Evidence row 1039993

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.magentlab.com/api/calc/em-mdm"
    ]
  ],
  "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/em-mdm",
          "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": "2023 emergency medical decision making from AMA CPT Table 1 as reprinted by ACEP",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "data": "low",
              "problems": "low",
              "risk": "low"
            },
            "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": "2026-10-29T09:53:38.17Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-29T09:53:38.072Z"
    },
    "resource": "https://api.magentlab.com/api/calc/em-mdm",
    "serviceName": "magent",
    "tags": [
      "mdm",
      "emergency",
      "acep",
      "e-m"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "2023 emergency medical decision making from AMA CPT Table 1 as reprinted by ACEP"
}

What the leaf hashes

{"body":"ddf64cf30e18b59cefecfce3fd0aa4af0e2ed79129d6538681a15eba6985cbb9","id":1039993,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298478745464,"prev":null,"subject":"x402_bazaar:https://api.magentlab.com/api/calc/em-mdm","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x6ab9d5c261332b9b460bc1b0dc84e2862a036858315209e883c5ac7d143f9a58
2. 0x46931773f3500920c91f4dd8c7712400762dee54484aaa3589a174425241f18d
3. 0x7fd4a6c6c2abe8535f1a9e0dfd67ec8c9b2b039666fea25a96620994ebb6be34
4. 0xee6b1b9b1912171463fb60026e20aacb68e1b7d74a8284fed1526e6d3737df7f
5. 0x4cc27425fe33fc6d63d61ca77320a84b7723bb300e1d58f7f3cdb14ab7148d49
6. 0xcd7f9377902c70294a826bd2b6c1e8e84b692233cf522e246f5bc8396cb22247
7. 0x286b2352f7b3bcbda4d19a51c45f6a008f51c40e0787af16b5a324118b962530
8. 0xdf695ec943e847b790c0b64e9b3d41cd44718028e01f76b78f461c95328c850c
9. 0x8e85f53035ff71efcc44f55013514bd0e7ed631eec9b42de1ed996133bcb245e
10. 0x126e79ac2018d00889a5d756cd9147d11b03b94af34b1fa6b8c91a2e3089e6d0
11. 0xf3ab0bba5d2c37cc9530fe7c80c74646d8a3c98661650be751cac7c5cc4300c5
12. 0xd1b026958b87e7817d492c5f8133035d465e6221f158dbb4a44448c14b220dbc
13. 0x0a70f94ba839c32042590eb96f6114034cb5b3ed8dd1b48fb4158efe13cb8084
14. 0xec2e740df411d32a080c5e65c8b0ca511ad665b213532cee58525a97aebd2893
15. 0x60b5befbd81f025904c8a3936b7ba86e3245ad5b37c615d01d42aa3227e3ed2e
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1