Evidence row 409851

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402scan-git-router-117-merit-systems.vercel.app/api/x402/merchants"
    ]
  ],
  "name": "x402scan",
  "owner_address": "0x2ec4545f96a24876764bf2b04d54e66a1351be71",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2EC4545f96A24876764bF2B04D54E66A1351bE71",
        "scheme": "exact"
      }
    ],
    "description": "Paginated list of merchants (top recipients by volume)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "additionalProperties": false,
                  "properties": {
                    "chain": {
                      "description": "Filter by chain",
                      "enum": [
                        "base",
                        "solana"
                      ],
                      "type": "string"
                    },
                    "page": {
                      "default": 0,
                      "description": "Page index (0-based)",
                      "maximum": 9007199254740991,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "page_size": {
                      "default": 10,
                      "description": "Items per page (1-100, default 10)",
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "sort_by": {
                      "default": "volume",
                      "description": "Sort field",
                      "enum": [
                        "volume",
                        "tx_count",
                        "unique_buyers"
                      ],
                      "type": "string"
                    },
                    "timeframe": {
                      "anyOf": [
                        {
                          "const": 1,
                          "type": "number"
                        },
                        {
                          "const": 7,
                          "type": "number"
                        },
                        {
                          "const": 14,
                          "type": "number"
                        },
                        {
                          "const": 30,
                          "type": "number"
                        }
                      ],
                      "description": "Days lookback (1, 7, 14, or 30)"
                    }
                  },
                  "required": [
                    "page",
                    "page_size",
                    "sort_by"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T18:50:36.407Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T18:50:36.252Z"
    },
    "resource": "https://x402scan-git-router-117-merit-systems.vercel.app/api/x402/merchants",
    "serviceName": "x402scan",
    "tags": [
      "X402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Paginated list of merchants (top recipients by volume)"
}

What the leaf hashes

{"body":"eddb8a2422dd7b89c02a1ef882b0e818f731ce0982c2271e925eb0b57a5552c9","id":409851,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080412229413,"prev":283915,"subject":"x402_bazaar:https://x402scan-git-router-117-merit-systems.vercel.app/api/x402/merchants","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x3c378784d3b75076d3abb3a4ad8dff4f920fa23f3c50fb6ca16258f485b65a59
2. 0x8f521d87e8df68c707a9c89c7fa877e74c5efd01b6585e7bf50ac39f1526d4f8
3. 0x087ee5a2c2f425dab47498f9049e94fe3e8309dc96c68aabf964c89796bba874
4. 0x9c94dcf5f349b5799793c21184008e11dbe927beb5c41898d5390ff24a46ceec
5. 0x1bce6c9d303e8696751ec828fae1c3403244f4e424e95ae62e2cae43b7e7df17
6. 0x871b176296a817c876da564c4c6eb2e47ec917d76cda24dc83c9dbbf3163dfec
7. 0x3f460552cdfe3d29e69569ca4dfd509943890c763140268e954bdc097aca3b3e
8. 0x1dbcdc325e7a980e5f1d1104238bc3c10dfcf89049c3bcfc7dcf149878218f31
9. 0x534d82dc201dc1c3d8f412528c3a713a7c5d9d5bc25a0fdb3f893b3ebfe37dbe
10. 0x20ce165a0d8336fea141e0c371351a7bbb12f065d8ef43ab00c2247475a52c3d
11. 0x142ffc1d2025965a3e91857cd2d35ac599e5120c39272796b11f4a87c43bb99b
12. 0x5bcdf911ebda5c6d942d996f5453cef161d2571921ceb388d7c8ffbdc925f4d0
13. 0x9e70d944564843a0f0d88b623d628ff2e2ac17c172d4ebe0ed141fe8b9f9dae4
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4