Evidence row 452662

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": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T20:36:50.045Z"
    },
    "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":"3e166a40ef0ce15fd139c85767b71072ac2636d5a6d6b5dca75ee1cb6e939f85","id":452662,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100554253428,"prev":118553,"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. 0xf35d75b6188be5f2bd3d6fd25bfbe56102769d3a6e018dff19658e0891884baf
2. 0x690070b11a27a0fd0e7f2491c905a377ff596949f2ae777d020735ee767face5
3. 0x1d7316d9e26c4d0f6328eaf3a5bde26f80bc338c8686a0e541ce062f37b0ec10
4. 0x4db42efc712d29a52bcbf5330e47cbc3061b8254ea13058d20c44d55ba9b0e65
5. 0xf138bf0652122cfddba4c635f31e346e6f96ac0e6e6a65bb35a4394c13007351
6. 0x201dd6032081e4a3d622a7c5fd4bd95704253bf93cca594572763f835533d444
7. 0xe0cd7865f5a06555dc4c9c56dfafa228bd9ca22b0690a9f5c57b5024da68ebd3
8. 0x82a03983556a070b168ab95643eb66f3fdd14560889ede317d13e0e7323a2621
9. 0x410cf1939bf5b31b1fd4a41458b600d7dcbcb55b80f54ed8549d79ade7b8d8f0
10. 0x355834b0c07f8d88a433aa12e74df348b0623b5f306bd55a9e09367d72216bfa
11. 0x28e43e19e4365cf2efadc5fbbf1bd505feed75b6f224b5173c306232c3944763
12. 0xc76e7a2a7d72384a3306a63b271737f83983bf378cba5d40efe61cfc57eb7d40
13. 0x47993ad5e402c748d96928c5127292d12f5f590d15cf544698f6bb348ad7dc9b
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4