Evidence row 2068157

What was observed

{
  "count": 16,
  "tools": [
    {
      "description": "Entire corpus as one JSON document. Redistribution requires a Commercial license. (paid: $10 USDC via x402, or 500 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "bulk_export"
    },
    {
      "description": "Side-by-side snapshot of 2-5 peptides. (free daily allowance, then paid: $0.05 USDC via x402, or 3 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slugs": {
            "description": "Comma-separated slugs",
            "type": "string"
          }
        },
        "required": [
          "slugs"
        ],
        "type": "object"
      },
      "name": "compare_peptides"
    },
    {
      "description": "FDA FAERS adverse-event signal: total and serious report counts and top MedDRA reactions with report counts (spontaneous reports, not incidence). (free daily allowance, then paid: $0.05 USDC via x402, or 3 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_adverse_events"
    },
    {
      "description": "Approval timeline: Drugs@FDA applications with original approval dates and sponsors, DailyMed label set IDs, ChEMBL max phase, first-approval year and curated mechanism of action. (free daily allowance, then paid: $0.02 USDC via x402, or 1 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_approvals"
    },
    {
      "description": "Source citations for a peptide. (free daily allowance, then paid: $0.02 USDC via x402, or 1 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_citations"
    },
    {
      "description": "Everything for one peptide in one call: snapshot, identifier crosswalk, approvals, trial landscape, FAERS signal, PubMed literature counts, citations, studies and safety. (free daily allowance, then paid: $0.05 USDC via x402, or 3 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_dossier"
    },
    {
      "description": "Identifier crosswalk: UNII, CAS, PubChem CID, InChIKey, molecular formula, ChEMBL ID, INN, ATC codes, with source URLs and a UNII cross-check against openFDA. (free daily allowance, then paid: $0.02 USDC via x402, or 1 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_identifiers"
    },
    {
      "description": "Full peptide snapshot: identifiers, mechanism, indications, at-a-glance. (free daily allowance, then paid: $0.02 USDC via x402, or 1 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug or alias",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_peptide"
    },
    {
      "description": "Answer-first summary: key takeaway, status, evidence grade, citation count and page URL. (free)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug or alias",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_peptide_summary"
    },
    {
      "description": "Regulatory status, UNII, CAS. (free daily allowance, then paid: $0.02 USDC via x402, or 1 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_regulatory"
    },
    {
      "description": "Safety, toxicology and pharmacokinetics notes. (free daily allowance, then paid: $0.02 USDC via x402, or 1 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_safety"
    },
    {
      "description": "Live ClinicalTrials.gov registry landscape: total studies, counts by phase and by status, active-study count, and the most recent registered trials with NCT links. (free daily allowance, then paid: $0.02 USDC via x402, or 1 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_trial_landscape"
    },
    {
      "description": "Clinical/preclinical study rows and published regimen. (free daily allowance, then paid: $0.02 USDC via x402, or 1 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Peptide slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_trials"
    },
    {
      "description": "Body systems with peptide counts. (free)",
      "inputSchema": {
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "list_body_systems"
    },
    {
      "description": "List and filter peptides (slim fields, cursor pagination). (free)",
      "inputSchema": {
        "properties": {
          "body_system": {
            "description": "Body system id (see /api/v1/body-systems)",
            "type": "string"
          },
          "cursor": {
            "description": "Opaque cursor from next_cursor",
            "type": "string"
          },
          "limit": {
            "description": "1-100, default 25",
            "type": "string"
          },
          "q": {
            "description": "Name or alias contains",
            "type": "string"
          },
          "status": {
            "description": "Status code, e.g. fda-approved",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "list_peptides"
    },
    {
      "description": "Plain-English question → cited passages quoted from our monographs (extractive, no generation). (free daily allowance, then paid: $0.05 USDC via x402, or 3 credit(s) with X-API-KEY)",
      "inputSchema": {
        "properties": {
          "limit": {
            "description": "1-10",
            "type": "string"
          },
          "q": {
            "description": "Question",
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "search"
    }
  ]
}

What the leaf hashes

{"body":"274db0fb2b3c5ad892f103206a32e0a435f3973095caf25392334674636efbfd","id":2068157,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793598076831731,"prev":null,"subject":"6c2a6765-917d-45bb-8986-0b16d2afeaa0","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x68c947f3d0429213511d2bae9921955773a8d64476ec1fed19a0ad714173eece
2. 0xbdb4bcd1d303490c859cfee21bdeda961938de231836eb6450e904e8cf7c807a
3. 0x1d423caf95889ffbe4dc57db4ed154cac14f86cab1ebafc79b0bb78ce55906e5
4. 0x4486bfbe9138f150ecf436996271a84ad11a40817e49c18d4986921ea291062a
5. 0x6fd23fe6e8b624b75c036de47598eb24d46328d497671e967a754707c5c07539
6. 0x2f7a3861970426966434001929e3652ad18d4b7a150cef11e6bd1ce96e3ef6de
7. 0x80a35b57ce869e024014593db83d53f8a970190626a1b32e78d900179d84db4b
8. 0x9c7d2184f9468c5a7ce85c205fcaf605fd1613701fb70faae5ca152f5869470f
9. 0x487261ce319ff41da73ed701395a816cb20607ca509e320fd16eb9302715df0e
10. 0x57698899daf78e6d00d4c670a3f86e5e6995190d78a0108459b8eb9614cbebe2
11. 0x7db17b10f1972af41b5bfa71c5cb6c8e5c535c21328ce6aede33af928914722a
12. 0x4c6bfda049005dc169b297132e952f3d0d63a895211bdcf40f0eb667e2aabcdf
13. 0xefbd3ce8cc9536c9dc7555a61f73905cdeb76d020d347be26b68924fa6aacbfa
14. 0x197bc18a6b8126dd9b52133f001dca55646ad9292aafa98222498ec1746809a4
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af