Evidence row 526742

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-gateway-production-1f21.up.railway.app/crypto/candles"
    ]
  ],
  "name": "x402-gateway-production-1f21.up.railway.app/crypto/candles",
  "owner_address": "0xf7eb4b12d673df433d76b2dbd9ca41db3fe1836e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 90,
        "network": "eip155:8453",
        "payTo": "0xF7Eb4b12D673dF433d76B2DBD9CA41Db3fE1836E",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "minDeposit": "50000",
          "name": "USD Coin",
          "receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
          "version": "2",
          "withdrawDelay": 900
        },
        "maxTimeoutSeconds": 90,
        "network": "eip155:8453",
        "payTo": "0xF7Eb4b12D673dF433d76B2DBD9CA41Db3fE1836E",
        "scheme": "batch-settlement"
      }
    ],
    "description": "Crypto OHLCV candles for autonomous trading and indicator pipelines. Supports 1m–1d bars and is designed for recurring refresh; poll again when the selected candle interval advances.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "granularity": 3600,
              "limit": 48,
              "product_id": "BTC-USD"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "status": "ready"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "end": {
                      "description": "Optional Unix end timestamp in seconds.",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "granularity": {
                      "description": "Candle width in seconds.",
                      "enum": [
                        60,
                        300,
                        900,
                        3600,
                        21600,
                        86400
                      ],
                      "type": "integer"
                    },
                    "limit": {
                      "description": "When start/end are omitted, target this many recent bars; default 100.",
                      "maximum": 300,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "product_id": {
                      "description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.",
                      "pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
                      "type": "string"
                    },
                    "start": {
                      "description": "Optional Unix start timestamp in seconds.",
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "product_id"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:16:34.504Z",
    "quality": {
      "l30DaysTotalCalls": 40,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-27T10:16:34.309Z"
    },
    "resource": "https://x402-gateway-production-1f21.up.railway.app/crypto/candles",
    "tags": [
      "crypto",
      "history",
      "candles",
      "ohlcv",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Crypto OHLCV candles for autonomous trading and indicator pipelines. Supports 1m–1d bars and is designed for recurring refresh; poll again when the selected candle interval advances."
}

What the leaf hashes

{"body":"0044478c28a83797a308e9aa96ac77708e6d44270fba984cff86e3684992b6c0","id":526742,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124791304627,"prev":451808,"subject":"x402_bazaar:https://x402-gateway-production-1f21.up.railway.app/crypto/candles","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xb2d674cd716704f3198afcb63583406f0c54994fd02e8da2c0ee2537b5f9fd09
2. 0x50fccd5aa1d00bb0f1b9cb0369d5b28e80df1d16da215f5b180ec0dbd7edd488
3. 0x409fda5944585e32c92807312a16542e979d8b0da6edd1dcbd1c033c87b88436
4. 0x054dc648bcb0ed8644e41eaf54fb18cbdcf18398e2fc2eb2f68be3daf157d288
5. 0x0c87937c9f02e0059b3c85af59378d9db8be69426f829a68b2600a81e6796239
6. 0x8a95c1460523e1c441d558a98c7ec566b509e245e1a52202a21ceb6166ae3ef8
7. 0xc1fbd875ae33a79bcdbec58caed8bcbdb95271499414a0d4bdf4461f70994172
8. 0xa3a831f5fe89410f574ab21ae00c80fe70099fb0a215ae537da8efc16a54d80a
9. 0x9faaedd7a6dc7ad1e051efb1d234ba70da6afcb5f9b6c355a31c1ce963d7a1a1
10. 0x43f5f5b91342d8fbe2a4fb09860af33f916d93ee8399148b8d5c0c0a41fbcbc5
11. 0x79cc7c9e2b6a0102e533effc5e9ae587186511d05cd4a98fa3783728f21ee868
12. 0x2d136d228d8bf54a46835cf3532884988271b7ca1e85edf2327300bd225d178e
13. 0xf1104ea7df082465ff9df25ed29be80a0ac7c1c6b25c289b5d2e6ae5e6331952
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4