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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aff5586608afb5b7a8d91e17790e0ab53665abe5a46aa5856eeb5a342b98bbd. Chain 2 (Bitcoin): anchored in block 953598 (2026-06-14T06:40:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0c6ff2eb-51dc-4217-8285-0f8d5595bc0d.json and https://artists.proofprofile.net/proofs/artist/0c6ff2eb-51dc-4217-8285-0f8d5595bc0d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gambardella: Furturella (Arr. for Baritone and Guitar by Antonio Grande & Ihor Kordiuk)
Furturella (Arr. for Baritone and Guitar by Antonio Grande & Ihor Kordiuk)
Orchestra del Teatro Comunale di Bologna
L'amico Fritz: Act III - E anche Beppe...O amore
L'elisir d'amore: Act II - Una furtiva lagrima
Manon: Act II - Oh, dolce incanto...Chiudo gli occhi
La Traviata: Act II - Lunge da lei...De' miei bollenti spiriti
Manon: Act III - Io son sol...Ah! dispar, vision
L'Arlesiana: Act II - E la solita storia
La forza del destino: Act III - La vita e inferno...O tu che in seno agli angeli
Lucia di Lammermoor: Act I - Io di te memoria viva...Verranno a te
La fanciulla del West: Act II - Una parola sola...Or son sei mesi
La fanciulla del West: Act III - Ch'ella mi creda libero
Gianni Schicchi: Avete torto...Firenze e come un albero
Iris: Act II - Oh, come al tuo sottile corpo