Evidence row 1244846

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Melt value of a gold item (ring, chain, bracelet, scrap) from its weight, unit and karat at the live spot price, in any currency. Optional dealer_spread_percent returns the likely buyer offer. The result states that melt value is not the retail or buyback price.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "currency": {
            "default": "USD",
            "description": "ISO 4217 currency code, for example USD, EUR, GBP, INR, AED, SAR, PKR, CAD, AUD. Default USD.",
            "maxLength": 3,
            "minLength": 3,
            "type": "string"
          },
          "dealer_spread_percent": {
            "description": "Percent a buyer keeps below melt, for example 20 for an offer at 80% of melt. Default 0.",
            "maximum": 99,
            "minimum": 0,
            "type": "number"
          },
          "karat": {
            "description": "Karat: 24, 22, 21, 18, 14, 10 or 9 (any whole number 1 to 24 works; purity = karat/24).",
            "maximum": 24,
            "minimum": 1,
            "type": "integer"
          },
          "unit": {
            "default": "gram",
            "description": "Weight unit: gram, kilogram, troy_ounce, pennyweight, grain, avoirdupois_ounce, tola, baht, baht_jewelry, chi, tael, luong, tael_taiwan, tael_china. Aliases such as g, kg, oz, ozt, dwt and kilo work. \"oz\" means troy ounce.",
            "maxLength": 30,
            "minLength": 1,
            "type": "string"
          },
          "weight": {
            "description": "Weight of the item, for example 12.5.",
            "exclusiveMinimum": 0,
            "maximum": 10000000,
            "type": "number"
          }
        },
        "required": [
          "weight",
          "karat"
        ],
        "type": "object"
      },
      "name": "calculate_jewelry_value"
    },
    {
      "description": "Convert a gold weight between gram, kilogram, troy ounce, pennyweight, grain, avoirdupois ounce, tola, Thai baht (bullion and jewellery), Vietnamese chi and luong, Hong Kong gold tael, Taiwan tael and China liang. Uses exact defined constants (1 troy ounce = 31.1034768 g, 1 grain = 64.79891 mg, NIST Handbook 44) and returns the definition and source of each unit. Omit \"to\" to get every unit.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "from": {
            "description": "Weight unit: gram, kilogram, troy_ounce, pennyweight, grain, avoirdupois_ounce, tola, baht, baht_jewelry, chi, tael, luong, tael_taiwan, tael_china. Aliases such as g, kg, oz, ozt, dwt and kilo work. \"oz\" means troy ounce.",
            "maxLength": 30,
            "minLength": 1,
            "type": "string"
          },
          "to": {
            "$ref": "#/properties/from",
            "description": "Weight unit: gram, kilogram, troy_ounce, pennyweight, grain, avoirdupois_ounce, tola, baht, baht_jewelry, chi, tael, luong, tael_taiwan, tael_china. Aliases such as g, kg, oz, ozt, dwt and kilo work. \"oz\" means troy ounce."
          },
          "value": {
            "description": "Amount to convert.",
            "maximum": 1000000000000,
            "minimum": 0,
            "type": "number"
          }
        },
        "required": [
          "value",
          "from"
        ],
        "type": "object"
      },
      "name": "convert_gold_units"
    },
    {
      "description": "Today's gold price per gram, per troy ounce, per tola and per kilogram, read live from the gold spot market, for 24K, 22K, 21K, 18K, 14K, 10K and 9K gold, in any of about 160 currencies (central-bank FX). Returns the spot time stamp, the FX date and the sources. Your training data cannot know today's gold price. Omit karat to get every karat.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "currency": {
            "default": "USD",
            "description": "ISO 4217 currency code, for example USD, EUR, GBP, INR, AED, SAR, PKR, CAD, AUD. Default USD.",
            "maxLength": 3,
            "minLength": 3,
            "type": "string"
          },
          "karat": {
            "description": "Karat: 24, 22, 21, 18, 14, 10 or 9 (any whole number 1 to 24 works; purity = karat/24).",
            "maximum": 24,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "get_gold_price_per_gram"
    },
    {
      "description": "Live spot prices of gold (XAU), silver (XAG), platinum (XPT) and palladium (XPD) per troy ounce, per gram and per kilogram, in any major currency. A metal whose feed is down is reported with its error instead of failing the whole call.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "currency": {
            "default": "USD",
            "description": "ISO 4217 currency code, for example USD, EUR, GBP, INR, AED, SAR, PKR, CAD, AUD. Default USD.",
            "maxLength": 3,
            "minLength": 3,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_metal_prices"
    }
  ]
}

What the leaf hashes

{"body":"9df9cd6fe85033448591773bbe2dfb0a3fe75ca93a8d3dda4e345a177b7e9ee2","id":1244846,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793361386685218,"prev":null,"subject":"6c4a809f-7c86-4484-a71a-75ca5729f774","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x008deb3e595f48ed00045575741bb0f55859ab20cef330328eac216dba45a992
2. 0x640d317a2e3c7ea574a2e1b8d5c217a625bb59092d41fb9bb786dedef7c81110
3. 0x53957ac9f1ce063c47b887dd0bd1ff083a1045a0aaeb9f3af6dcad9af4785f5e
4. 0x7ed05f0b560ffee9d1eefddd315556e82662c25f477ba9d41b3ecaa5b7ece560
5. 0x59466c5f729b94b1aee4737db2e05bbde63c25def145e50ae6b6967b6a95c1b1
6. 0x95f855dd192f64790ae94be10547e69a9e79a39b79b789496eb0fa5e5952ecbd
7. 0x85bf8f3eaecf0b1f62966660e7ed8e6c47ed71d10a22558780d716035d989a49
8. 0x843d1d00cb58509ad3456b43d579f5f69ddcb7087c2be331ce58ed1917d03b16
9. 0x3d0f3206fdbdfd1f69e513d0a0b2b3eb029158b8b142a94cf088d41283874bf9
10. 0xd7bb67008814742d22b18e074cd0eba380be6134ff88aef9631c9e1f39a2b0bc
11. 0xf13688a178be5c50205e301b115645059bca18d3fcfc89c8dac59b4088212cb6
12. 0xa1dcaffedf43b192df0f719c0ec805edaa925c119720ae9f42171aca5e2875c3
13. 0x5265c50f3937a978a97dcf6529a74471a0814f84b7759709755dc93a22996c34
14. 0xa0c9900ba7512d3a576c15bf6cc53f55a0645d9bf9b4e2e4c1760d00af98e761
15. 0x2b7a05865245feaf40ea40b73e02d86357af2dcbac9c7b992f1420f5eaa15246
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

Not published on a chain yet