Evidence row 2202095

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://color-design.x402tookit.com/color-mix"
    ]
  ],
  "name": "Color and Design Tools",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Mix two hex colors at a ratio in sRGB or in linear light (physically correct), returning the blended hex.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "a": "ff0000",
              "b": "0000ff",
              "space": "srgb",
              "weight_b": 0.5
            },
            "type": "http"
          },
          "output": {
            "example": {
              "a": "#ff0000",
              "asOf": "2026-10-11T04:02:40.746Z",
              "b": "#0000ff",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "notChecked": [
                "perceptual spaces such as OKLCH (this is sRGB or linear RGB)"
              ],
              "reasons": [
                "Straight sRGB averaging is what CSS color-mix(in srgb) does; it looks darker than physical light mixing."
              ],
              "result": "#800080",
              "source": "computed locally",
              "space": "srgb",
              "summary": "#ff0000 + #0000ff at 50% of b in srgb = #800080.",
              "verdict": "MIXED",
              "weightOfB": 0.5
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "a": {
                      "description": "First hex color",
                      "type": "string"
                    },
                    "b": {
                      "description": "Second hex color",
                      "type": "string"
                    },
                    "space": {
                      "description": "srgb (default) or linear",
                      "type": "string"
                    },
                    "weight_b": {
                      "description": "Share of b from 0 to 1, default 0.5",
                      "type": "number"
                    }
                  },
                  "required": [
                    "a",
                    "b"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "a": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "b": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "result": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "space": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "weightOfB": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:42:48.737Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:42:48.574Z"
    },
    "resource": "https://color-design.x402tookit.com/color-mix",
    "serviceName": "Color and Design Tools",
    "tags": [
      "color",
      "mix",
      "blend"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Mix two hex colors at a ratio in sRGB or in linear light (physically correct), returning the blended hex."
}

What the leaf hashes

{"body":"61f8f34911adb9260f682dd0ae8068f7dc4dcd8fe59f7fd19a0b830712c8b0ff","id":2202095,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646812479202,"prev":null,"subject":"x402_bazaar:https://color-design.x402tookit.com/color-mix","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x8039fca84f85937db4aa8e648d15b600486118457d2b1dc77843f0569365ef01
2. 0x16123462f7d3716c0735918f338c43ed16ecd3afd19c69b33b1e955dd3dff06a
3. 0xb5e9fa33920d976c18bb0b1b7db3d758e48ffa1067871bce75e8d3d917b0afeb
4. 0xd5dc5a928ef4b2af6e549e065bd05ae903726caf63c3c24b27238479348ae344
5. 0x782e007ebe4a12f4f3bddb61fdba736bf912c02c42dae184ad44c31f470fbe47
6. 0x96696db6104a4360720d89deec440e80dc635a133724223b6a8a59a8c579bf8d
7. 0x4237bcbedaf43375d48fb044459d6069990570031f50c6cd2ba8be209f215465
8. 0x97ad1d850ddf0e7f78451582eb60d8d6cca9ab978dc02636d6fe061f13759f61
9. 0xdc9829be6a14b02f14c1042ef8695f96af47b3981c467bffbb786606974c2e5d
10. 0x7acd09c58d01a756e6c20b6c271949667ad8bd764fafff4eef2cb4940f4b1b9e
11. 0x50bf2f84de7b53e5933e244004dac0d447346914337103a7d8bac4bfb694c60f
12. 0x786080c17714171e1c289cf0aed18e1ab976b18ce2fac2a219a07d49aadcb6c7
13. 0x6a06852e71057f53bcc6c658511dcfcda03ac93f8dd86e79a4db42c8e85677b9
14. 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af