addrbookFor publishers
← The evidence ledger

Evidence row 116641

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://market.memoryapi.org/x402/market/arbitrage
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7dfcd21e5e590b4c81f7e2a0aa0e13d985e90ba5c042ed9ef03ba83b33685f33
Leaf
0x4cfb59d7310e6aaeabf0299a6c1bdd40038ffcbbbf26ed365c179ce7a9be1e3e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.memoryapi.org/x402/market/arbitrage"
    ]
  ],
  "name": "market.memoryapi.org/x402/market/arbitrage",
  "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": "Real-time arbitrage spreads between tokenized securities and actual stock prices. Identify premium/discount opportunities.",
    "extensions": {
      "bazaar": {
        "info": {
          "description": "Spot tokenized stock premiums/discounts vs actual NYSE/NASDAQ prices. Tracks NVIDIA, Tesla, Alphabet, Micron, Circle, Strategy tokens vs their underlying equities. Updated via CoinGecko (tokens) + Twelve Data (stocks).",
          "iconUrl": "https://memoryapi.org/icon.png",
          "input": {
            "method": "GET",
            "queryParams": {},
            "schema": {
              "properties": {},
              "required": []
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2025-01-02T18:00:00Z",
              "disclaimer": "Not financial advice. Spreads may reflect fees, liquidity differences, or fractional denomination.",
              "pairs": [
                {
                  "note": "Tokenized asset may trade at premium/discount due to liquidity, fees, or market structure",
                  "premium_pct": 0.1,
                  "signal": "FAIR_VALUE",
                  "spread_usd": 0.15,
                  "stock_price_usd": 143.1,
                  "stock_ticker": "NVDA",
                  "token_name": "NVIDIA xStock",
                  "token_price_usd": 143.25,
                  "token_symbol": "XNVDA"
                }
              ],
              "source": "CoinGecko + Twelve Data",
              "success": true
            }
          },
          "serviceName": "MemoryAPI Market",
          "tags": [
            "finance",
            "stocks",
            "crypto",
            "market"
          ]
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      }
    },
    "lastUpdated": "2026-10-10T03:18:07.364Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-10T03:18:07.152Z"
    },
    "resource": "https://market.memoryapi.org/x402/market/arbitrage",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real-time arbitrage spreads between tokenized securities and actual stock prices. Identify premium/discount opportunities."
}

What the leaf hashes

{"body":"7dfcd21e5e590b4c81f7e2a0aa0e13d985e90ba5c042ed9ef03ba83b33685f33","id":116641,"kind":"listing","method":"baseline/1","observed_us":1793025609878540,"prev":null,"subject":"x402_bazaar:https://market.memoryapi.org/x402/market/arbitrage","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x4cfb05818aeeac341ae264592302fee845f4e37ea71d3a3927570156a1ffa469
  2. 0x687004f127cefffc201b2df467d76acbd0a5d6b606d94f427d644b9d54e70cda
  3. 0x05beeefb5993f5248d4a9f1d588b8a1b816272353ed1f4731d690a1f6656820e
  4. 0xbafe95757a64fbe53409171bd49fd9eec5aed35019ff78a728056d9793f4a40a
  5. 0x32d910ebfec75f5af6cef9f77195900b4d4b9c511cf6fd7b54dc8e9c61140578
  6. 0x39ec67c4f1dc51f3b460cf90cf79275113cac213faf3362fbbc69882c2fb1b47
  7. 0x03af86181f8bf350b8d6bef50f32e2d96392970a42fce423fd8f3baa6c53cd1b
  8. 0xb1547ef0f3fc2a4612f61bc7e12a01c9e0fbdbc7246f01dac8e50ed25b8fc3ff
  9. 0xe94d7f707d4adf6711a51bb9ab206051c7a08d643660328859f7a47b218ad643
  10. 0x4af637ad93b988fe64e96a6e50ca3aa29400b19cae5b542c13a7e49b02fec7a6
  11. 0x4a13cd2655a1d8b39528cfa63482483519544a5eb593623bd8ca3eb463e263b6
  12. 0x9c16024747eaca32d09963ccb001059f75dcd9bb8dfc221e5234d54d2b3388d9
  13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
  14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON