Evidence row 570922

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "The departure months ranked by observed median price for a route, with the median of each. Answers \"when is it cheapest to go\" with measured data instead of seasonal folklore.",
      "inputSchema": {
        "properties": {
          "destination": {
            "description": "Destination CITY NAME, e.g. \"Tokyo\". Airport codes are not accepted.",
            "type": "string"
          },
          "origin": {
            "description": "Origin CITY NAME, e.g. \"Milan\". Airport codes are not accepted.",
            "type": "string"
          }
        },
        "required": [
          "origin",
          "destination"
        ],
        "type": "object"
      },
      "name": "cheapest_months"
    },
    {
      "description": "Answers \"buy now or wait?\" for a route, from 90 days of observed prices: verdict, percentile of today's cheapest fare against its own history, median, all-time low, and sample size. This is not a flight search: it judges a price. No other public source computes it, because it needs the price history, not today's snapshot.",
      "inputSchema": {
        "properties": {
          "destination": {
            "description": "Destination CITY NAME, e.g. \"Tokyo\". Airport codes are not accepted.",
            "type": "string"
          },
          "origin": {
            "description": "Origin CITY NAME, e.g. \"Milan\". Airport codes are not accepted.",
            "type": "string"
          }
        },
        "required": [
          "origin",
          "destination"
        ],
        "type": "object"
      },
      "name": "flight_price_verdict"
    },
    {
      "description": "Lists the routes Piratefly observes daily and can therefore judge. Call this first, or after any answer saying a route is not watched, to find out what can be asked. Filter by origin and/or destination city (partial city name is fine) or omit both for the full list.",
      "inputSchema": {
        "properties": {
          "destination": {
            "description": "Optional: only routes whose destination city contains this text.",
            "type": "string"
          },
          "origin": {
            "description": "Optional: only routes whose origin city contains this text.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "watched_routes"
    },
    {
      "description": "How many days before departure this route has historically been cheapest, from our own observations. Answers \"am I booking too early or too late?\".",
      "inputSchema": {
        "properties": {
          "destination": {
            "description": "Destination CITY NAME, e.g. \"Tokyo\". Airport codes are not accepted.",
            "type": "string"
          },
          "origin": {
            "description": "Origin CITY NAME, e.g. \"Milan\". Airport codes are not accepted.",
            "type": "string"
          }
        },
        "required": [
          "origin",
          "destination"
        ],
        "type": "object"
      },
      "name": "when_to_book"
    }
  ]
}

What the leaf hashes

{"body":"d7df7892d64433b1fe30e68ab397160cc1c8d8bd511c49b44556a4f6276cfee2","id":570922,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139979512287,"prev":null,"subject":"0cd95a76-ab7f-4a00-a9a0-6ddb7baa1c91","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. 0x695c96f6029fce2b3710969916c2fbaa3c88aec2e2dd618cef3e4b2691f97e15
2. 0xb7a2d8b2031601b67145f45aec0e6d7b2c3f31df42e890ec951962046f0f6538
3. 0x185f7b96365f5903a9c8186c249e0666ef069e51527f38333de1ec5431cd0b0d
4. 0x7f386a3143f426dfee8984a928740665f03275a8db228173871de6b53e966514
5. 0xea4608b7c08f2f6206c422146c5d60bf5697f40047405e6a2ac7c872ae6259bd
6. 0xc7d62bbf8f0432418e7c23639eefed2254dd6c99fd9fa0a25c2926610c232a57
7. 0x45e549bd99cc0938881598e1440a114c2e7c3a10302a92fbf6fbefbc46ae7de0
8. 0x802b1dd6ff875f11deb0d9a01ec6c43b2db27f8f2c2e3ffe7564b57f097b5f6d
9. 0x5eb2870066519c67c29e7a40843af3820971d34661507a5f17784c11d07cd4d0
10. 0xd8ed49b8ff5e7eb9db2e92c0988c1cfc7822e5b18295d58b6d83d8e88d36aa8c
11. 0x98e80c44f12e5fb01e0f3d2f34b9faf2a92e2bfe37bb91dc6b8acc6dd7effa3c
12. 0xff1b653b4de97259c183e79b75886676f24cb64cb6bbe1a90b1639f9b46e2c0b
13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4