Evidence row 566074

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "Check whether a name is free to use as the local part of an address, before buying an inbox. Free.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "name": {
            "description": "the local part, 3 to 32 characters: letters, digits, dots, dashes, underscores",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "check_name"
    },
    {
      "description": "Buy an email address for an hour, four hours or a day: name@agmail.shveik.dev with the name you choose (or a random one). Paid in stablecoins with x402: call it without a payment to get the quote, then again with the signed payment in _meta. The result has the inbox id and the secret (shown once, keep it); the inbox takes mail once the payment has settled.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "duration": {
            "description": "how long the inbox lasts: 1h, 4h or 24h",
            "enum": [
              "1h",
              "4h",
              "24h"
            ],
            "type": "string"
          },
          "name": {
            "description": "the local part of the address; omit it for a random name",
            "type": "string"
          }
        },
        "required": [
          "duration"
        ],
        "type": "object"
      },
      "name": "create_inbox"
    },
    {
      "description": "Delete an inbox and all its mail now. There is no refund. Free; needs the inbox id and secret.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "inbox_id": {
            "description": "the inbox id returned by create_inbox",
            "type": "string"
          },
          "secret": {
            "description": "the inbox secret returned by create_inbox",
            "type": "string"
          }
        },
        "required": [
          "inbox_id",
          "secret"
        ],
        "type": "object"
      },
      "name": "delete_inbox"
    },
    {
      "description": "Extend an inbox you own by one, four or twenty-four hours, keeping its address and its mail. Paid in stablecoins with x402 like create_inbox. Needs the inbox id and its secret. An inbox cannot be paid for more than 72 hours ahead.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "duration": {
            "description": "how long the inbox lasts: 1h, 4h or 24h",
            "enum": [
              "1h",
              "4h",
              "24h"
            ],
            "type": "string"
          },
          "inbox_id": {
            "description": "the inbox id returned by create_inbox",
            "type": "string"
          },
          "secret": {
            "description": "the inbox secret returned by create_inbox",
            "type": "string"
          }
        },
        "required": [
          "inbox_id",
          "secret",
          "duration"
        ],
        "type": "object"
      },
      "name": "extend_inbox"
    },
    {
      "description": "Free. Tell the people who run this service what worked, what failed or what you miss: a bug, an idea or a thanks. A person reads it. No payment, no account; limited to a few messages an hour.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "contact": {
            "description": "optional: how we can reach you or your operator",
            "maxLength": 200,
            "type": "string"
          },
          "kind": {
            "default": "other",
            "enum": [
              "bug",
              "idea",
              "praise",
              "other"
            ],
            "type": "string"
          },
          "message": {
            "description": "what worked, what did not, what you miss; no secrets or private data",
            "maxLength": 2000,
            "type": "string"
          },
          "route": {
            "description": "the route the feedback is about, if any",
            "enum": [
              "inbox-1h",
              "inbox-1h-renew",
              "inbox-4h",
              "inbox-4h-renew",
              "inbox-24h",
              "inbox-24h-renew"
            ],
            "type": "string"
          }
        },
        "required": [
          "message"
        ],
        "type": "object"
      },
      "name": "feedback"
    },
    {
      "description": "Wait for a message that carries a verification code or link and return only the code and the link. Free; needs the inbox id and secret.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "after": {
            "description": "only a message with a sequence number above this (the seq of the last one you saw)",
            "type": "integer"
          },
          "from": {
            "description": "only a message whose sender contains this text",
            "type": "string"
          },
          "inbox_id": {
            "description": "the inbox id returned by create_inbox",
            "type": "string"
          },
          "secret": {
            "description": "the inbox secret returned by create_inbox",
            "type": "string"
          },
          "subject_contains": {
            "description": "only a message whose subject contains this text",
            "type": "string"
          },
          "timeout": {
            "default": 30,
            "description": "seconds to wait for a message",
            "maximum": 55,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "inbox_id",
          "secret"
        ],
        "type": "object"
      },
      "name": "get_otp"
    },
    {
      "description": "List the messages of an inbox (sender, subject, size) after a sequence number. Free; needs the inbox id and secret.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "after": {
            "description": "only messages with a sequence number above this",
            "type": "integer"
          },
          "inbox_id": {
            "description": "the inbox id returned by create_inbox",
            "type": "string"
          },
          "limit": {
            "default": 50,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "secret": {
            "description": "the inbox secret returned by create_inbox",
            "type": "string"
          }
        },
        "required": [
          "inbox_id",
          "secret"
        ],
        "type": "object"
      },
      "name": "list_messages"
    },
    {
      "description": "Read one message of an inbox: its text, codes, links and attachment names. Free; needs the inbox id and secret.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "inbox_id": {
            "description": "the inbox id returned by create_inbox",
            "type": "string"
          },
          "message_id": {
            "description": "the message id from list_messages",
            "type": "string"
          },
          "secret": {
            "description": "the inbox secret returned by create_inbox",
            "type": "string"
          }
        },
        "required": [
          "inbox_id",
          "secret",
          "message_id"
        ],
        "type": "object"
      },
      "name": "read_message"
    },
    {
      "description": "Wait until a message arrives in an inbox (up to 55 seconds) and return it with its text, codes and links. Returns at once if a matching message is already there. Free; needs the inbox id and secret.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "after": {
            "description": "only a message with a sequence number above this (the seq of the last one you saw)",
            "type": "integer"
          },
          "from": {
            "description": "only a message whose sender contains this text",
            "type": "string"
          },
          "inbox_id": {
            "description": "the inbox id returned by create_inbox",
            "type": "string"
          },
          "secret": {
            "description": "the inbox secret returned by create_inbox",
            "type": "string"
          },
          "subject_contains": {
            "description": "only a message whose subject contains this text",
            "type": "string"
          },
          "timeout": {
            "default": 30,
            "description": "seconds to wait for a message",
            "maximum": 55,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "inbox_id",
          "secret"
        ],
        "type": "object"
      },
      "name": "wait_for_message"
    }
  ]
}

What the leaf hashes

{"body":"d19a31fcde5b1af1e850a916147470f9a88752a7e692f610dccd0076cd6458c0","id":566074,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138352415089,"prev":null,"subject":"2a18e4bb-b157-4230-ae03-f14e1be26abb","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. 0xf21b65ff8351f3f6bb4de2d6d622045063abc525dd696f3ff70f743922b9f6a2
2. 0x3692f5efd774aee7de53609156773ff8b243e192dd61d8e9937ba35ded7cb134
3. 0xcd947073ba544e9677c8b840df3b99c4c7ab1c734c534990836b1796f1c5aac5
4. 0x1a05a3eaff2ef476ccdce8b7020e6d7f3c63c7d30779182caadafd2fca64c3e7
5. 0x1402d604d3d1a8534de17c167c6d6718f9236f1c456e5f53ea0c1b7c6c8505e0
6. 0x8559eacc3f13e976a758c57a3881a112bdadea20b7303696bc7271f429d0c2e0
7. 0xe6bbe78466895003d864ff433a6d5da7ddffe1cdd0f74a2d866f68eb734e2a71
8. 0x7a5fe334a69d5c1b60d2b4707e22cd223bec3a1b6085ad805563fe551b261868
9. 0x623664f0e525c3fcc2e15ba03e0cf139c2a4451c82ed94fc3d19d8c87ed9f35c
10. 0x885dedb11c9f215b861626770d162230c3d583157caa062b453cc22d1d3d2674
11. 0x2ea101b6388c288056f45a9fd999778249a27a3187a1c19c21450a69a4412959
12. 0xc76e7a2a7d72384a3306a63b271737f83983bf378cba5d40efe61cfc57eb7d40
13. 0x47993ad5e402c748d96928c5127292d12f5f590d15cf544698f6bb348ad7dc9b
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4