Evidence row 126749

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.presenceoperations.com/services/carry-cost"
    ]
  ],
  "name": "x402.presenceoperations.com/services/carry-cost",
  "owner_address": "0x51edd63f074eab0b1ab94c7bcf8b1e3ad43f1d2f",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x51edd63F074EaB0b1AB94c7BCf8b1e3aD43F1D2f",
        "scheme": "exact"
      }
    ],
    "description": "What it costs to hold a perpetual position: the venue's current hourly funding signed for your side, projected over your horizon in your own units, with the mark-to-oracle basis, open interest, and the assumption behind the projection stated rather than implied.",
    "extensions": {
      "bazaar": {
        "category": "market-data",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "hours": 8,
              "market": "BTC-PERP",
              "notional": 1000,
              "side": "LONG"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "annualisedRateBasisPoints": 0,
              "assumption": "",
              "basisBasisPoints": 0,
              "detail": "",
              "direction": "",
              "fundingPerHour": "",
              "hourlyFundingRate": "",
              "hours": 0,
              "markPrice": "",
              "market": "",
              "notional": 0,
              "observedAt": "",
              "openInterest": "",
              "oraclePrice": "",
              "projectedFundingOverHorizon": "",
              "side": ""
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "hours": {
                      "default": "8",
                      "description": "the holding horizon to project over; bounded because funding resets hourly and a projection past a month is a number with the shape of an answer and none of the content",
                      "maximum": 720,
                      "minimum": 1,
                      "type": "number"
                    },
                    "market": {
                      "description": "the perpetual market to price the carry of, upper-cased before matching, for example BTC-PERP",
                      "pattern": "^[A-Z0-9]{1,16}-PERP$",
                      "type": "string"
                    },
                    "notional": {
                      "description": "the position size to price the funding on, in quote currency",
                      "maximum": 100000000,
                      "minimum": 1,
                      "type": "number"
                    },
                    "side": {
                      "default": "LONG",
                      "description": "which side of the funding you are on; the two answers have opposite signs, so anything outside LONG or SHORT is refused rather than read as the default",
                      "enum": [
                        "LONG",
                        "SHORT"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "market",
                    "notional"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-21T23:19:41.873Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-21T23:19:41.409Z"
    },
    "resource": "https://x402.presenceoperations.com/services/carry-cost",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "What it costs to hold a perpetual position: the venue's current hourly funding signed for your side, projected over your horizon in your own units, with the mark-to-oracle basis, open interest, and the assumption behind the projection stated rather than implied."
}

What the leaf hashes

{"body":"564b28f8113124c92128710ddc501371979921475dd29ee29d878f754b3014ea","id":126749,"kind":"listing","method":"baseline/1","observed_us":1793025636004156,"prev":null,"subject":"x402_bazaar:https://x402.presenceoperations.com/services/carry-cost","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. 0x93c0e1f9aba117108e098f2cd123f6d7c8f376d273af5576069be494ce18e4b7
2. 0x9693d131836cdd8acf6b3937573feb949f51136118a149acf6e8381a848065f6
3. 0x1c4e246bb5d4c10cd0f9bd5b7a860cd843c029486bb36587058cb60bc0f1c619
4. 0x1aa6d4730fbe366ddf20432c3184aab8bba7a69152d7ebb812548340c0d0fe8b
5. 0xc19b4ccc65dafa1d637f5ef8a073fc8057fcfae8463c1d4ed9ceeab3104ec1f6
6. 0x6a3ea3ca3d39c9b2db024773aa33ab573d594365efdfb55830d8a52e9df039ef
7. 0xaac407881c70639f0dfb559023e1281d7ee58585c1a01114550be8dbe9279f17
8. 0xf364f90be7ec6637327a76b3f15eb782a638e09ce8d92b04237c08621140725a
9. 0x73887d9db468ce8d035622c758f02d239de6ddda029fca8d8aedf7f0dcf5bf65
10. 0x1452bac1c16ed1a13fd24d016370307a5402f74d73cad5641a5508fdb4d2c5cb
11. 0xcd52656344e352446858a7d55feb9336b07dd3ad98715c122aaf69d4eb3d6ca8
12. 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae