Evidence row 309027

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "A guest has no saved company context, so as a guest this answers the empty context (version 0, nothing confirmed) with claim, where to sign in and confirm your company in the workspace. With an account: your company context as confirmed (name, summary, audience), its version and the version history. Optionally one section.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "section": {
            "description": "One section. Leave out for the whole context.",
            "enum": [
              "name",
              "summary",
              "audience"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "brain_get"
    },
    {
      "description": "Needs an account. A signed-in agent tells the distribution team about a problem or an idea with any API key. As a guest this sends nothing: it answers with claim, where to sign in and create a key, so the report can be sent from an account.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "context": {
            "description": "Where it happened: the tool, request id, URL, error code and HTTP status. Other keys are dropped.",
            "properties": {
              "error_code": {
                "description": "The error's code, e.g. unprocessable.",
                "maxLength": 80,
                "type": "string"
              },
              "request_id": {
                "description": "The request id from an error, if any.",
                "maxLength": 120,
                "type": "string"
              },
              "status": {
                "description": "The HTTP status, if any.",
                "maximum": 599,
                "minimum": 100,
                "type": "integer"
              },
              "tool": {
                "description": "The tool or endpoint involved.",
                "maxLength": 80,
                "type": "string"
              },
              "url": {
                "description": "A page or endpoint; only its origin and path are kept.",
                "maxLength": 2000,
                "type": "string"
              }
            },
            "type": "object"
          },
          "details": {
            "description": "What happened (the exact error), how to repeat it (the call), what you expected. Identifiers only.",
            "maxLength": 8000,
            "minLength": 1,
            "type": "string"
          },
          "kind": {
            "description": "bug, gap (a missing capability or an empty or wrong field), idea, praise or other.",
            "enum": [
              "bug",
              "gap",
              "idea",
              "praise",
              "other"
            ],
            "type": "string"
          },
          "title": {
            "description": "One line: what happened or what is missing.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "kind",
          "title",
          "details"
        ],
        "type": "object"
      },
      "name": "feedback_send"
    },
    {
      "description": "No account needed. What this connection can do without a key: which tools answer now, which need an account, the guest limits, and claim, where to sign in and create a key in Developers.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "guest_status"
    },
    {
      "description": "No account needed. As a guest (no audience on file): how much of the network is on sale today, per channel: approved creators, posts on sale at a current price, and whether coverage is strong or thin. Counts only, never a creator's identity. resolve_audience narrows it to an audience you describe; with an account it is measured against your own audience.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "inventory"
    },
    {
      "description": "No account needed. The all-in price range a brand pays per post in one format (post, quote or thread) across every creator on sale now, and that range times the number of posts you name (1 to 50), with how many creators sell that format and when the numbers were read. A guest gets 3 quotes in any 7 days from one address (quotes_left says how many remain); the next is refused with rate_limited (reason guest_quote_limit, retry_after and resets_at). A range, not a plan: a plan names creators and dates and needs an account (claim says where to sign in and create a key).",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "format": {
            "default": "post",
            "description": "post (an original post), quote (a quote repost) or thread. Default post.",
            "enum": [
              "post",
              "quote",
              "thread"
            ],
            "type": "string"
          },
          "posts": {
            "default": 1,
            "description": "How many posts, 1 to 50. Default 1.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "plan_quote_guest"
    },
    {
      "description": "No account needed for a profile you describe (product, audience, geography; at least a product or an audience): the audience segments it matches and the coverage per channel, the same check a campaign gets when it starts. Counts only, never a creator's identity. The fit for a campaign of yours (intent_id) needs an account.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "audience": {
            "description": "Who it is for, in your words.",
            "maxLength": 500,
            "type": "string"
          },
          "geography": {
            "description": "Where the audience is, or worldwide.",
            "maxLength": 200,
            "type": "string"
          },
          "product": {
            "description": "What is being promoted.",
            "maxLength": 500,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "resolve_audience"
    }
  ]
}

What the leaf hashes

{"body":"eae5ff525c723500b34a5cf3e2fd6b60c6a7a0b8e8d8a34ce6941ad9a5753e2d","id":309027,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793058640238216,"prev":null,"subject":"2eacec3c-7297-4f34-9bc9-b1d3b89bff41","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. 0x043a4b7868009caee56bbfba5b7834d9db454da453195f53e88cf2cf11f73446
2. 0xa5a2465f8baeb33d9e7822f9974aa34e30b564dcaea0e5c36e08666cd7ceedfd
3. 0x8ac542e1e18fd27536038176d67c4b57f1e75ac6def151cb90e30a513b5463bd
4. 0xe399c55b3a412cfd1cad1eda7495104e60e6d8e617f062bae804223e4231d223
5. 0x413120e301d8d5b6b5fc588c07e5c5264addb1530c17e2c88d1edcc99934aa4e
6. 0x7c54dfc418871311a8ff0d7faace8ec747196f6ace58de65685bfdf67eb05140
7. 0x178e0d6b8abb934955789e52a9d260eacc3d8d6d2f56cf56e3c720722c7dd850
8. 0xa683e342e3d46ee9c7d106e879450c34e47a68fdb474ea836e673496a6dfa335
9. 0x0f58054eee3167ffa703c7e354e54aa9405cb3f514caf06ce2ee9fb51eb1a904
10. 0x28efbda3043fe0ad6931419f72618781ad3b289c046ef258b300ab314d01bde2
11. 0x0dadbaadc61f6ee6be4586a11afb533e54da3f5fef5c8ec2ecba1bfa573ce6d3
12. 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
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