Evidence row 572316

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Get a ready-to-use citation for a World Innovation paper (APA-style text and BibTeX).",
      "inputSchema": {
        "properties": {
          "slug": {
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "cite_paper"
    },
    {
      "description": "Get one World Innovation paper: title, author, abstract, keywords, publish date, SHA-256 fingerprint and blockchain proof.",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Paper slug from search_papers",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_paper"
    },
    {
      "description": "Search published World Innovation research abstracts and white papers by topic or keyword. Returns titles, authors, short summaries and links.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 8,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Topic or keywords",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_papers"
    },
    {
      "description": "Check whether a SHA-256 fingerprint (or a paper slug) matches a World Innovation paper anchored on the Soneium blockchain, and return its on-chain timestamp. The proof shows the exact text existed at that time; it does not show the ideas are correct or peer reviewed.",
      "inputSchema": {
        "properties": {
          "sha256": {
            "type": "string"
          },
          "slug": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "verify_paper"
    }
  ]
}

What the leaf hashes

{"body":"ca7c330df24ac37559a25b958b285693b802d831aa4482d49d7c9312900fb80c","id":572316,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140671409054,"prev":null,"subject":"28393fe6-3bf1-4bf7-a728-dbb3d26e98ee","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. 0xbc584a899abb14e44b75503ed3866693ef44076c63d27dbc8e1fb2acd9bb4d59
2. 0x35be5889e32334c188a02f357cf57b1e7f240121c7106d855f04353975c94f95
3. 0x4f1813bebf61ad99e053c357abb70543223dfafb43cce8308606d8b8de28547d
4. 0x9c336c05eb96246a6e15a4bd3d4dc4bfc9e32309ccbfb4a3c7300795258f1bc4
5. 0xb06d5707e25e545aa5dfe08336fb0c76b083932c89850301a75ec433f80fbafe
6. 0xddd853e642d4ebfd5aaf20aa1d3c8ca7fc6e56b3d4b739d10282d5116d539a9e
7. 0x1205068a9e4b94c8050d7db9a18e8005a8b225f5b9056cd66e9b1b7baf68b237
8. 0x6d3ebb76c5e1982e59df4f9d3690d062d6b9ec9277e347e181ec94c246fc6f4b
9. 0x1694da0e79bf847bc6675065563fdb095528bdd65b8d7b19bea87d2b85aa648b
10. 0xceddd91198346d4e25e9587afd70730c8c05d560c735024fa28855d7b3e39561
11. 0xaf79bfeaa8b78c501b6b72d2abd133b4a8958ea976a4458f01d1f54590268c1e
12. 0x5942c2574ffacd0c039c3cd1147d5ab0b6d34e0278203065ce21c437ae2a392d
13. 0xa4f69e2cf941a3f318d70734b59401dd27010a6bdffb5c32a28304db650a6f0b
14. 0xa453d1738637a5c663802d07ce095aa340c80d53a4288ae277a72e265868ce4e
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4