Evidence row 68393

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.seerium.xyz/v1/pulse/catalysts"
    ]
  ],
  "name": "api.seerium.xyz/v1/pulse/catalysts",
  "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": "News prediction market catalyst API for agents. Ranks prediction market signals by freshness, confidence, urgency, liquidity, and probability context.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 3
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "catalysts": [
                  {
                    "catalystScore": 84.2,
                    "freshnessMinutes": 4.5,
                    "id": "pulse:headline_1",
                    "impact": {
                      "confidence": 0.88,
                      "hoursToClose": 61.5,
                      "liquidity": 390000,
                      "marketSlug": "will-btc-close-above-110k-this-week",
                      "matchedTokens": [
                        "BTC",
                        "bitcoin"
                      ],
                      "probabilityMidpoint": 0.48,
                      "question": "Will BTC close above $110k this week?",
                      "score": 0.92,
                      "source": "polymarket",
                      "spread": 0.02,
                      "urgency": "soon",
                      "url": "https://polymarket.com/event/will-btc-close-above-110k-this-week",
                      "volume24h": 1200000,
                      "yesAsk": 0.49,
                      "yesBid": 0.47
                    },
                    "news": {
                      "headline": "Bitcoin volatility rises ahead of CPI print",
                      "id": "headline_1",
                      "provider": "coindesk",
                      "publishedAt": "2026-03-25T11:58:00.000Z",
                      "status": "fresh",
                      "summary": "Macro-sensitive crypto headlines from cached pulse sources.",
                      "tags": [
                        "news",
                        "crypto"
                      ],
                      "tickers": [
                        "BTC"
                      ]
                    },
                    "reasons": [
                      "matchedTokens=BTC,bitcoin",
                      "linkConfidence=0.88",
                      "urgency=soon"
                    ]
                  }
                ],
                "criteria": {
                  "limit": 3,
                  "minConfidence": null,
                  "source": null,
                  "tickers": []
                },
                "returned": 1,
                "totalLinkedItems": 10
              },
              "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": "pulse-catalysts",
                "method": "GET",
                "name": "Prediction Market Catalyst Signals",
                "networks": [
                  "eip155:8453",
                  "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
                ],
                "path": "/v1/pulse/catalysts",
                "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": {
                    "limit": {
                      "description": "Optional maximum news catalyst to prediction-market links to return.",
                      "minimum": 1,
                      "type": "number"
                    },
                    "minConfidence": {
                      "description": "Optional minimum catalyst link confidence.",
                      "minimum": 0,
                      "type": "number"
                    },
                    "source": {
                      "description": "Optional news provider or prediction-market source filter.",
                      "type": "string"
                    },
                    "tickers": {
                      "description": "Optional comma-separated crypto tickers such as BTC,ETH,SOL.",
                      "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": "2026-10-22T10:19:33.663Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-22T10:19:33.481Z"
    },
    "resource": "https://api.seerium.xyz/v1/pulse/catalysts",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "News prediction market catalyst API for agents. Ranks prediction market signals by freshness, confidence, urgency, liquidity, and probability context."
}

What the leaf hashes

{"body":"5601f28da32178ec4fe93060beb982ad32f578fbde997f44b7c3e48aec11099b","id":68393,"kind":"listing","method":"baseline/1","observed_us":1793025466620925,"prev":null,"subject":"x402_bazaar:https://api.seerium.xyz/v1/pulse/catalysts","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. 0x3efc89866bdfa5308938adfd2c4462098fd857883eb3bc537cece8ebef6889d0
2. 0xff1ae912f46bb4813ce7869a0c85627e8773384d30d4741056681ce49bb68c2c
3. 0xbd42166b6f0d849865ad753b75ebf5940fefb34d10d2fd86889a7d756fc21652
4. 0xbdb98d143d722ebcf9ed2c5b6587868bac6695aa49b6624f6d1dc388daee66cd
5. 0xd07e1ff11b3c95810bd7bd9fabd0204f2e249bb8a24cf44c18a94466ac5521bf
6. 0x66f1f4839667e7c5acd614e4daeb6dad6f99915295caf8450db0e01021d2ac44
7. 0xa9480d268dab2c81e7896a0ced6c1c10836d107aebdef472ecf116a7b97c40ec
8. 0x7b8730962916b6878edab23c9e9eaf1af0c7f8a4b50df2f8cc538e0ad4ab7ce5
9. 0xff75e22a828cb7d1cdd552f6f3b402140b68667d8e44835b53a0e2c817c0348b
10. 0xa206678127697e0573e1c3c370e3f5c8dab5505cb986a0c1e8e08b3b19f3ab20
11. 0xa4d1745f134661a77f8f2bfd58422252c41790ede9f0de54979c915510f5d550
12. 0x1afc0318a98c6dbb5a80e5cb86eba22b844e3f3b185a16f17290e29ab7410f55
13. 0x215f432600b78f2e7c9629cd10ce6ce4b7f3351b0b71f3f2c7dcb8e650f6cd63
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae