WILZ (104.5 FM, "Wheelz 104.5") is a radio station broadcasting a classic rock format in Saginaw, Michigan, owned by Cumulus Media. The station is the local affiliate of morning comedy program The Bob
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 0xf349997ffbc13d3beea918e91bc6d5906130dd5995d158d6f058681c101be6e6. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d0852816-92fd-4957-88f7-9e1305d1f17d.json and https://artists.proofprofile.net/proofs/artist/d0852816-92fd-4957-88f7-9e1305d1f17d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).