Evidence row 450853

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://toll402.dev/v1/t/fn_at_validate"
    ]
  ],
  "name": "Toll402",
  "owner_address": "0x318d34fa0bd69eff17fac648d2df8cf7a88b3dbe",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x318d34fa0bd69eff17fac648d2df8cf7a88b3dbe",
        "scheme": "exact"
      }
    ],
    "description": "Offline validator for an Austrian Firmenbuchnummer (FN), the company register number. Normalizes the numeric part (1-6 digits, left-padded to 6 for calculation), computes the modulo-11 check letter using weights 2,1,2,1,2,1 (Luhn-style digit reduction for products >=9 by subtracting 9) and the standard letter table (0=p,1=a,2=b,3=c,4=d,5=e,6=f,7=g,8=h,9=i,10=k), and compares it to the supplied check letter.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "value": "123456k"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "ok": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "value": {
                      "description": "Firmenbuchnummer, e.g. 'FN 123456k' or '123456k'",
                      "type": "string"
                    }
                  },
                  "required": [
                    "value"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:14:40.742Z",
    "quality": {
      "l30DaysTotalCalls": 12,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-26T00:15:01.277Z"
    },
    "resource": "https://toll402.dev/v1/t/fn_at_validate",
    "serviceName": "Toll402",
    "tags": [
      "validator",
      "austria",
      "firmenbuch",
      "company-id",
      "offline"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Offline validator for an Austrian Firmenbuchnummer (FN), the company register number. Normalizes the numeric part (1-6 digits, left-padded to 6 for calculation), computes the modulo-11 check letter using weights 2,1,2,1,2,1 (Luhn-style digit reduction for products >=9 by subtracting 9) and the standard letter table (0=p,1=a,2=b,3=c,4=d,5=e,6=f,7=g,8=h,9=i,10=k), and compares it to the supplied check letter."
}

What the leaf hashes

{"body":"cdded4dac12dcf7f007856fd099dde41ad9b0ccc09f42e5c16b376e09fca2782","id":450853,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100476718182,"prev":122701,"subject":"x402_bazaar:https://toll402.dev/v1/t/fn_at_validate","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. 0x4e432958f7e60b5e6cae73bd794439a3dd61e289e4837d2f2a7372c7320ebdb9
2. 0x378c3aa8c77dca20b213edcc2b7a38777f90c16b3647ad5aeb2634223fad302e
3. 0xae8f8eb4c1873d056726dc57b00686b9dade802ebc9c3bd240c709d6b76c23cc
4. 0x11a121c324eedec7f68ce2fd8c08e71db58c129af594f6a58472da98cf291874
5. 0x93a6d9c11d7108555cd0b13a84d9e5c0f84cacf2e7420f6ae0461b2a4ec8ebc2
6. 0xbf67a05c244e6581de09c0ddec0f8711248020e3d2f2685c75c5fca2a356e92f
7. 0xdc58d4ef3514d184052f41ba3cf1b068a15c0c21330dabf2874f56b1a2eb877f
8. 0xa508d0afa3311a2e0a04c34a6bd0ec94c4f81b718d6c1b49991b02f592b82763
9. 0x56a0e314404f52702520b98a56664e7efe345b3e656d9164800ace2cffee8cbd
10. 0xdf388c223d2f3fd49d4cacbe1c1191cd9e4ede76de22787f69c1058aace953c7
11. 0x906219e11d9076acac52c739ab17862b442ad8da02bbfce9ece4c281b2c106eb
12. 0xf9b21ec258212225fc012a1ed6399d0ec608e930f4423d2badb8be79550861ef
13. 0x797da99476c7ebaa971607ae725e5e240b79de9e49d28859b94de107c850aaab
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4