Evidence row 1479867

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Fetch a public web page and return its readable content as JSON: plain text or Markdown (headings, lists, links kept), plus title, description, author, publish date, site name, language and preview image. Ads, menus and scripts are stripped. Also reads PDF, Word, Excel and CSV links. Failed fetches are not charged. Price: $0.002 USDC (x402).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "format": {
            "default": "markdown",
            "description": "markdown (default here: keeps headings, lists and links) or text",
            "enum": [
              "text",
              "markdown"
            ],
            "type": "string"
          },
          "url": {
            "description": "Public http(s) page or document to read",
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "read_page"
    },
    {
      "description": "Read up to 5 public web pages or documents (PDF, Word, Excel, CSV) in one call, in parallel. Returns each one's readable text or Markdown plus metadata, and lists any that failed. Charged only if at least one URL was read. Price: $0.006 USDC (x402).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "format": {
            "default": "markdown",
            "description": "markdown (default here: keeps headings, lists and links) or text",
            "enum": [
              "text",
              "markdown"
            ],
            "type": "string"
          },
          "urls": {
            "description": "1 to 5 public http(s) URLs",
            "items": {
              "format": "uri",
              "type": "string"
            },
            "maxItems": 5,
            "minItems": 1,
            "type": "array"
          }
        },
        "required": [
          "urls"
        ],
        "type": "object"
      },
      "name": "read_pages"
    }
  ]
}

What the leaf hashes

{"body":"9d61fd2e6ef4d5d5672295fd1f384e68352657fd1020ac1e702ccaf5fb32955e","id":1479867,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793440802894516,"prev":null,"subject":"8fcd3f9d-f553-477e-8df0-7dd63fc317c2","subject_kind":"endpoint"}

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. 0x53e75932a194a6448a2256a2f0e18ffc6452e84cca97f22a0a1a08915f7f4073
2. 0x00f3887eb07e0600965d7d37a862a0805506f9db82347723862bf42f97b90927
3. 0xe36bdc3e8b95ad92db13b5006a36d72d99e2c69639fcaaf1741143e9a90112cc
4. 0xdae3cd6961a55438c5ef424652ebf4c9f6ff91368bfd5392aa2f7e8aa0e48388
5. 0xa6a5a47cea50d08c726a5c8eb3d1b06a63391103e9d8380ed093e69ce6d2850f
6. 0xc0e601973acfdae11fceeafae6598a8831fc51dc6015f9af20076a604cbf2c87
7. 0xcab0eda5972e3d00bb5f8f73239bbe6566061e801cc7fda2e0aa3ad35cb3960d
8. 0xef2e32a3119dbaa632c774f0debf62f474c2fa80af779a7a0b1c8377e93d5120
9. 0xa183df814ba223a3fa086898856c787c3dc1fec15fbff36a7090bed3f3c63dba
10. 0xa2d0f3dd88348f3288cf115010b564859949a3c3190b30b94a5e4bf0ba8e4aba
11. 0x9071801e3d44b6dba6e300b2a96c5b46a4c2ead2a38b459c606570573d7222c6
12. 0xb01926e38c14ecddfefcb77ba79ec4b28f3501e3b327ebb8253f3f4e334f812f
13. 0xf3220baf23862f460ba1258a3c10efea5d98488928e1c5c78f65caedb16272da
14. 0xa61ca0b664c5ff2f545d3f92e3125f2b38c2b4e58fd9a71badfd8a85dda4c936
15. 0x37f0ccf90cd9ba8759ef0154382593820880794592760020f095a3628e43fc3f
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0