Evidence row 2199490

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://theartillerist.com/api/v1/commission-quotes"
    ]
  ],
  "name": "Art Commission Quote API",
  "owner_address": "0xf69586f5e0e5b3b105a1937364d8b299877c9735",
  "raw": {
    "accepts": [
      {
        "amount": "25000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xf69586f5E0e5B3b105A1937364D8B299877c9735",
        "scheme": "exact"
      }
    ],
    "description": "Calculate a benchmark-based USD price range for an art or illustration commission using deliverable type, experience, complexity, finish, subjects, usage rights, revisions, rush timing, and expenses.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "commission_type": "book-cover-illustration",
              "complexity": "complex",
              "expenses_usd": 0,
              "experience": "established",
              "finish": "rendered",
              "revisions": 2,
              "rush": "none",
              "subjects": 2,
              "usage": "commercial_small"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "commission_type": {
                "quote_key": "book-cover-illustration"
              },
              "currency": "USD",
              "dataset": {
                "version": "2026.1"
              },
              "estimate": {
                "high": 3750,
                "low": 1250,
                "recommended": 2200
              },
              "quote_id": "cq_example"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": false,
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793613487/bazaar-icons/69812b29697d93ac.png",
    "lastUpdated": "2026-11-02T09:58:06.241Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T09:58:05.582Z"
    },
    "resource": "https://theartillerist.com/api/v1/commission-quotes",
    "serviceName": "Art Commission Quote API",
    "tags": [
      "art commission pricing",
      "illustration rates",
      "creative project budgeting",
      "commercial licensing",
      "artist rate estimate"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Calculate a benchmark-based USD price range for an art or illustration commission using deliverable type, experience, complexity, finish, subjects, usage rights, revisions, rush timing, and expenses."
}

What the leaf hashes

{"body":"4a7de49512679edcb66ca978ab31cefc0effbab4db92d5131b1d9cc376e3a0d9","id":2199490,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646771689227,"prev":null,"subject":"x402_bazaar:https://theartillerist.com/api/v1/commission-quotes","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. 0x90c96094043454c29c5b377a09fd1c9aad538ec8cc47db5ebd34ce83641e54b2
2. 0x36fc0834d590f2e8eb2a11f160af6222501a001e628f628f7d015b3297891be8
3. 0xfa8644bd491e6b9a66104e493a05dc07c64d6f37cf7bc8499b6a8fde20f9bed9
4. 0x8f01e47b3832170f094e8892696f27c2ffb013b0e8cc7dc7c7aa8470bc0a892f
5. 0x330f6be097988601eaf6dbb1e11ba918973ab5a631c1f8412d5986cf5bced9e3
6. 0x4978975d29a98eff7415f4124212e298e952cf32ec2b05940449cf4ddfa0ac20
7. 0x3832a47ed4a327ccd7e8d67847cd1c45b4ec7aecd8fcb8be58244524c764ebe7
8. 0x2c72048361ec6842aa8efcdcc66efa12f5667a1ec4e8fe5f609020c2c2827c65
9. 0xa24b483511049170bc3c4b1b840f953cbf6e5b0e09504e0563945a1dbd38048b
10. 0x804e2462f6eaab76d9c6943aed064e04a80f73d2e6690bfeddaab9e816482b66
11. 0x44a5cad77dd3fedc5999f1587a59e074e73aae4b83894824e2e7767e7eabb7fb
12. 0xcc41efda675fd5f31ee9b82e2920f27c5b96c51ec4eacef941b7e4116cbf2ac5
13. 0x680e2eb544f0b0d7118b76ffef0a533f49c97860e3c70eaa1d07167760b4968c
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af