Evidence row 565927

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "How current the catalog is: the snapshot served and when it was built.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "catalog_freshness"
    },
    {
      "description": "The full record for a Pillwise drug id: names, ingredients, form, strength, packages and recalls.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "as_of": {
            "description": "Optional. Answer as of this day (YYYY-MM-DD) or instant (RFC 3339), within retained snapshots.",
            "type": "string"
          },
          "id": {
            "description": "A Pillwise drug id, like pw_d_….",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_drug"
    },
    {
      "description": "The forms (tablet, liquid, patch…) and strengths a medication comes in, with labels for people and values to send back. Use the id from a search hit.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "as_of": {
            "description": "Optional. Answer as of this day (YYYY-MM-DD) or instant (RFC 3339), within retained snapshots.",
            "type": "string"
          },
          "id": {
            "description": "A Pillwise drug id from search, like pw_g_… or pw_d_….",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_form_options"
    },
    {
      "description": "The package NDCs that belong to a Pillwise drug id.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "as_of": {
            "description": "Optional. Answer as of this day (YYYY-MM-DD) or instant (RFC 3339), within retained snapshots.",
            "type": "string"
          },
          "id": {
            "description": "A Pillwise drug id, like pw_d_….",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_packages"
    },
    {
      "description": "Drug recalls, filtered by at least one of ndc, drug_id or since.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "drug_id": {
            "description": "A Pillwise drug id.",
            "type": "string"
          },
          "ndc": {
            "description": "A package or product NDC.",
            "type": "string"
          },
          "since": {
            "description": "Recalls on or after this day, YYYY-MM-DD.",
            "type": "string"
          },
          "status": {
            "description": "Optional, like Ongoing or Terminated.",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "list_recalls"
    },
    {
      "description": "Drug shortages, filtered by at least one of ndc or drug_id.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "drug_id": {
            "description": "A Pillwise drug id.",
            "type": "string"
          },
          "ndc": {
            "description": "A package NDC.",
            "type": "string"
          },
          "status": {
            "description": "Optional, like Current or Resolved.",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "list_shortages"
    },
    {
      "description": "The package and drug for an NDC: 11 digits, 10 with hyphens (4-4-2, 5-3-2 or 5-4-1), or a product NDC. A bare 10-digit code is matched only as listed; no padding is guessed.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "as_of": {
            "description": "Optional. Answer as of this day (YYYY-MM-DD) or instant (RFC 3339), within retained snapshots.",
            "type": "string"
          },
          "ndc": {
            "description": "Like 50580-488-10 or 50580048810.",
            "type": "string"
          }
        },
        "required": [
          "ndc"
        ],
        "type": "object"
      },
      "name": "lookup_ndc"
    },
    {
      "description": "The clinical drug for an RxCUI.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "as_of": {
            "description": "Optional. Answer as of this day (YYYY-MM-DD) or instant (RFC 3339), within retained snapshots.",
            "type": "string"
          },
          "rxcui": {
            "description": "Digits, like 314076.",
            "type": "string"
          }
        },
        "required": [
          "rxcui"
        ],
        "type": "object"
      },
      "name": "lookup_rxcui"
    },
    {
      "description": "Typeahead search by what a person calls a medication: brand, ingredient or everyday name. Returns brand and ingredient groups in the order a person would pick, not packages.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "as_of": {
            "description": "Optional. Answer as of this day (YYYY-MM-DD) or instant (RFC 3339), within retained snapshots.",
            "type": "string"
          },
          "limit": {
            "description": "Hits to return (default 10).",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "What the person typed, at least 3 characters, like \"tylenol\" or \"vitamin d3\".",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_medications"
    }
  ]
}

What the leaf hashes

{"body":"4b649a2407f9add94e7b3dbe7c94b9553f1dc76ca251cf6c3c833f783be004d9","id":565927,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138300816720,"prev":null,"subject":"4594b884-ed33-45a7-ab80-52494e3bcd48","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xa497afab0f655bd110604bd29708e935037c817930f6ca98cb391b810ce7e1fe
2. 0x86a956e994760980df2ff61cc677f9a6a8502027131bd88f068fb3cef24501f4
3. 0xf68d5a35127f6c14ee4196991b35a56cbdb6222be10255566153de174400e0b6
4. 0x843b3fa663126c64c8818ce76b04411211da8848ec99deed846737fb3c85622d
5. 0x38d1791e272824d9850382a068731d9f2d49a73d13dd35a0213c942eb2ed4e26
6. 0x4e591c8898c89eddb1e1a94f47dc6ec7c77fec31872471e947d03e2c1e79f5d6
7. 0x010a0b606b62b8165dfac8dac3329e9490518ece2ec1d73f5ea2f1ad4f0dd571
8. 0xf2f9bff01316bfa6dcdc4ae3b73638cff7e546c98d876028eda3d96de952d453
9. 0x632f5c2c4b3d2ec080fc2486fa681792f103edb002de047b52cfe840daf5e44c
10. 0xd3b92a9905d0b644ed295d09d3a46a58d873ffae60e8cbe81e0dc2783c8e0bac
11. 0x1f05a1d6742df860387251334897b5242f60183a4f9751704af390ea507acc90
12. 0xc99f276d750460ec390a64510fe7ad6b609e36fddb943e81299b02a623e63048
13. 0x87816aee66e8f6e0f1e55ea83733bb58cf9612d36c45fd5b7fc5d6f4484b78fd
14. 0x0644f7e2a4b5bf9b66f185cc3fbb766d456ad94490183852f4c6db5855114cc5
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4