figlio! … Era desso il figlio mio (Lucrezia)
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Lucrezia Borgia: Act I Scene 3: Qui che fai? (Rustighello, Astolfo)
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Les pêcheurs de perles. WD 13, Act I: "Je crois entendre encore"
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Lalo: Symphonie Espagnole Op. 21 / Concerto Russe Op. 29
Bartok & Ravel & Tsjaikovski: Marco Guidarini
Carissimi, Donizetti & Schumann: Mary Stuart Queen of Scots
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Gedichte der Konigin Maria Stuart, Op. 135: No. 1. Abschied von Frankreich (Farewell to France)
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Gedichte der Konigin Maria Stuart, Op. 135: No. 2. Nach der Geburt ihres Sohnes (After the birth of her son)
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Gedichte der Konigin Maria Stuart, Op. 135: No. 3. An die Konigin Elisabeth (To the Queen Elizabeth)
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Gedichte der Konigin Maria Stuart, Op. 135: No. 4. Abschied von der Welt (Farewell to this World)
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Gedichte der Konigin Maria Stuart, Op. 135: No. 5. Gebet (Prayer)
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Maria Stuarda: Act II: Allenta il pie, Regina
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Maria Stuarda: Act II: O nube! che lieve per l'aria ti aggiri
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Maria Stuarda: Act II: Nella pace del mestro riposo
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Maria Stuarda: Act III: Anna! - Io vi rivedo alfin - Deh! Tu di un'umile preghiera il suono
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Maria Stuarda: Act III: O colpo! - E gia vicino del tuo morir l'istante
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Maria Stuarda: Act III: Last Scene: Giunge il Conte
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Maria Stuarda: Act III: Ah! se un giorno de queste ritorte
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Verdi: Trouvere (Le) (Il Trovatore) (1857 Paris Version)
Verdi: Macbeth (Original Version, Florence 1847)
The 50 Most Essential Classics of the Romantic Era
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Samson et Dalila, Op. 47, Act II: Mon coeur s'ouvre a ta voix
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Xerxes, HWV 40, Act I: 1b. "Ombra mai fu"
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L'elisir d'amore, Act II: "Una furtiva lagrima"
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Les Pêcheurs de Perles, Act I: "Au fond du temple saint"
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Orphée et Eurydice, Wq. 30, Act III: "J’ai perdu mon Eurydice"
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Nabucco, Act III: Chorus of the Hebrew Slaves "Va pensiero, sull'ali dorate"
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Macbeth, Act II: Come dal ciel precipita (Banco)
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The Classic 100: Opera - The Top 10 & Selected Highlights
Tristan und Isolde, Act III, WWV 90: Liebestod, Mild und leise
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Rigoletto, Act III: Un dì, se ben rammentomi - Bella figlia dell'amore - Live
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Der Rosenkavalier, Act III: Marie Theres' - Hab' mir's gelobt - Ist ein Traum - Spür nur dich
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Orfeo ed Euridice, Wq. 30, Act 3: "Che farò senza Euridice?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85834c06e6132a6c35e95ede80173b96d32810a6fc4b08714d126e4529b15426. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00850990 — a six-check JSON result.
Pines of Rome, P. 141: 3. The Pines of the Janiculum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x253abb4420e6746d6f3499da6d48f3f86ff73f8c63ef8ec32eef23ff943e06d0. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09450142 — a six-check JSON result.
Les Contes d'Hoffmann, Act II: Barcarolle: "Belle nuit, ô nuit d’amour"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50cd7a1851a56aab037e595619aafc614ba84278d2a990cd778e2e0c9a0e6002. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00650130 — a six-check JSON result.
La traviata, Act I: E strano! - Ah, fors'è lui
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb5204328f322a967d6a3e939539f9b81a917469d098a521617eab3a9f6d424d. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T06:33:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09450107 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecd5f30a8fba83f5b00b28b7b31ac3fca2aa02958db93bf88586cde466bd448e. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01550654 — a six-check JSON result.
The Music of the Night (From "The Phantom of the Opera")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdae1efd3fbe4770a2af4c4437ec13cae7a5434d5fa77126685d657f67ac6cb90. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01550656 — a six-check JSON result.
The Barber of Seville, Act 1: "Largo al factotum"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f4511fcfcf03b598a2bb11c59fae17eaea397a71f895f12040869cd7637e37. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01550657 — a six-check JSON result.
Carmen, WD 31, Act 2: "Votre toast, je peux vous le rendre...Toréador, en garde"
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