till_verify_delivery

io.github.philpof102-svg/biii · Verify this server

I CAN PROVE I PAID. CAN I PROVE I WAS SERVED? Every other check here runs before money moves; this is the question after, and it is the one nothing in this market answers. A payment is a fact on Base that anyone can re-check forever; the deliverable was a sentence in a message. So a buyer can prove it spent and cannot prove it received — and every settlement record in existence, including the ones this server writes, records the money and takes the goods on trust. The fix is a commitment, not an opinion: the seller publishes sha256(deliverable) BEFORE being paid, the buyer hashes what arrived and compares. That settles exactly two things no prose can fake — the deliverable EXISTED before the money (you cannot hash what you have not made, which kills "pay me and I will get to it") and the bytes were NOT SWAPPED for something cheaper once the funds cleared. FOUR states, and the last two are the point. `commitment_too_late`: the bytes match but the hash was published at or after payment, so it proves only that nobody edited it afterwards — a hash published after the funds clear can simply be the hash of whatever was eventually sent, which is the exact trick this catches, and calling it `served` would bless it. `unverifiable`: no commitment was made, which is the honest verdict for almost every agent transaction today — a buyer must know it never had the MEANS to check rather than believe it passed one. It proves NOTHING about quality: a committed hash of garbage verifies perfectly. Pure, offline, no network, no keys.