Evidence row 526860

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://plainchain.appin60.com/v1/bazaar/search"
    ]
  ],
  "name": "plainchain.appin60.com/v1/bazaar/search",
  "owner_address": "0xb442dacae60c07bb5db8f33c8a6c1572d8f24e83",
  "raw": {
    "accepts": [
      {
        "amount": "1942",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xB442daCAE60C07bb5dB8f33C8a6c1572d8F24e83",
        "scheme": "exact"
      }
    ],
    "description": "Find x402 APIs that agents actually pay for: keyword search over the whole Coinbase x402 Bazaar (31,000+ paid endpoints), ranked by distinct paying wallets in the last 30 days. Filter by max price and network. Returns URL, method, price, 30-day payers and calls, last paid call. Use to pick a proven seller before spending.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "max_price": "0.01",
              "q": "gas price base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "query": "gas price base",
              "ranking": "distinct paying wallets in the last 30 days...",
              "results": [
                {
                  "calls30d": 236,
                  "lastCalledAt": "2026-10-13T06:12:00.000Z",
                  "method": "GET",
                  "payers30d": 236,
                  "priceUsd": 0.001,
                  "resource": "https://api.example.com/gas"
                }
              ],
              "snapshotAt": "2026-10-13T08:30:00Z"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "limit": {
                      "description": "1-25, default 10",
                      "type": "string"
                    },
                    "max_price": {
                      "description": "optional max price per call in USD",
                      "type": "string"
                    },
                    "network": {
                      "description": "optional, e.g. base or eip155:8453",
                      "type": "string"
                    },
                    "q": {
                      "description": "words describing the task, e.g. 'web search', 'token price', 'weather'",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:11:25.496Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T10:11:25.307Z"
    },
    "resource": "https://plainchain.appin60.com/v1/bazaar/search",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find x402 APIs that agents actually pay for: keyword search over the whole Coinbase x402 Bazaar (31,000+ paid endpoints), ranked by distinct paying wallets in the last 30 days. Filter by max price and network. Returns URL, method, price, 30-day payers and calls, last paid call. Use to pick a proven seller before spending."
}

What the leaf hashes

{"body":"bce98d165c0170785b6c50bc308d78d2cd224c36b31a5247365318c1681f8515","id":526860,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124792264464,"prev":452662,"subject":"x402_bazaar:https://plainchain.appin60.com/v1/bazaar/search","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. 0x66f2cc18a2328a140f8d603a540fe9b8354dc767816bb33f9582ce8014c9b121
2. 0xa4e239d9d25430e975a0b7874fb1fa579fe8104bad9db36eb5a348a5b0b92e56
3. 0xd63b951237203c7ea9d2d5d544d6ee8e56f0562d552a5026bbefea4656604e6b
4. 0x175017c140716b128565d9f5f9ce3357ec251495b79e371b3b853da10b543ea3
5. 0xf289b9b5def7349aa492dfd3a4b685a206b6ce591da443c0124e06baf40420b2
6. 0x99cb5a1a4e1900952d56f247b217aa0e81b85dcdabf64c44129a09371dc69db7
7. 0x957d06a66dde2f58167c87bdc150997a80ec77b51b8d245af62e6e4c13e00b05
8. 0x2ef13ee163b8d86c7ec7a53a539d91f05a8cacdd0dcd6ac92df9e833f560e67c
9. 0xda25740d7a9a6e14df03b05b5b1296aee1244772a515faeebc50171f4e308e8c
10. 0x39e7cb0bc43817dc76aec608a58b43a8f8a3b81ac0460e9309eaeaae42e5c6a9
11. 0x2790beb45139410d982bf832095cfc669288d124f5200d2bdd191f14d8df7e4e
12. 0xfc80c3ec28002b5abbe969b82c8409cc3216ef75df720eab92db371621f671d9
13. 0x4c257542b0421f909cc313308d9054fb29b4b46d9dca1b83169d04797233fda2
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4