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 0xf565ca5321c20a237b02c671044f8b65f88c58cc560d8ff79f5dfe6d03ee12e5. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4b10d800-e32b-46b1-b9f5-383de91d33c5.json and https://artists.proofprofile.net/proofs/artist/4b10d800-e32b-46b1-b9f5-383de91d33c5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Verdi: Un ballo in maschera (Highlights)
Un ballo in maschera: "La rivedrà nell' estasi"
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 0xaae16aad58ea706eac8cb534536d92a453edde54db2f48e511c8680384be8bce. 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/GBF078311190.
Un ballo in maschera / Act 1: "La rivedrà nell'estasi...Il cenno mio"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7598aa4e72d8873034afbfd2d9b181ddd962274422afbb713c49c2d066ebd9a2. 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/GBF078331403.
Un ballo in maschera / Act 3: "A tal colpa"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5727063b66d217a4cd241d4dd9e6a66fbcb2bd44289762f53743e5c0eaaea0a. 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/GBF078331417.
Un ballo in maschera / Act III: "Morrò, ma prima in grazia"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16ed4e102978f0e0d5eeef00ed5ff423a29e3307b1cbb96539d73e8864a1570b. 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/GBF078331418.
Un ballo in maschera / Act 3: "Siam soli. Udite"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0b4f7f32ff1583d832ef7f17ce4fb3f498d8043e45beb0479d0720aa282821f. 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/GBF078331420.
Un ballo in maschera / Act 1: "Che v'agita cosi?"
Royal College Of Music Junior Department Chorus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d197f06f95dc911034bfe38fa15b11cd90f0763b5c11a40672a95e71de5a45c. 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/GBF078331407.
Un ballo in maschera / Act 3: "Forse la soglia attinse" - "Ma se m'è forza perderti"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd2bd79ba0cae38658ba3f8e99ec450a7e29606403fee802b473778433b91ec4. 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/GBF078331423.
Un ballo in maschera / Act 3: "Saper vorreste"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e049d6c53723a83da4af9e0cdd1ab961a3eb008ce2d697fcb899987e635d0e. 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/GBF078331425.
Un ballo in maschera / Act 2: "Ecco l'orrido campo"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7670b0983f805bd8e1e34d3c784b2897dbd60fa4b7ac94c3b38b711579d7c8. 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/GBF078331412.
Un ballo in maschera / Act 3: "Fervono amori e danze...So che tu sai"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec8901d3cd0685a6d50fe546685a89f9bb6fad41268ca86e623a998cb53bfb5c. 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/GBF078331426.
Un ballo in maschera / Act 3: "Ah! perché qui! fuggite"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x279ec01ed9fedee611b98ae557af788bf80d6fbba9b9c9fc5613a43b9c7bbd70. 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/GBF078331427.
Un ballo in maschera / Act 2: "Teco io sto...M'ami, m'ami"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75548207f85d123e2c036ab8b23ab1fa3e6b8c31ad539a4080419ca79c502f0a. 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/GBF078331414.
Un ballo in maschera / Act 3: "Ella è pura"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf666e2fadca57ad5d070eceb8f69d60c3a9a6c3437ad4fa44ebc5f104af10d03. 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/GBF078331428.
Un ballo in maschera / Act 1: "Alla vita che t'arride"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b401d5c6b24715b4d42b277d0bd306b1180607ba154e01ec3b5dda6b373fb43. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078331404.
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
Un ballo in maschera / Act 1: "Volta la terrea...Signori: oggi d'Ulrica"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e38b9f1181ac0161a3bd809b2ce53be99f612d500813a7e5eb68bb2edd07b77. 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/GBF078331405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x563815d0499921b867c96d4e19c847adaa1d0eba7a4533480165a18ec2b62b3b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBF077930101.
La traviata / Act 2: Alfredo! Voi!...Or tutti a me...Ogni suo aver
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e1841a43103cfc7a8843241939b78231d91a67aeacb07d01c63153b34a677ba. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our 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/GBF077930117.
La traviata / Act 1: Dell'invito trascorsa è già l'ora
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8abb48f53250ee3f46599a1903e7afec7d9f635f8e725248913c99a5ae8b995. 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/GBF077930102.
La traviata / Act 1: Libiamo ne'lieti calici
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772b3d633787c096b1a297238657463038dab46aa96e8df0cf6101f7306d7964. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077930103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a5adcb81c23e7cd03085bc9123d01302848cb0c58d6610e530e87fe008af43. 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/GBF077930104.
La traviata / Act 1: Un dì felice, eterea...Si ridesta in ciel l'aurora
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225f7f1148437cd851e00ae3d086e0b7bf673e0514ca3d0f0773fd9d9c9149e4. 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/GBF077930105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddce82b688af8d89e8de170c1a5ed432353ac3e3bb9f5833c0f485887105a0aa. 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/GBF077930121.
La traviata / Act 1: E strano! - Ah, fors'è lui
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d05ddd51f2106ebfb9802db2828a32c92212b51cb6589a4d44f84435e780ac3. 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/GBF077930106.
La traviata / Act 1: Follie! Delirio vano è questo! - Sempre libera
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefee10d8213d091220b72ba42f73061707def261bc6c60adb923ec6ba2aa208f. 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/GBF077930107.
La traviata / Act 3: Parigi, o cara...Ah! Gran Dio!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20c1ffcdc607e259a98bd6918196a408cd8ab26d73a8f64c7eeeffed050b3326. 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/GBF077930123.
La traviata / Act 2: De' miei bollenti spiriti...Annina, donde vieni?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c0b4ca7763d75046332e3e8c1a039f35ea4d49e52b237a8788b3d345efa1be5. 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/GBF077930109.
La traviata / Act 2: O mio rimorso!...Alfredo?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3042d39a2c82aae494d7d5cbbda4ea9cef144f58c70b01ee29ff27abcc5a02d. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), registered by our 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/GBF077930110.
La traviata / Act 2: Di sprezzo degno...Alfredo, Alfredo, di questo core
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf2bd2d05b5b0fda19c5bbf7febdc4a8a772f809a0d58e2b86982aa9276ab52d. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), registered by our 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/GBF077930118.
Vissi d' arte: The Magnificent Voice of Montserrat Caballé
Tosca / Act 2: "Vissi d'arte, vissi d'amore"
Orchestra of the Royal Opera House, Covent Garden
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x698f31cf7fac72c01826dd8291d0ec2241c86c54365477cac31cae7722054ee5. 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/NLA507510625.
From the House of the Dead, JW I/11, Act I: Moderato I - Live at Grosses Festspielhaus, Salzburg , 1992
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb77036c42aa776b6b862a1d5bb815c00668b91bbf41df3dd373a7c87c4db44fb. 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/DEF059232502.
From the House of the Dead, JW I/11, Act I: Přivedou dnes pána! - Live at Grosses Festspielhaus, Salzburg , 1992
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x114b8c45ed4ed85141d40e3ee193ed0f5a1ad741618e029662cdea53d1d78278. 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/DEF059232503.
From the House of the Dead, JW I/11, Act I: Aljejo, podávej nitku! - Live at Grosses Festspielhaus, Salzburg , 1992
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95522ace6a689ff3aa3100d30171e2cc1e6551109aa0320346679b37606f5268. 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/DEF059232505.
From the House of the Dead, JW I/11, Act II: Mil´y, mil´y, Aljejo! - Live at Grosses Festspielhaus, Salzburg , 1992
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b10746c97aac3fac3179b34d4b57e4f10b5bd220a75dc2f1baa11d86c9a9a2e. 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/DEF059232507.
From the House of the Dead, JW I/11, Act II: Skuratov. Poslali mne v Jurjea - Live at Grosses Festspielhaus, Salzburg , 1992
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641e91afab6185de6d3eba8b59e1ad8c5155a04502876472d93784fd4c33dc92. 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/DEF059232508.
Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non più andrai, farfallone amoroso" (Figaro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ea63dc72bfc39d85df698735954fadb2e8df0c0b7f4e6ba16668eb52b5d7db4. 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/GBAYC8704496.
Monteverdi: The Madrigals, Books 3,4,7,8 & 9
Il Corsaro - Act 3: "S'avvicina il tuo momento"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb399b8ce1f9469d00d6656493b058ceba31d94e39c9fb5dd773d154ec3938593. 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/NLA507401002.
Lord Berners: Le carrosse du Saint-Sacrement
Lord Berners: Le carosse du Saint-Sacrement
Les Contes d'Hoffmann, Act II: Les oiseaux dans la charmille (Olympia/Choeurs)
Orchestre Symphonique de l'Opéra National, Bruxelles
Orchestre Symphonique Et Choeurs De L'Opéra National Du Théâtre Royal De La Monnaie (Brüssel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe35a391c18dce893f4f2ef86fb1cbba1cdb79a6c4ad4d834bf557f0571bcd510. 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/GBAYC8600576.
Mozart: Missa brevis - Vesperae solennes de Confessore - Epistle Sonata
Kathleen Battle sings Opera & Concert Arias (Kathleen Battle Edition, Vol. 15)
Il barbiere di Siviglia, Act I: No. 5, Cavatina. Una voce poco fa - Cabaletta. Io sono docile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611b6938deae8b116c84b05dff2881cdc57e8f5295df9e9eafe6ea82cb7be7b9. 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/DEF059230004.
Voices of Spring, Op. 410 - Live at Musikverein, Vienna, 1987
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb44fe052a9afe5eba19907fc241f5e5df30684d82f71ee81d51b73d8d01419. 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/DEF058602780.
I Tesori della Musica - Cori e Ouvertures
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6896e04023437ccde2a07685693fa5736a49c710b37d8e8d32fab2e5169d0963. 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/DEF058902380.
Falla: El Retablo de Maese Pedro; Harpsichord Concerto; Psyche
Ariodante HWV 33 / Act 2: "Scherza infida in grembo al drudo"
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Berners: Carrosse Du Saint-Sacrement (Le)