Evidence row 49110

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402stock.xyz/api/v1/treasury-yields"
    ]
  ],
  "name": "x402stock.xyz/api/v1/treasury-yields",
  "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": "The daily US Treasury par yield curve (Constant Maturity Treasury rates) for every maturity from 1 month to 30 years, in percent. Defaults to the latest published day; pass `?limit=` for more recent days (max 250) and `?year=YYYY`. No ticker needed. Use for the risk-free rate, rate-sensitivity context, and yield-curve inversion in macro-aware analysis. From x402stock",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 1
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-05-29T00:00:00.000Z",
              "count": 1,
              "maturities": [
                "1mo",
                "1.5mo",
                "2mo",
                "3mo",
                "4mo",
                "6mo",
                "1yr",
                "2yr",
                "3yr",
                "5yr",
                "7yr",
                "10yr",
                "20yr",
                "30yr"
              ],
              "rates": [
                {
                  "date": "2026-05-29",
                  "rates": {
                    "1.5mo": 3.71,
                    "10yr": 4.19,
                    "1mo": 3.72,
                    "1yr": 3.47,
                    "20yr": 4.81,
                    "2mo": 3.66,
                    "2yr": 3.47,
                    "30yr": 4.86,
                    "3mo": 3.65,
                    "3yr": 3.55,
                    "4mo": 3.62,
                    "5yr": 3.74,
                    "6mo": 3.58,
                    "7yr": 3.95
                  }
                }
              ],
              "series": "daily_treasury_par_yield_curve",
              "source": "us_treasury",
              "unit": "percent"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "additionalProperties": false,
                  "properties": {
                    "limit": {
                      "default": 1,
                      "exclusiveMinimum": 0,
                      "maximum": 250,
                      "type": "integer"
                    },
                    "year": {
                      "maximum": 2100,
                      "minimum": 1990,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "limit"
                  ],
                  "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": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "count": {
                      "type": "number"
                    },
                    "maturities": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "rates": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "date": {
                            "type": "string"
                          },
                          "rates": {
                            "additionalProperties": {
                              "anyOf": [
                                {
                                  "type": "number"
                                },
                                {
                                  "type": "null"
                                }
                              ]
                            },
                            "propertyNames": {
                              "type": "string"
                            },
                            "type": "object"
                          }
                        },
                        "required": [
                          "date",
                          "rates"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "series": {
                      "type": "string"
                    },
                    "source": {
                      "const": "us_treasury",
                      "type": "string"
                    },
                    "unit": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "source",
                    "as_of",
                    "series",
                    "unit",
                    "maturities",
                    "count",
                    "rates"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T02:32:27.484Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-26T02:32:27.224Z"
    },
    "resource": "https://x402stock.xyz/api/v1/treasury-yields",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "The daily US Treasury par yield curve (Constant Maturity Treasury rates) for every maturity from 1 month to 30 years, in percent. Defaults to the latest published day; pass `?limit=` for more recent days (max 250) and `?year=YYYY`. No ticker needed. Use for the risk-free rate, rate-sensitivity context, and yield-curve inversion in macro-aware analysis. From x402stock"
}

What the leaf hashes

{"body":"9b1a9e54017c92274bb2521aeabef91112430d97ef89193ff7b0bd4353207a7b","id":49110,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025413227984,"prev":null,"subject":"x402_bazaar:https://x402stock.xyz/api/v1/treasury-yields","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. 0xa842580dbfe3db7aff83ef7a424b443abd37a0e2b0377b054e5d24df94a0e7d7
2. 0xd1a823bd9ac75654c54fddab78e4b804509859f491172edfcb0b64d7d0d7d078
3. 0x16eadf005f14272151a172e5a39e648d8c013487057302d95f7dffb5bb49df35
4. 0xf83055c3efc2ad13ac49e7f95ebc5780b5735dcf3a9fdfb2847f98798a7d4492
5. 0xef8290def167c62a0cc4177638707ebafc1376a8481746f40b181b3b3fa48236
6. 0x7d4e89715b8b38e650b25281924cb11a6b51990697ec968e31a1bbed89400afc
7. 0xb41816a802b983c6d312ce98cdd323fa97eed2c86e6d574519d9ad7250500b05
8. 0xdbf2d81eb7b524405c187bf70dd628f05398cc5ea0f7f89fba9c84a373685326
9. 0x3e5ad40aa85cc0c4105dedc39cdabd65a2daf1f13ed77e390c751b640abfc547
10. 0xfd8f2e7fe993511f65aa0968b5038659340f72883448aed02c2c9b4bb27c71f9
11. 0xe5e83afe0ce08c2497f8492757a4767cf2409aaae2061487f80e1d45646872f8
12. 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae