Evidence row 278948

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://fetchgate.dev/v1/meta"
    ],
    [
      "x402",
      "https://fetchgate.dev/v1/read"
    ],
    [
      "x402",
      "https://fetchgate.dev/v1/scan"
    ],
    [
      "x402",
      "https://fetchgate.dev/v1/token/check"
    ],
    [
      "x402",
      "https://fetchgate.dev/v1/x402/check"
    ],
    [
      "x402",
      "https://fetchgate.dev/v1/x402/search"
    ]
  ],
  "name": "fetchgate.dev",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "fetchgate.dev",
    "endpoints": [
      {
        "description": "Fetch a URL server-side and return structured metadata.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://fetchgate.dev/v1/meta"
      },
      {
        "description": "Fetch a URL server-side and return clean Markdown.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://fetchgate.dev/v1/read"
      },
      {
        "description": "Prompt-injection scan: fetch a URL (or POST text) and check it against 120 detection rules for injection, tool hijacking, data exfiltration and hidden instructions, including text hidden in HTML comments and attributes. Use before letting an agent act on untrusted web content.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://fetchgate.dev/v1/scan"
      },
      {
        "description": "Base token risk check before a swap: send a token contract address, get ok / caution / avoid with reasons. Reads the contract (ERC-20 metadata, owner, upgradeable proxy, mint / pause / blacklist / fee selectors in bytecode) and its DEX liquidity (Uniswap + Aerodrome pools, read on-chain). Deterministic, no LLM.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x532f27101965dd16442E59d40670FaF5eBB142E4",
            "group": "query",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://fetchgate.dev/v1/token/check"
      },
      {
        "description": "Should an agent pay this x402 endpoint? One live probe of its payment challenge plus its settled-call and unique-payer history, price consistency and domain reputation, returned as ok / caution / avoid with reasons. Use before paying an unfamiliar x402 endpoint.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://api.example.com/v1/resource",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://fetchgate.dev/v1/x402/check"
      },
      {
        "description": "Search x402 paid APIs that are live and actually bought: only endpoints that answered a real x402 challenge and had repeat, multi-payer settled demand in the last 30 days. Use to find a working paid API for a task without wading through dead and farmed listings.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "web search",
            "group": "query",
            "name": "q",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://fetchgate.dev/v1/x402/search"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "fetchgate-dev",
    "integrationType": "",
    "isNew": false,
    "name": "fetchgate.dev",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.005167",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.001"
    },
    "provider": "fetchgate.dev",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"b6edae1b44cdb87adb1c46d3c37bc7fb2bf4ce3126d8f5f85dddaae0c452bbfd","id":278948,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793042090290009,"prev":272002,"subject":"agentic_market:fetchgate-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. 0x6718b0bda6d6792837d50bcee6d83e103d887ed957d0220c1918ec78f48eee61
2. 0x3fc14303634718c994a21576ceab412dc304167435aafd9f5f77dcedc2819727
3. 0x839d1caeb8714d0819303d52802fa74f58764518e04994c2f708800c62d674cc
4. 0x0e1fb701444456dc94c9e7bc9f117676abc7c765f3f796e16f0cfafd12f68a38
5. 0x1da9059df740d5aa15fa2f9b09742062aa949535a2b5d1617d9b66e528c63eb5
6. 0x20d2338ad0b8ac33fb31a5279d2f052dbaf30109d26026b84a651626c6fd1fb2
7. 0x393a582f5d6a3482e231c533f00dc955de10382fbaa4f7925e802c53eb7d5afe
8. 0x837cb5912a275185f35389f95caf3c6fd1fbea0b4109e5c9bad77f4a2b528f11
9. 0x39d055f1a5898b25bdcfd8aa904cd619413462803f89fae9558b66148b215879
10. 0x1532666d1a6a9b626e54c3e93335a185ec833ad947243bdea3c723654b68d9f4
11. 0x13951c97c827e2025801573dada28cfb5f8038c9b4de741f9d526cb67b3fe605
12. 0x260682fd6ecd274e73505c5e0bd798abdd0e702afca4f8eebd4331b607a6b175
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae