Evidence row 522038

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "Creates a real appointment in the salon calendar. ONLY call after the user explicitly confirmed: services, master (or any), date and time, their name and phone. The salon may contact the client to confirm.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "client_email": {
            "maxLength": 120,
            "type": "string"
          },
          "client_name": {
            "maxLength": 80,
            "minLength": 1,
            "type": "string"
          },
          "client_phone": {
            "description": "International format, e.g. +66 81 234 5678",
            "maxLength": 24,
            "minLength": 6,
            "type": "string"
          },
          "comment": {
            "description": "Wishes for the master, preferred language, etc.",
            "maxLength": 400,
            "type": "string"
          },
          "datetime": {
            "description": "Start time from find_available_slots, e.g. 2026-10-22T14:00:00+07:00",
            "type": "string"
          },
          "lang": {
            "enum": [
              "en",
              "ru",
              "zh",
              "th",
              "de",
              "fr",
              "he"
            ],
            "type": "string"
          },
          "service_ids": {
            "items": {
              "maximum": 9007199254740991,
              "minimum": -9007199254740991,
              "type": "integer"
            },
            "maxItems": 5,
            "minItems": 1,
            "type": "array"
          },
          "staff_id": {
            "description": "0 or omitted = any available master",
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          }
        },
        "required": [
          "service_ids",
          "datetime",
          "client_name",
          "client_phone"
        ],
        "type": "object"
      },
      "name": "create_booking"
    },
    {
      "description": "Full details for an id returned by search.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maxLength": 60,
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "Live free start times from the salon calendar for one or more services, optionally with a specific master (staff_id). Returns dates with times (Asia/Bangkok) and masters who do the service.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "date": {
            "description": "First date to check, YYYY-MM-DD (default today)",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "days": {
            "description": "How many bookable days to return (default 3)",
            "maximum": 7,
            "minimum": 1,
            "type": "integer"
          },
          "service_ids": {
            "description": "Service IDs from list_services",
            "items": {
              "maximum": 9007199254740991,
              "minimum": -9007199254740991,
              "type": "integer"
            },
            "maxItems": 5,
            "minItems": 1,
            "type": "array"
          },
          "staff_id": {
            "description": "Master ID; omit or 0 for any master",
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          }
        },
        "required": [
          "service_ids"
        ],
        "type": "object"
      },
      "name": "find_available_slots"
    },
    {
      "description": "A link where the user can complete booking themselves, with the service and master preselected.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "service_id": {
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          },
          "staff_id": {
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "get_booking_link"
    },
    {
      "description": "Address (English and Thai for taxi drivers), map links, opening hours, phone/WhatsApp/Telegram, languages spoken and booking options of ERA in Bang Tao, Phuket.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {},
        "type": "object"
      },
      "name": "get_salon_info"
    },
    {
      "description": "Search ERA services with current prices in THB, durations and master levels (ONE / PRO / PRIME). Use q for keywords in any language (e.g. \"gel manicure\", \"балаяж\", \"beard\").",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "audience": {
            "description": "Filter by audience",
            "enum": [
              "women",
              "men",
              "all"
            ],
            "type": "string"
          },
          "lang": {
            "description": "Language for service names",
            "enum": [
              "en",
              "ru",
              "zh",
              "th",
              "de",
              "fr",
              "he"
            ],
            "type": "string"
          },
          "q": {
            "description": "Search text",
            "maxLength": 80,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_services"
    },
    {
      "description": "Search ERA services, prices and salon information. Returns ids for fetch.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "query": {
            "maxLength": 120,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    }
  ]
}

What the leaf hashes

{"body":"1427e5362dd42f310620afde423f84faddf8b3a12150a53551f9d274a9949d98","id":522038,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793123602331976,"prev":null,"subject":"bb5a3008-f05d-4e36-ad81-3f8001172b5e","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. 0x26da84616aed227cc88c31b14d5f1a74ef2ca7cdba403e8bf3e90c27909df516
2. 0xc988aa67acbc0f8169faab25ec18f5cca5116e651fb0a8fa2ef621cf0fdd6d12
3. 0x77784102ab3a9dbd97d844ab1b320d300bdc6c386ece78ad2bc7aa8630d54e9a
4. 0xe959bb2076373572e971c8165dad785f830adf033868825c7efa89b3842eed49
5. 0xd3abe6005051af4e870833274e8121dc04bbeae30b6825823b7f04ab0b17274e
6. 0x5f26a29c9109947bb817ca88a5c3244bf0031886e9d250e4890e1304032b9c89
7. 0x20b065799e6c05b5804baa8ac51f4f17dd17ecf284cf29952a2deebfb5c8bb39
8. 0xfba996140b4e92504d1a46584c5f0fe78fc0d371b62166658391f401ed7a274d
9. 0x7eef3e84cbbf8e3022478f42694672ed3489a1c7c41c067024be8e6c6490540d
10. 0x5aba22f3dc53cd93af636c89bbe0c1859d33e4e88ee22eb9667b233d6252b74b
11. 0x2d75a3b8f36f049e598ecd7557138ba9fd051a8555ec519a603c54db3bb1093f
12. 0xf5aa0adf486bca586314afc4935e732d521d3d8275e51eb4c8d2de46b00ea2c1
13. 0x28be2f2303fcac4decdb6323b0f4ee8f8a31038beb758eaafc604a98626292e4
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4