Evidence row 297228

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://regionfetch.dev/api/fetch"
    ]
  ],
  "name": "regionfetch.dev",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "regionfetch.dev",
    "endpoints": [
      {
        "description": "Retrieve a public HTTPS URL from the US, Germany, Japan, Brazil, or India. Use HTTP mode for lightweight retrieval, or browser mode to render JavaScript pages. For pages with bot protection, set max_tier to L2 for managed unblocking at $0.05 USDC; L0/L1 costs $0.02 USDC. Returns the fetched body and an Ed25519-signed receipt for provenance.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "US",
            "group": "body",
            "name": "country",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "L1",
            "group": "body",
            "name": "max_tier",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "http",
            "group": "body",
            "name": "mode",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Region Fetch",
        "tags": [
          "web-fetch",
          "geo-targeting",
          "browser",
          "managed-unblocking",
          "research"
        ],
        "url": "https://regionfetch.dev/api/fetch"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "regionfetch-dev",
    "integrationType": "",
    "isNew": false,
    "name": "regionfetch.dev",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.02",
      "currency": "USDC",
      "maxAmount": "0.02",
      "minAmount": "0.02"
    },
    "provider": "regionfetch.dev",
    "providerUrl": "",
    "serviceName": "Region Fetch",
    "tags": [
      "web-fetch",
      "geo-targeting",
      "browser",
      "managed-unblocking",
      "research"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"36a1d4041bf70a8d1f4b74576bbbf92736ab2b89ce73a43ca5643c0bce168583","id":297228,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793052172901416,"prev":283196,"subject":"agentic_market:regionfetch-dev","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. 0x36e2625b2665525080d74db91e682b57b28880e0c5280c98b5e4094f1311e39a
2. 0x03c5cd4233d98a597160e2529f8138e09e1acd4b64f7ab5e4140ea934621f566
3. 0xb402b900de9fd277479401671b9ff888a9a0f23bef478e6e6ce05814328e883c
4. 0x0cee2e61d6b42bdec48af71b7d5635c7925f1d1f38155120e96e3d08487857ad
5. 0x76ef890211466d8216e17b2f2ee3827f2f26bca2ff7cf8aaee1dd3e01887f8bb
6. 0xf086f2e17e56c13a724fb43466bded3c52f62bd123461daf2d62daf60b8d9fbe
7. 0x7346d7a113b06f9ae473467c40273c819f9d2949f4ba06be21a050757572a83f
8. 0x8b43aaf6a6f90455c163e7c772f4a55e917f5f5dfafb02481e027dde607d5815
9. 0x033a42b89f3e3407122c0d602f35a71e0aa466f24cb3329c48bbd21e937c0e2d
10. 0x7f646cc5e17121efe4381acea1d941112b5aa8de81dc471998b936a49db0f9d4
11. 0x6cbefa9ec57ab9d64a7d01c677008d2c83081eace93b8302d64510745c5d3e36
12. 0x992ab7416b80cd368936c788f743fd3ea4576a49e22c75ab0262abf692f8ed6c
13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae