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 0xda78a4060840a4c614e26439c83b080f4f6e51efb7c0cc0f067021fafcc2ee99. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3154c441-b632-43f5-ae86-2f2fe9ea342a.json and https://artists.proofprofile.net/proofs/artist/3154c441-b632-43f5-ae86-2f2fe9ea342a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x4c9d446963bb1cc5150fc4e7fff4775051c9dafd04db47df9720a09303ef444b. 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/ITZ041200005.
Roméo et Juliette / Ouverture-Prologue: "Vérone vit jadis deux familles rivales"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb441f9d2042453d039f5452acfc0bd1ca18b8b42a85fdbe08a9ec8cce301878a. 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/ITZ041200006.
Roméo et Juliette / Act 3: "Mon père! Dieu vous garde!"
Roméo et Juliette / Act 1: "L'heure s'envole"
Roméo et Juliette / Act 3: "Dieu qui fit l'homme à ton image"
Roméo et Juliette / Act 1: "Eh bien! Cher Paris"
Roméo et Juliette / Act 3: "Roméo! Tu choisis Juliette pour femme?...O pur bonheur!"
Roméo et Juliette / Act 1: "Ah! Qu'elle est belle!...Ecoutez! écouter!"
Roméo et Juliette / Act 3: "Depuis hier je cherche en vain mon maître"
Roméo et Juliette / Act 1: "Allons! jeunes gens! Allons! belles dames!"
Roméo et Juliette / Act 3: "Que fais-tu, blanche tourterelle?"
Roméo et Juliette / Act 1: "Enfin la place est libre, amis!"
Roméo et Juliette / Act 3: "Ah! ah! voici nos gens"
Roméo et Juliette / Act 1: "Mab, la reine des mensonges"
Roméo et Juliette / Act 3: "Quelle rage! Vertudieu!"
Roméo et Juliette / Act 1: "Eh! bien! que l'avertissement"
Roméo et Juliette / Act 3: "Allons! tu ne me connais pas, Tybalt"
Roméo et Juliette / Act 1: "Voyons nourrice, on m'attend, parle vite!"
Roméo et Juliette / Act 3: "Que le diable soit de vos deux maisons!"
Roméo et Juliette / Act 1: "Non! Non! Je ne veux pas t'ecouter plus longtemps...Ah, je veux vivre dans ce reve"
Roméo et Juliette / Act 3: "O" jour de deuil! ô jour de larmes!
Roméo et Juliette / Act 1: "Le nom de cette belle enfant?"
Roméo et Juliette / Act 3: "Le Duc! Le Duc!"
Roméo et Juliette / Act 1: "De grâce, demeurez!...Ange adorable"
Roméo et Juliette / Act 3: "Ah! Jour de deuil et d'horreur et d'alarmes"
Roméo et Juliette / Act 1: "Quelqu'un!...C'est mon cousin Tybalt!"
Roméo et Juliette / Act 4: Orchestral introduction
Roméo et Juliette / Act 1: "C'était Roméo!"
Roméo et Juliette / Act 4: "Va! je t'ai pardonné"
Roméo et Juliette / Act 4: "Roméo! Qu'as tu donc?"
Roméo et Juliette / Act 2: "O nuit! Sous tes ailes obscures abrite-moi!"
Roméo et Juliette / Act 4: "Juliette! Ah! le ciel soit loué"
Roméo et Juliette, Act II: L'amour! L'amour! – Ah! lève-toi, soleil!
Roméo et Juliette / Act 4: "Quoi! Ma fille, la nuit à peine est achevée"
Roméo et Juliette / Act 2: "Hélas! moi, le haïr!"
Roméo et Juliette / Act 4: "Que l'hymne nuptial succède aux cris d'alarmes"
Roméo et Juliette / Act 2: "Ecoute! on vient"
Roméo et Juliette / Act 4: "Mon père! tout m'accable!"
Roméo et Juliette / Act 2: "De qui parlez-vous donc?"
Roméo et Juliette / Act 4: "Buvez donc ce breuvage"
Roméo et Juliette / Act 2: "O nuit divine! je t'implore"
Roméo et Juliette / Act 4: "Hésitez-vous?"
Roméo et Juliette / Act 2: "Ah! ne fuis pas encore!"
Roméo et Juliette / Act 4: "Dieu! Quel frisson court dans mes veines"
Roméo et Juliette / Act 2: "Adieu mille fois!...Va! repose en paix!"
Roméo et Juliette / Act 4: "Amour ranime mon courage"
Roméo et Juliette / Act 5: Le sommeil de Juliette
Roméo et Juliette / Act 5: "C'est la!...Salut! Tombeau!"
Archivi del Teatro Carlo Felice, vol. 10; Massimo Coco: Beati Qui, libera interpretazione di un Requiem in memoria di tutte le vittime del terrorismo
Beati qui (Requiem Mass): Introitus & Kyrie
Orchestra del Teatro Carlo Felice di Genova
Beati qui (Requiem Mass): Sanctus & Agnus Deì
Archivi del Teatro Carlo Felice, vol. 2; Concerto per il XXVI Congresso Eucaristico Nazionale
Gloria in D Major, RV 589: Gloria in excelsis Deo
Gloria in D Major, RV 589: Et in terra pax hominibus
Gloria in D Major, RV 589: Gratias agimus tibi
Gloria in D Major, RV 589: Propter Magnam Gloriam
Gloria in D Major, RV 589: Domine Fili Unigenite
Gloria in D Major, RV 589: Domine Deus, Agnus Dei
Gloria in D Major, RV 589: Qui tollis peccata mundi
Gloria in D Major, RV 589: Qui sedes ad dexteram
Gloria in D Major, RV 589: Quoniam tu solus Sanctus
Gloria in D Major, RV 589: Cum Sancto Spiritu
Symphony No. 3 in A minor, op. 56: Introduction; Andante con moto Allegro un poco agitato Assai Animato Andante come I
Symphony No. 3 in A minor, op. 56: Scherzo; Vivace non troppo
Symphony No. 3 in A minor, op. 56: Adagio cantabile
Symphony No. 3 in A minor, op. 56: Finale guerriero; Allegro vivacissimo Allegro maestioso assai
Enigma Variations, op. 36: Var. 9 Nimrod Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19845617ed0edc0c0de6706a76dfe4e380336356aaeccba0f3d7a0d4bfcc7253. 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/DEN962336301.
Symphony No. 3 "Symphony of Sorrowful Songs": IIa. Lento e Largo – Tranquillissimo "Mamo, nie płacz, nie"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x478438b8a1aefb4ed86fa69973a9e1bd3426860f038a15ff38a6334d1df3fa00. Chain 2 (Bitcoin): anchored in block 958042 (2026-07-14T18:24:07Z), 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/DEN962336302.
Symphony No. 3 "Symphony of Sorrowful Songs": IIb. Lento e Largo – Tranquillissimo "Mamo, Mamo, Mamo, Niebios Przeczysta Królowo"
Hänsel und Gretel: Abends will ich schlafen gehn
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8345c54835f3376d8a19c9f5abe5395d513223db98c7aae50dada1c9cae5bdb9. 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/DEN962336305.
Breath Alone: Paula Modersohn-Becker (Version for 2 Sopranos and Chamber Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ef155c827f57220911dae79af723b22e230cb7f2da1df5ad97bf8bce425937. 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/DEN962336308.
Otello: Oh Dio! Qual mal strepito è questo!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbce33b17bdcb7fc4ea0f1bb47f7dbe4a108b2fce37d95b82933e18cdd48d537e. 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/DEN962336309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd83baf7b51a7e91ca6670ebdb442b371795448e35f501693a084583b09abbb4c. 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/DEN962336311.
Le Cid: Plus de tourments et plus de peine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4a434be68abc2728dfd9b4728bccf15845fe4fab8901892f2ec0d4ac6399d78. 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/DEN962336315.
Le Cid: Allez en paix, vous que l’on aime
Ave Maria sur la Méditation de Thaïs: Andante religioso "Ave Maria, gratia plena" (Arr. Spindler for Soprano, Choir and Orchestra)
Ave Maria sur la Méditation de Thaïs: A tempo "Ave Maria, gratia plena" (Arr. Spindler for Soprano, Choir, Violin Solo and Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee2e1cb76bb78f293e3b56a846bd2b96cc4d097ba203829df36313f9aa937228. 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/DEN962336318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b91370526bb7ddb0b89c7167f14561937ec23143f834c066766026ccdaec85f. 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/DEN962336319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d8b6e1e87e15edc1924b31c51536e5a0dad520c6ac003f2bea22f7bacaa0a2. 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/DEN962336321.
Lakmé / Flower Duet: Viens, Mallika, les lianes en fleurs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa87659e81a609f99429757c63064d04feb85a5a9a903c3a3322b9de1bedcb651. 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/DEN962336322.
Lakmé / Flower Duet: Dôme épais le jasmin ... Sous le dôme épais
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f19040f378190e5354ab8aa653d1558bbcf0dcc9df5b83bc0562e53d76a01f9. 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/DEN962336323.
L'assedio di Corinto / Giusto ciel: L'ora fatal s’apressa
L'assedio di Corinto / Giusto ciel: Giusto ciel, in tal periglio
Massenet: Ave Maria sur la Méditation de Thaïs: Andante religioso "Ave Maria, gratia plena" (Arr. Spindler for Soprano, Choir and Orchestra)
Archivi del Teatro Carlo Felice, volume 21; Marco Guidarini dirige Brahms e Schumann
Symphony No. 3 in F Major, op. 90: Allegro con brio
Symphony No. 3 in F Major, op. 90: Andante
Symphony No. 3 in F Major, op. 90: Poco allegretto
Symphony No. 3 in F Major, op. 90: Allegro
Le siège de Corinthe, IGR 62, Atto II: Triomphe, Pamyra, de l’effroi qui t’arrête
Le siège de Corinthe, IGR 62, Atto I: Ta noble voix
Le siège de Corinthe, IGR 62, Atto II: Ballet
Le siège de Corinthe, IGR 62, Atto I: Depuis long-temps du vainqueur de Bysance
Le siège de Corinthe, IGR 62, Atto II: Divin prophète entends nos voeux
Le siège de Corinthe, IGR 62. Atto I: Ta fille m’est promise
Le siège de Corinthe, IGR 62, Atto II: Pamyra!... Cet autel
Le siège de Corinthe, IGR 62, Atto I: La flamme rapide
Le siège de Corinthe, IGR 62, Atto III: Avançons… oui, ces murs
Le siège de Corinthe, IGR 62, Atto I: Qu’à ma voix la victoire s’arrête!
Le siège de Corinthe, IGR 62, Atto III: Cher Cléomène… Ô toi, que je croyais perdu
Le siège de Corinthe, IGR 62, Atto I: Nous avons triomphé
Le siège de Corinthe, IGR 62, Atto III: Je viens de parcourir la belliqueuse enceinte
Le siège de Corinthe, IGR 62, Atto II: L’hymen lui donne une couronne
Le siège de Corinthe, IGR 62, Atto III: L’heure fatale approche
Le siège de Corinthe, IGR 62, Atto II: Que vais-je devenir?
Le siège de Corinthe, IGR 62, Atto III: Victime volontaire
Le siège de Corinthe, IGR 62, Atto II: Rassure-toi… mon pouvoir t’environne
Archivi del Teatro Carlo Felice, Volume 19; Mozart: Requiem KV 626, Live 26 March 2013
Requiem in D minor, KV 626: Introitus; Requiem
Requiem in D minor, KV 626: Rex Tremendae
Requiem in D minor, KV 626: Communio; Lux aeterna