Evidence row 571693

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Free-subset Re-Rate (RR) Score projection for one junior precious-metals miner: overall 9-factor score, the nine factor scores, DQS, stage, jurisdiction, and 2028/2029 RR projections. Analytical, not a recommendation.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "ticker": {
            "description": "Ticker symbol, exchange suffix kept where applicable (e.g. ARIS, EXK, AYA.TO, CYL.AX).",
            "type": "string"
          }
        },
        "required": [
          "ticker"
        ],
        "type": "object"
      },
      "name": "get_rr_score"
    },
    {
      "description": "Structured screen over the free-subset feed: optionally filter by metal (Au/Ag), jurisdiction (country), and stage (DEVELOPER/PRODUCER/HYBRID/EXPLORER/RESOURCE_ACQ), optionally sort by 2028 RR Score descending, and cap with limit. An analytical ranked classification — never a 'best stock' list.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "jurisdiction": {
            "description": "Operating country of the primary asset, matched exactly (case-insensitive), e.g. 'Canada', 'Mexico', 'Australia'. Countries only — a state or province such as 'Nevada' matches nothing; use 'USA'.",
            "type": "string"
          },
          "limit": {
            "description": "Max rows to return.",
            "exclusiveMinimum": 0,
            "type": "integer"
          },
          "metal": {
            "description": "Primary metal: Au/gold or Ag/silver.",
            "type": "string"
          },
          "sortByRr": {
            "description": "Sort by rr_score_2028 descending when true.",
            "type": "boolean"
          },
          "stage": {
            "description": "Stage/type_code substring, e.g. DEVELOPER, PRODUCER, HYBRID.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_screen_data"
    },
    {
      "description": "Every ticker symbol in the Gold Silver Analytics free-subset coverage universe (~279), plus the count. Symbols only — no scores.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_tickers"
    },
    {
      "description": "Fuzzy lookup: returns free-subset rows whose ticker symbol or company name contains the query (case-insensitive). For structured filter/rank, use get_screen_data instead.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "query": {
            "description": "Substring to match against ticker symbol or company name.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_tickers"
    }
  ]
}

What the leaf hashes

{"body":"92fc7f43ab9883e6d4c290ebed063166819654b3fc4287e6c1bf8b27a0ee8ce8","id":571693,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140371442053,"prev":null,"subject":"f50bf8cd-7b9c-42f0-9ea5-a7f9f1286234","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. 0x159a44797479ccbf2f901b129bb3e2107dfbb0fd30c0f20157950dbca59838d9
2. 0x78199daad018501d465159055ada3b98729e6e84bb3c4ae2753c13ab60eb56c8
3. 0x47404f1fdc9078143356e4cf9726ee8386ce26448c964c8e1541a49c21668ab2
4. 0x4e09c683ca21feb4c894008b7b29b87b2158684e674befedb7dc3807b3859ec9
5. 0x025d78cc85853a5c5f86549147b3d3b31bf8bd1d19887ca1f6a7c37f12aa5b1b
6. 0xe0fdc9bbc8febbf84f3a92ca9bcfff3613661deda09c7304ccaef12c6b0ae3c9
7. 0x737d4674e805b4b28cdc2e790497cba43dd7c3202363a0429c304154157186be
8. 0xff6793160e2f558b15f6ceaccd698b132b891e9345dc674c0c4f933364d0369c
9. 0x0a41e59a78b6f5426a120434ba561961102620736104661c77a25fa7ca0a02e6
10. 0x4a82788793fd3e02fe30ac42a0dd9efc4136c766f40fe1d668457775063fde1a
11. 0x2411fd1200bf89d8ff055caa7169e7277146641f1fe49ae06d70e19279a209e0
12. 0x62c7e7967ec467dcf70ca9a9f01831f05b5b4a07c07491cc03340b1479c7ea31
13. 0xfae7ed2d06f4d6ced86c104b6381c26d795f82be10e6314b53b0524bd75a292f
14. 0x52c5141da0cbee106a30396ee7d1360fd22f55084aca2ca436c8007892775670
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4