Evidence row 2623725

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": "8",
          "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":"229d522a2e6661108b9c92fe1cdf19232bf3f9a6e7162d9418364d94d48d3164","id":2623725,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793730188777601,"prev":1784955,"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 2026-11-03 (425475 rows).

1. 0xb3e86a6b0de760782b050cea376fc61ee169b3b83fc7bbcbed2228d80fe22161
2. 0xda1034a6a4e9c1fd535813b55b3627f0e948b54e5298822cc75fd779a740ba6f
3. 0xcc09ece545cdc4ab373da561f173187dea0a5c02abe0400170d68d77a32259ee
4. 0x98baad70a9ebfbbc5b6779844adf0a0a87d4543592d267596d93177af743af53
5. 0xfb1ed2312a5806f9625585fb3a2d67be3e1c15757c35c3575ecbb1087b4aae64
6. 0xd6b91ac8541632e5db6acc7b192c13826d073c3b251767bc7cf082dd4067da6d
7. 0x63789c1672f5c46a7e8f904f8b756dd22f3c72cd2873f73816a78d8748c2aee5
8. 0x0bcabce8ada72456cd82542ddd538428bc6cb51159995a7827e6ac0adb747f82
9. 0x7e13b81f1c21b8b4c2fa24d62731099ba8bb87d3b7c8be367573afba9dbdd509
10. 0x563ec534f43bd880435e60be3f277106f32d1ac5ec1b11189940dbc2eaec0359
11. 0x874473d9ca146526c2d8066fdcfaab6da5089e7486bd6b7a15eaf305d5afbed9
12. 0xc5a702d313243cb20e83c1b86e23fc99d953da21d2a26ce28ddeb01b69728cf0
13. 0x24a6ad148bed300df0d5c7786d9538e08bfd50fd138ab2e3058bfcf612b6970b
14. 0x1114468556630d3a65d038b1ce5fa0e558d58422878e6b91ce8c3b87e06fafef
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7