Evidence row 290780

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Search openly licensed images by keyword across Openverse, NASA, The Met, Art Institute of Chicago and Cleveland Museum of Art. Each result has the image and thumbnail URL, size, license name and URL, yes/no flags for commercial use, editing and required credit, and a ready attributionText/attributionHtml. Use when you need an image you are allowed to reuse. Up to 12 results.",
      "inputSchema": {
        "properties": {
          "license": {
            "default": "commercial",
            "description": "commercial = commercial use allowed (default); commercial-modify = commercial use and editing; no-attribution = CC0/public domain only; any = include non-commercial licenses",
            "enum": [
              "commercial",
              "commercial-modify",
              "no-attribution",
              "any"
            ],
            "type": "string"
          },
          "max_results": {
            "default": 6,
            "maximum": 12,
            "minimum": 1,
            "type": "integer"
          },
          "orientation": {
            "default": "any",
            "enum": [
              "any",
              "landscape",
              "portrait",
              "square"
            ],
            "type": "string"
          },
          "query": {
            "description": "What the image should show, e.g. \"lighthouse at night\"",
            "maxLength": 100,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_images"
    }
  ]
}

What the leaf hashes

{"body":"8cc4a4c8c2cd57a03a29bc31c8b1e6836488812af8f32f306091f7f0b1370318","id":290780,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793047550031889,"prev":null,"subject":"b7259ebd-ba43-4792-b59b-427319b83030","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. 0xecc309e49a8d0ff6eda73ceaeb200bba753730b9122956c7aa2833c530483c66
2. 0x7471d37f11e9f7da206c95fed6ae3598b309e258b4554eb90a707329af577f6f
3. 0x13c5c5e87a34ccf2a95a7f9f0608ad130cda315fca72a5f7ab42936a6d33d9d8
4. 0x904accc7c203ec9ee9939d0529be4f54f7f68bc8cbbaf9b92728d5adff9d2136
5. 0x8d2397f9d616b30b3f057efb477a2e2d227b8259f5f6f56b46c9573bd556e69c
6. 0xd998b83d1e143cb965cfb0fa2eff8c7031515ad339c60c045a95256da2e08c54
7. 0xaa117069db819922495770dae62e672b811be90ff767a0473e79d3bbe12fdb81
8. 0x61cae79649e2e450b57a0e35b9b52743c9f0a6b129c8b9501744668f6360fa8d
9. 0x6fcb07a579951913045f28631e521704a8c1446a794b8829c6567055bdd388bf
10. 0xbd0fe1f0b167ff665b9719ad8dc002f05cde40b88825cbbc513241eb8e47063c
11. 0x94e3a06f6e015a8e8a8a7e2c73991edf3f9ceb9ff83b85412d31c39f3e9bc8c1
12. 0x4bac6365a3676c613d57c80f4d4f617e583205074db24f3dec4d2ed4939a26e6
13. 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae