Redfall is a first-person shooter video game developed by Arkane Austin and published by Bethesda Softworks. It was released for Windows and Xbox Series X/S on May 2, 2023. The game received mixed r
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 0xccfdc90cd1076b77e6bf3faa760d2853fa867a4657442dc6e08a731e009ce31e. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7f3ce77c-4dce-4827-a519-c01ba4f59593.json and https://artists.proofprofile.net/proofs/artist/7f3ce77c-4dce-4827-a519-c01ba4f59593.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).