Evidence row 418253

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": "2",
          "l30DaysUniquePayers": "2"
        },
        "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":"14240152f676baaf867422fae472620039de898118c54abe05b659f9f6000bf7","id":418253,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793081065218616,"prev":297228,"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 2026-10-27 (273461 rows).

1. 0x1ac5d7aae6e2369dc24e211c78f23a063e32b28fbf599a8e9f253ef3b06d886b
2. 0xd5fb90f95231a1748eb2766c6d1cab3c20c23f71b54f1f0db8c7b10219f35bd9
3. 0x230931329ca39f64a63f0cbbe238c456ba8598769956509c582c7b7c63c9c2db
4. 0xddeb0284fec4aff45ab6902d0cb3a3a47569ca7324e5e9e85148fdb37a1ee205
5. 0x034fa42902b648deadb923f24b3e5eaf9ff491df6fcc7fe71b0c4ab709f8090a
6. 0xd8973d23b855719dd827130945b36fd66ccf7c8d33d90def20d757366e09d9b9
7. 0xd112a12e3f110956dc4b1cdadb8a4c83f9aa5c164eac12207f8cf041214641d7
8. 0x7b24a97801a9b927eb6fe72bdb01d26ddad364abc9403b842dc0545604fab559
9. 0xc7433ed2361f8babd33557ac2cf566922dbe97249b98e702e273bf1297fbabab
10. 0x48333ade66cdd062cb79513c538a82ed4321b36333e1439d15dd14096dcdfc99
11. 0x939c306fccf6f9ecd4e13859e2994a9f95dde80f56072b4b7be22ed4cc49b483
12. 0x864874d7fe156494acebcd974fb0ea64b6d7d6ef442b90a07ce8adbc57f7d75b
13. 0xca0b37bb3b043ccf0f24c50fccd9c2f22b7e5290df49886008fc2ff55380fdd1
14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4