Evidence row 1791506

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/color-convert"
    ]
  ],
  "name": "Foundry",
  "owner_address": "0x11dced0487ca3e7d9032029dcb302253ccf4e0de",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x11DCED0487cA3E7d9032029DCb302253ccF4e0DE",
        "scheme": "exact"
      }
    ],
    "description": "Color converter: hex, RGB and HSL, luminance, contrast against white and black, best text color. Input: '#1e90ff'.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "#1e90ff"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "best_text_color": "#000000",
              "contrast_vs_black": 6.49,
              "contrast_vs_white": 3.24,
              "hex": "#1e90ff",
              "hsl": "hsl(210, 100%, 56%)",
              "luminance": 0.2744,
              "rgb": "rgb(30, 144, 255)"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "description": "#hex, rgb(r,g,b), hsl(h,s%,l%) or a basic name",
                      "maxLength": 8000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "input"
                  ],
                  "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": "2026-10-31T22:46:08.373Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T22:46:08.159Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/color-convert",
    "serviceName": "Foundry",
    "tags": [
      "color",
      "hex",
      "rgb",
      "hsl",
      "contrast"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Color converter: hex, RGB and HSL, luminance, contrast against white and black, best text color. Input: '#1e90ff'."
}

What the leaf hashes

{"body":"6bb79b87f1a1809849e40f4003db3ada660b19602611bdfd98b485f487c9c35d","id":1791506,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559984855044,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/color-convert","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xf7b6554314bfc63b4e0bae00dde47bc7412a10b640574d0cf2d3915ef27f7358
2. 0x0422babcbd060c9fad7ca8868c9a3924b9575ed457b91502da2098c6204c725e
3. 0x9034a0ee7ca421f17435882a052cc2cdc9347a6a9d1057a7a7a58bbb873e9165
4. 0xc6f713befbf8e5f517fc56451e9c9cd109070986fa5faf81bef1e10aca5f5ec0
5. 0x7b7511ddb8fa8ab4290d149f10c9813e2a2654325cb88ec4c0fd05afef577f0f
6. 0x8e82709b00d669df25db166ac59a12e30293469b7190e627b613218f8ce4c77e
7. 0xc1817e05f1dac847b91d98d5f9250b0432dcdb759d9f3a379c3fc9e6926b3721
8. 0x0e2d7e65cafb89b78f9c86946c48847ec7c316465a5c58f0923cfee781541a68
9. 0x5e5ff7cc328812ca1a985d112562d115d99ca2ac4fc004673f08db2d63851545
10. 0xe74161a8eb7a8f2a30cb4a06747ed0d4258a02833088c2b92a9174c0e778df21
11. 0x5e7f7645e09612756de23d1f0be81a7a6a2ced54cffaa85aa5eb90e9f0e30695
12. 0xf8b312afb71abc1ae9fcd8b8858e0a4351bca64770e3521c0f4b8ea86a8933e4
13. 0x4ec6a6783b0fbf13d364df34dd919edbce7190c4f5424e6bc50d2f35967469a4
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90