Evidence row 305721

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Get drug/compound data from PubChem (NIH). Returns CID, IUPAC name, molecular formula, molecular weight, canonical SMILES, InChI, description, and synonyms.",
      "inputSchema": {
        "properties": {
          "cid": {
            "description": "PubChem CID number (alternative to name)",
            "type": "string"
          },
          "name": {
            "default": "aspirin",
            "description": "Drug or compound name (e.g. aspirin, caffeine, ibuprofen)",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_compound_data"
    },
    {
      "description": "Get drug label, safety info, adverse events, or recall data from OpenFDA. Returns brand names, generic name, indications, warnings, dosage, interactions.",
      "inputSchema": {
        "properties": {
          "name": {
            "default": "metformin",
            "description": "Drug name (e.g. metformin, aspirin, lisinopril)",
            "type": "string"
          },
          "type": {
            "default": "label",
            "description": "label (default), adverse_events, or recalls",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_drug_info"
    },
    {
      "description": "Get drug target and bioactivity data from ChEMBL (EMBL-EBI). Returns ChEMBL ID, max clinical phase, molecule type, molecular properties, and indication class.",
      "inputSchema": {
        "properties": {
          "chembl_id": {
            "description": "ChEMBL ID for activity lookup (e.g. CHEMBL521)",
            "type": "string"
          },
          "name": {
            "default": "ibuprofen",
            "description": "Drug or compound name (e.g. ibuprofen, atorvastatin)",
            "type": "string"
          },
          "type": {
            "default": "molecule",
            "description": "molecule (default) or activity",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_drug_targets"
    }
  ]
}

What the leaf hashes

{"body":"d4e627820878e57ba833bb9a4c4656aeed924bf64ae97d1611ab203f31d61d1d","id":305721,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056601418650,"prev":null,"subject":"19f5d455-de89-404b-b7a0-64383177f893","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. 0x7801ccd00e14528a3b7757652c796a2dbd3840335ceb2b061290c3b5f1ab6240
2. 0xbed58f022376046e571cd131e33c19ae86b9ac2960c87e1a69368fbe0d34dd33
3. 0xa87d482cc66040003462e97a3481605cd3b399163a80077bffbd9dad8adbe832
4. 0x2f373b7d61ed7e61afdd99ba5abfaa77cf8de096deef4037e526fdcaf932020e
5. 0x7300f8c303bb7eeabd1d15a0b0e54d2e4050a138e51a2f66bdacfa873fb75978
6. 0xda7cdba8f06b35725df298c9d117d7a6f7cb12b6be61ba4b9daa9c19022a774b
7. 0x414aad210fde37a1bd8b38bbce8bffa0ca0b27187038875826c9fd7825ecc1a7
8. 0x7102fdf264cb2d9dc369e9da50c914762e1ba7632911c32bfefd0fc964c33121
9. 0xe7a567a06402dbc17c02e19cb76a342a6e2e155568ea808558236b065d1478f7
10. 0x7289d13e9c5129911e8dd0a94c4ccdb3088dca627d8df693e7d7c3b58bbbd576
11. 0x8fe7ebf89d10ac2e699de3f80f5dda3e72eef4ae079794ab7d1035929ad723cc
12. 0x8fdfac9874f184de58b63efbdab0fc27674958d741146d02f58b04d3c559cabf
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae