Evidence row 264066

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Definitions of Recommendation Rate and Recommendation Inclusion Rate, the AI surface measured, refresh cadence, and links to the full methodology page.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_recommendation_rate_methodology"
    },
    {
      "description": "Look up a brand's AI Recommendation Rate: the percentage of buyer-intent questions where the brand is the #1 AI pick (not just mentioned), plus its Recommendation Inclusion Rate (appears anywhere in the answer). Returns the brand's public record URL and measured date for citation. Free, single-brand lookup only, rate-limited per Modern AI's published anti-scrape policy.",
      "inputSchema": {
        "properties": {
          "brand": {
            "description": "Brand name to look up, e.g. \"Brumate\"",
            "type": "string"
          }
        },
        "required": [
          "brand"
        ],
        "type": "object"
      },
      "name": "lookup_brand_recommendation_rate"
    }
  ]
}

What the leaf hashes

{"body":"86a7b0738e4b9b46b5c33947dde5a57cebdeb97ad7f0f6f0dbaabe5787429631","id":264066,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793033927219843,"prev":null,"subject":"44dd4c78-8e69-4c75-8ccf-af11e8d0a9c2","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. 0x12a7ebf7c45c70859e5b596e9af6bd14330f5ec4a012ae27da84676cef33f8c9
2. 0x71dfe4f8a1d74067b56a4e53448bd2d3a80fcad4e77e609c7e4893af1e76bb99
3. 0xfc4c6d24b49190dbbd6312e9c6b1ae426e0777e77d139abf37306d31563198d0
4. 0xeca996bafa32c0c9cd4905e49785c9aabba1ef8a79c5c64893125f120036e386
5. 0x58df5fbb1271776ddc5844ea3b6ec810999e3334345f482bfff103f8f9f7135d
6. 0x79b34e2a90867f758ef118416f03598fd540f2a1bd23b425ab94bb8347e4a19f
7. 0x31dcdb07f86a4252c97d6d3ed8c3f1e3a86217b02f8c7a348e6117b4d070378c
8. 0xd0e82f0d75509f3471410a64701b81fd391cad0936a04bd2bde8cff2548dc004
9. 0x31281cc241602f227d6ca5a2d91abb8f79aa5398081ede67e4cdddb5f6e7617e
10. 0x484fa7effc83120a0d44e655979cb6c3d8629711e39e46f2e4137a81a1d0af64
11. 0x502ad0a7c2d0bbc45ef3aea37a6ae457822535bcbd44272f1f9e8e4f7166c167
12. 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae