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 0x1be87e2106cada391b0f4beda9ddf9a64585bb8e61ba5ee14afd0f771de0a1ba. Chain 2 (Bitcoin): anchored in block 953882 (2026-06-16T03:13:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/09babd46-cd6e-4d6f-841e-c5ee7917e896.json and https://artists.proofprofile.net/proofs/artist/09babd46-cd6e-4d6f-841e-c5ee7917e896.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Turandot: Act I, "Popolo di Pekino! La Legge è Questa"
Turandot: Act I, "Figlio, Che Fai?... Ti Perdi!"
Turandot: Act I, "O figlio!... Signore, Ascolta!"
Turandot: Act II, "Ho una Casa Nell'Honan"
Turandot: Act II, "Un Giuramento Atroce mi Costringe"
Turandot: Act III, "Chi Pose Tanta Forza Nel Tuo Cuore?"
Turandot: Act III, "Tu Che di Gel Sei Cinta"
Turandot: Act III, "Principessa di Morte! Principessa di Gelo!"
Karaoke Opera: Sixteen Favourite Arias and Duets
Carmen: Votre Toast Je Peux Vous Rendre ('Toreador's Song') Pt. 1
Carmen: Votre Toast Je Peux Vous Le Rendre (Toreador's Song) Pt. 2
The Pearlfishers: Au Fond Du Temple Saint Pt. 1
The Pearlfishers: Au Fond Du Temple Saint Pt. 4
The Pearlfishers: Au Fond Du Temple Saint Pt. 2
Samson & Delilah: Mon Coeur S'ouvre A Ta Voix (Softly Awakes My Heart) Pt. 2
The Pearlfishers: Au Fond Du Temple Saint Pt. 3
Tales Of Hofman: Belle Nuit, O Nuit D'amour (Barcarolle) Pt. 4
Samson & Deliah: Mon coeur S'Ouvre a Ta Voix (Soflty Awakes My Heart) Pt. 1
Madame Butterfly: Un Bel Di Vedremo (One Fine Day) Pt. 3
Tales Of Hoffman: Belle Nuit, O Nuit D'amour (Barcarolle) Pt. 1
Il Barbiere di Siviglia: Largo Al Factotum (The Barber Of Saville) Pt. 2
Tales Of Hoffman: Belle Nuit, O Nuit D'amour (Barcarolle) Pt. 2
La Traviata: Brindisi (Drinking Song) Pt. 2
Tales Of Hoffman: Belle Nuit, O Nuit D'amour (Barcarolle) Pt. 3
La Boheme: Che Gelida Manina (Your Tiny Hand Is Frozen) Pt. 2
Madama Butterfly: Un Bel Di Vedremo (One Fine Day) Pt. 1
La Boheme: Quando M'en Vo (Musetta's Waltz Song) Pt. 2
Madama Butterfly: Un Bel Di Vedremo (One Fine Day) Pt. 2
Rigolleto: La Donna E Mobile (Women Are Fickle) Pt. 2
Il Barbiere di siviglia: Largo Al Factotum (The Barber Of Seville) Pt. 1
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 0xb2c459463264a04456d5246cddc669b7f896936bf18119be116eedac576ae283. 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/GBLGL1252289.
Gianni Schicchi: O Mio Babbino Caro (O My Beloved Daddy) Pt. 2
La Traviata: Brindisi (Drinking Song) Pt. 1
Don Giovanni: Madamina (Catalogue Aria) Pt. 2
La Boheme: Che Gelida Manina (Your Tiny Hand Is Frozen) Pt. 1
I Pagliacci: Vesti La Giubba (On With Motley) Pt. 2
La Boheme: Quando M'en Vo (Musetta's Waltz Song) Pt. 1
Turandot: Nessun Dorma (None Shall Sleep) Pt. 2
Rigoletto: La Donna E Mobile (Women Are Fickle) Pt. 1
Gianna Schicchi: O Mio Babbino Caro (O My Beloved Daddy) Pt. 1
Don Giovanni: Madamina (Catalogue Aria) Pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8e980645f0ec35f9a4957add9154302191e2c191d894b4b940b8e828878d466. 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/GBLGL1252295.
I Pagliacci: Vesti La Giubba (On With The Motely) Pt. 1
Turandot: Nessun Dorma (None Shall Sleep) Pt. 1
Turandot, SC 91, Act III: "Nessun Dorma"
In questa reggia : Turandot, Acto II - Buenos Aires 24/09/1967 Restauración 2023
Birgit Nilsson Recital Teatro Colón 1967 (Live)
In questa reggia (Bis): Turandot, Acto II - Buenos Aires 24/09/1967 Restauración 2023