Dario is a masculine given name, etymologically related to Darius. Given name Dario Allevi (born 1965), Italian politician Dario Amodei (born 1983), American entrepreneur Dario Antiseri (1940–2026),
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 0x346f5212436f05921aa9fea0948590b7f630f96656b3300e63a3584357210ca6. Chain 2 (Bitcoin): anchored in block 953750 (2026-06-15T06:12:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7eebaaa-2dc9-48c5-9aee-7d612d74df5a.json and https://artists.proofprofile.net/proofs/artist/a7eebaaa-2dc9-48c5-9aee-7d612d74df5a.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 0x7d0e4cf05af69d2c54932e58e68d7d1d11a40be8e32d028faf1447c20db2480e. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:32:44Z), 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/MKA030797162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0c285d7d397fd899013ec2f23e5762f45f759f1a9951306daab29200acc488f. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/MKA030799072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0625891f0b2d21d94aa6307d3353c0eaaf91316a33914f483f3899d70a6298fb. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-19T23:33:39Z), 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/MKA030797165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a2cfb8e5352abcda5d30102549a3672bb8671babd8b2085e3e0d454933d6ec3. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/MKA030797172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x421dfc8810a3752c06ce951aa395b738c2ea90e8f53de584ca4c49af2a132479. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/MKA030797176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1d3704b2b943a0468c10a2e24c4cc97edd83f4656f00a602c82268f031d5a65. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/MKA030797177.