Evidence row 127114

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402stock.vercel.app/api/v1/treasury-yields"
    ]
  ],
  "name": "x402stock.vercel.app/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": "2026-10-08T06:26:51.048Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:26:50.857Z"
    },
    "resource": "https://x402stock.vercel.app/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":"7b6adaa9974e7f17d48a353c484f49f7639851ff5baae91a10b5a7b72149cded","id":127114,"kind":"listing","method":"baseline/1","observed_us":1793025637529143,"prev":null,"subject":"x402_bazaar:https://x402stock.vercel.app/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. 0xa1c4cfedb6e09b17ce86b4f152bc8b646c4a321982aa88d3813e77dda0c5bfdb
2. 0xe0d6de930734d9153c06b8f900a085e06fcb1cd20a16e2a4dfaaf63fd633d718
3. 0xba0877c828aa9b92d764ff0f9f514979fd1e5244586587ecfe9c18ad8f934d01
4. 0x9bb02aa3a224ae8e3338eeb17175f07bba2ac7abeec8cab3fa4da6263526f3d1
5. 0xce79d865036d77181aaf75467e54e145a94f1095ce47a06617ea288185ea65db
6. 0x8217933825cf9649dde01453f84280e4d7d7ef296cd20403e9dc5e954ed28053
7. 0xedee4e03630cd7c716b612b0b49b30e284d0e67e675127b5fb210275344e7be6
8. 0x4211677b07c6760e313374125ec1cc29b609e7dcfaecbb88aa514524c6812048
9. 0x3977c977191cf3ef1caf8318d813f4839d1c2bf747123c253c44690bd7a4b0c9
10. 0xb3f8079d3f950c3f93c2829ed52d6d83dba720fdb1aef8897303edba370e9d0f
11. 0x9ca444fcd24e94bee95de2e8d69f385e59ecdaff6c1b017632bff037809c381b
12. 0x95576cc3dd18642c859f679cefa1cf80bfc6c690b065916c3585b14e8ef4b1b3
13. 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae