Hakala is a Finnish surname. Notable people with the surname include: Aki Hakala (born 1979), Finnish drummer Aleksi Hakala (1886–1959), Finnish politician Antti Hakala (born 1978), Finnish musici
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 0xf1add5759c208f9383c39bd0d2254e429880a0f5e980f463e08b5518493d1e23. Chain 2 (Bitcoin): anchored in block 954134 (2026-06-17T19:41:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e162daf-caf1-4554-bc50-12475aa7ac74.json and https://artists.proofprofile.net/proofs/artist/7e162daf-caf1-4554-bc50-12475aa7ac74.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).