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 0xc17ffa28cb77d4af800b2f69a8babdd7a39d93786d2512ff840aa3fbf071b64a. Chain 2 (Bitcoin): anchored in block 953630 (2026-06-14T12:06:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/30e47526-6da0-4900-a8b9-0500f8283d11.json and https://artists.proofprofile.net/proofs/artist/30e47526-6da0-4900-a8b9-0500f8283d11.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Le Comte Ory / Act 1: Introduction - "Jouvenelles, venez vite"
Orchestra del Teatro Comunale di Bologna
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 0xedd8cedaf347e46377dc2af6d37b015f6c07f4c0978281c6e20dee29f722bef1. 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/DEN960331302.
Le Comte Ory / Act 1: "Que les destins prospères"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a0d49a810b1902fe9c623c74a81cf1acac7742b26ab9b3f827d04ce030df25d. 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/DEN960331303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67b364da5aff4fcfd0ca7e98f04354116756d413bc6c8ceb98f78f40ac3be66d. 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/DEN960331324.
Le Comte Ory / Act 2: "Eh! mais, quelle triste observance"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94a5a97520b650ba8c5ae3850148dce2d0f416b2c0f22c5c19f6e12b74f13e9e. 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/DEN960331327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc722a90b804eaece48d5b6eaead444730bb9ec68a441dc2cc23a0fddacd42bd4. 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/DEN960331329.
Le Comte Ory / Act 2: "Elle revient...silence!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6576770ed79cb014324cc4aeafcc577d595f1b542e6e5a68832a768a0d33a7ed. 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/DEN960331330.
Le Comte Ory / Act 1: "Isolier dans ces lieux"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef34679678058d2d8b686768d3bf04d5c33223b8339a76a2277025004fb332c. 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/DEN960331312.
Le Comte Ory / Act 1: "En proie à la tristesse"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef743ae92ea8aef46037e8772753768af15079e17828a566e2eb4d11a8cb077. 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/DEN960331313.
Le Comte Ory / Act 1: "Vous avez entendu sa touchante prière"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a4b36088c016308b6bf7ac0da4b8795d125f7779244366a48a60fda19733510. 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/DEN960331314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f45fbad2b2a7103514acdeb9f3762dbaa55192f7b77e63b57fbb256f858fe47. 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/DEN960331315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe64c638ce06910e915717afe7bec346d481fc470711c380a77109f4f485f2388. 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/DEN960331316.
Le Comte Ory / Act 1: "Ciel! - O terreur, ô peine extrê"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1562e439404861fede75189dc1899133dedddf2e4fd9cd177ae7f4d274062480. 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/DEN960331317.
Le Comte Ory / Act 1: "Venez amis, retirons-nous"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x906974f0e4971ac2c77b828374aa958dd82197ed4825189e3648b6b3250949c3. 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/DEN960331319.
Le Comte Ory / Act 2: "Noble chatelaine"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bd7a2c8a5830047b39e4414cd139bcd28070981f7fe841286bc0b89b2b8a4cc. 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/DEN960331321.
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 0xa06db8200bd11c0da4602307b3cc5604194c3d6bc4752c1a3a5f51d702fecafb. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/DEN960331304.
Le Comte Ory / Act 1: "De grâce, encore un mot"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd675290c3aca6d11ad2f2ec4157f7811436a48192ea420f9cb2c30d7ab531a9d. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/DEN960331305.
Le Comte Ory / Act 2: "Dans ce lieu solitaire"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b1117c0df9f7354d702a62500e2727842c06895f7e9e9da19db710b59e761fc. 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/DEN960331328.
Le Comte Ory / Act 1: "Cet écrit, noble châtelaine"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9732ce364d679b79af5a109844f0dc65bb4a42db3dafd363cb0ac972e36b66a7. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/DEN960331318.
Le nozze di Figaro, K. 492, Act I: Overture
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9247635577149f79a7dd193c2fc5cb77b28f2218534d3d076c6ed2b160d167. 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/HKI190348101.
Manon Lescaut, Act I: Donna non vidi mai simile a questa!
Belgian Radio and Television Philharmonic Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ab5213d6a14a180866aee7ad3aeb1fa45b9274c357a2cb301f3fdebbc8a7bcd. 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/HKI199290107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02d563709318ec90680026dd48ec4e3ab816d290066c4d4aff352fba8c1c1f14. 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/HKI190301808.
Le nozze di Figaro, K. 492, Act I: Aria: Non piu andrai, farfallone amoroso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31bd9a92eecd30dc32a0c2a9f4ec88d7fe97feb2f8865ded3b2953c4035d13e3. 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/HKI190348120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc910e47fb31b3fd2fd5f9fcb401bc07461314c13406b10a6fc5d460f81bfc252. 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/HKI190159310.
Carmen: Carmen, Act II: Toreador Song: Votre toast, je peux vous le rendre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8883b1a6d19fb9880e337a5cf3cd641bfb1e3d798039f554e3e0e6905c9b83a. 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/HKI199220606.
Die Zauberflote (The Magic Flute), K. 620, Act II: Der Holle Rache kocht in meinem Herzen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ca1f93242ab74332c23515d22d541842226c49c73cefbb40ab13710d92e888b. 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/HKI199490208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56bf3b30fdfc0431b081fb35d8a0ec17481a24fa729bfc43b3b3f1838d9ae917. 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/HKI190316406.
Madama Butterfly, Act II: Humming Chorus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b71b6ec6e797b1206620e6ac1341eadf329256192619da73e4306d7e53040d0. 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/HKI199287411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4cda9532a65dad285bc7a9fbfc66a7efd51afad7afc59ea1197fda3b5fe2c02. 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/HKI199092209.
La Wally, Act I: Ebben? Ne andro lontana
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769e720285311ad46195857586275f62c60484b3cfc3a30c76166077fc1878d8. 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/HKI199310904.
Martinia Franca Festival - 30th Anniversary
SWR Sinfonieorchester des Südwestrundfunks
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x718b62593b5c265d8b74a936827827859d666e916e457770d71655e5cefdc92d. 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/HKI190533301.
La Cenerentola, Act 1: No no no. Non v'è (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f5a235868fb0ca0999b61c2d468ca06387ebf66c7f5b7f930f2c22f23179285. 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/HKI190533302.
La Cenerentola, Act 1: Scegli la sposa - Come un'ape ne' giorni d'aprile (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aa5fc2d0159991a3672b30d4da4700803368b171e7dfcbcf4a214cda06caa1b. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190533308.
La Cenerentola, Act 1: Signore, una parola (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05569fc4b5e2a787bc422e12124886408ce13a5cb58be0b034910c437dd85ea8. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190533310.
Rossini: Highlights from his early One-Act Operas
Cimarosa: I due baroni di Rocca Azzura (Live)
Italian International Orchestra of Bratislava
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830e719831f3d7099b891c610fceae29a34249b09fd2f64d0f5b0a2ea8c477da. 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/USY9R0912892.
Il viaggio a Reims: Dell'alma diva (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe50df3dad4f0606e6db21c77f348a75291d1fcba1b3b2ade5c24ac4a55cb9f3c. 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/HKI191534004.
Domenico Cimarosa: Le donne rivali (Live)
Rossini: Il Signor Bruschino, Early One-Act Operas, Vol. 1/5
Gioacchino Rossini: La Cambiale Di Matrimonio
"La Cambiale Di Matrimonio": Introduzione e Duettino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c91ecefbc5312b13b241deda2bd114bcb2b74f44d22122e3bc0064b3c1dbd4f. 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/USA560679948.
"La Cambiale Di Matrimonio": Cavatina con Pertichini
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc90a05a1bfa90acf8145659186343bc52508f8cd064793bf23b405ea3095fad. 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/USA560679953.
"La Cambiale Di Matrimonio": Recitativo ed Aria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd719d9b696afa762eb7d673e0d205375bc116e45e58b89ba253cced9f49520dc. 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/USA560679957.
"La Cambiale Di Matrimonio": Cavatina Buffa e Stretta dell'Introduzione
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb13fd41b769ac766b1c8d1fdde78f7cc6e58b5708565a4d898bf96c436a7b9db. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/USA560679949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d1698b50a6abd78acafd63fc6c303583fd18eaa9641691e2845f79ae5f7f73a. 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/USA560679956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f2b12f0e655cec4719b082ee499fb15af6349a7313b48feac9ca71c9ae07a54. 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/USA560679959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc57c0d78d892542ee57aac4e0d3da115d58a704f5f76e6137e20b4402216ec92. 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/USA560679960.
"La Cambiale Di Matrimonio": Sestetto Finale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e6b640e8215e3c3fc261a8a217fa3fe217c1843c1888021de56d8ed84ef9eb2. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/USA560679964.
La Cenerentola (Cinderella): Act I Scene 1: Introduction - No, no, no: non v'e (Clorinda, Tisbe, Cenerentola, Alidoro, Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f5a235868fb0ca0999b61c2d468ca06387ebf66c7f5b7f930f2c22f23179285. 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/HKI190533302.
La Cenerentola (Cinderella): Act I Scene 1: Recitative - Sappiate che fra poco (Clorinda, Tisbe, Magnifico)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbf015c2f812c333e2396bd1e90855369a9f4031c3ef3f235a8951a33a63a097. 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/HKI190533305.
La Cenerentola (Cinderella): Act II Scene 3: Chorus - Della Fortuna instabile (Chorus, Tutti)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf011c55d3ea96348e9a01d6a67ac628ce6b5f95e9bfe64a64503302998f27f6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190533218.
Piccinni: La Cecchina o sia La buona figliola