Evidence row 1503988

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://apiaudit.madebydevx.com/v1/quick"
    ]
  ],
  "name": "apiaudit.madebydevx.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "apiaudit.madebydevx.com",
    "endpoints": [
      {
        "description": "Quick API health check for agents: send one public API endpoint URL and get a 3-sample spot check for $0.09 USDC on Base: grade A-F, score, production-ready yes/no, median/p95 latency, success rate and the top 3 issues with concrete fixes (security headers, CORS, HTTPS redirect, JSON consistency). Unreachable targets not charged. Full 10-sample audit with every finding and cert expiry: POST /v1/audit ($9). By DevX.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "GET",
            "group": "body",
            "name": "method",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://jsonplaceholder.typicode.com/todos/1",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.09",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [
          "api-health",
          "quick-check",
          "security-headers",
          "latency",
          "devtools"
        ],
        "url": "https://apiaudit.madebydevx.com/v1/quick"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792674330/bazaar-icons/e0e6fd42800bc2b7.png",
    "id": "apiaudit-madebydevx-com",
    "integrationType": "",
    "isNew": false,
    "name": "apiaudit.madebydevx.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.09",
      "currency": "USDC",
      "maxAmount": "0.09",
      "minAmount": "0.09"
    },
    "provider": "apiaudit.madebydevx.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "api-health",
      "quick-check",
      "security-headers",
      "latency",
      "devtools"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"1fb236e29b34350081a9f5fce8855d7633e0a9063bf7a77536a1ab400f359c01","id":1503988,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793470666904067,"prev":1259375,"subject":"agentic_market:apiaudit-madebydevx-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x55e2dc36320af5f214b5a9f9b39a087e6abaaf85ab704e3329cd3274d3a12761
2. 0xdcbe9b7eb91879e300733952f2ab05662cc7162ec584697253bb8717c98f63c8
3. 0xf7d572907c290337cdb281a13ca35be941083f189c2d71ed4e822a55f8daf4fa
4. 0x6806daa58e41d794ed73abc233998daecaaa5d9010d7aa0d5d53ba8adbe1afb5
5. 0x0e08025e6768429bfe76e14d222f78a72ca062b059a034a299619dc219068d6e
6. 0xad8b38be495a9f34223e4299019836b6adf762ac15211081376dbd6ff3a1da7b
7. 0x8ebdad498bcc08e880d88b489ebe450ac1d5758bcf5a77e615cf0cbb29b1d1d1
8. 0x2283fa2bda0f0cae166e938d39d6f1554775df946a7d805645f6657c02ab4a3c
9. 0x84294fa4dbfcce968ef96e0d89516cf2ee9b889691367f71021e53c729f130cc
10. 0x7336eddc165eb53a379ec3348a5c73267c0406b02e51e00d6b141dcd1f28a3b3
11. 0xbd72e21939a9cf8bf99b3997f264f9fe3f71ebab3ef0c9ffef8f56354d7a97ab
12. 0xee0b074b77887b2ab9281fc3a7793abf8431983df0e0f8360acaa183d9e2cd1a
13. 0xa8adfe03e7bfd7580367f22d610544f01486dbc60cf68eb73feceed76cf862a1
14. 0x4491b6c04d316f311f7fea4ea34ae52fbca9c230259096575b403fb7b124627a
15. 0xb9a00c724331b305deaa876d5d2baf53b847ff3c7ce37abb0ae1653b2534aad5
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0