Evidence row 307715

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Store a small UTF-8 memo in ephemeral KV store.",
      "inputSchema": {
        "properties": {
          "body": {
            "type": "string"
          },
          "id": {
            "type": "string"
          }
        },
        "required": [
          "id",
          "body"
        ],
        "type": "object"
      },
      "name": "persist_memo"
    },
    {
      "description": "Deterministic zero-friction inbox: any mailbox name is live. Returns stored messages and extracted OTP/links.",
      "inputSchema": {
        "properties": {
          "inbox_prefix": {
            "type": "string"
          },
          "x_session_purpose": {
            "type": "string"
          }
        },
        "required": [
          "inbox_prefix"
        ],
        "type": "object"
      },
      "name": "provision_and_poll_otp"
    },
    {
      "description": "Queue a one-shot HTTP POST to an agent-supplied callback_url after delay_sec (wake relay).",
      "inputSchema": {
        "properties": {
          "callback_url": {
            "type": "string"
          },
          "delay_sec": {
            "maximum": 86400,
            "minimum": 1,
            "type": "integer"
          },
          "payload": {
            "type": "object"
          }
        },
        "required": [
          "callback_url",
          "delay_sec"
        ],
        "type": "object"
      },
      "name": "schedule_wakeup"
    },
    {
      "description": "Append a payload to a webhook bin and list what was received.",
      "inputSchema": {
        "properties": {
          "body": {
            "type": "string"
          },
          "hook_id": {
            "type": "string"
          }
        },
        "required": [
          "hook_id",
          "body"
        ],
        "type": "object"
      },
      "name": "webhook_echo"
    }
  ]
}

What the leaf hashes

{"body":"e62e179e232f3bb2a5f9a1ecf611390fabbfccbd7379bf5e420aeb102bf20acd","id":307715,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793057833550594,"prev":null,"subject":"0c83f178-9dcd-4d9c-bc86-0267e2d68b18","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x05fb0146d86c97b9159926f614d8ff72e8968697c37eb0889b8eb21d7d89b17f
2. 0x3daaec937a732aac6e0cb9744f907b7415492f547da2fd43ad374c34b22622ed
3. 0x1f8b0f1da2f7c9f6a2d40e7e0338bba53732b7b75c8f62aa9098c59e7a69def1
4. 0x27e614918fba75b37cf0c75b3b95509b28921c065f775a30613a2f9008cadce5
5. 0xcd65f4295d21fc12bf5eac2b5d7cfd319dc17b6aa802b6db79b329e33c305ac7
6. 0xf890d49b481b819a792f308584e54b948fd6194a998a5e1418ef1d350f684029
7. 0xe6794a36557f69819fc61f2e29696c341d4837b9f9c27a267be032f5685d713b
8. 0x441d907312cc772773126d1532701c0f10c04336e33ae73c50e6870b533f0544
9. 0x2e678e5fc91d6c512e07512fdd928a58c415e6df78049106213d287f51f20d5f
10. 0xcbf24e2308735268c6c221452ee6dcce65722c748c6fc988da0c295e5f881662
11. 0x88fb9d02ea6ed7254b70cfe02388b31c183a7a709aad6303948d66f85ad516b1
12. 0x7910a200eb458bec3c3badb3b2ead3e75cec5f3ba263800cea6b9f32efb53f25
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae