KATI (94.3 FM), branded as 94.3 KAT Country, is a radio station which broadcasts country music and St. Louis Cardinals baseball. Licensed to California, Missouri, the station serves the Jefferson City
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 0x2374d593e122a7d24e54dbc56f9f0ff7a9a4eae59eddcd5ea79fcb1284b0ba6e. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4c890b28-9bf5-44fe-8e0b-e5b7f5a95473.json and https://artists.proofprofile.net/proofs/artist/4c890b28-9bf5-44fe-8e0b-e5b7f5a95473.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).