TUT can refer to: Tramways & Urban Transit magazine Altaic languages (ISO 639 alpha-3, tut) The Unquestionable Truth, 2005 Limp Bizkit album The Unbelievable Truth, a comedy panel show on BBC radio Ti
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 0x626109ad2dd4cbce1e0f0f10a039594abd29c474e42a099b8dc8d55060ecdd1c. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0f76033c-604e-476f-9aca-18d740b056e5.json and https://artists.proofprofile.net/proofs/artist/0f76033c-604e-476f-9aca-18d740b056e5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).