Evidence row 118696

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": "2026-10-21T04:38:19.627Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-21T04:38:19.38Z"
    },
    "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":"6be571686f5dfc48f251b6caae1e41ed581a116c9c1fc68ffc4fe5da4b668c9c","id":118696,"kind":"listing","method":"baseline/1","observed_us":1793025613607904,"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. 0x70d5bdea47c39b429990b5f3d1bf780d81c56501cc29373dde7197d00ead75b0
2. 0x1363a464bdb0dfc519f8ed6b927159e9dc8c6642ebd433e48cf42bf5451ac360
3. 0xdd4cc8794ad017b10ef566b4ed935ec797fbaf43a28e99caa9d959c29c33251f
4. 0xba24cbf509ab0cc1a94552259fec0e2734d243a9723626e49e997a88ca772700
5. 0x49e74e2bae4845a6d8ceebf489e66a7be9674c7f13a4093df625be421c1d724c
6. 0x9331ab4bf69344172664d38c038e54c740d19fda96c3313eec183b64862e984e
7. 0x7a82f8e402b8f9098b434aefe264f5989824b116abd40b8600eba35eae23ef7f
8. 0x699dd5cdc5da242a74d34a368b6fa4c2ffce2948dc8b8896bb6b47098a3386ac
9. 0xf9a6818a3f2ac2642dca7c4363f32a10513cbe382420d3c68da9b76bcc10d716
10. 0x6fae3679fc5921d366ae94575352c3191431b9e169642b59711be337f82a5294
11. 0x85ea4bbb5113622e4aa66d1805aad88594922ba95c70691ba980547dd9edd2b2
12. 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae