Evidence row 2201426

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/agent/rpc-preflight"
    ]
  ],
  "name": "NO HANDS AI",
  "owner_address": "0x94f751f04b98507d31b500b7ed50be68a1514873",
  "raw": {
    "accepts": [
      {
        "amount": "5001",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
        "scheme": "exact"
      }
    ],
    "description": "Preflight an agent RPC or x402 chain-data request before payment: endpoint origin, method risk, chain fit, price, and budget checks.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base",
              "endpoint_url": "https://x402.example.com/rpc/base",
              "max_price_usdc": "0.001",
              "method": "eth_blockNumber",
              "session_budget_usdc": "1.00"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "assessment": {
                "decision": "ALLOW",
                "flags": [],
                "next_action": "Allow low-value read-only use with normal budget guardrails.",
                "risk_level": "low",
                "risk_score": 0
              },
              "endpoint": {
                "chain": "base",
                "host": "x402.example.com",
                "method": "eth_blockNumber",
                "origin": "https://x402.example.com",
                "requested_url": "https://x402.example.com/rpc/base"
              },
              "fetched_at": "2026-07-24T00:00:00.000Z",
              "limitations": [
                "This endpoint does not call the upstream data provider.",
                "Capability support must be verified by a live probe before production reliance."
              ],
              "payment_context": {
                "budget_fit": true,
                "max_price_usdc": 0.001,
                "session_budget_usdc": 1
              },
              "product": "agent-rpc-preflight",
              "recommended_next_checks": [
                "Run rpc-capability-probe when the workflow needs historical state, trace, WebSocket, or local-fork compatibility.",
                "Run x402-rpc-payment-guard immediately before wallet signing."
              ],
              "schema_version": "1.0"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/x402/agent/rpc-preflight",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "chain": {
                      "description": "Requested chain or CAIP-2 network label.",
                      "example": "base",
                      "pattern": "^[A-Za-z0-9:_ -]{2,80}$",
                      "type": "string"
                    },
                    "endpoint_url": {
                      "description": "RPC, x402, REST, or indexed chain-data endpoint URL.",
                      "example": "https://x402.example.com/rpc/base",
                      "maxLength": 2048,
                      "pattern": "^https?://",
                      "type": "string"
                    },
                    "max_price_usdc": {
                      "description": "Maximum acceptable price for this request.",
                      "example": "0.001",
                      "pattern": "^[0-9]+(?:\\.[0-9]{1,6})?$",
                      "type": "string"
                    },
                    "method": {
                      "description": "RPC method, REST operation, or query action.",
                      "example": "eth_blockNumber",
                      "pattern": "^[A-Za-z0-9_.:-]{2,80}$",
                      "type": "string"
                    },
                    "session_budget_usdc": {
                      "description": "Remaining session budget available to the agent.",
                      "example": "1.00",
                      "pattern": "^[0-9]+(?:\\.[0-9]{1,6})?$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "endpoint_url",
                    "chain",
                    "method"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": true,
                  "type": "object",
                  "x-schema-authority": "STRUCTURED_PRODUCT_RESULT",
                  "x-schema-family": "STRUCTURED_PRODUCT_RESULT"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T02:44:10.495Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T02:44:09.951Z"
    },
    "resource": "https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/agent/rpc-preflight",
    "serviceName": "NO HANDS AI",
    "tags": [
      "x402",
      "no-hands-ai",
      "agent-tools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Preflight an agent RPC or x402 chain-data request before payment: endpoint origin, method risk, chain fit, price, and budget checks."
}

What the leaf hashes

{"body":"daffb867c30166f8de91551bd2ab8576d7300d03b60ded8b113f27f14910b637","id":2201426,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804909830,"prev":null,"subject":"x402_bazaar:https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/agent/rpc-preflight","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xa41694e959322fc320a4c0b6f4100ed66b109feb0ddce2fc5c6f74dfea75c866
2. 0x71f122ae39e37e4e4d3718f865ce8dab99b68616a8926cee6d506e992127b993
3. 0x791f004fc9621635224cef711534b5bfa72bf1769910e8e76e53775ecdd859db
4. 0x7f400d63be5dec8cb391d45945d142fcb7ab9313eb99b3417abf46da218db226
5. 0xddbdd26ca0a22153c3be8f1495eb7505c5e9a123d6683b89202ca531d8f16406
6. 0x184c09e85772bb1d8a47600d392a2d6935b36eeca6eb56fde42cf21ff78ab47e
7. 0x22a371f7e19d777ed296a8b9cd71d1428a9cfc99e02deb52b766486d1471c8b8
8. 0x835af8dc178377d036f741a065ac196755ce29173d8f04afe5fbe76d1429ac80
9. 0x68d728657d2b26a848a358266a31cfa2006520de31420998f653ac7f0f5becb8
10. 0xc645b9915e41007d829c7a8b2940c49694404e8aaa1333beb77dcfeaed91da36
11. 0x9e39e4a17bbc5a7a24664a766933eefa2b6aa75604754bf31c43b4ddf005e28a
12. 0x3b9fa510ea9315fdb1f69663279e291312bab8c2c0d958c0da2bd30894c945a4
13. 0x6959682af8334329ff865c5705b67dd969fc79c93745d2bb5b28573810cfc1f1
14. 0x44d08992eb52b7db0b3504ba234d634742d61c21889da1eb00242ce07e97334b
15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af