Evidence row 3405407

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "UK bank holidays (gov.uk). With no year, returns the upcoming ones, soonest first, plus the next holiday. Pass a year for that year in full. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "division": {
            "description": "england-and-wales|scotland|northern-ireland",
            "type": "string"
          },
          "year": {
            "description": "YYYY",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "bank_holidays"
    },
    {
      "description": "Current GB grid carbon intensity, nationally or for a postcode region, with generation mix. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "postcode": {
            "description": "string",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "carbon_intensity"
    },
    {
      "description": "Street-level crime within about a mile of a point or postcode for a month (data.police.uk), counts by category and a sample. (cost: 2 credits)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "latitude": {
            "description": "number",
            "type": [
              "number",
              "string"
            ]
          },
          "longitude": {
            "description": "number",
            "type": [
              "number",
              "string"
            ]
          },
          "month": {
            "description": "YYYY-MM",
            "type": "string"
          },
          "postcode": {
            "description": "string",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "crime_nearby"
    },
    {
      "description": "Live Environment Agency flood warnings and alerts, optionally by county. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "county": {
            "description": "string",
            "type": "string"
          },
          "limit": {
            "description": "number",
            "type": [
              "number",
              "string"
            ]
          },
          "minSeverity": {
            "description": "number 1-4",
            "type": [
              "number",
              "string"
            ]
          }
        },
        "type": "object"
      },
      "name": "flood_warnings"
    },
    {
      "description": "Postcode to coordinates, region, local authority, ward, constituency, LSOA/MSOA and ONS codes. (cost: 1 credit)",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "postcode": {
            "description": "string, required",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "postcode_lookup"
    }
  ]
}

What the leaf hashes

{"body":"ec8d1e26563fdb1c91930a9c36998a555b809c60538b86396a075cc08f26c593","id":3405407,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793883670724049,"prev":null,"subject":"74b88748-e89e-4998-b408-1847e6a4308f","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x6adaa56c8d08dccb67d4de84f6fb6f4fbc0393b87f0124d8e62b6a079d34cef6
2. 0xe8fe27a7f3290c8d0448abdffb16bd60728b2f03d926d93fe262313184354fa1
3. 0xb37550cada290ef7551cd637de479395f112a5aae047ff553b10a1851fd85001
4. 0xf731921d90b21934128af6b93cdf816df59d88185fb5745d1f15e1956d633e9c
5. 0x77fb91008df60a236414a9d2163b2a010975eb68d1543d2c18a21423f4bb9ac5
6. 0xcb214ebbbc74b305b6485d2cbd2e0d032d1568d4fb2b4e01778648f8e66d941f
7. 0x84a08152a9b4ddfbf35fcd962355caa772f2a8b76a8f6998acee827767ea1c7f
8. 0xd22074fb3755ee706b6d7a27279ebb92f262a043ece6bb2480272393b190b86b
9. 0x56d7d4d1e2ea909b70334137555d89f1ad0a33f32748ef7438547c173e3909fb
10. 0xfbcf708e4651d418d73cecc915f721ff6e3219da2180958cc4bb372fe939aeca
11. 0xf50eaa3a3a8b02fe262f548b48511cd79216f4d07d22107dd988b8a91705fb90
12. 0x242979d3b4f42c964b5c93293b160e9e3bd71229ea53661ef92afc3e35f3d87a
13. 0x523b76385ea12ce392760e7955afa958e200c7fa35737d0c8c06a5a10e7d1189
14. 0x9f2be961a8419237b98b1b980a6b1775efdf14bb1bcfe62d18edeff510e87dcc
15. 0xb5ea076f0a9490f58daaa0cbe915aa5dfdfe460bfc500eaea09b59c1d753d699
16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94