Evidence row 1262198

Observed 30 Oct 2026, 18:38 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://kr-x402-mvp.kgy5612.workers.dev/crypto/hl-book
Recorded: 30 Oct 2026, 18:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: d7aeaf1aa071b375a40e880c900efc632e66400c9745de910874ac8f0af7f848
Leaf: 0xc7165f23f8240217aaca9b07d200f109fc3fe97066947ad98fd947e7b1f23f7e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kr-x402-mvp.kgy5612.workers.dev/crypto/hl-book"
    ]
  ],
  "name": "Crypto Microdata for Agents",
  "owner_address": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe4be4d0bd82d8e68203deff81f79ede0529f2617",
        "scheme": "exact"
      }
    ],
    "description": "Hyperliquid perp L2 top-of-book for coin=BTC|ETH|SOL: best bid/ask, mid, spread_bps, top N levels (depth=1-20, default 5).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "coin": "BTC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asks": [
                {
                  "n": 3,
                  "px": 80861,
                  "sz": 0.8
                }
              ],
              "best_ask": 80861,
              "best_bid": 80860,
              "bids": [
                {
                  "n": 4,
                  "px": 80860,
                  "sz": 1.2
                }
              ],
              "coin": "BTC",
              "mid": 80860.5,
              "sources": [
                "https://api.hyperliquid.xyz/info"
              ],
              "spread_bps": 0.124,
              "updated_at": "2026-10-28T11:00:00Z",
              "venue": "hyperliquid"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "coin": {
                      "description": "Perp coin (default BTC)",
                      "enum": [
                        "BTC",
                        "ETH",
                        "SOL"
                      ],
                      "examples": [
                        "BTC",
                        "ETH",
                        "SOL"
                      ],
                      "type": "string"
                    },
                    "depth": {
                      "description": "Levels per side (default 5)",
                      "maximum": 20,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T01:32:30.113Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T01:32:29.993Z"
    },
    "resource": "https://kr-x402-mvp.kgy5612.workers.dev/crypto/hl-book",
    "serviceName": "Crypto Microdata for Agents",
    "tags": [
      "crypto",
      "hyperliquid",
      "perps",
      "orderbook",
      "trading"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Hyperliquid perp L2 top-of-book for coin=BTC|ETH|SOL: best bid/ask, mid, spread_bps, top N levels (depth=1-20, default 5)."
}

What the leaf hashes

{"body":"d7aeaf1aa071b375a40e880c900efc632e66400c9745de910874ac8f0af7f848","id":1262198,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385520537267,"prev":null,"subject":"x402_bazaar:https://kr-x402-mvp.kgy5612.workers.dev/crypto/hl-book","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).
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Day root: 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
Chained: 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
Published: On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861

How to check it · This row as JSON