Evidence row 2724727

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Given the URL of a job posting on an employer's career site or applicant tracking system (Greenhouse, Lever, Ashby, Workday and others), report whether it is still open, when JobShifu first saw it, and whether it has been reposted.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "url": {
            "description": "The job posting's URL.",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "check_posting"
    },
    {
      "description": "One posting in full by its job_id (from search_jobs or check_posting): what it requires, pay as published, freshness, and the employer's description.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "job_id": {
            "description": "The job_id from search_jobs.",
            "type": "string"
          }
        },
        "required": [
          "job_id"
        ],
        "type": "object"
      },
      "name": "get_job"
    },
    {
      "description": "Search jobs posted on employer career sites. Returns short cards: title, employer, location, pay as published, when the posting was first seen and whether it was reposted, with a link and the job_id.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Two-letter country code, e.g. US, CA, GB, AU.",
            "type": "string"
          },
          "limit": {
            "maximum": 40,
            "minimum": 1,
            "type": "integer"
          },
          "location": {
            "description": "City or region, e.g. \"Toronto, ON\".",
            "type": "string"
          },
          "page": {
            "description": "0 for the first page. Later pages need a signed-in account.",
            "minimum": 0,
            "type": "integer"
          },
          "posted_within_days": {
            "maximum": 60,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Role or keywords, e.g. \"data analyst\".",
            "type": "string"
          },
          "remote": {
            "description": "Only remote roles.",
            "type": "boolean"
          }
        },
        "type": "object"
      },
      "name": "search_jobs"
    }
  ]
}

What the leaf hashes

{"body":"afba7c967125cbfcc23cd4887b79335b213936eb4ade813d065b46b08e99bf03","id":2724727,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793746954839047,"prev":null,"subject":"5cf7a67a-f853-45da-b604-23e0480117fa","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xbd7b0ffcae79cbbc0fa44b9da6270d22fd7aac26a98a0a7ebd0ee613afcba11d
2. 0xc5f78fb7e9067a6a3e7da264260ece84a6d038627e5625164710e990168c86eb
3. 0x7b4fb5957c37e46c1b41024a00883bee8e685688fd0038a2e49191bad8578d21
4. 0x754842e9479a48b96efa907a7d28bff1a0d2fbf14ca745840d5435cdf7a7407b
5. 0x93a2b70e61610a44271d687e5b01bc11656b33d86d13c9b58504951a87684022
6. 0x0ba853ffe6b6c44dcee2b7cf751cbb8c29e77e5fdf7e58a8a0f15cf42403daf4
7. 0xe948f8067ffc7be0b6be84409e0dc00dac279e8ddefcfa7feb4038ff968cb16b
8. 0x27274f91691b28c1bc5a6d363324c4d4b793f3a534f9dee3dbdfb2c156f6bea2
9. 0x4656b6a1d4bedd11248c5d285347ef9a63ed659e9e3e93c11ce75f9140fde9a8
10. 0x173980c2d74c663a6eaae62950196bd3818df655347c5f0bc8359351ee005efa
11. 0x92b3ca3ac74def20ef1015f5963e365eda10917369c06920366bad0a979ede08
12. 0x63a5991c187a9530e2177a341da1cf5333e53e4df48dc340dc718a9a7d54a2d3
13. 0x4b0168dc3cf75706d02e85e816aabcf4a2cbb6cd44a0eea1377f703048a10500
14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7