Baq or BAQ may refer to: __NOTOC__ Places Baq, Semnan, northern Iran Baq, South Khorasan, eastern Iran Ernesto Cortissoz International Airport, Colombia (IATA:BAQ) Other uses Body Attitudes Ques
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 0x8372a8406c6703728ad3c8d8327744ad2aba111eaa3fedbbf742689150c169ad. Chain 2 (Bitcoin): anchored in block 953667 (2026-06-14T17:49:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/581fc4b9-0a1a-4722-be08-7468ef19ba04.json and https://artists.proofprofile.net/proofs/artist/581fc4b9-0a1a-4722-be08-7468ef19ba04.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).