Mazzariello is an Italian surname from Naples and Salerno. Notable people with the surname include: Antonio Mazzariello (born 2001), Italian singer-songwriter Cheryl Mazzariello Hooker (born 1950),
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 0x8a04d0389913494badd8ffbaadb714a5bb32658c0fbd061e0ef38ed8bd5ad2ef. 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/505131b7-fdc8-4b26-bdff-d135d3026f66.json and https://artists.proofprofile.net/proofs/artist/505131b7-fdc8-4b26-bdff-d135d3026f66.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 → 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 0xc41b2780db1fa6ecc4f9e5d3d6940d8d48031f2290797645ae163abc5301cdb4. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZHNB2019872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x922996185e2483c2a5c521524df98e98a91a98ca8fb0475e68e5ed98b5be21e8. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/ITP4L2000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c97aac3d214d3a9b61e5200dfc4c8b60dbe2456b8ec25e5cdbc37b4843b216. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/ITP4L2000004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb95f2356286208c0053b571c526686f958a097f866e63c8d58911c4c1689b862. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/ITP4L2000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ffe3f5f6eb3e9d9c73104cd2d752e18f7dd9ec109a9979fe8b8df0a02e05601. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/ITP4L2000009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fb33ddef05a1cf7084121f3fe4847be8e0aa96697fa38b78d2b510bfa4cc846. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/ITP4L2000007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcab2a21a9b3a12e63757b70bb9f1917f15ac607ab58f30453301e84bfddaba70. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ITJMO2300082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7085f2811d49464bacafa5bb502a70cb9e3b766618cdf9f346d086a2ec6c078. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/ITJMO2400028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x768d092beae81a2d6b03841558be02e17b8cb093e3286212d2259fe440f98df0. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/ITJMO2400029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd27357acca4dd127f3764b9f95da2319d32d9cb8549613c96922c53b48adb4a3. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/ITJMO2400011.
AMARSI PER LAVORO (Sanremo Giovani 2025)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5908cc18d20ec02b8e4afff3729ea12a50e313d296f5146c6c5f13123ee7335. 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/ITJMO2400026.