Evidence row 521736

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Four Pillars (八字) for a birth moment: converts the clock time with the zone rules for that date (daylight saving included) and the longitude to true solar time; the year follows Li Chun and the day changes at 23:00 true solar time. Returns the pillars, Day Master, five-element counts and the time conversion details.",
      "inputSchema": {
        "properties": {
          "birth_datetime": {
            "description": "Birth wall-clock time \"YYYY-MM-DDTHH:mm\", as on the birth certificate.",
            "type": "string"
          },
          "longitude": {
            "description": "Birthplace longitude, east positive. Default: the standard meridian of the time zone.",
            "type": "number"
          },
          "timezone": {
            "description": "IANA time zone of the birthplace, e.g. \"Asia/Shanghai\".",
            "type": "string"
          }
        },
        "required": [
          "birth_datetime",
          "timezone"
        ],
        "type": "object"
      },
      "name": "bazi_pillars"
    },
    {
      "description": "Cast a Qi Men chart for every double-hour of the next few days and rank them for a goal, using the person's Day Master from the birth date. Returns the top windows with date, hour branch, true-solar-time range, score and the lucky direction at that time.",
      "inputSchema": {
        "properties": {
          "birth_date": {
            "description": "Birth date \"YYYY-MM-DD\" (sets the Day Master).",
            "type": "string"
          },
          "days": {
            "description": "How many days ahead to scan, 1-7. Default 7.",
            "maximum": 7,
            "minimum": 1,
            "type": "integer"
          },
          "focus": {
            "description": "Goal to rank for. Default general.",
            "enum": [
              "general",
              "career",
              "wealth",
              "love"
            ],
            "type": "string"
          },
          "longitude": {
            "description": "Longitude of where the person is now, east positive. Default 120 (Beijing meridian).",
            "type": "number"
          },
          "top": {
            "description": "How many windows to return, 1-10. Default 5.",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "birth_date"
        ],
        "type": "object"
      },
      "name": "best_times"
    },
    {
      "description": "Cast an hour-based Qi Men Dun Jia (奇门遁甲) chart for a moment and place: four pillars, ju, Chief Star and Door, and for each of the nine palaces the deity, star, door, heaven/earth/hidden stems, void, horse star, punishment and door pressure, plus detected patterns, palace scores for the chosen focus and the lucky directions.",
      "inputSchema": {
        "properties": {
          "datetime": {
            "description": "Local wall-clock time \"YYYY-MM-DDTHH:mm\" in `timezone`. Omit for now.",
            "type": "string"
          },
          "focus": {
            "description": "What the question is about; changes palace scores and lucky directions. Default general.",
            "enum": [
              "general",
              "career",
              "wealth",
              "love"
            ],
            "type": "string"
          },
          "longitude": {
            "description": "Longitude of the place in degrees, east positive, west negative. Default: the standard meridian of the time zone.",
            "type": "number"
          },
          "timezone": {
            "description": "IANA time zone, e.g. \"Asia/Shanghai\", \"America/New_York\". Default Asia/Shanghai.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "qimen_chart"
    },
    {
      "description": "The 24 solar terms (节气) of a calendar year, 1900-2100, with UTC and Beijing-time instants from the same table the charts use (within about a minute of the Hong Kong Observatory).",
      "inputSchema": {
        "properties": {
          "year": {
            "description": "Calendar year.",
            "maximum": 2100,
            "minimum": 1900,
            "type": "integer"
          }
        },
        "required": [
          "year"
        ],
        "type": "object"
      },
      "name": "solar_terms"
    }
  ]
}

What the leaf hashes

{"body":"47e475c247eb45ffdaaa02c6e01f08645e8ae7c6227a9e8e78242ae6dbc20913","id":521736,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793123403995151,"prev":null,"subject":"27c4d331-2fc0-4585-a53c-37ef17c5d88b","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. 0x421d90d41f4041eeceb4fb440175303011de7e0c85805e17b75304084110ce54
2. 0x88daffdb61c697da4f56f53466d8052455cc77e86bf0ce6efd31e396438bbc63
3. 0x147842a947286917e5b656d4070ded0586489ba0f24547f67b57bcb8577e3566
4. 0x73ad16372043b9ce7a0cc0edfadcc135f0cf5750db5e44e1b2cfbe33ad5ed5d9
5. 0x440b7de1d28e24a7cc853cfca4dbbc85c66bead927aa21fca29b0ae62e80c6e1
6. 0xec8243b67270713aca2d3e3d58b805d482e252254d7545d2565b93fdcc7115e1
7. 0xf2b0d3d7cad543ff9fe89a7a2805ef26040fdaf678572181f34102f4bcc039c5
8. 0xd5467b1d4a9397cbf37c0be41e5179e0f58a882a1d9528471582537c4bf5ed25
9. 0xa1a0779fb4e0c65449fe58f06f957fd730a1a5511873c9c11012844682611364
10. 0x78b251d669b352b039d8a8fe3f8f2225795af189202ef7d7076eec47144953e9
11. 0xfd91625eaaf9a70c689df6148f05bf46a5b16da2b57967e1e74462f5e514be57
12. 0xc897d71d9632ce913abe93619ab42cfbeb45fae1da80e2533fb77a3b950138a9
13. 0x4b4a1e815a33d351cc45dfa35f97aef5faf461590a54756a40dc36a0bbabf04b
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4