Evidence row 3048012

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://predict.memoryapi.org/x402/predict/markets"
    ],
    [
      "x402",
      "https://predict.memoryapi.org/x402/predict/mispricing"
    ],
    [
      "x402",
      "https://predict.memoryapi.org/x402/predict/platform_arb"
    ],
    [
      "x402",
      "https://predict.memoryapi.org/x402/predict/platform_arb?"
    ],
    [
      "x402",
      "https://predict.memoryapi.org/x402/predict/sports_arb"
    ]
  ],
  "name": "predict.memoryapi.org",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "predict.memoryapi.org",
    "endpoints": [
      {
        "description": "Browse Polymarket prediction markets. Filter by category (crypto, politics, sports, economics, science, entertainment, pop-culture), search by keyword, or set limit.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "20",
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "bitcoin",
            "group": "query",
            "name": "q",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "crypto",
            "group": "query",
            "name": "tag",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://predict.memoryapi.org/x402/predict/markets"
      },
      {
        "description": "Detect prediction market outcome mispricings — find markets where real-world outcome is already determined but market price is wrong",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://predict.memoryapi.org/x402/predict/mispricing"
      },
      {
        "description": "Find prediction market arbitrage across Polymarket, Kalshi, and Manifold.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "9",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://predict.memoryapi.org/x402/predict/platform_arb"
      },
      {
        "description": "Find prediction market arbitrage across Polymarket, Kalshi, and Manifold.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://predict.memoryapi.org/x402/predict/platform_arb?"
      },
      {
        "description": "Find sports betting arbitrage opportunities from The Odds API.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "h2h",
            "group": "query",
            "name": "markets",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "us",
            "group": "query",
            "name": "regions",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "basketball_nba",
            "group": "query",
            "name": "sport",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://predict.memoryapi.org/x402/predict/sports_arb"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "predict-memoryapi-org",
    "integrationType": "",
    "isNew": false,
    "name": "predict.memoryapi.org",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.0036",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.001"
    },
    "provider": "predict.memoryapi.org",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"69e036b8befa2b1c719aa79a830909c3314c09b3c9bb3ac458f2118d0866f1f2","id":3048012,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793816755205862,"prev":2623725,"subject":"agentic_market:predict-memoryapi-org","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x94c91d0c8b9ecda175c76a9aa60fecb77df075f8bfebcd1458165a8b2015a171
2. 0x67de30c7903f29120f80c3eb1369195baed3afd8192b90793861f15109d9f4b3
3. 0x7f96132edcb4e1c79405669c107e39433f5d1bf5e728278804976f2461bad5f8
4. 0xc4ee104ad4ddbae8ac0118483ce297a76d67babfaa6311ec4e0e8125d859dd0a
5. 0xf471ef8f4a929a4e5cbf1f5ba6fc258c9664588eb881aca782ef626f9a92c805
6. 0x359fe6094758b3c227b2cc0d13ebd1d0be0c8f7d9ff5e222791828cb05422ef5
7. 0xe0549eb306c36082d95e885bf8c8102ff154e7739dcd6a57c095a68f12eb511c
8. 0xcb51fded662d517309888937420e5208460f0572d1ae32f7b0df617d54d45acf
9. 0x4842d2e20e636b1fc721898833084b9988836b658a9b4803a98f13ee77a14545
10. 0x88db3207d4e2db04ca23460cb383f11ea7e62717c37a5c7082ad76b6c3a0d024
11. 0xaae1210df1dcf6ae41d97f2a1166966a8d1c7351ed6599813ef8efe2575d501a
12. 0x32dbd4127f853e11709d056a8ac16017a9d69eb1e3692bc429431367bbe2c888
13. 0xddd9fefbcb8feccc6b8816c027215504869d88525cba5ddd54428b6a30b8a9b9
14. 0xfe32433fc05c44d98e3005b6e487e2a2ec83c2cb3d472d4110f101e7fbe88f06
15. 0xcce6f2f7e4f40c7f768552ae3da9c9aed1be84ca300fbff8a25083a9399680f9
16. 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345