Evidence row 572366

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Return published SageChimp reviews for a book. Each review is flagged isArcReview when it came from an ARC/incentivized copy.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 10,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Title/author/ISBN if slug is unknown",
            "type": "string"
          },
          "slug": {
            "description": "SageChimp book slug",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_book_reviews"
    },
    {
      "description": "Return SageChimp catalog context and unpaid-vs-ARC verdict. Always includes catalog facts, series, comparable titles, and any unpaid reviews. A formal verdict requires 5 unpaid reviews; below that, hasEnoughData is false and the sample is still returned.",
      "inputSchema": {
        "properties": {
          "query": {
            "description": "Title/author/ISBN if slug is unknown",
            "type": "string"
          },
          "slug": {
            "description": "SageChimp book slug, e.g. dungeon-crawler-carl",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_book_verdict"
    },
    {
      "description": "Search the SageChimp catalog by title, author, slug, or ISBN. Use this first when the user names a book but you do not have a slug.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 8,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Title, author, slug, or ISBN",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_books"
    }
  ]
}

What the leaf hashes

{"body":"bc32b9ee93c4bd40ff635e36ba19df21259a95c5de1032cb34c34f13cfbef96f","id":572366,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140694869050,"prev":null,"subject":"07e1a83a-7a0a-4d25-8b6a-c8d20053b0f0","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x17464db25a19fdb6870559c29e13ca4b15faabe59e3047d2bcca07e43e8a5cea
2. 0x92d2b51c7c10a6bfcd242b6fedfc320a0a8d43da4a66a9c2bf1b06c2f18e013f
3. 0x20c8dfe1c1123a8c6097251abeead879eaa99ba98fe878c2c8c185b8f1d9e263
4. 0xf581c488505ceb86195a3eeca01ba9e410ab3af8eaadffe665c7f9914f340e29
5. 0x6b19db6cd610c5e480eaee74f76888ba4db66989bc17c66e225526be31edeafa
6. 0xa095c27670161acb5dd707958ff15c74506e73c3dc32346963daa4f5cb58d0cd
7. 0x6f6817e058c4e4adaf9e7c72757d4a329050a6d1dd41fabd7f3ba69a456a9ba2
8. 0x117449d700d06c1eba454efc673d96b628b1212b923ec723dce9d6a4a0e55969
9. 0x0df1fb44427357e58307d84a45e03c9e706b5fb01395347b3ee655f25e9ed366
10. 0x861995f66b2c7dda0fe888eaf41c09c8b0fb9e6b5ea3c1a3eea03360981ac42f
11. 0xf79d4220a9fc71105fb136100defea9d0ad81dbe57947e6220e673f633a3e805
12. 0x7afa806e5533c63e57a18fda23b38702b370e8b298a35edc0c1de641c8ffcaec
13. 0xca0b37bb3b043ccf0f24c50fccd9c2f22b7e5290df49886008fc2ff55380fdd1
14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4