Evidence row 68376

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.seerium.xyz/v1/opportunities/ranked"
    ]
  ],
  "name": "api.seerium.xyz/v1/opportunities/ranked",
  "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": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
        "scheme": "exact"
      }
    ],
    "description": "Ranked opportunities API and market signals API for agents. Ranks Polymarket prediction market opportunities and Dex signals by budget, liquidity, spread, horizon, and risk.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "allowShort": true,
              "limit": 3,
              "riskProfile": "balanced",
              "source": "all"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "criteria": {
                  "allowShort": true,
                  "budgetUsd": null,
                  "category": null,
                  "horizonHours": null,
                  "limit": 3,
                  "maxSpread": null,
                  "minEdge": null,
                  "minLiquidity": null,
                  "riskProfile": "balanced",
                  "source": "all"
                },
                "returned": 1,
                "rows": [
                  {
                    "avgAgentConfidence": 72,
                    "description": "Strategy-derived opportunity from cached market snapshots.",
                    "edge": 0.035,
                    "estimatedNotionalUsd": 480,
                    "fit": {
                      "budgetOk": true,
                      "horizonOk": true,
                      "liquidityOk": true,
                      "spreadOk": true
                    },
                    "horizonHours": 48.2,
                    "legs": [
                      {
                        "marketSlug": "us-x-iran-permanent-peace-deal-by-may-31-2026",
                        "outcome": "Yes",
                        "price": 0.49,
                        "reason": "spread and liquidity screen passed",
                        "side": "BUY",
                        "size": 500,
                        "tokenId": "poly_yes_token"
                      }
                    ],
                    "maxLegSpread": 0.02,
                    "minLiquidity": 54000,
                    "rank": 1,
                    "reasons": [
                      "edge=0.035",
                      "score=81.4",
                      "avgAgentConfidence=72"
                    ],
                    "requiresShort": false,
                    "riskLevel": "medium",
                    "score": 81.4,
                    "source": "prediction",
                    "strategy": "mispricing_spread"
                  }
                ],
                "totalCandidates": 42,
                "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": "ranked-opportunities",
                "method": "POST",
                "name": "Ranked Market Opportunities API",
                "networks": [
                  "eip155:8453",
                  "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
                ],
                "path": "/v1/opportunities/ranked",
                "price": "$0.1000"
              },
              "service": "seerium-x402-api"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "allowShort": {
                      "description": "Optional flag to include opportunities requiring short exposure.",
                      "type": "boolean"
                    },
                    "budgetUsd": {
                      "description": "Optional maximum notional budget in USD.",
                      "minimum": 1,
                      "type": "number"
                    },
                    "category": {
                      "description": "Optional text filter over strategy, market question, event metadata, or theme.",
                      "type": "string"
                    },
                    "horizonHours": {
                      "description": "Optional maximum hours to market close.",
                      "minimum": 0,
                      "type": "number"
                    },
                    "limit": {
                      "description": "Optional maximum ranked opportunities to return. Defaults to 25.",
                      "minimum": 1,
                      "type": "number"
                    },
                    "maxSpread": {
                      "description": "Optional maximum acceptable order book spread.",
                      "minimum": 0,
                      "type": "number"
                    },
                    "minEdge": {
                      "description": "Optional minimum opportunity edge as a decimal or percent-style value.",
                      "type": "number"
                    },
                    "minLiquidity": {
                      "description": "Optional minimum market or leg liquidity in USD.",
                      "minimum": 0,
                      "type": "number"
                    },
                    "riskProfile": {
                      "description": "Optional risk profile used to rank opportunities. Defaults to balanced.",
                      "enum": [
                        "conservative",
                        "balanced",
                        "aggressive"
                      ],
                      "type": "string"
                    },
                    "source": {
                      "description": "Optional opportunity source: Polymarket prediction markets, Dex markets, or all. Defaults to all.",
                      "enum": [
                        "all",
                        "prediction",
                        "dex"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:38:01.341Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-08T05:38:01.198Z"
    },
    "resource": "https://api.seerium.xyz/v1/opportunities/ranked",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Ranked opportunities API and market signals API for agents. Ranks Polymarket prediction market opportunities and Dex signals by budget, liquidity, spread, horizon, and risk."
}

What the leaf hashes

{"body":"5de75bf387953a8af86d9571e19ffe1b40ccae11e2319f66b9a9ed7f122831a6","id":68376,"kind":"listing","method":"baseline/1","observed_us":1793025466477999,"prev":null,"subject":"x402_bazaar:https://api.seerium.xyz/v1/opportunities/ranked","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. 0xb49e10e17ebc82a55eb6cc929b047c343b7f4529312d8aa4db0ac17aa51a1737
2. 0xba364d697b949ec623f258260440cdfa1b7412a336ae11221237889d387dc5f1
3. 0x3ee2ed0ad32deb876e4ce078684f82546ec352059d03bd76b318254286bb47bd
4. 0x4fb5c1d64fe1cbbbe25e83a571590624f88811d34e7d58c39c3f9ca09354031f
5. 0x055d8a95f7906fa5c911f2cbe130889f5c145a9469826ec4a81d6bd81ac003af
6. 0x2b77735e7d023d956bc02a1cb56837ca1fc14e2a6cb9da2fe0334cccb7a2116f
7. 0x913b690799d0bcd2ad73c2ece543c8acbe4894abd0e24e6050dc25bbe7c9b759
8. 0x9f3e70bc27a186d9e4e67cfcf7cd8784d3c7456229223cbc13bb873ee1986249
9. 0xa2f9426da32fefacce0df7d444a095ceb9bb43bfbc7630458b5b59699873dbd5
10. 0x3a9c6702af5bb205f746160745b1ff440cc33b1b113d3f6b7c1c96033f9df602
11. 0x559555135675e39701c05a4d63d274b59d60cf1dc8421a68215c770867d00aff
12. 0x7a0f1751de1946feff7d8c8afc737dcc4d35f110809c15aa0fdb8363a9e31b2b
13. 0x0d86419ca1dd0b62fd8b22ea2e8c74d441312cec3116a467bea429b43e026565
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae