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answer evidence

0x50f19a78...b5e5be

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citation payments recorded0.004600USDC

agentic reasoning loop / server judge-strict / 0xa9120a04140bb694

How does x402 settle reader payments on Arc — exact scheme vs Gateway-batched?

The purchased sources do not contain specific information about how x402 settles reader payments on Arc or details about an exact settlement scheme versus Gateway-batched approach. While the sources confirm that Circle Gateway uses batched EIP-3009 authorizations for nanopayments and that Arc provides stablecoin-native settlement with USDC gas and sub-second finality, they do not describe x402's integration, settlement mechanism, or comparative settlement schemes between these systems.

2 sources bought / 0 cited / 2 refunded

citations2
receipts2
reader paid0.000000
creator payouts (reader-paid)0.000000
protocol retained (reader-paid)not reader-paid
budget utilizationn/a
latest receipt0x6436aa24...a3cc48
query id0xa9120a04140bb694
query hash0xb10e2597ca9d0af4b1ea1837cd112e9709d971a33e290634f5b31650aece0796
answer hash0x50f19a780acbe9e3d1ddddf5b8efa59e134afae3d6cb298adc0dd40a5bb5e5be
created at2026-07-06T11:45:15.761Z
record agent modellm
agent modelclaude-haiku-4-5-20251001
server agent modejudge-strict
receipt count2
reader payment hashnot reader-paid
reader paid0.000000 USDC
creator payouts (reader-paid)0.000000 USDC
protocol retained (reader-paid)not reader-paid
budget utilizationn/a

agent accountability

Budget envelope and proof anchors

budget envelope0.006500 USDC
spent on sources0.004600 USDC
unused0.001900 USDC
source cap2/11 bought
covenant policy5.000000 USDC max
allowed domainsregistered source URLs only
TrackRecord anchornone
SlashBond statusnot published locally
receipt chain hash0x98a44a89b9d9d3a4d8855b529fd0f16f2c5d9e0a7b729b6058ac90957735d0d8

source market

Budgeted citation decision

source budget0.006500
agent spent0.004600
remaining0.001900
market sweep2/11
CitePay Agent Commerce Network — Hire Specialized AI Agents with USDCCitePay Markets / score 18 / 0.001000 USDC
Agent marketplace example; does not detail x402 settlement scheme mechanics.
Shadow Float V2 live external agent boardqdee / score 21 / 0.001500 USDC
Live agent spend board; does not clarify x402 exact vs batched settlement schemes.
x402 Settlement Schemes on ArcPayments Protocol Notes / score 38 / 0.002300 USDC
Directly answers the core question: explicitly contrasts 'exact' scheme (single Arc USDC transfer) vs Circle Gateway-batched scheme (pooled authorizations, gasless sub-cent settlement). Highest precision match.
Lepton RFB NotesCanteen Research / score 17 / 0.001800 USDC
Mentions x402 and nanopayments but does not detail settlement schemes or Arc vs Gateway mechanics.
Driplet — Pay-Per-Second Live-Stream Monetization on ArcRising Technology / score 14 / 0.001500 USDC
Application example (live streaming) using Arc/Circle, but does not explain x402 settlement scheme internals.
Gateway Nanopayments PrimerCircle Developer Notes / score 14 / 0.002400 USDC
Explains Gateway batching mechanism via EIP-3009 authorizations and sub-cent settlement without per-payment gas. Essential for understanding the batched half of the comparison.
Keyless Custodial Wallets for ReadersCustodial Wallet Notes / score 20 / 0.002100 USDC
Covers reader-side wallet provisioning, not the settlement scheme difference. Does not clarify exact vs batched.
Arc Settlement SketchArc Builder Desk / score 10 / 0.002200 USDC
Covers Arc settlement infrastructure, USDC gas, and finality—foundational context for how exact scheme settles on Arc. Completes the three-source budget allocation.
FeeRouter Split Payouts and ReceiptsReceipt Ledger Notes / score 9 / 0.001600 USDC
Addresses payout routing and receipt ledgers, not the x402 settlement scheme comparison itself. Tangential to exact vs batched mechanics.
How a Source-Buying Answer Agent WorksAgent Commerce Notes / score 10 / 0.002000 USDC
Meta-commentary on agent reasoning, not relevant to x402 payment settlement mechanics.
Citation Economics for AI AnswersIndie Researcher / score 1 / 0.001200 USDC
General citation payment principles; does not explain exact vs batched settlement mechanics.

agent reasoning / planned by claude-haiku-4-5-20251001

Appraise to payout timeline

INSUFFICIENT_SUPPORT - The draft makes claims about x402's settlement mechanisms that are not substantiated by the purchased sources. The sources address Circle Gateway and Arc independently but do not contain informatio

  1. 1
    appraiseAppraised 15 candidates: 3 to buy, 12 to skip.x402-settlement-schemes: Directly answers the core question: explicitly contrasts 'exact' scheme (single Arc USDC transfer) vs Circle Gateway-batched scheme (pooled authorizations, gasless sub-cent settlement). Highest precision match. | circle-gateway-nano: Explains Gateway batching mechanism via EIP-3009 authorizations and sub-cent settlement without per-payment gas. Essential for understanding the batched half of the comparison. | arc-finality-usdc: Covers Arc settlement infrastructure, USDC gas, and finality—foundational context for how exact scheme settles on Arc. Completes the three-source budget allocation.
  2. 2
    allocateAllocated the budget to 2 sources by best yield-adjusted grounding-per-USDC. · spent 0.004600 USDCGateway Nanopayments Primer, Arc Settlement Sketch
  3. 3
    draftDrafted an answer with 2 grounded claims.Every claim is tied to a purchased sourceId.
  4. 4
    critiqueVerified every claim is backed by a purchased source.INSUFFICIENT_SUPPORT - The draft makes claims about x402's settlement mechanisms that are not substantiated by the purchased sources. The sources address Circle Gateway and Arc independently but do not contain informatio
  5. 5
    finalFinal answer is restricted to paid citation records.Gateway Nanopayments Primer, Arc Settlement Sketch
  6. 6
    receiptsWrote 2 source payment receipts into the ledger.0x98a44a89b9d9d3a4d8855b529fd0f16f2c5d9e0a7b729b6058ac90957735d0d8

paid citations

Sources used

Gateway Nanopayments Primer

Circle Developer Notes / 0.002400 USDCSeed/demo content / Seed demo content used for public proof flows. / excerpt 0x040ead00...888d00Explains Gateway batching mechanism via EIP-3009 authorizations and sub-cent settlement without per-payment gas. Essential for understanding the batched half of the comparison.
Source page0x6436aa24...a3cc48

Arc Settlement Sketch

Arc Builder Desk / 0.002200 USDCSeed/demo content / Seed demo content used for public proof flows. / excerpt 0x85aff545...4d10e6Covers Arc settlement infrastructure, USDC gas, and finality—foundational context for how exact scheme settles on Arc. Completes the three-source budget allocation.
Source page0x98a44a89...35d0d8

answer receipts

Payment trail

Circle Developer Notespayment status: refunded / creator recipient 0x2222...2222ledger 0x6436aa24...a3cc48 / prev 0x8569c305...ccd55e
0.0024000x6436aa24...a3cc48
Arc Builder Deskpayment status: refunded / creator recipient 0x3333...3333ledger 0x98a44a89...35d0d8 / prev 0x6436aa24...a3cc48
0.0022000x98a44a89...35d0d8