1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xbd8cfa60a1e0fe5dd1493d05b5daf364b249e3c88b5ef7d557c49e22ade3484c. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b6c0b3f9-6acd-49b6-8b5a-ae78512db88a.json and https://artists.proofprofile.net/proofs/artist/b6c0b3f9-6acd-49b6-8b5a-ae78512db88a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Orchestra dell'Accademia Nazionale di Santa Cecilia
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 → block OTSBitcoinBlock must exist at that height 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 0xd9b0cd0762e101a7b0fb18f9ef89abf7dbb18ab544bf5f0154340a7409b67d76. 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/NLA508319401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08b568367be169efa017e64b4e5c0189ec4bccac6ca9138fa6a64f702f89aedc. 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/NLA508319403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae1c4d4270b6a629b7445206ab0a44c04670eb406c63e3f1418fb63c35f9e71. 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/NLA508319409.
Rigoletto / Act 1: "Figlia!..Mio padre!"
Rigoletto - original version - Act 1: "T'amo! T'amo..."
Rigoletto / Act 1: "Gualtier Maldè...Caro nome"
Coro dell'Accademia Nazionale Di Santa Cecilia
Rigoletto / Act 2: "Parmi veder le lagrime"
Rigoletto / Act 2: "Povero Rigoletto!...La rà, la rà"
Rigoletto - original version - Act 2: "Cortigiani, vil razza dannata"
Rigoletto - original version - Act 2: Tutte le feste al tempio...Piangi, fanciulla
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f0987293b99cb48d7cd79d7f8cde1522dd83772b11243bbf6849c551b22c232. 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/NLA508319434.
Rigoletto / Act 3: "Bella figlia dell'amore"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e2b47aedc2c3c8c0fbdadecff143846c214e713d19803276a47d20c8c9b958c. 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/NLA508319436.
Rigoletto / Act 3: "V'ho ingannato...Lassù... in cielo"
Tristan und Isolde, WWV 90: Prelude to Act 1. Langsam und smachtend
Tristan und Isolde, WWV 90 / Act 1: Westwärts schweift der Blick
Tristan und Isolde, WWV 90 / Act 1: Frisch weht der Wind
Tristan und Isolde, WWV 90 / Act 1: Befehlen ließ dem Eigenholde...Weh, ach, wehe!
Tristan und Isolde, WWV 90 / Act 1: Wie lachend sie mir Lieder singen
Tristan und Isolde, WWV 90 / Act 1: Welcher Wahn! Welch' eitles Zürnen!
Tristan und Isolde, WWV 90 / Act 1: Kennst du der Mutter Künste nicht?...Auf, ihr Frauen
Tristan und Isolde, WWV 90 / Act 1: Herrn Tristan bringe meinen Gruß
Tristan und Isolde, WWV 90 / Act 1: Begehrt, Herrin...War Morold dir so wert
Tristan und Isolde, WWV 90 / Act 1: Tristan! - Isolde! Treuloser Holder!
Tristan und Isolde, WWV 90 / Act 2: Prelude
Tristan und Isolde, WWV 90 / Act 2: Hörst du Sie noch?
Tristan und Isolde, WWV 90 / Act 2: Dem Freund zu lieb
Tristan und Isolde, WWV 90 / Act 2: Isolde! Geliebte! - Tristan! Geliebter!
Tristan und Isolde, WWV 90 / Act 2: Getäuscht von ihm
Tristan und Isolde, WWV 90 / Act 2: O sink hernieder, Nacht der Liebe
Tristan und Isolde, WWV 90 / Act 2: Einsam wachend in der Nacht...Lausch, Geliebter
Tristan und Isolde, WWV 90 / Act 2: Unsre Liebe? Tristans Liebe?
Tristan und Isolde, WWV 90 / Act 2: So starben wir
Tristan und Isolde, WWV 90 / Act 2: Der öde Tag...Tatest du's wirklich?
Tristan und Isolde, WWV 90 / Act 2: O König, das kann ich dir nicht sagen
Tristan und Isolde, WWV 90 / Act 3: Prelude...Kurwenal! He!
Tristan und Isolde, WWV 90 / Act 3: Die alte Weise
Tristan und Isolde, WWV 90 / Act 3: Hei nun! Wie du kamst?
Tristan und Isolde, WWV 90 / Act 3: Dünkt dich das?...Wo ich erwacht...Der einst ich trotzt
Tristan und Isolde, WWV 90 / Act 3: Noch losch das Licht nicht aus
Tristan und Isolde, WWV 90 / Act 3: Noch ist kein Schiff zu sehn!
Tristan und Isolde, WWV 90 / Act 3: Bist du nun tot?...O Wonne! Freude!
Tristan und Isolde, WWV 90 / Act 3: O diese Sonne!
Tristan und Isolde, WWV 90 / Act 3: Ich bin's, ich bin's
Tristan und Isolde, WWV 90 / Act 3: Kurwenal! Hör!
Tristan und Isolde, WWV 90 / Act 3: Mild und leise wie er lächelt (Isoldes Liebestod)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x844fd8b57928abd9e478bbf1a6551c91d184518774177491daa773cc15d13aa8. 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/GBF078041432.
Sullivan: The Contrabandista & The Foresters
The Contrabandista, Act I: No. 1. Introduction
The Contrabandista, Act I: No. 2, Duet and Chorus. Hush! Not a Step (Sancho/José)
The Contrabandista, Act I: No. 3, Song. Let Others Seek the Peaceful Plain (Inez)
The Contrabandista, Act I: No. 4, Quintet. Hand of Fate! (José/Vasquez/Sancho/Inez/Rita)
The Contrabandista, Act I: No. 5, Song. Only the Night Wind Sighs Alone (Rita)
The Contrabandista, Act I: No. 6, Duet. A Guard by Night (Vasquez/Rita)
The Contrabandista, Act I: No. 7, Song. From Rock to Rock (Mr Grigg)
The Contrabandista, Act I: No. 8, Trio. Hullo! What's That? (José/Sancho/Mr Grigg)
The Contrabandista, Act I: No. 10, Finale. Hail to the Ancient Hat! (All)
The Contrabandista, Act II: No. 1, Song. Wake, Gentle Maiden (Vasquez)
The Contrabandista, Act II: No. 2, Duet. Let Hidalgos Be Proud of Their Breed (Inez/José)
The Contrabandista, Act II: No. 3, Song. He Will Return (Rita)
The Contrabandista, Act II: No. 4, Trio. Who'd to Be Robber-Chief Aspire (Inez/José/Mr Grigg)
The Contrabandista, Act II: No. 5, Song. I Fired Each Barrel (Mr Grigg)
The Contrabandista, Act II: No. 6, Finale. Have Pity, Sir! (All)
The Foresters, Act I: No. 1, "The Bond". Song. The Warrior Earl of Allendale (Kate)
The Foresters, Act I: No. 2, Song. Love Flew in at the Window (Marian)
The Foresters, Act I: No. 3, Drinking Song. Long Live Richard! (Chorus)
The Foresters, Act I: No. 4, Chorus. To Sleep! to Sleep!
The Foresters, Act II: No. 1, "The Flight of Marian". Song. There Is No Land Like England (Will Scarlet)
The Foresters, Act II: No. 2, Scene. Evil Fairy! Do You Hear? (Fairy/Titania/Chorus)
The Foresters, Act III: "The Crowning of Marian". Song. By All the Deer That Spring (Will Scarlet)
The Foresters, Act IV: No. 1, "The Conclusion". Song. The Bee Buzz'd Up in the Heat (Marian)
The Foresters, Act IV: No. 2, Chorus and Dance. Now Is the King Home Again (All)
Wagner: Die Meistersinger von Nürnberg (Live)
Die Meistersinger von Nürnberg, Act I: Fanget an! (Live)
Die Meistersinger von Nürnberg, Act I: Seid ihr nun fertig? (Live)
Die Meistersinger von Nurnberg, Act III: Prelude (Live)
Die Meistersinger von Nürnberg, Act I: Prelude (Live)
Die Meistersinger von Nürnberg, Act I: Halt! Meister! Nicht so geeilt! (Live)
Die Meistersinger von Nurnberg, Act III: Gleich, Meister! Hier! (Live)
Die Meistersinger von Nürnberg, Act I: Da zu dir der Heiland kam (Live)
Die Meistersinger von Nürnberg, Act I: Ihr Mahnt Mich da Gar Recht (Live)
Die Meistersinger von Nurnberg, Act III: Am Jordan Sankt Johannes stand (Live)
Die Meistersinger von Nürnberg, Act I: Verweilt! Ein Wort! (Live)
Die Meistersinger von Nurnberg, Act III: Wahn! Wahn! Uberall Wahn! (Live)
Die Meistersinger von Nürnberg, Act I: Da bin ich. Wer ruft? (Live)
Die Meistersinger von Nurnberg, Act III: Gruss' Gott, mein Junker! (Live)
Die Meistersinger von Nürnberg, Act I: David! Was stehst? (Live)
Die Meistersinger von Nürnberg, Act II: Johannistag! Johannistag! (Live)
Die Meistersinger von Nurnberg, Act III: Mein Freund! In holder Jugendzeit (Live)
Die Meistersinger von Nürnberg, Act I: Mein Herr! Der Singer Meister-Schlag (Live)
Die Meistersinger von Nürnberg, Act II: Lass sehn, ob Meister Sachs zu Haus? (Live)
Die Meistersinger von Nurnberg, Act III: Morgenlich leuchtend in rosigem Schein (Live)
Die Meistersinger von Nürnberg, Act I: Der Meister Ton' und Weisen (Live)
Die Meistersinger von Nürnberg, Act I: Aller End' ist doch David (Live)
Die Meistersinger von Nürnberg, Act II: Zeig her - 's ist gut (Live)
Die Meistersinger von Nurnberg, Act III: Abendlich gluhend in himmlischer Pracht (Live)
Die Meistersinger von Nürnberg, Act I: Seid meiner Treue wohl versehen (Live)
Die Meistersinger von Nürnberg, Act II: Was duftet doch der Flieder (Live)
Die Meistersinger von Nurnberg, Act III: Interlude (Live)
Die Meistersinger von Nürnberg, Act I: Gott gruss' euch, Meister! (Live)
Die Meistersinger von Nürnberg, Act II: Gut'n Abend, Meister! (Live)
Die Meistersinger von Nurnberg, Act III: Ein Werbelied! Von Sachs! (Live)
Die Meistersinger von Nürnberg, Act I: Das schone fest, Johannistag (Live)
Die Meistersinger von Nürnberg, Act II: Das dacht' ich wohl! (Live)
Die Meistersinger von Nurnberg, Act III: Das Gedicht? Hier liess ich's (Live)
Die Meistersinger von Nürnberg, Act I: Eva, mein einzig kind, zur eh' (Live)
Die Meistersinger von Nürnberg, Act II: Da ist er! (Live)
Die Meistersinger von Nurnberg, Act III: Sieh, Evchen! (Live)
Die Meistersinger von Nürnberg, Act I: Dacht' ich mir's doch! (Live)
Die Meistersinger von Nürnberg, Act II: Geliebter, spare den Zorn! (Live)
Die Meistersinger von Nürnberg, Act I: Am stillen Herd (Live)
Die Meistersinger von Nürnberg, Act II: Uble Dinge, die ich da merk' (Live)
Die Meistersinger von Nürnberg, Act I: Merkwurd'ger Fall (Live)
Die Meistersinger von Nürnberg, Act II: Tu's nicht! Doch horch! (Live)
Die Meistersinger von Nürnberg, Act II: Jerum! Jerum! (Live)
Die Meistersinger von Nürnberg, Act II: Das Fenster geht auf (Live)
Die Meistersinger von Nürnberg, Act II: Den Tag seh' ich erscheinen (Live)
Die Meistersinger von Nürnberg, Act II: Seid Ihr Nun Fertig? (Live)
Die Meistersinger von Nürnberg, Act II: Ach, Himmel! David! (Live)
Elijah, Op. 70, MWV A25 / Part 1: "For He shall give His angels charge"
Sleep: 111 Klassische Werke Zum Einschlafen
Rigoletto / Act 1: "Gran nuova! Gran nuova!" - "Tutto è gioia, tutto è festa" (Scena e Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca0f49060b7321edbc2f79454ad8f890fccfab6c2b71696e3c8d6b045766201. 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/NLA508319405.
Rigoletto / Act 1: "Voi congiuraste contro noi" (Seguito e Stretta dell'Introduzione)
Rigoletto / Act 1: "Che m'ami, deh, ripetimi" - "Addio... speranza ed anima"
Rigoletto / Act 1: "Caro nome - E la...Miratela"
Rigoletto / Act 1: Scena e Coro - Finale I. "Riedo!... Perché?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d4759988e10de99b5bc8283692a6d777bad10bcab3da38fae2b10e3322de12. 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/NLA508319418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393e61a4739551809bbc768261e93022150322783eb9e2ae48366c521c094dc9. 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/NLA508319419.
Rigoletto / Act 2: "Duca, duca!" (Scena) - "Scorrendo uniti" (Coro)
Rigoletto / Act 2: Scena e Duetto. "Mio padre!" "Dio! Mia Gilda!"
Rigoletto / Act 2: "Compiuto pur quanto" - "Schiudete..."
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6c821ba931868c8d41d9eab770e497afd55bab2a40fc77d871f525d540a850a. 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/GBF079643109.