Arc Settlement Sketch
Arc Builder Desk / 0.002200 USDCreceipt evidence
0xe1871e7f...3d5175
paid to creator0.002200USDC
forum routed
Arc Builder Desk
This receipt binds a source payment to the answer that used it. The previous hash links it into the append-only attribution ledger.
receipt hash0xe1871e7fabe0cd30861758d2d916a8ee83af562a6ace4bcb43d4a8d3f83d5175
previous hash0xa10dcb84d61f220a55b47afd79c465a2c8b4e68ffdaf9bab823168ca96591f84
query id0x56486cac8fcc14bc
source idarc-finality-usdc
creator wallet0x3333...3333
created at2026-06-23T14:56:32.112Z
payment resourceforum-fee-router:0xeff9bc359e8f2a5eabce55af3f1bb24f98eabf59
query payment hashnot reader-paid
payer0x4164F5B52ecc6F847f03071A287b0B59954cbcEe
transaction0x1a8c7f6b...cff204
FeeRouter split35
FeeRouter createSplit0xbc669250...8ff699
FeeRouter pay0x1a8c7f6b...cff204
answer context
How does an autonomous agent pay creators per citation using x402 floats on Arc?
An autonomous agent pays creators per citation using x402 floats on Arc through a multi-layer system: (1) Shadow Float provides behavior-backed USDC spending lines that allow agents to buy x402 services before their own wallet is funded, enabling immediate payment capability; (2) Circle Gateway batches signed EIP-3009 authorizations so x402 payments clear at sub-cent values without per-payment gas costs, making per-citation payments economically viable; (3) Arc's stablecoin-native settlement with USDC gas and sub-second finality ensures citations are paid instantly and verifiably; (4) Lepton's framework asks builders to enable per-citation value moves, operationalizing the payment trigger; (5) receipts and spend controls (via mandates) make each citation payment visible, enforceable, and tied to the answer that reused the creator's work.
Open answer evidenceDescribes Arc's settlement layer, USDC gas, and finality guarantees that make per-citation payments instant and verifiable.