KYKY (98.1 FM) is a commercial radio station in St. Louis, Missouri, serving the Greater St. Louis region of Missouri and Illinois. KYKY airs a hot adult contemporary radio format and is owned by Auda
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 0x136ae2fe7c633c57ecfdca3c37ab790428f7b24de3badcef185a2287630e135a. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/50f736d6-2c73-4e39-b53e-1ef8e32accba.json and https://artists.proofprofile.net/proofs/artist/50f736d6-2c73-4e39-b53e-1ef8e32accba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).