Evidence row 3347

Observed 26 Oct 2026, 14:34 UTC, by baseline/1.

Kind: listing
About: source_record agentic_market:polymarket-use-x402atlas-com
Recorded: 26 Oct 2026, 14:34 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 4c23544980f879cf2674f9cc7639f928a1d43e5b6e68c0fc5de3a55ad6ee2597
Leaf: 0x9d8cca2c9d137489ff7a76dc4984f06b41a67d8414327521a632fd654b636440

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://polymarket.use.x402atlas.com/events"
    ],
    [
      "x402",
      "https://polymarket.use.x402atlas.com/search"
    ]
  ],
  "name": "polymarket.use.x402atlas.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:137",
      "eip155:42161",
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "category": "",
    "description": "",
    "domain": "polymarket.use.x402atlas.com",
    "endpoints": [
      {
        "description": "Prediction market events by topic — page through open or closed Polymarket events under one tag such as politics, crypto, economy, geopolitics or ai, each with status, dates, volume, liquidity and markets with current YES prices. Use to survey what a prediction market is pricing on a subject.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 10,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "geopolitics",
            "group": "query",
            "name": "tag",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Polymarket Events",
        "tags": [
          "prediction-markets",
          "polymarket",
          "events-by-topic",
          "forecasting",
          "odds"
        ],
        "url": "https://polymarket.use.x402atlas.com/events"
      },
      {
        "description": "Prediction market search — find Polymarket events by free text and get each event's status, dates, volume, liquidity, topic tags and its markets with current YES prices. Use to locate a market on an election, Fed decision, crypto price, geopolitical or AI question before pulling odds, history or the order book.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "fed rate cut",
            "group": "query",
            "name": "query",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "active",
            "group": "query",
            "name": "status",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Polymarket Search",
        "tags": [
          "prediction-markets",
          "polymarket",
          "event-search",
          "forecasting",
          "research"
        ],
        "url": "https://polymarket.use.x402atlas.com/search"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "polymarket-use-x402atlas-com",
    "integrationType": "",
    "isNew": false,
    "name": "polymarket.use.x402atlas.com",
    "networks": [
      "Base",
      "eip155:137",
      "eip155:42161",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "polymarket.use.x402atlas.com",
    "providerUrl": "",
    "serviceName": "Polymarket",
    "tags": [
      "prediction-markets",
      "polymarket",
      "events-by-topic",
      "forecasting",
      "odds",
      "event-search",
      "research"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"4c23544980f879cf2674f9cc7639f928a1d43e5b6e68c0fc5de3a55ad6ee2597","id":3347,"kind":"listing","method":"baseline/1","observed_us":1793025272799506,"prev":null,"subject":"agentic_market:polymarket-use-x402atlas-com","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON