Evidence row 1002310

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Calls GET /v1/index on the Receipts API. Free. Returns row ids and UTC dates (no row content), the row count, the first and last dates, and the list of dates that have rows. Use start and limit to page through row ids. Row content is sold per call through x402 and is not returned here.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "limit": {
            "description": "Rows per page, 1 to 500. The API default applies when omitted.",
            "maximum": 500,
            "minimum": 1,
            "type": "integer"
          },
          "start": {
            "description": "First row id of the page. Default 1.",
            "maximum": 9007199254740991,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "receipts_index"
    },
    {
      "description": "Reads GET /.well-known/x402 (and /v1/manifest for the price text) on the Receipts API and returns the paid endpoints with their prices in USDC. Free to call. It never pays and never signs anything. Paying is done by an x402 client against the listed route.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "receipts_pricing"
    },
    {
      "description": "Calls GET /v1/sample on the Receipts API. Free. Returns one real record row labeled as a sample, with its row id, the paid route and price for that row, and the row as fields and as CSV. It takes no parameters and is not a purchase.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "receipts_sample"
    }
  ]
}

What the leaf hashes

{"body":"d843c3bdd039a280b2ee3dec0503868476f65926ecc86c9e95d59e5069d4903b","id":1002310,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793255812603760,"prev":null,"subject":"8805fe25-db44-49ae-ad90-4598a63f8d5b","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. 0xa865b241801111116acd9d64442d6d4a9ae5dda559e0a17322d61cbb99fc3720
2. 0xd5a1189704f69a9930eb9e70a4239e50bcb572b1a60ed89ae9c17b3c76f7af23
3. 0x4ae623ff81a0c300bdb14118596f4adc4dc9da6be8c02d8e19de853684ff9f28
4. 0xd7357994fb13a3056dcb74526677799d9152d677877fbbd7b460087afdc20b8d
5. 0x3c69b9ba7a1a7f0a709a95a9f1427cc0555b5a8c1ae19beab028a4a026b6e315
6. 0x7bd16483969f011ffc024465319de9e7b2717eb9d06da0f7d1c6f30a9fef6b1f
7. 0xc0347f316ff4f583827c5c6efe4f8b5307eb64e92586039a692605915c5f698a
8. 0xdf186442193273da392323a13cf9df62dfe3cf20fb4aca5bb832e62e7dad8aaa
9. 0x1bfca0888fbdba318bfb37b02ab971edb4165a5eeefcbff6501956c831fd1480
10. 0xc76a05f5516c6106e47b533b6c13ecc0680cfd6f4c15fe64e2b47c8c4417d29e
11. 0x7e5c0ee6f1f072e624f92f7daa121fd8ba1480197a1268e3a2348b4939d726d1
12. 0x0bd8369ed18a9c115daccfeb194dc746b17c8906cda400205f3f2ae75ef9ae43
13. 0x94e478acbc2c3295d80ec724aefbece47c88aacf0c52e04d39a48da5b85a8925
14. 0x391d7d4dd95ff3f26ed046f59cb7617fe53d7bb32216fddedcb614635f3079dc
15. 0x4a1f9fe26bf92c291485b5fb33b95d1917a994e417ac0526ccef55ede0a90a4c
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1