Evidence row 2201993

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://derivatives.x402tookit.com/perp-listing"
    ]
  ],
  "name": "Perp Derivatives Signals",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Is a coin a live Hyperliquid perp? Listed, delisted or isolated-only, with max leverage and size precision.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "coin": "BTC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T01:05:08.383Z",
              "coin": "BTC",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "isDelisted": false,
              "marginTableId": 56,
              "maxLeverage": 40,
              "notChecked": [
                "spot listings",
                "other venues",
                "…1 more"
              ],
              "onlyIsolated": false,
              "reasons": [
                "Active contract with cross margin available."
              ],
              "sizeDecimals": 5,
              "source": "Hyperliquid metaAndAssetCtxs",
              "sourceUrl": "https://api.hyperliquid.xyz/info",
              "summary": "BTC is listed on Hyperliquid with max leverage 40x.",
              "verdict": "LISTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "coin": {
                      "description": "Ticker to check, e.g. PEPE, kPEPE, BTC",
                      "type": "string"
                    }
                  },
                  "required": [
                    "coin"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "coin": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "isDelisted": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "marginTableId": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "maxLeverage": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "onlyIsolated": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "sizeDecimals": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "sourceUrl": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:48:33.828Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:48:33.658Z"
    },
    "resource": "https://derivatives.x402tookit.com/perp-listing",
    "serviceName": "Perp Derivatives Signals",
    "tags": [
      "perps",
      "listing",
      "crypto"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Is a coin a live Hyperliquid perp? Listed, delisted or isolated-only, with max leverage and size precision."
}

What the leaf hashes

{"body":"8ba74f8e84638195653056cee690ab26ec0e981c5acf7cbd1424d0e21d6258af","id":2201993,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811264791,"prev":null,"subject":"x402_bazaar:https://derivatives.x402tookit.com/perp-listing","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x053b3cec15f6630a6f89dd3ff0e34128c6b0ef47d88294a30e00e8afa56940df
2. 0x8c39acc592a7875d026f51a9dfbf026c0bb19386d7dd00e85ede2cf909e7637d
3. 0x6f1c792aee2c2f6f1bdea9af43f7bcc3f5355ce0ed14858b02a0f02c35fe4a4c
4. 0x7558db5f663b2a0533a8b8a5e4544f925e74e450c4610f3ddfbd7d0e454d64f2
5. 0xc7b2e5a1bac4490e86db1501c50e9f167db2fd4ac038f6f3b68228b2e0a0d4e0
6. 0x08a1bf9a0cb96ba6ac8b32a646489d961fe56690d24bb0ef13f2c4f319a2687c
7. 0xcc03b30a9fad86db6ca4549fa8afd06df968727fd1d49c33c15763574de17db5
8. 0x0e09e7462af39f6fbba1c463696dd262c91221f16fe0cf1865a429ca97481376
9. 0xc27d00c94a4cefb315dc400189ae26b14f227a130a2e7a8f0c16736770103f53
10. 0x8e23f6c876071bca8555772f95c068c3d0cffd043c35c055829e5057e409436c
11. 0x26b707b3f5e28878f757afd1160f6d819103b99cb29c9a6512b4f6db55462922
12. 0x0aa954f5db495a61a9f2c9a29bad626fca6816d6a493be53cfa80c4c49e4ee33
13. 0x09c4d50cc90ae90d0e870f84d23642d3d078e94f56d566d69c068b9edb2aec5c
14. 0x66ec51993542849e8bb0ec95d77eba3d6a82a6a4fd1696c4d0ddbb7a693845aa
15. 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af