Evidence row 1051818

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Every UK loyalty scheme CardPoints covers, ranked by what its usual earning rate gives back per £1: points per £1, what one point is worth, and the date each scheme's figures were read from its own terms.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {},
        "type": "object"
      },
      "name": "compare_loyalty_points_value"
    },
    {
      "description": "Which UK loyalty schemes CardPoints covers earn points at a named shop or brand, with the offers running there now and the date each was last checked.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "shop": {
            "description": "The shop or brand, e.g. \"Argos\", \"Esso\", \"Hotels.com\".",
            "maxLength": 80,
            "minLength": 2,
            "type": "string"
          }
        },
        "required": [
          "shop"
        ],
        "type": "object"
      },
      "name": "find_points_at_shop"
    },
    {
      "description": "One UK loyalty scheme CardPoints covers: what its points are worth, its usual earning rate and expiry rules, the bonus points offers running now and the always-on ways to earn, each with the date CardPoints last checked it at the brand's own site.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "scheme": {
            "description": "The scheme or the brand that runs it, e.g. \"Boots Advantage Card\", \"Nectar\", \"Clubcard\", \"Avios\".",
            "maxLength": 80,
            "minLength": 2,
            "type": "string"
          }
        },
        "required": [
          "scheme"
        ],
        "type": "object"
      },
      "name": "get_loyalty_scheme"
    }
  ]
}

What the leaf hashes

{"body":"32433a4bbe18e30185b6973a3c920ed0909f2d9b22c0fd59048aab4e4fd24b5a","id":1051818,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793301893580206,"prev":null,"subject":"ea38ef15-f3a3-4046-938f-4a23759012f2","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. 0xecdb22e22fa43808c2dd248bae4b380d10831e0a6f0995abe831a58f3e18819e
2. 0xd40006199e314de6eaac3d0a97d422aa7e70fc45a1a83ea726e99243843eae8a
3. 0x79d8caf302c8023c3033679ebc81cd3fd405d1f459e5ab6501bcdd3429354ebe
4. 0xfcaec7cef1310534716e397f209cf0150a4a82ab36d4213f624bffd8ec06b353
5. 0x3dc87e261083aa7d6973362c90f8d4b90e5c9cc09949b8d9021ab241b7815186
6. 0x4645862227509d35e1e70988e8d9363b0fc07a02f6d3a3945eb8fae699b70433
7. 0x789ba2a22b8fb0b029878720110b76b229df973963f2c5da36b79dffa05c4905
8. 0x3deb6c2390b849294bb2683cf3816020beba77fb2d3540a806d482eea86e7fba
9. 0x3c58421a991745d22cd61c0c595cd18d4a071721eb69c9ac331eef8483b0ca2a
10. 0x28e27074ea2fe366cee7d7e7a31355010f8c727adc02ef48fac2ecfbc2758f2d
11. 0x6422287a0754ba764d694334179e6b034a40c4f764f69738f4765bc81488056a
12. 0x156f22ba1687235d0261827bae6586f93e2a2840145d269c10cd2aaaa77859ab
13. 0xd859aa207a49a75c74466a67b0aea90b4b36aafb58c39ccec12a122ee264cece
14. 0xdd7eee8bdadd60ea2c845df144e254573e75dd4221ce0c344f92f184bcc69afd
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1