Evidence row 266659

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Read stored profile information and follower/following counts. Counts may have a different observation time than lists. No online collection.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "username": {
            "description": "Instagram username, optionally prefixed with @.",
            "maxLength": 31,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "username"
        ],
        "type": "object"
      },
      "name": "get_account"
    },
    {
      "description": "Read detected changes in your accessible tracking history, default last seven calendar days UTC. detectedAt is detection time, not exact Instagram action time. For the next page send username and cursor; the cursor keeps the list, dates and timezone.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "cursor": {
            "description": "meta.nextCursor from the previous page of this same tool and account.",
            "maxLength": 8192,
            "type": "string"
          },
          "from": {
            "format": "date",
            "type": "string"
          },
          "limit": {
            "default": 50,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "list": {
            "default": "followers",
            "enum": [
              "followers",
              "following"
            ],
            "type": "string"
          },
          "timezone": {
            "default": "UTC",
            "type": "string"
          },
          "to": {
            "format": "date",
            "type": "string"
          },
          "username": {
            "description": "Instagram username, optionally prefixed with @.",
            "maxLength": 31,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "username"
        ],
        "type": "object"
      },
      "name": "get_account_changes"
    },
    {
      "description": "Read a page of the most recent accessible follower snapshot, or permitted public query cache. State its asOf and partial coverage. Never collects automatically.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "cursor": {
            "description": "meta.nextCursor from the previous page of this same tool and account.",
            "maxLength": 8192,
            "type": "string"
          },
          "limit": {
            "default": 50,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "username": {
            "description": "Instagram username, optionally prefixed with @.",
            "maxLength": 31,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "username"
        ],
        "type": "object"
      },
      "name": "list_followers"
    },
    {
      "description": "Read a page of the most recent accessible following snapshot, or permitted public query cache. State its asOf and partial coverage. Never collects automatically.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "cursor": {
            "description": "meta.nextCursor from the previous page of this same tool and account.",
            "maxLength": 8192,
            "type": "string"
          },
          "limit": {
            "default": 50,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "username": {
            "description": "Instagram username, optionally prefixed with @.",
            "maxLength": 31,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "username"
        ],
        "type": "object"
      },
      "name": "list_following"
    },
    {
      "description": "List your tracked accounts with profile counts and snapshot times. Reads stored data without collection charges.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "cursor": {
            "description": "meta.nextCursor from the previous page of this same tool and account.",
            "maxLength": 8192,
            "type": "string"
          },
          "includeArchived": {
            "default": false,
            "type": "boolean"
          },
          "limit": {
            "default": 50,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "list_tracking"
    },
    {
      "description": "Explicit online query of a public profile or ONE page of followers/following (one source page, usually 25 people). May consume credits: a first list page needs maxCredits of at least 2 (profile + page), a next page 1. Require user authorization for this target, type and maxCredits. Generate and keep idempotencyKey before the first attempt; reuse it with identical arguments when restoring. Never automatically fetch all pages or increase budget.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "cursor": {
            "maxLength": 8192,
            "type": "string"
          },
          "idempotencyKey": {
            "pattern": "^[A-Za-z0-9_.:-]{8,200}$",
            "type": "string"
          },
          "maxCredits": {
            "maximum": 1000,
            "minimum": 1,
            "type": "integer"
          },
          "type": {
            "enum": [
              "profile",
              "followers",
              "following"
            ],
            "type": "string"
          },
          "username": {
            "description": "Instagram username, optionally prefixed with @.",
            "maxLength": 31,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "username",
          "type",
          "maxCredits",
          "idempotencyKey"
        ],
        "type": "object"
      },
      "name": "query_public_account"
    }
  ]
}

What the leaf hashes

{"body":"106c849b3e424423c1d48e4ccc3ffcb0c3cc5eb050f49dff4a185bcac107c644","id":266659,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793035472026201,"prev":null,"subject":"54a006ca-d5a5-40e7-8e02-af6c07e006c0","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. 0xd1261aafb9e55ab5ac445eeaf5e2fe7953d79723365e17d57ae1cd066323eaa9
2. 0xe6a69977a9c614d23e9ff4df5ce17aea139b9e739ba97daf35446c48861e2eb5
3. 0x9b83019ed09e95524335e7cdc1653adb628f48762f1d22794b5ad979d5b9d58f
4. 0x809a22aba2f7bb7ebe2c4a7816a1ad555ca4dd3bb1ede55abfc25201140a9e91
5. 0x8dddfc3a08b9a568f6a198c78db1d51490d45f4a9e40a6831f751a8e42e69574
6. 0xbbf9d8bebaf1a35d6b4781d297ac021a33e05dccbb23b1aeb015a11851402403
7. 0xdeb50140eb683c28857b88b5a592898c17448c8d6992b647011af0010b7a6288
8. 0x89656905a6e3f3d1603f15a9e9f3e2c7c68f5a48c4004dcb538034c65f9c6539
9. 0x666fc9b26121779efeffcfa03cdf6524c841116130d8cbd786aab93904cca6fb
10. 0xdefcd4fc2ebdfaa82bec33833639fbb6712ab7a9bb3beafebc53c8b103648d9a
11. 0xcbb746ffeda31ff1f1b0d9f74705fed23a3c2abac5d325d65e8e867a7b5e6307
12. 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae