Evidence row 1544271

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Free. Explains price, network and how to pay for read_url via x402.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "pricing"
    },
    {
      "description": "Fetch a public http(s) web page and return its title, main content as clean Markdown, and links. Respects robots.txt. Costs $0.003 (USDC on Base, x402); not charged if the page cannot be read.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "url": {
            "description": "Public http(s) URL of the page to read",
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "read_url"
    }
  ]
}

What the leaf hashes

{"body":"f5e51f813209670a83a060c0e34dd181840efbf4b20bed5d73085e35d0197674","id":1544271,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793487888743522,"prev":null,"subject":"34dbfb28-3360-4605-97a9-917da5951779","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. 0xe1a7542a11bc19ff269103554029d108f47f01285129bc0119390aab7ee4a10e
2. 0xeba4502ac172eef36490716bc86d6e5aab412d84095a2d41d6a20e0bc57c2b13
3. 0xdeb59de091f68cf6614d5f40e09b0dc01212f2f4054f77bc06d9edb19ee6cecf
4. 0xea6b8152d7211d5c3351cbbef2f77a5a1a1202c4ee71ff417d4cc3c28c7e91e6
5. 0x62a2798d854b10f6fa2e2fe7129094aba39364e170f40fd05dbdaf2a1f8d0140
6. 0xebf011a794acf818dac838eb735e349893c6a45d44693103d208b2df82fc95e9
7. 0x8d3f99fc7af50afce0f256b61c4d924ce1febb6d73ed3ad4999cc04f29e06fdd
8. 0xef8b71e7a82a6beb9bda28ec98c20fa2f07e945de46ba041ebc758ab76d7ac29
9. 0xbd6e3850e44c86b5b60d278199a7a94038fe715b2852b11d11cc4d629e8cff11
10. 0xbf45966597e5ff2e0ab0498436843449d9d469bb8c7fe53a5187dee395fa5fbc
11. 0x6b9144eb22689b2cb9a218624665f03e973d696113526ce2cd3c7dcfd885fa15
12. 0x0ea9550e9f373c8dec8de1936a8b51ed75f30ab54df44c113b6a6335d5aeb440
13. 0x60d526447d99443d6a0f7b272c17030ae6883239064b62b145eadeaeb2eb7c3d
14. 0x7a3059496dcef49b2fbe4b5eca13bdabed15efcf3581d4792babc5647855bfe5
15. 0x84bdb388a471b951dc5c0f9fd09df3197b8152707ec67daa668ab47102c8efc1
16. 0x24f03354dcb3a621317889ed99048bdf74b380516ca991bfb585c751d5cc7dfd
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0