TFOX (born Travis Ian Fox) is an American singer-songwriter, multi-instrumentalist, and record producer whose sound can be described as a jazz, soul, hip-hop, rock fusion. Early life Travis Ian Fox w
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124ce48debf8ed137ea55cf71a3ed9ef24acc6e3711156da77fd5b95d05a107f. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5ed8790-17be-46c2-aafc-07f1e1d71a45.json and https://artists.proofprofile.net/proofs/artist/c5ed8790-17be-46c2-aafc-07f1e1d71a45.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).