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 0xe75f7acb1434f16d8043ebf7b1d40d21f0a4c374753687132edab71dfc321cfb. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98171b53-c0d9-4b58-96d1-2c3c662d5368.json and https://artists.proofprofile.net/proofs/artist/98171b53-c0d9-4b58-96d1-2c3c662d5368.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Offenbach: La Vie parisienne: Gaîté parisienne - Can-Can No. 4 (From Orphée aux enfers)
Orchestre National de l'Opéra de Monte-Carlo
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 0xde0af897014915baea37bc6955ae33bf332f87860aeee80fffb98796aa364d64. 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/GBAYC1204881.
Offenbach: La Grande-Duchesse de Gérolstein, Act 1: Overture
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f4000607817e14ea07c58196b63a89afba457be3c9658590cc3bff9afe40dfa. 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/GBAYC0402545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b317d0b915e6e9790e4bd9993c743e031f639800a1fca222371feae53be7d4a. 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/FRZ118802739.
Delibes: Les filles de Cadix "Chanson espagnole"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe520ef0f15fc27b69d822a4fe13b79af729138b2078b69d1486405034de365a. 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/FRZ119702200.
Verdi: La Traviata, Act 1: "È strano! È strano!...Ah, fors' è lui... Follie follie... Sempre libera" (Violetta) - extract
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a8c1f75397c6c9a4872fc7e1cca01ba4a55f1e48105ff5db8b280f1fab517bb. 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/GBAYC1402657.
Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin der Nacht)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32ec0b89538f34053b6e509ac547e72893826c351a50b18edebd74710d47dbc5. 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/FRZ209506903.
Les Indes galantes : Les Sauvages - Danse du Calumet de la Paix et duo Forêts paisibles
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d893b0ea571863417956793c4c3c63f5ff4928d80b7050b5948fc26ebe7bf2d. 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/GBAYC1105237.
Arlen: Somewhere Over the Rainbow (from "The Wizard of Oz")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f16a294e766c6d79be065237fb3550be0c3f23f911119f0b9a3efe8bbca1767. 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/GBAYC1001220.
Legrand: Les moulins de mon coeur (from the movie The Thomas Crown Affair)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30eb9ba3c735bdcd67ce80a9d5f202d86875d01c933eed028e77f851b72dd745. 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/GBAYC1302306.
Bellini: La Sonnambula, Act II: "Ah! no credea mirarti" (Amina/Teresa/Rodolfo/Elvino/Alessio/Coro)
Evelino Pidò/Natalie Dessay/Carlo Colombara/Francesco Meli/Sara Mingardo/Orchestre de l'Opéra National de Lyon/Choeurs de l'Opéra National de Lyon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x337b3cacfee6466466bef731290dcd98c11f711ebc42f439b15e9d40810f6ae2. 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/GBAYC1402645.
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
Handel: Serse, HWV 40, Act 1, Scene 1: Accompagnato. "Frondi tenere" - Arioso. "Ombra mai fù" (Serse)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a90f2843394c64ce5eec39a2157a00360189d726414dee234ea457c66c14a32. 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/GBAYC1301902.
Handel: Rodelinda, HWV 19, Act 2, Scene 7: Duetto. "Io t'abraccio" (Rodelinda, Bertarido)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb73136a713a3b3d89478e45f6a0f87d36134f27ddc1111496596b3b5b0ea966. 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/GBAYC1302091.
Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi che sapete" (Cherubino)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85da1a23932cc5fb5db5e47cbb6d91c31638af43c468544d81bf7c9f8bc784bb. 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/GBAYC1002811.
Mozart: Don Giovanni, K. 527, Act 2: "In quali eccessi, o numi... Mi tradi quell'alma ingrata" (Donna Elvira)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba7e44cd2c8b39a2a9fca607fba85e058459ce11dc71169239ceba011accfd8e. 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/DEN961130844.
Rossini: Il barbiere di Siviglia, Act 1 Scene 5: No. 9, Cavatina, "Una voce poco fa" (Rosina)
Orchestra dell'Accademia Nazionale di Santa Cecilia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10beea31d7f612cc9480feba207bd123912930ad8b0a228ecbea491e84851190. 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/GBAYC0902086.
Rossini: Maometto secondo, Act 1: "Giusto ciel, in tal periglio" (Anna, Chorus)
Coro dell'Accademia Nazionale Di Santa Cecilia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb70ecb0a8923d900b1c608b771322ae0afa680b0488eb395e783ad2ca9291af3. 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/GBAYC0902078.
Pacini: Stella di Napoli, Part I: "Ove t'aggiri, o barbaro" (Stella, Marta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa679fc177562f5ce6e49fd2d38a21efa6587ebe3de26bf217054a4d67f4ec903. 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/GBAYC1402059.
Bellini: Adelson e Salvini, Act 1: "Dopo l'oscuro nembo" (Nelly)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a15f135cbce7149768f74c3548e9cc00dc0ba9886e134e28b3c013ac22332d9. 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/GBAYC1402060.
Donizetti: Elisabetta al castello di Kenilworth, Act 3: "Par che mi dica ancora" (Amelia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaea5b4593b320277f61edd88e16466be44452d3b01311a06ad140d8355a3aed4. 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/GBAYC1402063.
Donizetti: Maria Stuarda, Act 3: "Io vi rivedo alfin... Deh! Tu di un'umile preghiera" (Maria)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88dec3994089c2f3323dcc21d603f15634b4660474aa5c5c172706a425a628a4. 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/GBAYC1402064.
Rossini: Zelmira, Act 2: "Riedi al soglio" (Zelmira, Polidoro, Ilo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x532d815c45c124e37edfe19828c533e1bef11dc14b9c4338ac50d2a851a8a497. 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/GBAYC1402058.
Offenbach: Les contes d'Hoffmann, Act 1: "La vérité, dit-on, sortait d'un puits" - "Quelle Muse" (La Muse, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14903e31ce96201e6001a564305c2d0bec3da4d86d3da736959f47b36a5faf55. 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/FRZ209616803.
Offenbach: Les contes d'Hoffmann, Act 1: "Elle est sur la scène, un peuple l'acclame" (La Muse, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5df107b3d58613c90fbab43ea0f158f7c2b2b06a5bcb63d145952e9d1d5b207. 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/FRZ209616804.
Offenbach: Les contes d'Hoffmann, Act 1: "Deux heures devant moi" - "Vite, vite qu'on se remue" (Lindorf, Luther)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f8ffed033e0ea9c4fdea4666adb1b9b8536bf9344a465fff59a31f539f96cf1. 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/FRZ209616808.
Offenbach: Les contes d'Hoffmann, Act 1: "Drig ! drig ! drig !" (Chœur, Hermann, Luther, Wilhelm, Wolfram, Nathanaël)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59c5426d65d419b8f61a416816e7293755c68f7526ad0f1a169054553d8578b. 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/FRZ209616809.
Offenbach: Les contes d'Hoffmann, Act 1: "Bonjour, amis !" (Hoffmann, Nicklausse, Nathanaël, Wilhelm, Wolfram, Hermann, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfad5d4af0e17dec99f870767607e9838753da039d73b1253ff852265e7b339a8. 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/FRZ209616812.
Offenbach: Les contes d'Hoffmann, Act 1: "Messieurs, on va lever le rideau !" (Luther, Nathanaël, Lindorf, Nicklausse, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c2e3098bb0a9ff9ede24e8905e550e6da9d974fe4d3fbacf69e8d445c0f3105. 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/FRZ209616819.
Offenbach: Les contes d'Hoffmann, Act 2: "Allons ! Courage et confiance !" (Hoffmann)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62c6235657fd72b56104bc171b762c9fec5c4c6ac606f0061faf0ed12c028e29. 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/FRZ209616822.
Offenbach: Les contes d'Hoffmann, Act 2: "Pardieu ! J'étais bien sûr de te trouver ici !" (Nicklausse, Hoffmann)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d6dd89542a5f2861072a0ab4313a95f8e383ac20d28a526eca7ad288dc27115. 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/FRZ209616823.
Offenbach: Les contes d'Hoffmann, Act 2: "Serviteur !" (Hoffmann, Coppélius, Nicklausse)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac953051ab4027bcfc5e290e3f06c9981e76bcb501c183303b6b1f96f2c82816. 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/FRZ209616828.
Offenbach: Les contes d'Hoffmann, Act 2: "Non aucun hôte vraiment ne reçoit plus richement !" (Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x945fba377b2f3c0886296b96057b355072ad0392e4bc54b13a6a70ceaf9528bc. 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/FRZ209616831.
Offenbach: Les contes d'Hoffmann, Act 2: "Voleur ! Brigand ! Quelle déroute !" (Coppélius)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa214cd7c5b212d11b518a5d6633a0432b553159f9e757c58fd03dd96f6f57e60. 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/FRZ209616840.
Offenbach: Les contes d'Hoffmann, Act 3: "Elle a fui, la tourterelle !" (Antonia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e2feb23971465922edaf360dc025bf4dac162d9122bd3352a33a23d30a7e85. 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/FRZ209616902.
Offenbach: Les contes d'Hoffmann, Act 3: "Jour et nuit, je me mets en quatre" (Frantz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1ae04dcea04b0dbd3813240c3cbf0ad2647624c42a84952fb8aa951f174a7a7. 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/FRZ209616904.
Offenbach: Les contes d'Hoffmann, Act 3: "Vois sous l'archet frémissant" (Nicklausse)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9788f35a625a7239c29277ce57fc32837123db95d6e8f6bd400ea2acd0358a7c. 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/FRZ209616907.
Offenbach: Les contes d'Hoffmann, Act 1: "Glou! Glou!" (Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0d34883256733189530f3ae389c4cfee8d7e16e07f9a4add956cf0208ccd865. 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/FRZ209616802.
Offenbach: Les contes d'Hoffmann, Act 1: "Vrai Dieu ! Mes amis, la belle créature !" (Nathanaël, Hermann, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x902f0c72d79413a4727e478f4ea84f6e00085c1f6a92da258513dd5eb02b24eb. 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/FRZ209616810.
Offenbach: Les contes d'Hoffmann, Act 1: "Eh ! Luther ! Ma grosse tonne !" (Nathanaël, Wilhelm, Hermann, Lindorf, Luther, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x661cbbfbc818b62bd5a5a6b2b549e0e979d5cb8cf156a8a35a8febb65a3234b4. 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/FRZ209616811.
Offenbach: Les contes d'Hoffmann, Act 1: "Va pour Kleinzach ! ... Il était une fois à la cour d'Eisenach" (Hoffmann, Nathanaël, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x002cf64a5bd5b949ba480fae49942ee5df3cd7471311eff6c69396d5d1ca37af. 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/FRZ209616813.
Offenbach: Les contes d'Hoffmann, Act 1: "Peuh ! Cette bière est détestable" (Hoffmann, Nicklausse, Nathanaël, Lindorf, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b927c2f9c14492de72ceaa16c51a24e44b74ef5c1f11bee29a71eb2f025fd2f. 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/FRZ209616814.
Offenbach: Les contes d'Hoffmann, Act 1: "Ma maîtresse ?" (Hoffmann, Nicklausse, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x559ae3cd18fc6bf62998abfaede35276ebecf9cc9c5e7a91c6b0b14e5c6b9166. 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/FRZ209616818.
Offenbach: Les contes d'Hoffmann, Act 2: "Mesdames et messieurs, je vous présente ma fille Olympia" (Spalanzani, Hoffmann, Nicklausse, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe4f3f93e37c29172460683162a44b3819beba626bf92e890c7ea6984d12ad55. 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/FRZ209616833.
Offenbach: Les contes d'Hoffmann, Act 2: "Mesdames et messieurs, fière de vos bravos" (Spalanzani, Nicklausse, Hoffmann, Olympia, Cochenille, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab87f22d87dd22066c60495c73816611931600b889b6d080f7aace2b11e9c690. 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/FRZ209616834.
Offenbach: Les contes d'Hoffmann, Act 2: Chanson d'Olympia. "Les oiseaux dans la charmille" (Olympia, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53774709ed76ae0efa7ebf8945f2e32122542bdfb09a4e2a273277a3cf76de2c. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209616835.
Offenbach: Les contes d'Hoffmann, Act 2: "Ah ! Mon ami ! Quel accent !" (Hoffmann, Nicklausse, Spalanzani, Olympia, Cochenille, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86f16c98ac39b772a3e3565e02aaea627d9c391bf93a83fb53cbc7fa2541a004. 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/FRZ209616836.
Offenbach: Les contes d'Hoffmann, Act 2: "En place, les danseurs !" (Spalanzani, Cochenille, Hoffmann, Olympia, Nicklausse, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a322f67adb9d1c6dfeb27d4bc78b820004a06d2288ab8dc42ba03850769a608. 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/FRZ209616841.
Offenbach: Les contes d'Hoffmann, Act 2: "Voilà ! Assez, assez ma fille !" (Spalanzani, Olympia, Cochenille, Nicklausse, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e38b6967855052df6e441defc9a04c91cf199f76e278ab54ee3cc4676bd097b. 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/FRZ209616842.
Offenbach: Les contes d'Hoffmann, Act 2: "Ah ! Quoi ? L'homme aux lunettes, là !" (Cochenille, Spalanzani, Hoffmann, Coppélius, Nicklausse, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c268dbcdf08ebeb5914caa9858999d41ce774733a9e715e967ea998cd66479. 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/FRZ209616843.
Offenbach: Les contes d'Hoffmann, Act 2: Chanson d'Olympia. "Les oiseaux dans la charmille" (Olympia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eb59e3fa8ff622c21fa1ac00d316b756374e59811a8d23da5c22fce1673b73f. 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/FRZ119601530.
Mozart: Die Zauberflöte, K. 620, Act 2: Arie. "Ach, ich fühl's" (Pamina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3be01a3bf529c023606c9ea6cd470371291ee10873e745826fe1ff6fc424a43b. 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/GBAYC0002646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x877fb28a06a960ebc6b8470fe72afe397e870504eafc45f971465a0e4092a09a. 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/FRZ119501970.
Massenet: Manon, Act 3: Air du cours de la reine. "Suis-je gentille ainsi ?" (Manon, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6af136532e5ffbfbb6b2fafb8e6e900c08543e262f70b6758a755e1aedb8ad97. 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/GBAYC0302298.
Handel: Il delirio amoroso, HWV 99: Aria. "Per te lasciai la luce"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53e11b4d6ad78ccb283557cf5d967cf6a46c4b0090ddbd4bf4cea029903e11a3. 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/GBAYC0501378.
Strauss, R: Ariadne auf Naxos, Op. 60, Opera: "Grossmächtige Prinzessin" - "Noch glaub'ich dem einem ganz mich gehörend" (Zerbinetta)
Orchestra of the Royal Opera House, Covent Garden
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36c149bb0abada0844391c96b1a68e08fcf685109004360d0612519a10ab4a92. 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/GBAYC0401190.
Gounod: Roméo et Juliette, Act 1: Valse. "Je veux vivre dans ce rêve" (Juliette)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x679eb1a383d4e77210dac085e3ff9b4c653d9ab58cbc117a8c677bf34128cf11. 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/GBAYC0302310.
Strauss II, J: Frühlingsstimmen, Op. 410
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e1641b36c4f1025d3fb7b71737ae5be63586aefe7d2c6e8b0f0edde50758b13. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/FRZ119702160.
Rachmaninov: 14 Romances, Op. 34: No. 14, Vocalise
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7714209da7a53a29244c0584875653f21a81caf0c092175fb6c7d3aa4173254. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-21T16:43:30Z), 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/FRZ119702170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82130e2d65ae716e0aa02360669d03b98770577ed6529b0a099ecfd8dd6ad412. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119702180.
Donizetti: Lucie de Lammermoor, Act 3: "Elle s'avance, hélas, pauvre victime" (Raymond, Lucie)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6807817e31d1557d0dd41b8a6e963d62273613b04868a5836fb077df6f4857e6. 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/GBAYC0202682.
Donizetti: Lucie de Lammermoor, Act 3: "Ah ! C'est l'hymne des noces" (Lucie, Raymond, Chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e8dc690c1f5ffe9876e480c285fcc087a8a7978c574771a867a592150920fc4. 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/GBAYC0202683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8856f1fc8a5a3552fb74cbfec924c2aeeaeb57cbe2e85a8700712ea82b01a6e. 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/GBAYC0501205.
Bernstein: Candide, Act 1: "Glitter and Be Gay" (Cunégonde)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb65dc534fe660ff4125bd1297312f82056a6cf4bb0617ea292dc2853d87c168f. 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/GBAYC9704993.
Offenbach: Orphée aux enfers, Act 2: Duo de la mouche. "Il m'a semblé sur mon épaule" (Eurydice, Jupiter)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbb54be358407cd1521b77fc3faa3a88e12532a63b95b9a7501c9bf851addcf0. 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/GBAYC9701810.
Le Nozze di Figaro K.492: Deh, vieni, non tardar
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36392ae4d077475fd557c3abdcb53132e1575450e7b096e556fb289bcd079fce. 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/GBAYC1002810.