thumb|A musician in Ghana, dressed in a dashiki The dashiki (, ) is a colorful garment that covers the top half of the body, worn mostly in West Africa. It has formal and informal versions and varies
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 0x52bd270e78780ffdd27401980d41d54986a2f3bd6c8fe09b59767124c20b60fb. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/130e783c-9b90-46a5-bcd2-089a76ea582b.json and https://artists.proofprofile.net/proofs/artist/130e783c-9b90-46a5-bcd2-089a76ea582b.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 0x9778860727f44755f67949424ea6d4bbe15d0f623e11eb33836dba74f9d6fd23. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:25:08Z), 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/ITO951700032.
Gianna Oh (Daniele Baldelli & Marco Dionigi Remix)
Gianna Oh (Daniele Baldelli & Marco Dionigi Remix Edit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b23d4ebf2abd512b3255c572b102fc3d1fa066580d4df499de68687834b2452. 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/ITO952100055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946a3ff1a9491a03128460cf8249449f3f7760d667c88fb545fa3583f42d8f97. 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/ITO952100051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eba0c43c91723d2236d7966657e8286468c878cce8cf73e2155e80c4a1ac0f3. 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/ITO952100073.