Evidence row 1792021

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-v2-mint-readability-metrics.vercel.app/v1/readability-metrics"
    ]
  ],
  "name": "x402-v2-mint-readability-metrics.vercel.app/v1/readability-metrics",
  "owner_address": "0xc22f9caebac37fe72d5142f35f21f6696ea9ef69",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xc22f9CAEBAc37fE72D5142f35f21f6696Ea9Ef69",
        "scheme": "exact"
      }
    ],
    "description": "Flesch Reading Ease, FK grade, SMOG, Coleman-Liau, ARI + hard-sentence hotspots. Offline.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "text": "Hello world from x402."
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "charged": true,
              "ok": true,
              "skill": "readability-metrics",
              "summary": "ok"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "hotspot_count": {
                      "default": 5,
                      "maximum": 20,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "request_id": {
                      "type": "string"
                    },
                    "text": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ],
                  "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": "2026-11-01T06:56:56.945Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-11-01T06:56:56.818Z"
    },
    "resource": "https://x402-v2-mint-readability-metrics.vercel.app/v1/readability-metrics",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Flesch Reading Ease, FK grade, SMOG, Coleman-Liau, ARI + hard-sentence hotspots. Offline."
}

What the leaf hashes

{"body":"66d72b1eed6ee64f1ae0d10627562c40a1c3ec3ce588ef6049160ba768ad6fff","id":1792021,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560005562298,"prev":1050459,"subject":"x402_bazaar:https://x402-v2-mint-readability-metrics.vercel.app/v1/readability-metrics","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. 0x0712b4f8536e196f2467729f730937a99e573866e2846927e274ecab1e8fd001
2. 0xb021d53fed85347c520871b2519dcab67943e1e3402ab0adb78b713a6195acd5
3. 0x587fdf0fbb5c059294007cc1fb6dc1bcbd7a4805b304ce36e67e6fdb35ab6c1e
4. 0x08ae746d22a870eb786db5049d58d070a7759d91cbbe5429d42bddda9f024cc1
5. 0x7d74c5e49b221aacfd2176f82232a97cb470ba795a39462d4bda4bae924a7959
6. 0x0e74968fee9c9c70c96889c5e571618d2aa51b003a53484fd36c9a785da5c018
7. 0xa3cc305c91782dd5170d29ac9baf94efd06de8297eb8b42b700be07d81dd0659
8. 0xecb85827aba46c7857f6999b1d3389773e0ce3afd309d5f74a3d8b018619b995
9. 0xc09bc190b8aa871fe5964e312559402f7c57e13910bb21efe1b4d7755ab2401f
10. 0x0cd2b49c384b6a6014349c6844f0fedc6bf5338449f614404a45c2543d7db9fe
11. 0x327bc906fde3412a6e6c6aa3349b15ae5a22c47fb803a6fef13aaba19a4c4df4
12. 0xc531c04bf0cf3c2a9e62fe179515cf2365b4c0bf229b81ae67d53e02e04711f4
13. 0x004697fbbf039766877ca481e8fe5ce8927b2b3f8037101f578c29dbbc1244f7
14. 0x18eb74a119177bb5bebcacf2408a5e6d3077ca72c11f6b567524be7d0ca76555
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90