Evidence row 453270

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://2s.io/api/calendar/business-days"
    ]
  ],
  "name": "2s",
  "owner_address": "0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5",
  "raw": {
    "accepts": [
      {
        "amount": "2500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
        "scheme": "exact"
      },
      {
        "amount": "2500",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "name": "USDC",
          "version": "1"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
        "scheme": "exact"
      }
    ],
    "description": "Holiday-aware business-day calculator for 200+ countries. Three modes: pass start + addDays (signed integer) to shift a date by N business days; pass start + end to count business days between two dates (exclusive of start, inclusive of end); pass start alone to check one date (is it a business day, which holiday, next/previous business day). Query: country (ISO 3166-1 alpha-2), start (YYYY-MM-DD), optional region (subdivision code), addDays XOR end, optional weekend (comma-separated days, default sat,sun — e.g. fri,sat for the Gulf), optional types (holiday types treated as closures, default public,bank). Skipped holidays are itemized in the response. Use for payment terms, SLA deadlines, and delivery-date math.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "addDays": "2",
              "country": "US",
              "start": "2026-07-02"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "const": "GET"
                },
                "queryParams": {
                  "properties": {
                    "addDays": {
                      "description": "Signed business days to add (XOR with end).",
                      "type": "string"
                    },
                    "country": {
                      "description": "ISO 3166-1 alpha-2 country code.",
                      "type": "string"
                    },
                    "end": {
                      "description": "End date YYYY-MM-DD to count business days to (XOR with addDays).",
                      "type": "string"
                    },
                    "region": {
                      "description": "Optional subdivision code, e.g. CA, BY.",
                      "type": "string"
                    },
                    "start": {
                      "description": "Anchor date, YYYY-MM-DD.",
                      "type": "string"
                    },
                    "types": {
                      "description": "Optional holiday types treated as closures. Default public,bank.",
                      "type": "string"
                    },
                    "weekend": {
                      "description": "Optional weekend days, comma-separated. Default sat,sun.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "country",
                    "start"
                  ]
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1781454341/bazaar-icons/58f7ba8f2b3b8047.png",
    "lastUpdated": "2026-10-27T09:44:55.625Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-26T14:24:03.664Z"
    },
    "resource": "https://2s.io/api/calendar/business-days",
    "serviceName": "2s",
    "tags": [
      "public-records",
      "identifiers",
      "ai-agents",
      "us-gov-data",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Holiday-aware business-day calculator for 200+ countries. Three modes: pass start + addDays (signed integer) to shift a date by N business days; pass start + end to count business days between two dates (exclusive of start, inclusive of end); pass start alone to check one date (is it a business day, which holiday, next/previous business day). Query: country (ISO 3166-1 alpha-2), start (YYYY-MM-DD), optional region (subdivision code), addDays XOR end, optional weekend (comma-separated days, default sat,sun — e.g. fri,sat for the Gulf), optional types (holiday types treated as closures, default public,bank). Skipped holidays are itemized in the response. Use for payment terms, SLA deadlines, and delivery-date math."
}

What the leaf hashes

{"body":"b8ad8c99b8d265517d10ec7621b1b85d5d36d0f524f17301e8df2afe461f9a9a","id":453270,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100613087445,"prev":279565,"subject":"x402_bazaar:https://2s.io/api/calendar/business-days","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xc0d123ac1896340fb64ca4aeb106b0d87bf4ebbe4d288bea8bb03d2cf10e5b07
2. 0x952bb827061af37a1e4c4e55015d5ed31e1331649ce929aea684675bdedcdf09
3. 0x866d209a6eb01b98f20835f3873c46dfc32b0c794d8691de870299f448b475d6
4. 0x3b7eb51e8ae49b512e8c9bf82fbbd499b41804be295608d6be021771c8b3da93
5. 0x0853f9c2c44230cd62a53942765efcb690e0d5834aad035fcb0c52eccbc1b690
6. 0x874b6590ed93c70bcae2c7aa5caae41ed8dbfc9af3f4d49a12b28d054c047902
7. 0x513091298f44d9062a02cc9fd6c3523208aaca6f6324ddadc347c9f6b41aac4c
8. 0x8d8366e6de56cd95b3344afedc4190cbd7be09f622fd13fae3aeefedf9ba0f79
9. 0x01e3e065a3877776fadeab5ec2755dd30d518c3dd33fc6c58936fe827bf2a270
10. 0x5ade5502970e225a7cc6ddb2284b1f1974ddf0696dc351918232208521b21fed
11. 0x8e2cd0c905c658aad4eef2fd15002318d877ff705c175cd58ba19b07552bf49d
12. 0xf60d24675361c4e691254e637b8ecddfc4470b91e0ce8ab4c088e46b7460f7f1
13. 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4