receipt evidence

0x6e77fead...048a77

paid to creator0.002400USDC

local proof

Circle Developer Notes

This receipt binds a source payment to the answer that used it. The previous hash links it into the append-only attribution ledger.

receipt hash0x6e77feadd3d50f63563a8c34506bec7a5464573097bc536fcd96eee277048a77

previous hash0x70dff21149c147c71d9f610055eeacd23713ac91c24d5478fe5b97d8951a948b

query id0x0de551f54c696b47

source idcircle-gateway-nano

creator wallet0x2222...2222

created at2026-06-16T14:33:00.310Z

payment resource/api/sources/circle-gateway-nano

query payment hash0xb64d83a7a199defd1da999f1a553900524e81e6413f7158f0ffa521c019660ed

payerlocal proof

transactionpending settlement

FeeRouter splitnot FeeRouter-routed

FeeRouter createSplitnot FeeRouter-routed

FeeRouter paynot FeeRouter-routed

answer context

How does Tollgate prove paid citations with x402 receipts on Arc?

The paying agent treated "How does Tollgate prove paid citations with x402 receipts on Arc?" as a source-backed answer, not a free scrape. LeptonWeb Lab: A builder log for Tollgate, showing paid citations, receipt hashes, x402 source access, and creator onboarding on Arc. Canteen Research: Lepton asks builders to make sub-cent value move for agents and creators: per article, per call, per second, and per citation. Circle Developer Notes: Circle Gateway batches signed EIP-3009 authorizations so x402 payments can clear at sub-cent values without per-payment gas. It bought the minimum useful bundle of sources, paid each cited creator in USDC atomic units, and wrote a receipt chain that ties the answer to the citations that earned.

Open answer evidence

reader paymentx402 verified

amount0.001000 USDC

payer0x9E21...0A06

payment hash0xb64d83a7...9660ed

Gateway Nanopayments Primer

Circle Developer Notes / 0.002400 USDC

Matched x402 in the source registry.