KRUE (92.1 FM) is a radio station broadcasting a country music format. Licensed to serve Waseca, Minnesota, the station serves the Owatonna-Waseca area. The station is owned by Linder Radio Group. Ex
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 0x3a0880ca168c8b6928dfee020a7e28715203e656b7ebbf235f00de2829f3a780. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/286b78b4-1b94-401f-83b9-52f352d592b1.json and https://artists.proofprofile.net/proofs/artist/286b78b4-1b94-401f-83b9-52f352d592b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).