Valentina Cenni (born 14 March 1982) is an Italian artist and actress. Early life and education Valentina Cenni was born in Riccione, Italy, and graduated at Rome's National Academy of Arts and Lon
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3ddb4613a7b4106306dac18c9f871644260cecbd18e78f0a802ae0aa99fa1b. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/282790aa-246f-4173-812e-09f45b967ffe.json and https://artists.proofprofile.net/proofs/artist/282790aa-246f-4173-812e-09f45b967ffe.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaaefda841d07f4dec2966822dd3ce9fdc50be9406b81ff0ae42436e3ca32c4b. 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/ITB002101250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5102beb544d76523ad4f31f036ca13056b4890969fe4be788d0767cba03f3e2f. 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/ITB002101251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c478b96f30958db60faa78ea00b7c5de8de085e53bcd5cc800d30ed7e08301. 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/ITB002101252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46b3c969ed460061e23eb6021b0a1579d02eb04c0842995e0e0da51fe1f99730. 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/ITB002101253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9424af31139305a4950862f96eb86b2e94f99cf8f1e7aa1337bc7968843586d1. 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/ITB002101254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41219d3f9a0d63d75be5a12e9e5fd70b3d08be99283be89048e9d5460f7c11ed. 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/ITB002101255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x815f8d9eafba9f536aeebcf9a1ab7d557e60552d6ec70b60f0d893567c8d4ce7. 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/ITB002101256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec3ffaefb50975969a18b28f86065f3955e840ec72b3b1f46865206d855c6dab. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/ITB002101258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0acdf853449818f5890b8ade8cd3568a32bc37cd202921374ddb92287a197f29. 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/ITB002101259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01e5ae42109fe39009c9ab0f5f8aba57c4176a91a53ca496fab331323825923a. 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/ITB002101260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39eebc25d609a4fd0fba122890f892d06d19a9456fae2751a0d473b67e1a823b. 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/ITB002101261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2378b105d442667ebbbdec911c286105ace7d6f06ad576351cb2a486ccbd71c0. 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/ITB002101269.