Evidence row 123559

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://unit.openverbs.com/v1/convert"
    ]
  ],
  "name": "Convert units",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Convert a value between units — length, mass, volume, temperature, area, speed, pressure, energy, power, digital storage, time, angle, frequency and more. Unknown units or a conversion between incompatible measures (e.g. kg → km) are rejected as a clean 400.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "from": "km",
              "to": "mi",
              "value": 5
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "from": {
                      "description": "Source unit abbreviation, e.g. \"km\", \"kg\", \"C\", \"GB\".",
                      "maxLength": 32,
                      "minLength": 1,
                      "type": "string"
                    },
                    "to": {
                      "description": "Target unit abbreviation, e.g. \"mi\", \"lb\", \"F\", \"MB\".",
                      "maxLength": 32,
                      "minLength": 1,
                      "type": "string"
                    },
                    "value": {
                      "description": "The numeric quantity to convert.",
                      "type": "number"
                    }
                  },
                  "required": [
                    "value",
                    "from",
                    "to"
                  ],
                  "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:37:20.655Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:37:20.399Z"
    },
    "resource": "https://unit.openverbs.com/v1/convert",
    "serviceName": "Convert units",
    "tags": [
      "convert units",
      "unit conversion api",
      "kilometers to miles",
      "celsius to fahrenheit",
      "kg to pounds"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert a value between units — length, mass, volume, temperature, area, speed, pressure, energy, power, digital storage, time, angle, frequency and more. Unknown units or a conversion between incompatible measures (e.g. kg → km) are rejected as a clean 400."
}

What the leaf hashes

{"body":"9c7708ee415dbaaec656f74e8955ebd82b05cc2e57f4bc6064cb07c09bf86374","id":123559,"kind":"listing","method":"baseline/1","observed_us":1793025623316609,"prev":null,"subject":"x402_bazaar:https://unit.openverbs.com/v1/convert","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x99253c6d5bd1985eb712ba80ce6c3dceddc736dbe26b7570d163c68b51a57126
2. 0x651ea722012fbc86988b02c6252c2d1231e1c9c291e68eb02db812f087312397
3. 0x7ed4b439dd2495e7d73a80315cb0ab790c7b15dd20d9d0f7b68459ad6a4afb15
4. 0xd3c55c9856ac3343d5812dcfbc674d964fd80f49816507b9fadf0026bf5db976
5. 0x254f8994cbda4cf675156e01c391da34aabbc9c817f209067faaa3567c8001f8
6. 0x4a17106ef26d674c8e068d77462d586b04079a19d33f1b64075edef76f9b3c44
7. 0x5b5082a7b589e23a9f4595b66fc3b4e5b384572cc5daf04aec461f8cd8bee5e0
8. 0xfc55b77c91d8f6d29f395d3a4ebcbae6e4c8c89c37f9687ab2386ef4b5e7531a
9. 0xe5fcc8212245fba4b7457731097c2b4ff118cfd01e0868e3af9c3e2fc6825499
10. 0x2b4f513a842f0518600372c41655e79b425e107967347efd041a1f46774282f2
11. 0xd3f19437d703373e99e0bf69c4ca06561426260f599f7d259e3257085a387573
12. 0x6ae9e6ee1b544d831982666bd3570457659e78fc0064894d7ec23f971a37ff2f
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae