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Evidence row 76980

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://kronos.forgemesh.io/api/kronos/forecast
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c2d7662e269d7aee74d7a77eb869ac34528cb1009d4c9f0f3ecd5fe08c6c6b68
Leaf
0x7082e1b8e5c3da582057b165155c9d30be5c324ba059e65d425ef4f3956e64c8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kronos.forgemesh.io/api/kronos/forecast"
    ]
  ],
  "name": "kronos.forgemesh.io/api/kronos/forecast",
  "owner_address": "0x1ccef327b34853f6ac51464ea47fb3c291328d5e",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 1800,
        "network": "eip155:8453",
        "payTo": "0x1CcEf327b34853f6aC51464eA47fb3c291328D5E",
        "scheme": "exact"
      }
    ],
    "description": "Returns a conformally-calibrated range_80 price interval (~80% empirical coverage) plus current_price and upside_probability for BTC, ETH, SOL, XRP, and ADA — use the range for planning instead of a single point prediction. Typical agent tasks: get a 24h Bitcoin price range, check Ethereum upside probability before a trade decision, pull confidence bands for a risk model, or compare forecast width across symbols. Fresh continuously, USDC on Base mainnet via x402.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbol": "BTC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "current_price": 61234.5,
              "direction_calibration": {
                "base_rate": 0.49,
                "held_out": {
                  "brier_base_rate": 0.25,
                  "brier_calibrated": 0.25,
                  "brier_raw": 0.34
                },
                "information": "none"
              },
              "horizon": "~5h",
              "range_80": {
                "coverage_target": 0.8,
                "empirical_coverage_recent": 0.81,
                "high": 62806,
                "low": 60275,
                "method": "conformal",
                "n_recent": 2000
              },
              "raw_upside_probability": 0.88,
              "symbol": "BTC/USD",
              "upside_probability": 0.49,
              "why_not_high": [
                "The calibrated interval is designed for approximate coverage, not certainty; some realized prices can still land outside the range."
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "symbol": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "range_80": {
                      "type": "object"
                    },
                    "symbol": {
                      "type": "string"
                    },
                    "upside_probability": {
                      "type": "number"
                    },
                    "why_not_high": {
                      "type": "array"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "eip712",
              "payload": {
                "amount": "50000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "network": "eip155:8453",
                "payTo": "0x1CcEf327b34853f6aC51464eA47fb3c291328D5E",
                "resourceUrl": "https://kronos.forgemesh.io/api/kronos/forecast",
                "scheme": "exact",
                "validUntil": 1792507632,
                "version": 1
              },
              "signature": "0x3db6825474e277919dab20b3418a24e9a745c81ba9ef7184a55b5fa38da618d250923e4cdaf681fc8ee6132b5f5082bfcfde1671bf505a3b014d141096d519cf1b"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "offers": {
              "items": {
                "properties": {
                  "acceptIndex": {
                    "type": "integer"
                  },
                  "format": {
                    "type": "string"
                  },
                  "payload": {
                    "properties": {
                      "amount": {
                        "type": "string"
                      },
                      "asset": {
                        "type": "string"
                      },
                      "network": {
                        "type": "string"
                      },
                      "payTo": {
                        "type": "string"
                      },
                      "resourceUrl": {
                        "type": "string"
                      },
                      "scheme": {
                        "type": "string"
                      },
                      "validUntil": {
                        "type": "integer"
                      },
                      "version": {
                        "type": "integer"
                      }
                    },
                    "required": [
                      "version",
                      "resourceUrl",
                      "scheme",
                      "network",
                      "asset",
                      "payTo",
                      "amount"
                    ],
                    "type": "object"
                  },
                  "signature": {
                    "type": "string"
                  }
                },
                "required": [
                  "format",
                  "signature"
                ],
                "type": "object"
              },
              "type": "array"
            }
          },
          "required": [
            "offers"
          ],
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-20T14:42:12.632Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-20T14:42:12.302Z"
    },
    "resource": "https://kronos.forgemesh.io/api/kronos/forecast",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Returns a conformally-calibrated range_80 price interval (~80% empirical coverage) plus current_price and upside_probability for BTC, ETH, SOL, XRP, and ADA — use the range for planning instead of a single point prediction. Typical agent tasks: get a 24h Bitcoin price range, check Ethereum upside probability before a trade decision, pull confidence bands for a risk model, or compare forecast width across symbols. Fresh continuously, USDC on Base mainnet via x402."
}

What the leaf hashes

{"body":"c2d7662e269d7aee74d7a77eb869ac34528cb1009d4c9f0f3ecd5fe08c6c6b68","id":76980,"kind":"listing","method":"baseline/1","observed_us":1793025493199974,"prev":null,"subject":"x402_bazaar:https://kronos.forgemesh.io/api/kronos/forecast","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. 0x70820da8d43a1d99766e8c3f21035101987addae68b8386e5cdde36280a064d1
  2. 0x7f90facf16a6bf85675bf826416f7688b68633c1b2adc6f51cfb0898630f8af2
  3. 0xc84d5df6b37114d0e964826b21502a60c7d062d8fcdc4124018e8c59334fffa3
  4. 0xe2d8fea4c1bb7b1cfcc946d3b6045072c13ba34097a0f5d1ec679a8beabdf00d
  5. 0xe7283a72a45320dc7c84d863ce07c1bb651351a2aa62a4f4e5e65aa55591e1c9
  6. 0x526a462222dcd8ccc0bf5dfeaf3d8abb342251fa40ebb5fd8e8733d507ae6ed5
  7. 0x0dc5c8e8169481c1df7db0c5e6dc9cb2ddb4bdf9f71c730e4cf6acfd8272f0a5
  8. 0x03eba2f0befde58c94c66f2e768df4a8aa0568408d9b518b5856cdc863ed4bde
  9. 0x32d4c61247489d4bffcd3bb78f5797a4c184b5cf7bd748c7188058b762f346c0
  10. 0x3801dc224ee69349c6fe3a8804f83a6392c51dbf385196ccaca4e1bc01124391
  11. 0x85ea4bbb5113622e4aa66d1805aad88594922ba95c70691ba980547dd9edd2b2
  12. 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
  13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
  14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
  15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON