Evidence row 69067

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.spendpreflight.com/listing-guard"
    ]
  ],
  "name": "api.spendpreflight.com/listing-guard",
  "owner_address": "0xbf4164e07552e4c1b1b1597e72c7acaa3f0a1c58",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xBf4164e07552e4c1b1B1597E72C7acAA3F0a1c58",
        "scheme": "exact"
      }
    ],
    "description": "Bazaar Listing Guard: CDP technical validation plus a bounded heuristic metadata screen for agent-directed instructions, embedded URLs, tool calls, invisible Unicode, long fields and prices above 100x a fresh Scout category median. Returns riskScore, flagged spans and rewrite suggestions. Not Coinbase policy certification or guaranteed detection. Public HTTPS only; no target payment or request bodies stored.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "method": "GET",
              "url": "https://api.spendpreflight.com/v1/check"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "method": {
                      "enum": [
                        "GET",
                        "HEAD",
                        "POST"
                      ],
                      "type": "string"
                    },
                    "url": {
                      "format": "uri",
                      "maxLength": 2048,
                      "type": "string"
                    }
                  },
                  "required": [
                    "url",
                    "method"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-22T22:07:07.748Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-22T22:07:06.821Z"
    },
    "resource": "https://api.spendpreflight.com/listing-guard",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Bazaar Listing Guard: CDP technical validation plus a bounded heuristic metadata screen for agent-directed instructions, embedded URLs, tool calls, invisible Unicode, long fields and prices above 100x a fresh Scout category median. Returns riskScore, flagged spans and rewrite suggestions. Not Coinbase policy certification or guaranteed detection. Public HTTPS only; no target payment or request bodies stored."
}

What the leaf hashes

{"body":"1237c229de1b614b2dbb3287ca7279a29f89e045368d9a817ab29d4c5cf17922","id":69067,"kind":"listing","method":"baseline/1","observed_us":1793025477666706,"prev":null,"subject":"x402_bazaar:https://api.spendpreflight.com/listing-guard","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x38e8e20788c58c947b48839e688cd03234b72c97c5d01f9021f81efb7bec5009
2. 0x8d7c2b61fabfa4c9d67dce60e71e23039e755b9ec7a12d5f838c81f0321327bc
3. 0xaf21fc487e2217e0c74e4f18b20b133355732e69369a3b695105bd9e148c5f9e
4. 0xaaa71d7b41a94c455cf194d9220b65878bb3301827cbf0b165f2809b9e481128
5. 0xaf9e6d362ad4a743f092436692bc0a7b5e398ae69d7c3f224d9a4c568ee51b0e
6. 0xaeb414b053f01b0a0bb86d2c4897b867e8ddaa734190967e7914efbc1a8a532f
7. 0xfb51fcfd093061fa71915ad79c4ddf8b56e57445ab0cd4351e4b9edcb7798539
8. 0x7c323640fc612ea549e65e93eb23c87954b4d31fe70fd0919dd63e0669911499
9. 0x00a148e9e2ad4c6089060a83d132c866dbf880fddd6836d0615294de0a7c2880
10. 0x9f3071ed8f2d0f3fa297d8d2cbe6bc9d92b7f12cd4c3d713d5debd20d9bd5436
11. 0x04a1aa6c1d916326b08791d1568a512f10ac6aaee806ec4073570b0a6b1b64af
12. 0x18cc4431e4bbe45ee72defb9bb3318434364bf71c883055c6197fa7102ec601a
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae