Evidence row 63836

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.x402stock.xyz/api/v1/forex/:pair/prev-close"
    ]
  ],
  "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_jA7FO8OhvMOJOB0RRhyja",
            "kind": "transaction",
            "zcRequestId": "zcreq_OM4QZlmsjHDQUFS2ub8dF"
          }
        },
        "maxTimeoutSeconds": 1800,
        "network": "eip155:8453",
        "payTo": "0xfdb4b511f6ae1f270776e500b3360217d5e7ed03",
        "scheme": "exact"
      }
    ],
    "description": "Open, high, low, close, volume, and VWAP for a foreign-exchange pair's most recent completed trading day. Pass the pair in the path as BASE-QUOTE, e.g. EUR-USD. One call returns one bar for a quick prior-close reference. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "pair": "EUR-USD"
            },
            "queryParams": {},
            "type": "http"
          }
        },
        "routeTemplate": "/api/v1/forex/:pair/prev-close",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "pair": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "terms": {
        "info": {
          "links": [
            {
              "kind": "platform_terms_of_service",
              "url": "https://www.zeroclick.ai/legal/buyer-terms-of-service"
            }
          ],
          "note": "By paying this challenge, whether directly or through an agent acting on your behalf, you accept the platform's buyer terms of service; an agent's payment and acceptance are attributed to you and bind you as if you had taken them yourself."
        },
        "schema": {
          "$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_jA7FO8OhvMOJOB0RRhyja"
          },
          "requestId": "zcreq_OM4QZlmsjHDQUFS2ub8dF",
          "service": "global-fx-commodities"
        },
        "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": "2026-10-19T12:22:05.287Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-19T12:22:04.644Z"
    },
    "resource": "https://agents.x402stock.xyz/api/v1/forex/:pair/prev-close",
    "serviceName": "x402stock",
    "tags": [
      "market-data",
      "stocks",
      "crypto",
      "macro",
      "options"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Open, high, low, close, volume, and VWAP for a foreign-exchange pair's most recent completed trading day. Pass the pair in the path as BASE-QUOTE, e.g. EUR-USD. One call returns one bar for a quick prior-close reference. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402."
}

What the leaf hashes

{"body":"494f9caf7654178be232e673d0265483fa316c980a2bc1ea32ac27af05f356a2","id":63836,"kind":"listing","method":"baseline/1","observed_us":1793025455688370,"prev":null,"subject":"x402_bazaar:https://agents.x402stock.xyz/api/v1/forex/:pair/prev-close","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. 0x2839429eff902111a4c7751bb04ce3c2095b610fe326f64bb6808d607e7e08fd
2. 0x341e5f843fce9c863bf6fb8355eaee54fd0f71f77f7a35b12b33182b5bd511a2
3. 0x1754399d6a1ddd57b631e57d111e6146db68f38db5160b0e281937f89b2e7065
4. 0xd4feee32b4f960e22f2ec7966a206b246a8b8c5a2844dab0cf05b2ec9f13b0ec
5. 0xc6bcf8f6b8b902269b441ab8df258f56b5d3ee10a497d806b62d23a5380d1702
6. 0xbd9be3424eeed9296ab3a42cdf994feb1bab773f9463cb1b16d095f57dc7deab
7. 0x316d85f6872ea1cb75247344b610b054597af48402e28127980fd6f172db94f1
8. 0x0cac57b47d23f4b755c3e34ce375b1c285bde5ba12770464232ca4a571ad171c
9. 0x765a547b33e6c90dd78128b1c845297e1ccd846bd7b52128ae52c9e5830c32b3
10. 0x4d8bb16b4aec5841b672df8d199e4352602bcc1a2c03f3991b935d7477eac607
11. 0x29ff42cd28c985738cc9b9746505241162025974e4e3ebf7c6681609002132fa
12. 0x364047261f51ecdbe278514b4f415358118ef4644f7124e15a40f80a86f6a05b
13. 0x16a8fb19a5e4f4535e7cb3fce5c15ecfa188586bb74e347ee71164f8af27dfe1
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae