Evidence row 213

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://action402.vercel.app/api/execute/webhook"
    ]
  ],
  "name": "action402.vercel.app",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "action402.vercel.app",
    "endpoints": [
      {
        "description": "Paid webhook/API execution for autonomous agents. Executes one public HTTPS action after x402 payment, applies retries and idempotency, then returns a signed receipt with request hash, response hash, target, status, and attempt count.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "body",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "headers",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "agent-test-001",
            "group": "body",
            "name": "idempotencyKey",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "POST",
            "group": "body",
            "name": "method",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "retry",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 10000,
            "group": "body",
            "name": "timeoutMs",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://httpbin.org/anything",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "11",
          "l30DaysUniquePayers": "8"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://action402.vercel.app/api/execute/webhook"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "action402-vercel-app",
    "integrationType": "",
    "isNew": false,
    "name": "action402.vercel.app",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.003",
      "currency": "USDC",
      "maxAmount": "0.003",
      "minAmount": "0.003"
    },
    "provider": "action402.vercel.app",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"eb96b9db4e1d03e1fc533154dafcc4d0612bbaa01d4160571cdae3f16bdef2c6","id":213,"kind":"listing","method":"baseline/1","observed_us":1793025220296244,"prev":null,"subject":"agentic_market:action402-vercel-app","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. 0x97ab989be2c375df01d3209537863bccefb4a33b0791ad9cdbc77ea9adf98bf3
2. 0x1a3bb7a4955df137bc114fd51f25b41f82649b6b47f975cd2b0916d69839f9bc
3. 0x4bae45645217f331478038a075b4ddf851d401596b2e6f3ff7bc1104a0e05b76
4. 0x7630714f6e0ea7927180d9c5778b380deac05a72082be7d8d2181af37c3505b6
5. 0x91ca8cf2957a2aa3c2e35793a06a002cb63cab269db0b84cdd41940c11fc68de
6. 0x1b2d1deef4db5d3dcfd7d7564fd3c16228ae1f80e541f5ba7a97ad358243473b
7. 0x322473dbe2b011e5d18c6ce2aa91ce4dee8e9f5e002048cf0afeee32d6dc3641
8. 0xda74898d5076c96fbfe2c04a9db8f5b1a72fc21e8edd33332fbe52e1bfc7b7e7
9. 0x5dface5ed4838bbe8c4aa2e14c551eb4a6a49a2c39ad138ddd25810394a02f8a
10. 0xdc53c89cce7091adf601946635a4d64062fe6855a2f46a4967374baab5240ceb
11. 0x33109041c3d120f5b9ce2c3270a8fc409acfab4e749a0ff42fa0744354f87c17
12. 0xd43b73151a0c2d9a61f2ae73ed148938b0e6b05c81197f7eebbf95dba38a7004
13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae