Evidence row 278582

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://perp-gap-api.perpgap.workers.dev/catalog/full"
    ]
  ],
  "name": "Perp Gap API",
  "owner_address": "0x2d82dcb9cc3a168d9ab25b62c1e33e278a51254f",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x2d82dcB9cC3a168d9Ab25b62C1E33E278A51254F",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5MoL8HNnvZUogGrqiF4T1StmAUpdU7ERA2GUJ7gLrEja",
        "scheme": "exact"
      }
    ],
    "description": "Use first to see which venues list a ticker and get the exact symbol before /quote, /funding or /gaps. Every stock perp and tokenized stock agents can trade: trade.xyz, Aster, Lighter and OKX perps plus xStocks and Ondo tokens (2,400+ markets), with venue, symbol or mint, underlying, type, live and tradable-now flags. Same data free at GET /catalog. Errors: 400 unknown venue, 402, 502. Data, not advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "group": "1",
              "ticker": "NVDA"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "generated_at": "2026-10-22T21:40:14.497Z",
              "note": "Grouped by ticker. Free. Data, not financial advice.",
              "tickers": [
                {
                  "markets": [
                    null
                  ],
                  "perp_venues": [
                    "hyperliquid-xyz"
                  ],
                  "ticker": "NVDA",
                  "token_venues": [
                    "xstocks-solana"
                  ],
                  "tradable_now": [
                    "hyperliquid-xyz"
                  ],
                  "type": "us_equity"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": true,
                  "properties": {
                    "format": {
                      "description": "Optional: json or csv.",
                      "enum": [
                        "json",
                        "csv"
                      ],
                      "type": "string"
                    },
                    "group": {
                      "description": "Optional: 1 = group by ticker.",
                      "enum": [
                        "1"
                      ],
                      "type": "string"
                    },
                    "instrument": {
                      "description": "Optional: perp or token.",
                      "enum": [
                        "perp",
                        "token"
                      ],
                      "type": "string"
                    },
                    "ticker": {
                      "description": "Optional comma-separated tickers.",
                      "type": "string"
                    },
                    "venue": {
                      "description": "Optional comma-separated venues (hyperliquid-xyz, aster, lighter, okx, xstocks-solana, ondo-gm).",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Error responses are JSON {error: string, hint?: string}. 400 unknown venue; 402 payment required; 502 storage error. Full field docs: /openapi.json.",
                  "properties": {
                    "count": {
                      "type": "number"
                    },
                    "generated_at": {
                      "type": "string"
                    },
                    "note": {
                      "type": "string"
                    },
                    "tickers": {
                      "type": "array"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T16:39:22.431Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 10,
      "lastCalledAt": "2026-10-26T16:39:21.637Z"
    },
    "resource": "https://perp-gap-api.perpgap.workers.dev/catalog/full",
    "serviceName": "Perp Gap API",
    "tags": [
      "Data",
      "Trading",
      "stocks",
      "perps",
      "tokenized-stocks"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use first to see which venues list a ticker and get the exact symbol before /quote, /funding or /gaps. Every stock perp and tokenized stock agents can trade: trade.xyz, Aster, Lighter and OKX perps plus xStocks and Ondo tokens (2,400+ markets), with venue, symbol or mint, underlying, type, live and tradable-now flags. Same data free at GET /catalog. Errors: 400 unknown venue, 402, 502. Data, not advice."
}

What the leaf hashes

{"body":"e5f9fa49f53d2f44adaff5e33ad6f5761b35698dfa6ed4b7720765dd394fcc9e","id":278582,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042077709062,"prev":265407,"subject":"x402_bazaar:https://perp-gap-api.perpgap.workers.dev/catalog/full","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. 0xe720eea71ef86114b3d496caa27bd7de43098e6ebd4c83dd37be3c6c7aedfb0c
2. 0x587343964ca4f4702b6b494b9b298e862736224ffe58aef7dbb5a1da1a5b469c
3. 0xc8dc47e306a7746bd50b7d2e7c4a1e8fa0e59f3e1a8f381c450a5575e32b0762
4. 0x6adfcc32b3c715c6fa9c1c2ea2906dc44b5b033a55d44a55fdfc1a02aa1a389f
5. 0x914925206bfa35c77d377668d5685ee6b85eb65cd804dc479c87412800f8489e
6. 0xeb6e8a36a691bb3e09bd96dd3fdee1ce4f33d57f6efad9b06c3933efaee63bee
7. 0xe584b0b0813ef47cc77535077f05d703e3a561d65a402bf57fcc0c96c6a21e52
8. 0xe36b587e8e38866333a640184d02040eaf776f5e6915370077c050daafff734d
9. 0x7ac3b0988445398aa46dab8c66370eba9af298b98f0fbd41fe2bb0ed965c3be1
10. 0x7deeb175e21dc795de5c6a6747c18815aec2ac086521557682cc9d301183bd2e
11. 0x59e039ae04bb13d1c4f6760e5371456ed0590ed6a27668ea3df8a519b5fd4655
12. 0xb866b513dd861c870688f5d1a8e434b170eaa2fafb0961d6a674d452b8e58381
13. 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae