addrbookFor publishers
← The evidence ledger

Evidence row 125149

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://x402-factory.com/v1/econ/fed-funds
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7c855144f530fe5465a85c511ba028077d7948feda8b7700584b3a1b3ff13a74
Leaf
0x81958ca3916e8efb0405bc0641c296280204c2057a47801a6421db0355a94a79

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-factory.com/v1/econ/fed-funds"
    ]
  ],
  "name": "x402-factory",
  "owner_address": "0xcc42ed39a06b6cf3f484307ef76b88bf56fb305f",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xCc42Ed39a06b6cF3f484307eF76B88Bf56Fb305f",
        "scheme": "exact"
      }
    ],
    "description": "Effective fed funds rate (Fed, monthly): latest print, revisions, surprise — Latest Effective fed funds rate print from the Fed via FRED/ALFRED: first-release vs latest value with a revised flag (revisions never pose as print-day numbers), surprise vs a labeled expectation (market-implied when a matching prediction market exists, else trend-model), next monthly release date, and a 12-observation…",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "fred_id": "FEDFUNDS",
                "frequency": "Monthly",
                "latest_print": {
                  "first_release_value": 3.63,
                  "first_released_on": "2026-08-03",
                  "headline": 3.63,
                  "headline_basis": "first release level",
                  "headline_units": "%",
                  "latest_value": 3.63,
                  "obs_date": "2026-07-01",
                  "revised": false
                },
                "next_release_date": "2026-11-27",
                "recent": [
                  {
                    "obs_date": "2025-08-01",
                    "value": 4.33
                  },
                  {
                    "obs_date": "2025-09-01",
                    "value": 4.22
                  },
                  {
                    "obs_date": "2025-10-01",
                    "value": 4.09
                  },
                  {
                    "obs_date": "2025-11-01",
                    "value": 3.88
                  },
                  {
                    "obs_date": "2025-12-01",
                    "value": 3.72
                  },
                  {
                    "obs_date": "2026-01-01",
                    "value": 3.64
                  },
                  {
                    "obs_date": "2026-02-01",
                    "value": 3.64
                  },
                  {
                    "obs_date": "2026-03-01",
                    "value": 3.64
                  },
                  {
                    "obs_date": "2026-04-01",
                    "value": 3.64
                  },
                  {
                    "obs_date": "2026-05-01",
                    "value": 3.63
                  },
                  {
                    "obs_date": "2026-06-01",
                    "value": 3.63
                  },
                  {
                    "obs_date": "2026-07-01",
                    "value": 3.63
                  }
                ],
                "release_name": "H.15 Selected Interest Rates",
                "revisions": [],
                "series": "fed-funds",
                "source_agency": "Board of Governors of the Federal Reserve System (US)",
                "surprise": {
                  "actual": 3.63,
                  "expectation_detail": "trend-model: naive (prior level)",
                  "expectation_source": "trend-model",
                  "expected": 3.63,
                  "surprise": 0
                },
                "title": "Effective Federal Funds Rate",
                "units": "Percent"
              },
              "meta": {
                "data_mode": "live",
                "docs": "https://x402-factory.com/docs/econ.series.fed-funds",
                "endpoint": "/v1/econ/fed-funds",
                "freshness": "daily",
                "generated_at": "2026-10-15T19:55:24.776Z",
                "request_id": "req_00000000",
                "sources": [
                  "fred"
                ],
                "version": "1.0.0"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "additionalProperties": false,
                      "properties": {
                        "fred_id": {
                          "type": "string"
                        },
                        "frequency": {
                          "type": "string"
                        },
                        "latest_print": {
                          "additionalProperties": false,
                          "properties": {
                            "first_release_value": {
                              "type": "number"
                            },
                            "first_released_on": {
                              "anyOf": [
                                {
                                  "type": "string"
                                },
                                {
                                  "type": "null"
                                }
                              ]
                            },
                            "headline": {
                              "type": "number"
                            },
                            "headline_basis": {
                              "type": "string"
                            },
                            "headline_units": {
                              "type": "string"
                            },
                            "latest_value": {
                              "type": "number"
                            },
                            "obs_date": {
                              "type": "string"
                            },
                            "revised": {
                              "type": "boolean"
                            }
                          },
                          "required": [
                            "obs_date",
                            "headline",
                            "headline_units",
                            "headline_basis",
                            "first_release_value",
                            "latest_value",
                            "revised",
                            "first_released_on"
                          ],
                          "type": "object"
                        },
                        "next_release_date": {
                          "anyOf": [
                            {
                              "type": "string"
                            },
                            {
                              "type": "null"
                            }
                          ]
                        },
                        "next_release_expectation": {
                          "additionalProperties": false,
                          "properties": {
                            "expected": {
                              "type": "number"
                            },
                            "market_p": {
                              "type": "number"
                            },
                            "question": {
                              "type": "string"
                            },
                            "slug": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "expected",
                            "slug",
                            "market_p",
                            "question"
                          ],
                          "type": "object"
                        },
                        "recent": {
                          "items": {
                            "additionalProperties": false,
                            "properties": {
                              "obs_date": {
                                "type": "string"
                              },
                              "value": {
                                "type": "number"
                              }
                            },
                            "required": [
                              "obs_date",
                              "value"
                            ],
                            "type": "object"
                          },
                          "type": "array"
                        },
                        "release_name": {
                          "type": "string"
                        },
                        "revisions": {
                          "items": {
                            "additionalProperties": false,
                            "properties": {
                              "first_value": {
                                "type": "number"
                              },
                              "latest_value": {
                                "type": "number"
                              },
                              "obs_date": {
                                "type": "string"
                              }
                            },
                            "required": [
                              "obs_date",
                              "first_value",
                              "latest_value"
                            ],
                            "type": "object"
                          },
                          "type": "array"
                        },
                        "series": {
                          "type": "string"
                        },
                        "source_agency": {
                          "type": "string"
                        },
                        "surprise": {
                          "anyOf": [
                            {
                              "additionalProperties": false,
                              "properties": {
                                "actual": {
                                  "type": "number"
                                },
                                "comparable_market": {
                                  "additionalProperties": false,
                                  "properties": {
                                    "market_p": {
                                      "type": "number"
                                    },
                                    "question": {
                                      "type": "string"
                                    },
                                    "slug": {
                                      "type": "string"
                                    }
                                  },
                                  "required": [
                                    "slug",
                                    "market_p",
                                    "question"
                                  ],
                                  "type": "object"
                                },
                                "expectation_detail": {
                                  "type": "string"
                                },
                                "expectation_source": {
                                  "enum": [
                                    "market-implied",
                                    "trend-model"
                                  ],
                                  "type": "string"
                                },
                                "expected": {
                                  "type": "number"
                                },
                                "surprise": {
                                  "type": "number"
                                }
                              },
                              "required": [
                                "actual",
                                "expected",
                                "surprise",
                                "expectation_source",
                                "expectation_detail"
                              ],
                              "type": "object"
                            },
                            {
                              "type": "null"
                            }
                          ]
                        },
                        "surprise_note": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "units": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "series",
                        "fred_id",
                        "title",
                        "source_agency",
                        "release_name",
                        "units",
                        "frequency",
                        "latest_print",
                        "surprise",
                        "next_release_date",
                        "recent",
                        "revisions"
                      ],
                      "type": "object"
                    },
                    "meta": {
                      "type": "object"
                    }
                  },
                  "required": [
                    "data",
                    "meta"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-18T14:04:30.683Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-18T14:04:30.517Z"
    },
    "resource": "https://x402-factory.com/v1/econ/fed-funds",
    "serviceName": "x402-factory",
    "tags": [
      "econ",
      "fed-funds",
      "fred",
      "macro"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Effective fed funds rate (Fed, monthly): latest print, revisions, surprise — Latest Effective fed funds rate print from the Fed via FRED/ALFRED: first-release vs latest value with a revised flag (revisions never pose as print-day numbers), surprise vs a labeled expectation (market-implied when a matching prediction market exists, else trend-model), next monthly release date, and a 12-observation…"
}

What the leaf hashes

{"body":"7c855144f530fe5465a85c511ba028077d7948feda8b7700584b3a1b3ff13a74","id":125149,"kind":"listing","method":"baseline/1","observed_us":1793025625853920,"prev":null,"subject":"x402_bazaar:https://x402-factory.com/v1/econ/fed-funds","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. 0x819568231959746b31d1778e0c735ce2341d92d854435b6cd43c14493bb1a135
  2. 0xd0d94234c30fa89fc1067da98d5d75ab3b58d973af40d0885c7df26c9e24f4d2
  3. 0x5aea24a249336218ac7122883615fb15a85651bc89a3e537701f43e97c5fb03e
  4. 0xf062b4e459945997c2145d40a6b369995573b857daa399a3ea68060fd44dc470
  5. 0xe83514621250bc255a446fe9a2ccba54b51ac37fe8248cf80b4c217f097e1f14
  6. 0x43c818df25d7fb31d851803d7bf130466f7c146769f625d8e0b75f0b44dc4342
  7. 0xc0c30c7d140a21bab8c9750e295f065fcf74a41493636d0a379e8c76c942e05e
  8. 0x8e6e421fe1023860b62a97c183408003e65e8f73e99bc36965ac8553da35d891
  9. 0x5867d35f24bc5f98bf668501b7f9e3220fc345ee15adf4387406732818e220a2
  10. 0xbdc4a4c8cadfe346c042615305bf6ada497fa5128db30e977a80cb6245a189d3
  11. 0xb998e012b473bde18346485cd0b7b8b31ab48d5f22ba9bc660bb2e523161e255
  12. 0x08155d70132f82e370214fc5b72194dfa6f5e57670b7bcf74776e8418302897e
  13. 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
  14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
  15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON