Evidence row 234202

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://polynews.news/api/v1/feed"
    ]
  ],
  "name": "polynews.news/api/v1/feed",
  "owner_address": "0x6ee49a7872844397fb52870cc07b308ffadc9427",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6ee49a7872844397Fb52870Cc07b308fFADC9427",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "76xzzgua9K8985GqGMwB946zTFtHvjTd9MfGoTYfys3d",
        "scheme": "exact"
      }
    ],
    "description": "Real-time trade stream with market summaries (2hr rolling window, $500+ trades)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": "100",
              "minValue": "500"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "marketSummaries": [
                  {
                    "buyVolume": 45200,
                    "marketId": "69317",
                    "netFlow": 7100,
                    "sellVolume": 38100,
                    "tradeCount": 42
                  }
                ],
                "summary": {
                  "accumulatorUptime": 7200,
                  "newestTimestamp": 1747019400,
                  "oldestTimestamp": 1747012200,
                  "pollCount": 160,
                  "totalAccumulated": 1840
                },
                "trades": [
                  {
                    "amount": 2400,
                    "market": "Democratic Presidential Nominee 2028",
                    "outcome": "Gavin Newsom",
                    "price": 0.32,
                    "side": "BUY",
                    "timestamp": 1747019400,
                    "valueUsd": 768,
                    "wallet": "0xa1b2...c3d4"
                  }
                ]
              },
              "meta": {
                "endpoint": "/api/v1/feed",
                "latencyMs": 180,
                "tier": "standard",
                "timestamp": "2026-05-12T04:30:00.000Z",
                "version": "v1"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "limit": {
                      "type": "string"
                    },
                    "minValue": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "properties": {
                        "marketSummaries": {
                          "type": "array"
                        },
                        "summary": {
                          "description": "Accumulator stats",
                          "properties": {
                            "accumulatorUptime": {
                              "description": "Seconds",
                              "type": "number"
                            },
                            "newestTimestamp": {
                              "type": "number"
                            },
                            "oldestTimestamp": {
                              "type": "number"
                            },
                            "pollCount": {
                              "type": "number"
                            },
                            "totalAccumulated": {
                              "type": "number"
                            }
                          },
                          "type": "object"
                        },
                        "trades": {
                          "items": {
                            "properties": {
                              "amount": {
                                "type": "number"
                              },
                              "market": {
                                "type": "string"
                              },
                              "price": {
                                "type": "number"
                              },
                              "side": {
                                "type": "string"
                              },
                              "timestamp": {
                                "type": "number"
                              }
                            },
                            "type": "object"
                          },
                          "type": "array"
                        }
                      },
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T15:25:17.685Z",
    "quality": {
      "l30DaysTotalCalls": 53,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T05:07:28.325Z"
    },
    "resource": "https://polynews.news/api/v1/feed",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real-time trade stream with market summaries (2hr rolling window, $500+ trades)"
}

What the leaf hashes

{"body":"4c5b98eb93e4a9d892cece878741554083389fc66c4728f18f3328705ea43966","id":234202,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793028688721544,"prev":8297,"subject":"x402_bazaar:https://polynews.news/api/v1/feed","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x3820a3e7176cf64c6e29340a0a4785b782dcc3ea026a3ef90e782d600ecfd35c
2. 0x6d35cc79bb465bdc31576becde34ca8334558aef55190ffbdf77f884b4c355fe
3. 0xed4ecd8aa522aec36647dc536c5dcbc0a750dec43ae6ad39f783be0619b2ea51
4. 0x9c4236b8ee541e4b00602fec67a8eebaaed435143114bf33a9d26d3ef75e8cc3
5. 0xfdae5b46f328aec57ddda8fc8301b5d2aaf02f459a80b53d3122b4f624874ae7
6. 0xc087dc32e6f40c3b090816d92d0e43a93ff968c74684ff2420877a977fe1b97b
7. 0xc698d12562ae013df0c56300843045708146b4f6e40ee2230f270a669de11983
8. 0x5dfb420c19d6d9312195dcd4ebeb850f584c2b577675367d9e1fc478aba36fb5
9. 0xd70a09e0e0b4a35dec7a6bb73e580c5932242874550c060e22f88f35b7f20291
10. 0xff1ff8dcc12c50635e4a66c3c00beef7e027b751a84ecfd916d28b30b631ab0f
11. 0xac34ddbc48fae726d62603aa0121ea4aa01a5fe05b84c5335b25521c1e72ed07
12. 0x8b23d34f6cd746f123b1e4d09449280800a81e00febe1fd9224b6802057238d5
13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae