Evidence row 116643

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.memoryapi.org/x402/market/cex_arb"
    ]
  ],
  "name": "market.memoryapi.org/x402/market/cex_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": "Cross-exchange cryptocurrency arbitrage opportunities. Find best buy/sell prices across major exchanges.",
    "extensions": {
      "bazaar": {
        "info": {
          "description": "Cross-exchange crypto arbitrage from CoinGecko. Identifies price spreads for crypto assets across major exchanges (Binance, Coinbase, Kraken, etc.) for USD/USDT/USDC pairs.",
          "iconUrl": "https://memoryapi.org/icon.png",
          "input": {
            "method": "GET",
            "queryParams": {
              "coin": "bitcoin",
              "coins": "bitcoin,ethereum,solana",
              "limit": "10"
            },
            "schema": {
              "properties": {
                "coin": {
                  "description": "Single coin to analyze (default: bitcoin)",
                  "type": "string"
                },
                "coins": {
                  "description": "Comma-separated list for multiple coins (e.g. bitcoin,ethereum,solana)",
                  "type": "string"
                },
                "limit": {
                  "description": "Max exchanges to return (default: 10, max: 50)",
                  "type": "integer"
                }
              },
              "required": []
            },
            "type": "http"
          },
          "output": {
            "example": {
              "all_exchanges": [
                {
                  "name": "Binance",
                  "price": 42600.75,
                  "target_currency": "USDT"
                }
              ],
              "as_of": "2025-01-02T18:00:00Z",
              "best_buy": {
                "exchange": "Kraken",
                "price": 42300.5
              },
              "best_sell": {
                "exchange": "Binance",
                "price": 42600.75
              },
              "coin": "bitcoin",
              "signal": "ARBITRAGE",
              "source": "CoinGecko",
              "spread_pct": 0.7102,
              "spread_usd": 300.25,
              "success": true
            }
          },
          "serviceName": "MemoryAPI Market",
          "tags": [
            "finance",
            "stocks",
            "crypto",
            "market"
          ]
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      }
    },
    "lastUpdated": "2026-10-08T05:40:37.486Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:40:37.374Z"
    },
    "resource": "https://market.memoryapi.org/x402/market/cex_arb",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cross-exchange cryptocurrency arbitrage opportunities. Find best buy/sell prices across major exchanges."
}

What the leaf hashes

{"body":"25a8ee624f98caba1b9276043e369d62e80f8d4c820f3421a9a6de337508b9e8","id":116643,"kind":"listing","method":"baseline/1","observed_us":1793025609880950,"prev":null,"subject":"x402_bazaar:https://market.memoryapi.org/x402/market/cex_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. 0x446acad545036b8232df60aa41b662f6dada949d0f3bf65a0dc257bcacd84128
2. 0xc8ba09965e11ea6a3145ad3b39e39b1ae1af10aab488bc2cf25238f686d211d8
3. 0x96df603598dfd6e4f3b0744d09346111bb5466cd75b9c40c19a149caae79f768
4. 0xc64d046f6ac5f781802da2d9da195e61d286dfd77d2d9be0ef01d3c6b48a2434
5. 0xa4e1c2a8cf6bf19169c202c3635444a9e94dd149e8d80bbf11d722e4f1b0154d
6. 0x4b5f6625a2afa2d0108233c58978d4c2e35563f286ba9d0b262fba75d3835986
7. 0x24169cf0a46a6f1bc82af0bcc1bc664d0d90d90d166d33970e7eb9622e14696c
8. 0x6f5b83a15d1123bc7507082cee7e9123d1569e9a0d03eddccfe73a78c3b2a89b
9. 0x976630b1189e6cd66fa7bed3075315f618ec08e36f127a7694c1ea9c4a0083de
10. 0xde181bf1fcb403c809d49f37f3f74a5547c660ce89eda5bb438ddeecff34c900
11. 0x1204d0e3e739db3e40f40f102e1314028f064872da22239d712e0ef4cff7deed
12. 0x2b1b47804e83988d7fd5ed8179b2334f3f43b318109b54142f6c6bd749076f9e
13. 0x54b29089c0a3cbbd6ddbe58944696110984dd5f418275cb1b77f957c56da8eab
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae