Evidence row 63887

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.x402stock.xyz/zcj/3qg92ca4l21d/api/v1/treasury-yields"
    ]
  ],
  "name": "x402stock",
  "owner_address": "0xfdb4b511f6ae1f270776e500b3360217d5e7ed03",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "billing": {
            "description": "amount is the price and is charged in full when you pay, and is not returned if delivery fails: this rail settles once and cannot give change. (Exact entries appear only on fixed-price requests - ceiling-priced requests are offered the reserve-and-pay-actual entry instead.)",
            "model": "prepaid"
          },
          "name": "USD Coin",
          "version": "2",
          "zeroclick": {
            "agentPaymentId": "apay_T0eCiKnI59nyaGM83EuVn",
            "kind": "transaction",
            "zcRequestId": "zcreq_IBvKwF9ct_5ZMcdPGFsNt"
          }
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xfdb4b511f6ae1f270776e500b3360217d5e7ed03",
        "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": {},
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "limit": {
                      "default": 1,
                      "exclusiveMinimum": 0,
                      "maximum": 250,
                      "type": "integer"
                    },
                    "year": {
                      "maximum": 2100,
                      "minimum": 1990,
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "terms": {
        "info": {
          "links": [
            {
              "kind": "platform_terms_of_service",
              "url": "https://www.zeroclick.ai/legal/buyer-terms-of-service"
            }
          ],
          "note": "By paying this challenge, whether directly or through an agent acting on your behalf, you accept the platform's buyer terms of service; an agent's payment and acceptance are attributed to you and bind you as if you had taken them yourself."
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "links": {
              "items": {
                "properties": {
                  "kind": {
                    "enum": [
                      "terms_of_service",
                      "privacy_policy",
                      "additional_terms",
                      "platform_terms_of_service"
                    ],
                    "type": "string"
                  },
                  "url": {
                    "type": "string"
                  }
                },
                "required": [
                  "kind",
                  "url"
                ],
                "type": "object"
              },
              "type": "array"
            },
            "note": {
              "type": "string"
            }
          },
          "required": [
            "links"
          ],
          "type": "object"
        }
      },
      "zeroclick": {
        "info": {
          "payment": {
            "amountUsd": "0.010000",
            "id": "apay_T0eCiKnI59nyaGM83EuVn"
          },
          "requestId": "zcreq_IBvKwF9ct_5ZMcdPGFsNt",
          "service": "us-macro-rates"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "agentId": {
              "type": "string"
            },
            "payment": {
              "properties": {
                "amountUsd": {
                  "type": "string"
                },
                "id": {
                  "type": "string"
                }
              },
              "required": [
                "id",
                "amountUsd"
              ],
              "type": "object"
            },
            "requestId": {
              "type": "string"
            },
            "service": {
              "type": "string"
            }
          },
          "required": [
            "payment"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-05T16:46:02.114Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-05T16:46:01.469Z"
    },
    "resource": "https://agents.x402stock.xyz/zcj/3qg92ca4l21d/api/v1/treasury-yields",
    "serviceName": "x402stock",
    "tags": [
      "market-data",
      "stocks",
      "crypto",
      "macro",
      "options"
    ],
    "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":"4e8b7f70a9af0722bc40634775ec837d8d03718b62a2cefbfc4b80b7ee8446ea","id":63887,"kind":"listing","method":"baseline/1","observed_us":1793025455754176,"prev":null,"subject":"x402_bazaar:https://agents.x402stock.xyz/zcj/3qg92ca4l21d/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. 0x8df622143f1c49e7612e463b2ab57b54ea541a11481b0abe76fcb09f0955be7a
2. 0x000dc72686eecbbb5168d6ac88881d23c4ed60cfb8fde5d560e7e3c3f9c5b6ff
3. 0x3326ab4d9be789d4f08dd986d2083a8577ade3c7ebb362aedbfea1d10d9e0b4f
4. 0xf8dd77042c3509e74fca66ca4243b6560cbf43100d010ded68751e5fc988614e
5. 0x3fbbfd789dd20586cd5d393f624a29bf992f3f1fcdafbb2111dd133a4ee6b90c
6. 0x97576c6cfbff02f2f0be6634905b97859b050fed9abf84fb8539e599c52e4046
7. 0x4b90b4e0c23e1ce73f6809abff521b576b1a1ac7939a89e290de5118f1dd4d36
8. 0x9c7ab549d5d229cfacfdb284e94a6002fefcd4eef2dadbbb6e5de873ded26927
9. 0xfa1089efbaaf14bb6cca5710e78195acc1ddc9216d361c9935c5eaf75bbf60c6
10. 0xcd309087e391a4bbf7ab28b9f7073de601c743989827ee9f4afe481b1c005fc6
11. 0x6880847de0a4b4b8c14408244df84ff11ac20d4049a575846d0700a7a91132ca
12. 0x59a4efa65a01e4e2abdb3b8b7bb673db6d1c72e0f9d52dd2f94777b14a5b061c
13. 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae