Evidence row 301278

What was observed

{
  "count": 13,
  "tools": [
    {
      "description": "Find RxNorm concept IDs (RxCUIs) matching a drug name string. RxNav REST: GET /rxcui.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "allsrc": {
            "description": "0 = Active concepts only (default), 1 = all sources.",
            "enum": [
              "0",
              "1"
            ],
            "type": "string"
          },
          "name": {
            "description": "Drug name to look up, e.g. 'cymbalta'.",
            "type": "string"
          },
          "search": {
            "description": "0 exact (default), 1 normalized, 2 exact-or-normalized, 9 approximate.",
            "enum": [
              "0",
              "1",
              "2",
              "9"
            ],
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "rxnorm_find_rxcui_by_name"
    },
    {
      "description": "Get every concept directly or indirectly related to a concept (all term types). RxNav REST: GET /rxcui/{rxcui}/allrelated.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "rxcui": {
            "description": "RxNorm concept id (RxCUI).",
            "type": "string"
          }
        },
        "required": [
          "rxcui"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_all_related"
    },
    {
      "description": "Fuzzy match a term against RxNorm names — tolerant of abbreviations, misspellings, and extra words. RxNav REST: GET /approximateTerm.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "maxEntries": {
            "description": "Max candidates to return. Default 20.",
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "option": {
            "description": "0 = current concepts (default), 1 = include obsolete.",
            "enum": [
              "0",
              "1"
            ],
            "type": "string"
          },
          "term": {
            "description": "Search term, e.g. 'zocor 10 mg'.",
            "type": "string"
          }
        },
        "required": [
          "term"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_approximate_match"
    },
    {
      "description": "Get the drugs belonging to a drug class (RxClass API). RxNav REST: GET /rxclass/classMembers.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "classId": {
            "description": "Class id, e.g. 'N02BE' (ATC) or a MED-RT class id.",
            "type": "string"
          },
          "rela": {
            "description": "Relationship filter, e.g. 'may_treat' (source-dependent).",
            "type": "string"
          },
          "relaSource": {
            "description": "Class source, e.g. 'ATC', 'MEDRT', 'VA', 'DAILYMED'.",
            "type": "string"
          },
          "trans": {
            "description": "0 = direct members (default), 1 = include transitive.",
            "enum": [
              "0",
              "1"
            ],
            "type": "string"
          },
          "ttys": {
            "description": "Space-separated term types to include, e.g. 'IN MIN'.",
            "type": "string"
          }
        },
        "required": [
          "classId",
          "relaSource"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_class_members"
    },
    {
      "description": "Get the RxNorm properties (name, synonym, tty, language, suppress, umlscui) of a concept. RxNav REST: GET /rxcui/{rxcui}/properties.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "rxcui": {
            "description": "RxNorm concept id (RxCUI), e.g. '617314'.",
            "type": "string"
          }
        },
        "required": [
          "rxcui"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_concept_properties"
    },
    {
      "description": "Get the drug classes that contain a drug, by drug name (RxClass API). RxNav REST: GET /rxclass/class/byDrugName.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "drugName": {
            "description": "Drug name, e.g. 'metformin'.",
            "type": "string"
          },
          "relaSource": {
            "description": "Class source, e.g. 'MEDRT', 'ATC', 'VA', 'DAILYMED'.",
            "type": "string"
          },
          "relas": {
            "description": "Space-separated relationships, e.g. 'may_treat has_ingredient'.",
            "type": "string"
          }
        },
        "required": [
          "drugName"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_drug_classes"
    },
    {
      "description": "Search drug products (all term types) matching a name, grouped by concept type. RxNav REST: GET /drugs.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "expand": {
            "description": "Optional expansion, e.g. 'psn' to include prescribable names.",
            "type": "string"
          },
          "name": {
            "description": "Drug name to search, e.g. 'prednisone'.",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_drugs"
    },
    {
      "description": "Get the status, history and attributes of a concept (active, remapped, quantified, etc). RxNav REST: GET /rxcui/{rxcui}/historystatus.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "rxcui": {
            "description": "RxNorm concept id (RxCUI).",
            "type": "string"
          }
        },
        "required": [
          "rxcui"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_history_status"
    },
    {
      "description": "Get the NDCs (National Drug Codes) associated with a concept. RxNav REST: GET /rxcui/{rxcui}/ndcs.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "rxcui": {
            "description": "RxNorm concept id (RxCUI).",
            "type": "string"
          }
        },
        "required": [
          "rxcui"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_ndcs"
    },
    {
      "description": "Get a named property (category, name, value) of a concept, e.g. ATC code or a synonym. RxNav REST: GET /rxcui/{rxcui}/property.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "propName": {
            "description": "Property name, e.g. 'ATC' or 'RxNorm Synonym'.",
            "type": "string"
          },
          "rxcui": {
            "description": "RxNorm concept id (RxCUI).",
            "type": "string"
          }
        },
        "required": [
          "rxcui",
          "propName"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_property"
    },
    {
      "description": "Get concepts related to a concept, restricted to the specified term types. RxNav REST: GET /rxcui/{rxcui}/related.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "rxcui": {
            "description": "RxNorm concept id (RxCUI).",
            "type": "string"
          },
          "tty": {
            "description": "Space-separated term types, e.g. 'SCD SBD BPCK'.",
            "type": "string"
          }
        },
        "required": [
          "rxcui",
          "tty"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_related_by_type"
    },
    {
      "description": "Get spelling suggestions for a possibly-misspelled drug name. RxNav REST: GET /spellingsuggestions.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "name": {
            "description": "Drug name (possibly misspelled), e.g. 'ibuprofin'.",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "rxnorm_get_spelling_suggestions"
    },
    {
      "description": "List all RxNorm term types (metadata), e.g. SCD, SBD, IN, BN. RxNav REST: GET /termtypes.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {},
        "type": "object"
      },
      "name": "rxnorm_get_term_types"
    }
  ]
}

What the leaf hashes

{"body":"87a5a8e211261f3a978937fffaa880ce3fef260bbf24e68b530d7d7eaa8e9ea0","id":301278,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793053999249829,"prev":null,"subject":"63d7883e-6dab-42a4-b53d-2806b27c9754","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x1aacb4b602ad4b3a6b7dcea588ce7d319bbeab2d6505464e4f9b0f1d414d43e9
2. 0x92e5f140cf8de3de6733ebb365413d86d7d75b0393be074486a7fa9828bfb3c7
3. 0x748974a780a79cea5027cb97ab6f1cc0e3ef52bf30e86f92d36afd490dd4ffd2
4. 0xd73fee530060cd9eb341be9f525d438aaac15e532b81efdd959c6ae1ccb0b51f
5. 0xde70bdae808cb8088cf7318f69a378e308a78e198407b35cb799841f6580387e
6. 0xe06617dee314308c80e89c7b10c0605e8a9e77e3ed113a9730f00fd56d2cd8f6
7. 0xcd727005c12e6ff358462f2592858c248053ab71ffd9ff12776933f15e38b80f
8. 0x73d1a21c8738aa04f9f08c47c5961d84cd722167777b2b1de60ca605ddc418af
9. 0x522761010ff0a51d7a93a23a2c36ff951f83ab5736b328badc7aa1e01f3d1a08
10. 0xdd23b279d0847860786130eecc85f2b83d5c655bfd9ab282efff968c5d7bdc6d
11. 0x6a51e1d524ffd968d6f505e10f76aacd4ae61fc223a88a38ef8820592653c75a
12. 0x6a8a72430804a14ec575375f3d0ca4364f58310afb2c2e8c92b72f8b75809db9
13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae