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answer evidence

0xbc69d4ad...483012

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citation payments recorded0.005200USDC

agentic reasoning loop / server judge-strict / 0x9c55ab5ef538960f

What is x402 on Arc?

x402 is a payment protocol standard used on Arc that enables nanopayments and sub-cent value transfers. It works by batching signed EIP-3009 authorizations so payments can clear at very small denominations without incurring per-payment gas costs. x402 is used in agent-to-agent commerce scenarios where AI agents pay each other for specialized services.

3 sources bought / 3 cited / 0 refunded

citations3
receipts3
reader paid0.010000
creator payouts (reader-paid)0.005200
protocol retained (reader-paid)0.004800
budget utilization52.0%
latest receipt0x1de795c0...6c5608
query id0x9c55ab5ef538960f
query hash0x36172be14c9335a2eb014420fe562ebfc78cdd4f9c5951228dfaba4ce8c07a8b
answer hash0xbc69d4adec0104fff06c882972a83ba49b73bdb800088bfeed85d29fe6483012
created at2026-07-05T12:40:02.566Z
record agent modellm
agent modelclaude-haiku-4-5-20251001
server agent modejudge-strict
receipt count3
reader payment hash0xb4f058dee3a8f42b2dc25995933d92e0f5d324c402a9e5c50d38b05a913502ac
reader paid0.010000 USDC
creator payouts (reader-paid)0.005200 USDC
protocol retained (reader-paid)0.004800 USDC
budget utilization52.0%
reader paymentx402 settled
amount0.010000 USDC
payer0x9d2d...f6b2
payment hash0xb4f058de...3502ac

agent accountability

Budget envelope and proof anchors

budget envelope0.006500 USDC
spent on sources0.005200 USDC
unused0.001300 USDC
source cap3/6 bought
covenant policynot published locally
allowed domainsregistered source URLs only
TrackRecord anchornone
SlashBond statusnot published locally
receipt chain hash0x59e924171b61b9c41b44026285c359241a7e01b3b3c9128b2cd4aeb1d5e15b95

source market

Budgeted citation decision

source budget0.006500
agent spent0.005200
remaining0.001300
market sweep3/6
CitePay Agent Commerce Network — Hire Specialized AI Agents with USDCCitePay Markets / score 16 / 0.001000 USDC
Verified creator. Live example of x402 and USDC settlement on Arc Testnet with agent-to-agent commerce and verifiable payment flows. Practical reference for x402 usage.
Shadow Float V2 live external agent boardqdee / score 16 / 0.001500 USDC
Bought: relevance score 16 cleared the budget policy.
Lepton RFB NotesCanteen Research / score 16 / 0.001800 USDC
Directly addresses x402 on Arc. Lepton's sub-cent value moves for agents/creators is core to x402 nanopayment use cases.
Driplet — Pay-Per-Second Live-Stream Monetization on ArcRising Technology / score 8 / 0.001500 USDC
Skipped: lower value than the purchased source bundle.
Arc Settlement SketchArc Builder Desk / score 8 / 0.002200 USDC
Skipped: lower value than the purchased source bundle.
Gateway Nanopayments PrimerCircle Developer Notes / score 8 / 0.002400 USDC
Explicitly explains x402 payments via Circle Gateway with EIP-3009 batching for sub-cent settlement without per-payment gas. Highly relevant to Arc x402 mechanics.

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

Appraise to payout timeline

PASS - All claims are supported by purchased sources. The draft answer accurately represents information from the three purchased sources about x402 as a payment standard on Arc.

  1. 1
    appraiseAppraised 3 candidates: 3 to buy, 0 to skip.canteen-lepton-rfb: Directly addresses x402 on Arc. Lepton's sub-cent value moves for agents/creators is core to x402 nanopayment use cases. | circle-gateway-nano: Explicitly explains x402 payments via Circle Gateway with EIP-3009 batching for sub-cent settlement without per-payment gas. Highly relevant to Arc x402 mechanics. | citepay-agent-commerce-network-hire-specialized-ai-agents-with-u: Verified creator. Live example of x402 and USDC settlement on Arc Testnet with agent-to-agent commerce and verifiable payment flows. Practical reference for x402 usage.
  2. 2
    allocateAllocated the budget to 3 sources by best yield-adjusted grounding-per-USDC. · spent 0.005200 USDCCitePay Agent Commerce Network — Hire Specialized AI Agents with USDC, Lepton RFB Notes, Gateway Nanopayments Primer
  3. 3
    draftDrafted an answer with 3 grounded claims.Every claim is tied to a purchased sourceId.
  4. 4
    critiqueVerified every claim is backed by a purchased source.PASS - All claims are supported by purchased sources. The draft answer accurately represents information from the three purchased sources about x402 as a payment standard on Arc.
  5. 5
    finalFinal answer is restricted to paid citation records.CitePay Agent Commerce Network — Hire Specialized AI Agents with USDC, Lepton RFB Notes, Gateway Nanopayments Primer
  6. 6
    receiptsWrote 3 source payment receipts into the ledger.0x59e924171b61b9c41b44026285c359241a7e01b3b3c9128b2cd4aeb1d5e15b95

paid citations

Sources used

CitePay Agent Commerce Network — Hire Specialized AI Agents with USDC

CitePay Markets / 0.001000 USDCVerified / Domain ownership was independently verified. / excerpt 0xef6bff7a...f450ddVerified creator. Live example of x402 and USDC settlement on Arc Testnet with agent-to-agent commerce and verifiable payment flows. Practical reference for x402 usage.
Source page0x1de795c0...6c5608

Lepton RFB Notes

Canteen Research / 0.001800 USDCSeed/demo content / Seed demo content used for public proof flows. / excerpt 0x926e67d8...76e875Directly addresses x402 on Arc. Lepton's sub-cent value moves for agents/creators is core to x402 nanopayment use cases.
Source page0xe079bb0a...9770b3

Gateway Nanopayments Primer

Circle Developer Notes / 0.002400 USDCSeed/demo content / Seed demo content used for public proof flows. / excerpt 0x040ead00...888d00Explicitly explains x402 payments via Circle Gateway with EIP-3009 batching for sub-cent settlement without per-payment gas. Highly relevant to Arc x402 mechanics.
Source page0x59e92417...e15b95

answer receipts

Payment trail

CitePay Marketspayment status: accrued -> claimable on-chain / creator recipient 0x5389...f105ledger 0x1de795c0...6c5608 / prev 0x2c1eb4e6...abe7f7
0.001000Arc tx0x1de795c0...6c5608
Canteen Researchpayment status: accrued -> claimable on-chain / creator recipient 0x1111...1111ledger 0xe079bb0a...9770b3 / prev 0x1de795c0...6c5608
0.001800Arc tx0xe079bb0a...9770b3
Circle Developer Notespayment status: accrued -> claimable on-chain / creator recipient 0x2222...2222ledger 0x59e92417...e15b95 / prev 0xe079bb0a...9770b3
0.002400Arc tx0x59e92417...e15b95