Evidence row 561587

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Get one Track & Blade listing by listing_id. Sold units return status sold and price null.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "listing_id": {
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "listing_id"
        ],
        "type": "object"
      },
      "name": "get_listing"
    },
    {
      "description": "Official OEM spec figures from data/spec-cards.json. Pass listing_id or make and model, with optional year. Missing figures are omitted; nothing is estimated.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "listing_id": {
            "type": "string"
          },
          "make": {
            "type": "string"
          },
          "model": {
            "type": "string"
          },
          "year": {
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "get_specs"
    },
    {
      "description": "Recommend fitting live inventory for a job, then verified OEM models not in stock. Read-only. Sold units are excluded. Missing specs stay unknown.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "include_oem_suggestions": {
            "type": "boolean"
          },
          "job": {
            "enum": [
              "trenching",
              "site_prep_grading",
              "digging_foundations",
              "loading_trucks",
              "material_handling_pallets",
              "land_clearing",
              "road_grading",
              "demolition",
              "hauling_dirt",
              "compaction",
              "other"
            ],
            "type": "string"
          },
          "job_notes": {
            "maxLength": 300,
            "type": "string"
          },
          "limit": {
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "soft": {
            "additionalProperties": {},
            "properties": {
              "class": {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "make": {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "max_hours": {
                "type": "number"
              },
              "max_hp": {
                "type": "number"
              },
              "max_operating_weight_lb": {
                "type": "number"
              },
              "max_price_usd": {
                "type": "number"
              },
              "max_width_in": {
                "type": "number"
              },
              "min_bucket_yd3": {
                "type": "number"
              },
              "min_dig_depth_ft": {
                "type": "number"
              },
              "min_hp": {
                "type": "number"
              },
              "min_lift_capacity_lb": {
                "type": "number"
              },
              "min_operating_weight_lb": {
                "type": "number"
              },
              "min_reach_ft": {
                "type": "number"
              },
              "year_min": {
                "maximum": 9007199254740991,
                "minimum": -9007199254740991,
                "type": "integer"
              }
            },
            "type": "object"
          }
        },
        "required": [
          "job"
        ],
        "type": "object"
      },
      "name": "recommend_machines"
    },
    {
      "description": "Search Track & Blade used-equipment listings. Filters: class, make, model, year/price/hours min and max, free-text query. Limit defaults to 10 and caps at 25.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "class": {
            "type": "string"
          },
          "hours_max": {
            "type": "number"
          },
          "hours_min": {
            "type": "number"
          },
          "limit": {
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "make": {
            "type": "string"
          },
          "model": {
            "type": "string"
          },
          "price_max": {
            "type": "number"
          },
          "price_min": {
            "type": "number"
          },
          "query": {
            "type": "string"
          },
          "year_max": {
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          },
          "year_min": {
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "search_listings"
    }
  ]
}

What the leaf hashes

{"body":"e593489a12df599ac10b894d9b7ad4d6505a505c6c6d2578f8a2a09b0d3d9cb1","id":561587,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137196209151,"prev":null,"subject":"2f3feba9-884e-4f91-9e6d-7638b1af7b5f","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. 0x8798fba3c2061a693ba5eef1f3ede6753e8b2dcd3eac7ffcb02416b914a221c3
2. 0xb6f63dfdf81bb2a291e3dc4d5f9ee6e17c842cce1dfd4152155adeebb700a43b
3. 0xc2fb78a0cdf94483a8314975876e362baf94ca67c05b1fe4e57242acc6065faf
4. 0x8a320c962f256906fd83b9ebf8e228941fd8f48230baec862b977eaf41070666
5. 0xeea59e35ddc1a22e6c3505d1a0beb6678f24593f9ba5a8dc5509720aace89d2d
6. 0x3adc5d631d8532dc151563592d738df5b7d60e81e0b6c5fbbbe85d35ba76de05
7. 0x4efc27e65ce7285a16f9917b7e46a1f774b5bdb1b3210595fa78735e4b67687d
8. 0xf0626bef5d06412a8f8d19d0c90c6b9ddc145700f037805f5ad7755438b4b5c3
9. 0x4861721e114e2f2f342bf5cf33a2ca3760578f27c7d69c10754c63118b754b09
10. 0x9dc25a7fda1522dda5d2072e86165df16f49960ad44e48a53e9d50481f9174bc
11. 0x75376c2d4b66495f3289538d2a16eac6d0471b87780b054af7810e758374d02a
12. 0x470f6acef0d823e6f9e5fa35684563c8f27c3d338b165b457171afc3d44d4d86
13. 0x6251e2be57e8d16b82579481d181c265d75096882014489550b74a728741f2f1
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4