Evidence row 751573

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.magentlab.com/api/calc/who_sm"
    ]
  ],
  "name": "magent",
  "owner_address": "0x836be278f1739fb4308091cd1852f7971bc19ee2",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "paymentFlow": "upfront",
          "resourceUrl": "https://api.magentlab.com/api/calc/who_sm",
          "version": "2"
        },
        "maxTimeoutSeconds": 600,
        "network": "eip155:8453",
        "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
          "version": "2",
          "withdrawDelay": 86400
        },
        "maxTimeoutSeconds": 600,
        "network": "eip155:8453",
        "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
        "scheme": "batch-settlement"
      }
    ],
    "description": "WHO 2016 systemic mastocytosis (Valent 2016 Table 1). Met when major infiltrates",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "associated_myeloid_neoplasm": false,
              "atypical_or_spindle": false,
              "cd2_or_cd25": false,
              "kit_codon_816": true,
              "major_infiltrates": true,
              "tryptase_gt_20": false
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-28T05:05:07.501Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-28T05:05:07.355Z"
    },
    "resource": "https://api.magentlab.com/api/calc/who_sm",
    "serviceName": "magent",
    "tags": [
      "who-2016",
      "mastocytosis",
      "hematology",
      "kit",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "WHO 2016 systemic mastocytosis (Valent 2016 Table 1). Met when major infiltrates"
}

What the leaf hashes

{"body":"522cc3965d7b4317dae3b2c3e64fb5ce3a2b6ed1a881e92a7d31d25dc747ed48","id":751573,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178760053306,"prev":null,"subject":"x402_bazaar:https://api.magentlab.com/api/calc/who_sm","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x76201208006cd31cfbadd2b01cb325f6f08a5dd99c2d3ba7328bed79eb91d54f
2. 0x2f80c28442e1c277325c3b9cc4bd25cd24b07614dfea98f6676729dd475b305b
3. 0xd37d09b632569169f02914f362b33fdba622d325723c3f883b687a5a2b645eb5
4. 0xb8a925e866c259fde72175b5b90aa5d5bd7792475920eeaa45aad0ea1830984b
5. 0x75c8e5bcc6244085b17404e4a4aabda6103bdb0028df5d61521d1637d2bbd561
6. 0x33dca568fae3df34127a347582b275eabfb3f0d0fba57a039768fe07fc5752d4
7. 0xd3296ca28ca7393d069f8ae266f612462294a5596a1df9a06d97196b240533e6
8. 0x445a7a429d7afb9ec69fb8e8a967169e82a3a804ae834038b4d040923ee1c73e
9. 0xdedcdcf6c273d9b543413a1f34a7fd54c21725592040d83868c2dd071a05c80f
10. 0xbc37339f1d4bff78bd5c3f48093d1ca3086e5a454e6b5e0554a3025f8cb05f9e
11. 0x191722a60852585b0822c56f76de8e5645e858684b96888ba9c853cf22ce4b29
12. 0xdb715aef70540cf2462c6d23ed65a7b4f80c4d46060d218b3f284831fef0fc9e
13. 0x95d7bc27dc9ea43e607251bd7e1cdfa9e00b59b71051b5db78fe06bf25becc5b
14. 0x40581185279a8bf075dca3a4c3a5648ec6f62098ba7402cbc097d5cc707e0840
15. 0xab4e84d781dccd579dcf5c47a356a4a2e6cac58a2aefdf3543a3fa15238fa4db
16. 0x74cf00e07b52415c2184cf20be69d195ed2725497a6892c2f3e449497c17d0ec
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae