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Evidence row 72910

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://cryptofeed402.site/oi/history/:symbol
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4904f1bed40797f926faf4ea471061a62a5695147ad77bbef6008d4da3da41aa
Leaf
0xc65474eaa5eb773963002f1a247fc64d95fcba446f3cd1adb5c1180b74e67e2f

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cryptofeed402.site/oi/history/:symbol"
    ]
  ],
  "name": "cryptofeed402.site/oi/history/:symbol",
  "owner_address": "0x93e4b468a88b1f084efc781ec7a1e2d195a40d22",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x93e4B468A88B1f084Efc781ec7A1E2D195a40D22",
        "scheme": "exact"
      }
    ],
    "description": "About-hourly open-interest history for one Hyperliquid main-dex perp (BTC, ETH, SOL, ... any listed coin): open interest in coins and USD, mark price and hourly funding per snapshot, plus change over the window. Hyperliquid has no public OI history, so these are cryptofeed402's own snapshots (8-day retention). hours=1-192, default 24. Bad params 400, unknown symbol 404, no history 503, no charge. Free sample at /samples/oi-history. $0.005 USDC per call on Base.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "symbol": "BTC"
            },
            "queryParams": {
              "hours": "24"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 2,
              "interval": "about 1h",
              "points": [
                {
                  "funding_hourly": 0.0000125,
                  "mark_px": 108100,
                  "open_interest_coins": 31000.5,
                  "open_interest_usd": 3351000000,
                  "time": "2026-10-23T14:02:00.000Z"
                },
                {
                  "funding_hourly": 0.0000118,
                  "mark_px": 108450,
                  "open_interest_coins": 31130.2,
                  "open_interest_usd": 3376000000,
                  "time": "2026-10-23T15:00:00.000Z"
                }
              ],
              "stats": {
                "change_pct": 0.42
              },
              "symbol": "BTC",
              "venue": "hyperliquid"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/oi/history/:symbol",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "symbol": {
                      "description": "Hyperliquid main-dex perp ticker, case-insensitive",
                      "pattern": "^[A-Za-z0-9]{1,20}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {
                    "hours": {
                      "description": "Last N hours, 1-192 (default 24)",
                      "pattern": "^[0-9]{1,3}$",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "coverage": {
                      "type": "object"
                    },
                    "points": {
                      "items": {
                        "properties": {
                          "funding_hourly": {
                            "type": "number"
                          },
                          "mark_px": {
                            "type": "number"
                          },
                          "open_interest_coins": {
                            "type": "number"
                          },
                          "open_interest_usd": {
                            "type": "number"
                          },
                          "time": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "stats": {
                      "type": "object"
                    },
                    "symbol": {
                      "type": "string"
                    },
                    "venue": {
                      "type": "string"
                    },
                    "window": {
                      "type": "object"
                    }
                  },
                  "required": [
                    "symbol",
                    "count",
                    "points"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792293388/bazaar-icons/98767f120c2f6858.png",
    "lastUpdated": "2026-10-23T16:35:56.963Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-23T16:35:56.669Z"
    },
    "resource": "https://cryptofeed402.site/oi/history/:symbol",
    "tags": [
      "open-interest",
      "historical-data",
      "perpetuals",
      "derivatives",
      "hyperliquid"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "About-hourly open-interest history for one Hyperliquid main-dex perp (BTC, ETH, SOL, ... any listed coin): open interest in coins and USD, mark price and hourly funding per snapshot, plus change over the window. Hyperliquid has no public OI history, so these are cryptofeed402's own snapshots (8-day retention). hours=1-192, default 24. Bad params 400, unknown symbol 404, no history 503, no charge. Free sample at /samples/oi-history. $0.005 USDC per call on Base."
}

What the leaf hashes

{"body":"4904f1bed40797f926faf4ea471061a62a5695147ad77bbef6008d4da3da41aa","id":72910,"kind":"listing","method":"baseline/1","observed_us":1793025486811872,"prev":null,"subject":"x402_bazaar:https://cryptofeed402.site/oi/history/:symbol","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. 0xc654b66455b04e448b5b50442e86e01d0f29ea10cc3f2259c10bc877c58bc0a5
  2. 0xc1d55ee1a386645545c26007e0947de3a7aeb2fb1c58eb98f2dd8befe27a459a
  3. 0xacd2003959fc24ccf1aad2caa0173ac059e71b0c4e75b9dab3d2644b784e9d91
  4. 0x0e62679ae08e4e8b82ea138c3a4c6b3c4bebef507bb20c331cf5060aa7ead253
  5. 0xe6419382c68daf221b628adce3c870782a068d6d5f2ac25f437b1cfb0c800f2f
  6. 0x9ba470177cd171aa04d30f48bf014f8096377f6c7d445160d156b07e918e2972
  7. 0xf22153e084f66d2e96b344fe9956ec5bc2337ea47245566a5a87bcc8c28d17d6
  8. 0x277ee33f5a53cc1d9400a7a6777960402a565fc52dea8cc2c1b79b280c1e686f
  9. 0x79b4b6922735bbc24ec16025e5520fde393f123baf39d59a4efed8975432b7ce
  10. 0x77833f2057f63ba21890736f404da58878f6b36427cb005b3298dae4d3753b74
  11. 0xcf79908a8c2a5f4d274583b3f75e7aa2d8b29ffc384541425852fe761ae31d56
  12. 0x9d99c5dad23613921cdfabc849c2dd3c97729992eaa05c4dab5e86e83ed6d220
  13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
  14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
  15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON