Evidence row 68382

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.seerium.xyz/v1/prediction/ending-soon"
    ]
  ],
  "name": "api.seerium.xyz/v1/prediction/ending-soon",
  "owner_address": "0x81832eede3a4ad96cb3d7ca09977636d912fd3d5",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
        "scheme": "exact"
      }
    ],
    "description": "Ending soon and expiring prediction market API for Polymarket, Kalshi, and Gemini. Find active markets resolving soon with close time, bid/ask prices, volume, liquidity, venue, and market links.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "hours": 24,
              "limit": 25,
              "source": "all"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "criteria": {
                  "hours": 24,
                  "limit": 25,
                  "source": "all"
                },
                "returned": 1,
                "rows": [
                  {
                    "acceptingOrders": true,
                    "active": true,
                    "archived": false,
                    "closed": false,
                    "conditionId": "KXBTC-26MAY31-B100000",
                    "endDateIso": "2026-05-31T20:00:00.000Z",
                    "eventSlug": "bitcoin-price-may-31-2026",
                    "eventTitle": "Bitcoin price on May 31, 2026",
                    "indicative": true,
                    "lastPrice": 0.43,
                    "liquidity": 12800,
                    "marketSlug": "kxbtc-26may31-b100000",
                    "marketTicker": "KXBTC-26MAY31-B100000",
                    "marketUrl": "https://kalshi.com/markets/KXBTC-26MAY31-B100000",
                    "minOrderSize": 1,
                    "minTickSize": 0.01,
                    "minutesUntilEnd": 240,
                    "noAsk": 0.58,
                    "noBid": 0.56,
                    "noPrice": 0.57,
                    "question": "Will Bitcoin be above $100,000 on May 31, 2026?",
                    "seriesSlug": "bitcoin",
                    "seriesTicker": "KXBTC",
                    "source": "kalshi",
                    "sourceUpdatedAt": "2026-05-31T15:56:00.000Z",
                    "volume": 193200,
                    "volume24h": 28450,
                    "yesAsk": 0.44,
                    "yesBid": 0.42,
                    "yesPrice": 0.43
                  }
                ],
                "sourceCounts": {
                  "gemini": 3,
                  "kalshi": 4,
                  "polymarket": 5
                },
                "sourceUpdatedAt": {
                  "gemini": "2026-05-31T15:54:30.000Z",
                  "kalshi": "2026-05-31T15:56:00.000Z",
                  "polymarket": "2026-05-31T15:55:00.000Z"
                },
                "timestamp": 1760000000000,
                "totalCandidates": 12,
                "warnings": []
              },
              "meta": {
                "freshnessMs": 30000,
                "generatedAt": "2026-03-25T12:00:00.000Z",
                "requestId": "req_example_123",
                "updatedAt": "2026-03-25T11:59:30.000Z"
              },
              "product": {
                "accepts": [
                  {
                    "network": "eip155:8453",
                    "payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
                    "price": "$0.1000",
                    "scheme": "exact"
                  },
                  {
                    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
                    "payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
                    "price": "$0.1000",
                    "scheme": "exact"
                  }
                ],
                "id": "prediction-ending-soon",
                "method": "GET",
                "name": "Ending Soon Prediction Markets API",
                "networks": [
                  "eip155:8453",
                  "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
                ],
                "path": "/v1/prediction/ending-soon",
                "price": "$0.1000"
              },
              "service": "seerium-x402-api"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "hours": {
                      "description": "Optional resolving-soon window in hours. Defaults to 24.",
                      "maximum": 168,
                      "minimum": 1,
                      "type": "number"
                    },
                    "limit": {
                      "description": "Optional maximum ending-soon markets to return. Defaults to 25.",
                      "maximum": 100,
                      "minimum": 1,
                      "type": "number"
                    },
                    "source": {
                      "description": "Optional prediction market venue filter: polymarket, kalshi, gemini, or all. Defaults to all.",
                      "enum": [
                        "polymarket",
                        "kalshi",
                        "gemini",
                        "all"
                      ],
                      "type": "string"
                    }
                  },
                  "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": "2026-10-08T06:09:39.361Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-08T06:09:39.232Z"
    },
    "resource": "https://api.seerium.xyz/v1/prediction/ending-soon",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Ending soon and expiring prediction market API for Polymarket, Kalshi, and Gemini. Find active markets resolving soon with close time, bid/ask prices, volume, liquidity, venue, and market links."
}

What the leaf hashes

{"body":"1d3b87ddd32e2f1abda2fdf6fadc55e0b6f82452c710cff06e7ffbf80f10df0b","id":68382,"kind":"listing","method":"baseline/1","observed_us":1793025466485494,"prev":null,"subject":"x402_bazaar:https://api.seerium.xyz/v1/prediction/ending-soon","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. 0x45efb2c86f816c338d8dddbb4656d170e9552e42bd38c927554c8080b7301d49
2. 0x19c90e935ca44d4a7c18839b19673fe3d8690f3450d4354af967082d6beacd40
3. 0xd5fb2935046713a9c3a359e77243a312f0c28cda4ad387c7305423cf3eae0c22
4. 0x64a3d132bcc5d04028abc45cbd635305d99c23e39b6d2e821d0f3c303aceaf96
5. 0xd66639e80d48abc1d45b67b86f72c640c0b6f1cb3451a0838739d97eb7026fdf
6. 0xdb9fe4c71608e6a52037aa2c3ffbc343323d8a4bd907a6fd05e3cfb567f70526
7. 0x08fa23d742c9b9683569dd6d039c48e1fef78ea9a5f03e8597529243cc5cbf73
8. 0xe4e974ebf3d64d9dca2e444bd8b764f3046890f6e6a2379a65b1dc8bb0498c53
9. 0x98f4ed6c9aca13da1c20894a7047277266eb8ec70dae0529babc30e087104ee4
10. 0x6a1f5a35af750ae279aa449f09e871daec7daf61e24910bcb67b1594232df31c
11. 0x415bf66d9c632a887484603836ad3f90715af6f56ae73f0a5711497372ba0265
12. 0x804dd9d5afe0f1a780e24099fb6b21f5f20545893ea0eeddf5fb9114e2f3edd5
13. 0x54b29089c0a3cbbd6ddbe58944696110984dd5f418275cb1b77f957c56da8eab
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae