Evidence row 118697

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://predict.memoryapi.org/x402/predict/platform_arb?"
    ]
  ],
  "name": "predict.memoryapi.org/x402/predict/platform_arb",
  "owner_address": "0x24facafeb49b4e3facf0b3e69604a2f4640c9bf2",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x24FAcafEB49b4e3FACF0B3e69604A2F4640c9bf2",
        "scheme": "exact"
      }
    ],
    "description": "Find prediction market arbitrage across Polymarket, Kalshi, and Manifold.",
    "extensions": {
      "bazaar": {
        "info": {
          "description": "Cross-platform prediction market arbitrage. Fuzzy-matches events and detects mispricings.",
          "iconUrl": "https://memoryapi.org/icon.png",
          "input": {
            "method": "GET",
            "schema": {
              "properties": {},
              "required": []
            },
            "type": "http"
          },
          "output": {
            "example": {
              "arb_opportunities": 2,
              "pairs": [
                {
                  "event_topic": "event words",
                  "signal": "ARB",
                  "spread_pct": 5.2
                }
              ],
              "success": true
            }
          },
          "serviceName": "MemoryAPI Predict",
          "tags": [
            "prediction",
            "markets",
            "trading"
          ]
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      }
    },
    "lastUpdated": "2026-10-02T14:44:43.768Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-02T14:44:43.507Z"
    },
    "resource": "https://predict.memoryapi.org/x402/predict/platform_arb?",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find prediction market arbitrage across Polymarket, Kalshi, and Manifold."
}

What the leaf hashes

{"body":"7908dea37f8c0523c8ad09a140f7ec86a413317f16c3b5426a5f5c3536ac9223","id":118697,"kind":"listing","method":"baseline/1","observed_us":1793025613608696,"prev":null,"subject":"x402_bazaar:https://predict.memoryapi.org/x402/predict/platform_arb?","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. 0xaedf97d6cddb6d2552fe01da08bfddd96ecc3de8bb920dcfce2d7bc78f4c0d54
2. 0xa40fb2978e0bc8f2067fe5a37b05c44eca5684ac10b63bb0df75c9c7c37436f0
3. 0x0083f758fba50e54311c7aa0accbc7327517b0e60ae841ff81ec2ceb16215119
4. 0xc31577d154679ffd64d584804a00e524941574ace8602abc048563b998ce960b
5. 0xee58d69a821398ea6957c71d835a1d060f1775c8632aac6c6d5bd19533730b16
6. 0x9e07f4b4eedaa58a2a28cc8c1d6af8734d2752f34d8defed37a550923f7a5045
7. 0xb66354cdb5fc79dbc6990c7fe9846c3c9bebb69a120a95bbfffa098c832306c2
8. 0x24ecf00921013606b54d70b0b8c986aecd4dbd66c14acc571bbe23ad385eec17
9. 0x2a68c46b8e4d47dfbc02abd4f2e679318ed73cf04bec95ec2bebc22e39cc388c
10. 0x3107fa81688f3046afda2f948045d364316b247469a8a303ed99d9184e826a89
11. 0x863ea2425c8cc958ae125e95c3e3170c9ac576a8c72849cb3f596e616b6fd6a8
12. 0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae