Evidence row 3404370

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Search arXiv preprints with abstracts and PDF links. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "limit": {
            "description": "number 1-50",
            "type": [
              "number",
              "string"
            ]
          },
          "query": {
            "description": "string, required",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "arxiv_search"
    },
    {
      "description": "Metadata for a DOI from Crossref. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "doi": {
            "description": "string, required",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "doi_lookup"
    },
    {
      "description": "Search scholarly papers (OpenAlex default, or Crossref) with authors, venue, year, DOI, citations and open-access link. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "fromYear": {
            "description": "YYYY",
            "type": "string"
          },
          "limit": {
            "description": "number 1-50",
            "type": [
              "number",
              "string"
            ]
          },
          "query": {
            "description": "string, required",
            "type": "string"
          },
          "source": {
            "description": "openalex|crossref",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "papers_search"
    },
    {
      "description": "Search PubMed biomedical literature. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "limit": {
            "description": "number 1-50",
            "type": [
              "number",
              "string"
            ]
          },
          "query": {
            "description": "string, required",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "pubmed_search"
    }
  ]
}

What the leaf hashes

{"body":"be85123a1b02e83293b13a04c8c144ecb1a012bbf16293e00d002a0bc46be8a4","id":3404370,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793883615390881,"prev":null,"subject":"967b31ea-cf07-462d-aa4b-e4edc00b6219","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xd4afeed81251745c41e4a3fff48792c57ff8c341f4f533e092a0fdeb3a51f967
2. 0x0d93b63187cb69ba45a7132578905fc99fa61af01e7f9ea1bcdc35dc86312b00
3. 0x287e7575644cde5d5923afc5895a454b5e557fa03ea6d88aed0c9e8557006772
4. 0x125a3026c3179b65b062380c0c336428fa603f3bff03a631bfc5829ad63a16f6
5. 0xc8775f50dbb6fa4670d2a5608d78fa1c8835b46b2c717f678af9e8a423d41537
6. 0x7c00a6fd96286b0fd7d8d8217229fc6623c5c4b11875b6a4252c90f731cbb4d2
7. 0xa636ae9723b5a4850dfcf088a5c676e5fea7d9f3916455fb0ac2d6567b916796
8. 0x2b30dee7f78d8ed38da5eb74f4272eddc7bae059ac0b286375acf3b92f793bc0
9. 0x8c7b5a53fe5b55c3ce4c708da02ce61a9d2e513dd8f968d3b455c8eb59bcf0df
10. 0x0d196b9862615db1bb8b1c2d0a3042fc5057ec6038b73bb9923fd05e8aa391e6
11. 0x5daf623f932bb3d5ae3e082471b84ac8401257b3a5194ac3d7dd15a75f1d0836
12. 0xf0b38d47f92fac87855ba2693c97beea5ac1d6bdf929af5e15a306c6892a3685
13. 0xc98ea9e7a31315529c80bf8f8a649e06ea1b1b599b9fcf599a46b2653a85c322
14. 0x4c7b7f3f42e860af0292451afd96bceb26eb41ca5c810766a3ab2c07c3919b93
15. 0x84cc0709bdcf43a76bb38852cd824bccc42d1167214eaa0cc6f5136bc9060566
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94