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Evidence row 127142

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://x402stock.xyz/api/v1/gdp
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4e04d454dc1aac46c6ede5cca403264e460c4e79785ba8c4eaf537a04930e3c4
Leaf
0x1ef75f2f1dd74c5452708fbd4e966fbbc5714a194a5b8482c9c0d6ca737d43b6

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402stock.xyz/api/v1/gdp"
    ]
  ],
  "name": "x402stock.xyz/api/v1/gdp",
  "owner_address": "0x3070fbb3803819fb5bdfe9286fdc6325a877fa85",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x3070Fbb3803819fB5BdfE9286fdc6325A877fA85",
        "scheme": "exact"
      }
    ],
    "description": "US real Gross Domestic Product, quarterly, in billions of chained 2017 dollars (seasonally adjusted annual rate), with the latest reading, prior quarter, quarter-over-quarter and year-over-year change, and recent history. No ticker needed. The broad measure of economic output for macro-aware analysis. Sourced from the St. Louis Fed (FRED). From x402stock",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-01-01T00:00:00.000Z",
              "change": 122.3,
              "change_percent": 0.52,
              "frequency": "quarterly",
              "history": [
                {
                  "date": "2026-01-01",
                  "value": 23512.4
                }
              ],
              "latest": {
                "date": "2026-01-01",
                "value": 23512.4
              },
              "prior": {
                "date": "2025-10-01",
                "value": 23390.1
              },
              "series_id": "GDPC1",
              "source": "fred",
              "title": "Real Gross Domestic Product",
              "unit": "billions_of_chained_2017_usd_saar",
              "yoy_percent": 2.4
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "additionalProperties": false,
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "change": {
                      "anyOf": [
                        {
                          "type": "number"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "change_percent": {
                      "anyOf": [
                        {
                          "type": "number"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "frequency": {
                      "type": "string"
                    },
                    "history": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "date": {
                            "type": "string"
                          },
                          "value": {
                            "type": "number"
                          }
                        },
                        "required": [
                          "date",
                          "value"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "latest": {
                      "anyOf": [
                        {
                          "additionalProperties": false,
                          "properties": {
                            "date": {
                              "type": "string"
                            },
                            "value": {
                              "type": "number"
                            }
                          },
                          "required": [
                            "date",
                            "value"
                          ],
                          "type": "object"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "prior": {
                      "anyOf": [
                        {
                          "additionalProperties": false,
                          "properties": {
                            "date": {
                              "type": "string"
                            },
                            "value": {
                              "type": "number"
                            }
                          },
                          "required": [
                            "date",
                            "value"
                          ],
                          "type": "object"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "series_id": {
                      "type": "string"
                    },
                    "source": {
                      "const": "fred",
                      "type": "string"
                    },
                    "title": {
                      "type": "string"
                    },
                    "unit": {
                      "type": "string"
                    },
                    "yoy_percent": {
                      "anyOf": [
                        {
                          "type": "number"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "source",
                    "as_of",
                    "series_id",
                    "title",
                    "unit",
                    "frequency",
                    "latest",
                    "prior",
                    "change",
                    "change_percent",
                    "yoy_percent",
                    "history"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:26:29.838Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:26:29.614Z"
    },
    "resource": "https://x402stock.xyz/api/v1/gdp",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "US real Gross Domestic Product, quarterly, in billions of chained 2017 dollars (seasonally adjusted annual rate), with the latest reading, prior quarter, quarter-over-quarter and year-over-year change, and recent history. No ticker needed. The broad measure of economic output for macro-aware analysis. Sourced from the St. Louis Fed (FRED). From x402stock"
}

What the leaf hashes

{"body":"4e04d454dc1aac46c6ede5cca403264e460c4e79785ba8c4eaf537a04930e3c4","id":127142,"kind":"listing","method":"baseline/1","observed_us":1793025637569422,"prev":null,"subject":"x402_bazaar:https://x402stock.xyz/api/v1/gdp","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. 0x1ef72e025b2697cd60cdb2d795383865ba00fa997b35cf5e7e96cd0cac3a89f0
  2. 0x49caadc3fc7c0fd0e219e77e7a8cd78f0dc34e79807d40fa0f9a3ecfd4fd8de4
  3. 0xbe29da19f035a7b0faa0dc339223e679abefa49f05bdda935b075d6747ae7c0e
  4. 0xaa37e93715ce4e7292f4c3adf1920c6e6a5dd8645c0a8c37f2ede98fa9bb358b
  5. 0x6b97da7122e3b5c87c2569ddfe89ed53b77b66f1bd4070e62ff66c951293fdf6
  6. 0x1459060e6386c4b40f2530874f6fa6600e09a402343bf3ee3f34e0fd7faf59d6
  7. 0x24620cd09f019845b822b0bac7bb3ff3ac24f147faa3eadde2612574ae8683ae
  8. 0xb12782d5d04c13e86edb6a887bb4b6f36fdb9211a42956f9ebc1bd5380963a45
  9. 0x5ea005b2aad9c8979e952e284f06300a28be249aa66535acf2907a3a6fa36ae0
  10. 0xef610ca79dfed4e1e00208e978a3a887d70d47190be682de5aa9a473137a32fe
  11. 0x3e9f4dee30700b7fef683685ce6c4e483a5869ff14413228fe9abfbaa1a7cd3c
  12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
  13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
  14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
  15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON