1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xc0511ac4efb8b60365f324d80e83bff2b77cb003e3b8a395fb63284ee4eebfdc. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/985f2d41-b4a0-424b-9235-54f77dfd0c9c.json and https://artists.proofprofile.net/proofs/artist/985f2d41-b4a0-424b-9235-54f77dfd0c9c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Il caffè italiano: Roma (Italian Lounge Espresso Music)
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xcd2763562f6daeaaebb3deed0ed3230561130cbdfa65aa93c7c32a5d2e115d43. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/ITI021200457.
Italian Lounge, Vol. 2 (The Most Popular Italian Songs in a Chilly Sauce)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb0c19d2690ac4d4002739a74b6c04fe2d7696b5d5e8509f0c15450926e5735d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ITI021200460.
Italian Restaurant Lounge Music (The best Italian Songs to relax for your lunch or dinner)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98ca958b8d7dd3a7d05dbaced9ac08dd2a14aee1dd505cf633cacf7772cbd210. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ITI021800728.
Italian Lounge, Vol. 3 (The Most Popular Italian Songs in a Chilly Sauce)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x595f10f05a7cbb3ae2186f286a073cd04e41c82de33dae32be12e539907a0ea9. 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/ITI021200454.
Raccontami di Te (featuring Paco Di Maso)
Smooth Jazz Italian Songs (Popolari Canzoni Italiane In Versione Smooth Jazz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef0d415e5a8f95ee8685515aaf0a98152a7b618f056067dee718cbaf2143813c. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/ITI021200009.
Italian Lounge, Vol. 4 (Beautiful Italian Songs in a Chilly Sauce)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9012e7c687e7aabec17cbd9d4f02fca97b29dad3587a807c28073c308c579f4c. 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/ITI021700167.
50 Italian Standards Volume Cinque (Le più belle canzoni italiane in versione lounge chillout)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98ca958b8d7dd3a7d05dbaced9ac08dd2a14aee1dd505cf633cacf7772cbd210. 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/ITI021800728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd2763562f6daeaaebb3deed0ed3230561130cbdfa65aa93c7c32a5d2e115d43. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/ITI021200457.
Il caffè italiano: Firenze (Italian Lounge Espresso Music)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x595f10f05a7cbb3ae2186f286a073cd04e41c82de33dae32be12e539907a0ea9. 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/ITI021200454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf1acf9d3c83fd94ca2d86ff86b53293a096f48eec426263bab08faa631b1df. 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/ITI022300658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a1f1833717aff882fbcae16e852cb5b0b846c395f7ebf9901a93ae39ff26da. 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/ITI022300569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef8e996d7035db56030fedf8a68d2759a8385fb7390130a8a0fc597051e60de5. 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/ITI022100173.
50 Italian Standards Volume Quattro (Le più belle canzoni italiane in versione chillout)
Grazie amore! (20 canzoni romantiche per San Valentino)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb0c19d2690ac4d4002739a74b6c04fe2d7696b5d5e8509f0c15450926e5735d. 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/ITI021200460.
Le canzoni italiane più belle per le feste, Vol. 2