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 0x1eb36fb34da3609fe963beb4a8a633397944ced3574310136b768de5e462f901. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/87f15c7a-ff42-4686-978a-c6c11eab0f3b.json and https://artists.proofprofile.net/proofs/artist/87f15c7a-ff42-4686-978a-c6c11eab0f3b.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 0xfa9ac881891109bc9e0fee7307426c76a8b29764645204337689845fbda44588. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/DEBL61062621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fbaa04a1ec7a0f1d50feb200043e0325d7e9399466d06bf343e852723840790. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/DEBL61062623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f8c86dde4a2bd0d5f6219892b4a1c3cb39ce7a60e3ce4dc7708914aedc0c10a. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/DEBL61062639.
Il Mattino Di Zucchero - Bonus Track, New Version
This World Is In a Bad Condition - Piano
This World Is In a Bad Condition - Guitar
Amica musica (Le più belle canzoni per bambini)
Note di Natale (14 canzoni per la più bella festa dell'anno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc21776a8f41f316804c29da821c8878ab9e078750a7f481a7b1c882fbdd98255. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/FR6V81508203.
La cucina delle parole (In collaborazione col Gruppo Grammagiò)
Hot Summer (feat. Arianna Carpi, Sheila Capriolo)
Natale canta (14 canzoni per la festa più bella dell'anno)
Un albero è un amico (14 canzoni cresciute sul piccolo schermo)
La canzone di Bobbo (feat. Roberto Piumini)
Musica magica (14 Canzoni di fate, streghe ed incantesimi)
Sulla faccia cosa c'è? (Storie della buonanotte)
Intorno al mondo (Storie della buonanotte)
I masticanti di crema (Storie della buonanotte)
Il mattino di zucchero (Live @ Radio Popolare)
Il canto dell'ovo (Live @ Radio Popolare)
Il canto dell'ovo - Live @ Radio Popolare
La canzone del battello a vapore (feat. Margherita Caviezel)
Pensànno a la tòrfa da lontano - Acoustic Version
Pensànno a la tòrfa da lontano - Extended Version
E il battello va (feat. Roberto Piumini, Valeria Perretti, Margherita Caviezel, Vito Marsico)
I cinque fratellini (Storie della buonanotte)
Quattro pecore sul prato - Extended version
La festa della savana - Extended version
Le canzoni di tata e tutù per la grande macchina del mondo
E yo amo juanita - Sigla casalotto estate 2021
La ballata di Mastro Titta - Alt. Version
Guendalina Wash e l'acqua scomparsa (Le canzoni per La grande macchina del mondo)
L'ALBERO AZZURRO (Colonna sonora originale del Programma Tv "L'Albero Azzurro 1994/98")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79460d7feb68c2a337610a90a3365c7ce77ff82e7e9320826587862abe2d4f14. Chain 2 (Bitcoin): anchored in block 957535 (2026-07-11T07:11:01Z), 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/ITE322229560.
Il pappamondo (10 canzoni da ascoltare e mangiare)
12 canzoni per 1 anno (Parole di Roberto Piumini)
She spends her time (into desolation row)
L'isola del tesoro (Raccontato da Roberto Piumini con le canzoni di Giovanni Caviezel)