KOUT (98.7 FM, "Kat Country 98.7") is a radio station licensed to serve Rapid City, South Dakota. The station is owned by HomeSlice Media Group, LLC. It airs a country music format. The station was a
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 0x55e930d01fa4d76c592cd79a2b3c1873c004030c10de5b15afd702a7907d5fb2. 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/588b69bd-18d5-4ee4-889b-1af5cb60438a.json and https://artists.proofprofile.net/proofs/artist/588b69bd-18d5-4ee4-889b-1af5cb60438a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).