Evidence row 1052036

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Read the current app cost estimate without advancing it. Returns flow_stage, pending_gate, and pending_gate_payload. After submission it also returns post_submit_notice and post_submit_links: relay the notice verbatim, keep every URL, and do not add an email-delivery caveat. Pass the thread_id and interview_handle from the Session section. Do not call start_session to recover a session, and do not use this tool to approve, edit, or submit.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "interview_handle": {
            "description": "Opaque interview handle from start_session. Pass it on every later tool.",
            "minLength": 1,
            "type": "string"
          },
          "thread_id": {
            "description": "Interview thread id from start_session.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "thread_id",
          "interview_handle"
        ],
        "type": "object"
      },
      "name": "get_estimate_status"
    },
    {
      "description": "Submit the user's pending choice. Set action_type to a value from pending_gate_payload.allowed_actions. In Review each step, action_type is required; confirmed_by_user=true is preferred and is not a substitute for it. In Run it for me, omit action_type and payload to advance one milestone, and do not ask the user to choose – show the user that milestone's Auto-complete decision receipt and pipe-table. Do not ask them to approve it. Call send_action once per result, and only again on the next result while next_tool is send_action. When next_tool is submit_prd, stop and offer submission. An approve moves one phase: stories to requirements, requirements to the technical spec, then the tech spec to the estimate. In Review each step, stories_reject, requirements_reject, and techspec_reject show the current table again and wait. When the user describes the change, call send_turn with their exact words and show the regenerated table that comes back. mode_select_a, mode_select_b, and mode_select_c are only the How much time pick: Normal, Quick estimate, or Detailed. Do not use them for Review each step or Run it for me. That choice is send_turn with interaction_mode. For clarifying_questions_submit, set payload.answers by question id with the letter only, such as {\"q1\":\"A\",\"q2\":\"B\"}, not \"1A\". A plain reply such as \"1B, 2A, 3C\", or any wording that combines options, goes through send_turn. Do not split one question into several letters.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "action_type": {
            "description": "Widget action type from allowed_actions. Optional in auto_complete; defaults fill the pending gate.",
            "enum": [
              "clarifying_questions_submit",
              "mode_select_a",
              "mode_select_b",
              "mode_select_c",
              "interview_summary_accept",
              "interview_summary_update",
              "story_actions_update",
              "story_actions_looks_good",
              "stories_approve",
              "stories_reject",
              "requirements_approve",
              "requirements_reject",
              "techspec_approve",
              "techspec_reject"
            ],
            "type": "string"
          },
          "confirmed_by_user": {
            "description": "Preferred when the user explicitly chose. Not required when action_type is already set to an allowed_actions value with a complete payload.",
            "type": "boolean"
          },
          "interview_handle": {
            "description": "Opaque interview handle from start_session. Pass it on every later tool.",
            "minLength": 1,
            "type": "string"
          },
          "payload": {
            "additionalProperties": {},
            "propertyNames": {
              "type": "string"
            },
            "type": "object"
          },
          "thread_id": {
            "description": "Interview thread id from start_session.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "thread_id",
          "interview_handle"
        ],
        "type": "object"
      },
      "name": "send_action"
    },
    {
      "description": "Continue an app cost estimate by sending the user's answers or requested changes to the MVP scope, user stories, requirements, or technical specification. Pass their exact words in input_as_text, even when next_tool is send_action. Compact replies such as \"1A, 2B\" are valid. Preserve the user's selections; in interaction mode Review each step do not choose answers for them. In interaction mode Review each step, relay the pipe-table and wait for approval. In Run it for me, relay the table and the decision receipt, then continue. After the user picks Review each step or Run it for me, set interaction_mode to clarify_first or auto_complete on this call. Include input_as_text when their reply also contains an idea or an answer. Omit input_as_text only when the reply is just the mode. Do not use send_action or mode_select_* for that choice. If no mode is set yet and the user continues without choosing, omit interaction_mode and the server accepts clarify_first. Phrases like \"Run it for me\" or \"auto-complete\" in input_as_text switch the thread to auto_complete.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input_as_text": {
            "description": "User message text; omit for a style-only interaction_mode switch.",
            "minLength": 1,
            "type": "string"
          },
          "interaction_mode": {
            "description": "Interview style: clarify_first (Review each step) or auto_complete (Run it for me). Required for a style-only switch; when omitted with input_as_text, clarify_first is accepted by default.",
            "enum": [
              "auto_complete",
              "clarify_first"
            ],
            "type": "string"
          },
          "interview_handle": {
            "description": "Opaque interview handle from start_session. Pass it on every later tool.",
            "minLength": 1,
            "type": "string"
          },
          "thread_id": {
            "description": "Interview thread id from start_session.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "thread_id",
          "interview_handle"
        ],
        "type": "object"
      },
      "name": "send_turn"
    },
    {
      "description": "Start a guided session to estimate app development cost, scope an MVP, and generate a software PRD. No portal account or personal access token is required. Call it with no arguments unless the user already named Review each step (clarify_first) or Run it for me (auto_complete). Do not choose an interaction mode on the user's behalf — wanting an estimate or a fast answer is not auto_complete. If interaction_mode_question is returned, show both Review each step and Run it for me, with Review each step as the default, and wait for the user's pick before send_turn. The text result has a Session section with thread_id and interview_handle. Copy those into every later tool. Preserve an explicitly selected mode without asking the user to choose again.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "interaction_mode": {
            "description": "Omit this. Set it only when the user explicitly named a mode (e.g. \"use auto-complete\"): clarify_first reviews every gate, auto_complete advances on its own and reports each decision.",
            "enum": [
              "auto_complete",
              "clarify_first"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "start_session"
    },
    {
      "description": "Submit the completed software PRD and app development estimate for email delivery and portal project creation. Call it only after user stories, requirements, tech specs, and the estimate exist. (flow_stage estimate). Run it for me stops at this tool. Offer submission and wait for the user. Do not submit it the way an empty send_action advances a milestone. Before calling, tell the user it emails the pack and creates a portal project. Propose first_name, last_name, email, country, and project_name already provided by the user, or a project name suggested by the tool. Show those values for confirmation and ask only for missing fields; if none are known, ask for all five. Set confirmed_by_user=true only after they confirm. Offer optional feedback and omit it if they skip. Never invent a contact field. If they decline, do not call this tool. Omit contact arguments the thread already collected. Pass the thread_id and interview_handle from the Session section. Success is only a ### PRD submitted receipt that includes project_id and version_id. Relay post_submit_notice verbatim, including every URL, and do not add an email-delivery caveat. A missing next_tool, a timeout, or an error is not success. If the result is unclear, call get_estimate_status. Do not call submit_prd again while that check is still unclear. Do not call submit_prd again after a receipt with both ids.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "confirmed_by_user": {
            "description": "Set true only after the user confirms the contact details (or corrects them).",
            "type": "boolean"
          },
          "country": {
            "description": "Suggested or confirmed home country from user context.",
            "minLength": 1,
            "type": "string"
          },
          "email": {
            "description": "Suggested or confirmed email from user context.",
            "format": "email",
            "pattern": "^(?!\\.)(?!.*\\.\\.)([A-Za-z0-9_'+\\-\\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$",
            "type": "string"
          },
          "feedback": {
            "description": "Optional notes from the user (scope, questions, extra context). Ask, but omit if they skip. Never invent this.",
            "type": "string"
          },
          "first_name": {
            "description": "Suggested or confirmed first name from user context.",
            "minLength": 1,
            "type": "string"
          },
          "interview_handle": {
            "description": "Opaque interview handle from start_session. Pass it on every later tool.",
            "minLength": 1,
            "type": "string"
          },
          "interview_summary": {
            "description": "Optional override; normally loaded from the thread",
            "type": "string"
          },
          "last_name": {
            "description": "Suggested or confirmed surname from user context.",
            "minLength": 1,
            "type": "string"
          },
          "project_name": {
            "description": "Suggested or confirmed project name. Prefer values the user stated.",
            "minLength": 1,
            "type": "string"
          },
          "thread_id": {
            "description": "Interview thread id from start_session.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "thread_id",
          "interview_handle"
        ],
        "type": "object"
      },
      "name": "submit_prd"
    }
  ]
}

What the leaf hashes

{"body":"95c550c807f9f3cbe9cd22f5f037937489dff746e0da5e6b67cd8b80d9629f3a","id":1052036,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793305377126763,"prev":null,"subject":"3d265b31-25f1-451d-a220-64165ccb7866","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xda4558904d4b34f0c7c606b64ea299eba9aa798e1d6152f4fd646496c419dde8
2. 0x2d6c38b6f54ef1828608464e740ffb8ad3eda0bba6575bff2a0c7bbc5e0cc97e
3. 0x0d7cf017d7db4fc9ed72528adf22f16021f37d7460a37881adc60badf3fa8999
4. 0x4259c666e6f528e2ec95f01976061dfaf76108264d85920fa2ab5367aca00d46
5. 0xd8c587a37a4a98e74a66cb9f4d4433d5c8ea5ed20237ea2c0a4714a9772dae56
6. 0x0e853eb7a7a96a03c2d964df537c1bf8e601e99327226347a16d2110b369613b
7. 0xf940af3feb34a9dbdd460fc4a84d25ddb24f2f6fd0b1c86266a328ca8e448ace
8. 0x9cb79b0b92733517b1e95609c8e345d245f95352d62e3ec85c01fc22dc5aa3ad
9. 0xecae9ac3568add2f64b8147e227fed8c3a0729de3caf88dc1e82e402ee2aea06
10. 0x10a4ad9401b6b31d6a09fae64848941436e222862e54c95df4617d92e7663595
11. 0x5f2d285a4dc67a13260469345f3b9f93a8e7969f85b04bd1fd1f211f377f4d51
12. 0xcca2c51ddf43624528a707497ddb2bcb1a2962304c7d792dcc5458ffe2ead3fc
13. 0xbab97b696ffe737616975d37e243af07fa246058d99161c165f9f96fde8768ff
14. 0xb75e183026f9112474e3710d846b63188d3bba750c3ad3feabd9a22ee7d080fc
15. 0xa7d3fa0a08edea990614977b51a6b3289c357a88d8ca06dcbfe67415a017c0e7
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1