Evidence row 544686

What was observed

{
  "count": 15,
  "tools": [
    {
      "description": "Cancel a scheduled post by id.",
      "inputSchema": {
        "properties": {
          "id": {
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "cancel_post"
    },
    {
      "description": "Save a draft for later without spending posting quota.",
      "inputSchema": {
        "properties": {
          "content": {
            "type": "string"
          },
          "platforms": {
            "description": "e.g. linkedin, bluesky",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "content",
          "platforms"
        ],
        "type": "object"
      },
      "name": "create_draft"
    },
    {
      "description": "Create a post. Provide scheduledAt (ISO datetime) to schedule, queue=true for the next open queue slot, or neither to post within ~5 minutes. Media platforms (instagram, tiktok, pinterest, youtube) need mediaUrl/mediaUrls from upload_media; tiktok/pinterest/youtube also need their options object.",
      "inputSchema": {
        "properties": {
          "content": {
            "type": "string"
          },
          "mediaAlts": {
            "description": "Alt text per carousel image",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "mediaType": {
            "description": "Required with mediaUrl",
            "enum": [
              "image",
              "video"
            ],
            "type": "string"
          },
          "mediaUrl": {
            "description": "Postlia storage URL from upload_media",
            "type": "string"
          },
          "mediaUrls": {
            "description": "Carousel images (1-4), Postlia storage URLs",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "pinterestOptions": {
            "description": "Required for pinterest: board id etc.",
            "type": "object"
          },
          "platformContent": {
            "description": "Optional per-platform caption overrides, e.g. {\"linkedin\": \"longer text\"}",
            "type": "object"
          },
          "platforms": {
            "description": "e.g. linkedin, bluesky, instagram",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "queue": {
            "type": "boolean"
          },
          "scheduledAt": {
            "type": "string"
          },
          "tiktokOptions": {
            "description": "Required for tiktok: privacy/interaction settings",
            "type": "object"
          },
          "youtubeOptions": {
            "description": "Required for youtube: title etc.",
            "type": "object"
          }
        },
        "required": [
          "content",
          "platforms"
        ],
        "type": "object"
      },
      "name": "create_post"
    },
    {
      "description": "Delete a draft by id.",
      "inputSchema": {
        "properties": {
          "id": {
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "delete_draft"
    },
    {
      "description": "Post-outcome summary over the last N days: totals, published/partial/failed counts, per-platform volume, and recent platform errors.",
      "inputSchema": {
        "properties": {
          "days": {
            "description": "Window in days (1-90, default 30)",
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "get_analytics_summary"
    },
    {
      "description": "Delivery receipt for a post: per-platform outcome (published/failed/retrying/pending), platform post ids, and the platform's real error text. Use this to VERIFY a post actually went live instead of assuming. Accepts the id from create_post or from list_published_posts.",
      "inputSchema": {
        "properties": {
          "id": {
            "description": "Post id (scheduled or published)",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_post_receipt"
    },
    {
      "description": "The posting quota that will actually be enforced: tier, posts used, limit and remaining. Check this before composing a batch instead of discovering the limit via errors.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_posting_quota"
    },
    {
      "description": "The posting schedule (timezone + weekly slots) and the next open queue slots, i.e. when a create_post with queue=true would actually publish.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_queue_info"
    },
    {
      "description": "List the connected social accounts on this Postlia workspace.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_accounts"
    },
    {
      "description": "List saved drafts (not scheduled, cost no quota).",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_drafts"
    },
    {
      "description": "Recent post history with per-post outcome status and any platform errors.",
      "inputSchema": {
        "properties": {
          "limit": {
            "description": "Max posts to return (1-50, default 20)",
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "list_published_posts"
    },
    {
      "description": "List upcoming scheduled posts.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_scheduled_posts"
    },
    {
      "description": "Move a pending scheduled post to a new future time (ISO datetime).",
      "inputSchema": {
        "properties": {
          "id": {
            "type": "string"
          },
          "scheduledAt": {
            "type": "string"
          }
        },
        "required": [
          "id",
          "scheduledAt"
        ],
        "type": "object"
      },
      "name": "reschedule_post"
    },
    {
      "description": "Rewrite a pending scheduled post's text. Platform character limits are enforced.",
      "inputSchema": {
        "properties": {
          "content": {
            "type": "string"
          },
          "id": {
            "type": "string"
          }
        },
        "required": [
          "id",
          "content"
        ],
        "type": "object"
      },
      "name": "update_post_content"
    },
    {
      "description": "Pull an image or video from a public https URL into Postlia storage. Returns the storage URL and media type, ready for create_post. PNG, JPEG, WebP, GIF, MP4, WebM, MOV, max 25 MB.",
      "inputSchema": {
        "properties": {
          "url": {
            "description": "Public https URL of the file",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "upload_media"
    }
  ]
}

What the leaf hashes

{"body":"18cd6eb20717c318d059fb4c55bda01b500884a1647365c9aeff902688dee54b","id":544686,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793132094856152,"prev":null,"subject":"c95be155-cfca-4454-be7f-de8ac96820c2","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. 0x537260e8a67d2739666c7504d0e3ba5a2bbf270ebd8581f4049c3fd11062c7ba
2. 0xf69d49a43611448a921a62d0fc805bde90a11b650f94a1de63fdb43ab92cfe23
3. 0x264b2a9a669024908b508e3ce9245cae7cab4b559e921da9068a4e3894291a9f
4. 0x84fce0de73de84c9192f20398b81b5e0407b66f7d1c44a80d35ef94bc7aae15f
5. 0x4edc3bf12df7db1c32009c0e853b628c72058935d0cf1e7df918985a6f8d0c6b
6. 0x586963295d81409f30fedc9080bc03bf194290e293c86bed23911ac28a582c37
7. 0x802c410105073f1fcb8361ae6553785b3cd68c11afb1b02c41665e76a8d64670
8. 0xb46966611929b1e31e6985c2c1442ebf7d335a65850614ceca49203699de54fa
9. 0x8ebf9fddc167abcd091672be0b6782b3b3267ca10a4892c96c256f1d014b0583
10. 0xbbb9b83ab3dda0e6960215057b339878a58150356a599369c48d43028e63bbbd
11. 0xc937be26deed9e9728196f150649c70fb24a172a75061bc041b65fa5eb20a3ef
12. 0xf8587b476357dd9dd2bdcf36df59b8f5ada3a7d06a3872295a01a0dd6b9e36d1
13. 0x996f3d89f9508378f3c194c9828b500725dd599c52fd040349190982338d96f2
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4