Evidence row 579787

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Decode a 6–7-character FAA manufacturer/model/series code to aircraft specifications — manufacturer, model, aircraft category, aircraft type, engine type, number of engines, number of seats, weight class, cruise speed, and type-certificate data sheet/holder. Use faa_search_aircraft_types first to discover a code by manufacturer or model name.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "code": {
            "description": "Manufacturer/model/series code (e.g. \"2072714\") — 6–7 uppercase alphanumeric characters, usually 7. Discover codes via faa_search_aircraft_types.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "code"
        ],
        "type": "object"
      },
      "name": "faa_get_aircraft_type"
    },
    {
      "description": "Resolve whether a US civil aircraft N-number is active, deregistered, reserved, or unknown, including the available registration and airworthiness status. Use this rather than faa_lookup_registration when a number may be inactive. A number that was never issued returns recordType \"unknown\" — a valid, informative answer, not an error. Accepts \"N12345\" or \"12345\".",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "nNumber": {
            "description": "US registration N-number to resolve. Accepts \"N12345\" or \"12345\" (leading N optional). Shape: 1–5 characters — a leading digit 1–9, then digits, optionally ending in 1–2 letters (I and O are unused).",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "nNumber"
        ],
        "type": "object"
      },
      "name": "faa_get_registration_status"
    },
    {
      "description": "Decode one US civil aircraft N-number to its full registration record — aircraft make/model, engine, year manufactured, airworthiness, registration status, Mode S (ICAO 24-bit) code, and registered owner (when owner-PII redaction is off). Accepts \"N12345\" or \"12345\" (the leading N is optional). Returns ownerRedacted: true when owner details were withheld. A number that is known but inactive (deregistered or reserved) is not found here — use faa_get_registration_status for its current state.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "nNumber": {
            "description": "US registration N-number to decode. Accepts \"N12345\" or \"12345\" (leading N optional). Shape: 1–5 characters — a leading digit 1–9, then digits, optionally ending in 1–2 letters (I and O are unused).",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "nNumber"
        ],
        "type": "object"
      },
      "name": "faa_lookup_registration"
    },
    {
      "description": "Search FAA aircraft types by manufacturer/model name, aircraft type code, or category code to discover 6–7-character manufacturer/model/series codes and browse specifications. Pass a code to faa_get_aircraft_type for specs or faa_search_registrations as manufacturerModelCode for exact registration matches, then faa_lookup_registration for details. At least one filter is required. Every response reports totalCount (all matches, not just this page); when more remain, it returns nextOffset — pass it back as offset to page forward.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "aircraftType": {
            "description": "FAA aircraft type code: 1–9, H (Hybrid Lift), O (Other), exact match. Trimmed and uppercased; blank is unset.",
            "type": "string"
          },
          "category": {
            "description": "Aircraft category code: 1 (Land), 2 (Sea), 3 (Amphibian), exact match. Trimmed; blank is unset.",
            "type": "string"
          },
          "limit": {
            "default": 25,
            "description": "Maximum number of results to return (1–200, default 25).",
            "maximum": 200,
            "minimum": 1,
            "type": "integer"
          },
          "offset": {
            "default": 0,
            "description": "Zero-based index of the first result to return — pass the nextOffset from a previous response, with identical filters, to page forward (default 0).",
            "maximum": 9007199254740991,
            "minimum": 0,
            "type": "integer"
          },
          "query": {
            "description": "Manufacturer and/or model name to match (full-text).",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "faa_search_aircraft_types"
    },
    {
      "description": "Search active US civil aircraft registrations by owner name, make/model, exact manufacturerModelCode, state, aircraft type, or Mode S (hex) code. Discover codes with faa_search_aircraft_types, search registrations by manufacturerModelCode, then drill into N-numbers via faa_lookup_registration. Filters are AND-combined; at least one is required. Owner-name search is unavailable when this deployment redacts owner PII — use the other filters instead. Every response reports totalCount (all matches, not just this page); when more remain, it returns nextOffset — pass it back as offset to page forward.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "aircraftType": {
            "description": "FAA aircraft type code: 1–9, H (Hybrid Lift), O (Other), exact match. Trimmed and uppercased; blank is unset.",
            "type": "string"
          },
          "limit": {
            "default": 25,
            "description": "Maximum number of results to return (1–200, default 25).",
            "maximum": 200,
            "minimum": 1,
            "type": "integer"
          },
          "makeModel": {
            "description": "Aircraft make and/or model to match (full-text).",
            "type": "string"
          },
          "manufacturerModelCode": {
            "description": "Exact FAA manufacturer/model/series code: 6–7 alphanumeric characters, trimmed and uppercased; blank is unset. Discover codes with faa_search_aircraft_types. AND-combined with other filters.",
            "type": "string"
          },
          "modeSCode": {
            "description": "Six hexadecimal characters for the Mode S code (ICAO 24-bit address), exact match. Trimmed and uppercased; blank is unset.",
            "type": "string"
          },
          "offset": {
            "default": 0,
            "description": "Zero-based index of the first result to return — pass the nextOffset from a previous response, with identical filters, to page forward (default 0).",
            "maximum": 9007199254740991,
            "minimum": 0,
            "type": "integer"
          },
          "ownerName": {
            "description": "Registrant name to match (full-text). Rejected when owner-PII redaction is on.",
            "type": "string"
          },
          "state": {
            "description": "Two ASCII letters for a state, territory or military postal code (e.g. WA, GU, AE, AP; exact match). Trimmed and uppercased; blank is unset.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "faa_search_registrations"
    }
  ]
}

What the leaf hashes

{"body":"08a49fd60b17d274250c198eba449a170819077b16d14296e4b43084c1499f7f","id":579787,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793143553119122,"prev":null,"subject":"d3676997-40e4-4890-8cec-fbcd990038cb","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. 0x80daa1d78156ecced6eebdc5ec33ff7aba54bdee26ac35e5708db6526a2f3e57
2. 0xa2837a71ad1a7ba227f1b428b778e918ad03bccd02897269a98d524cb1fcf655
3. 0xe6dffdfdd8a40d69a1933a4318f08d0d3e57712bd21253620488216c658460e6
4. 0x63f1206bfd38dad735f806234adab29c75126b311c48eaf8a3fd10941851a07c
5. 0x3e8b0ecc9754cafb345920954f219b4407a6533157866f6bc220b86d369f97ee
6. 0xf89c76c6f3f7e0e66bbc4687ba0111b632e8c38fdcd745641bed32a61e5cabee
7. 0xfe0b37d170a23f25e7f47ac5189207870e02611391ba490ed92447f68d34a9c2
8. 0x2d9bd5275eebdccceb1165eecf23bc150612a9ce40b88a2f06b377134b524fd6
9. 0x878db09cf62cfbb259acb9458a88cd24fc53b49a36071f1df76c41cf9c472c56
10. 0x5adf0c0e56ec311cedb1f23a0eb22fbc34e5289b9f16d518b324a08aad04b0c5
11. 0x77641bdba200eb4cdb0cd7e7ae2756494b9b23a0e9cc5f962e803c9224e7281e
12. 0x233ead52b2b0fe0c87ddc3cb1aef399b68e9e9e33cc2fd50a2643345ab7455ad
13. 0xe38e66e8bf48306ee42504c4df50c2052cc9230af02e2ae6ff66da20232bf797
14. 0xfa0c8e8f1a1710ff197533b0a28208f2e168afe71abb7bb3416e09d1ac371d60
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4