Evidence row 280050

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.callmeter.dev/v1/agentutils/schema"
    ]
  ],
  "name": "api.callmeter.dev/v1/agentutils/schema",
  "owner_address": "0x5d568ffc646eef94c1fc2d5124f017ab23a1f3f4",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "chain": "base",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x5D568FFC646EEf94C1FC2D5124F017Ab23a1F3f4",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
        "extra": {
          "chain": "base-sepolia",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:84532",
        "payTo": "0x5D568FFC646EEf94C1FC2D5124F017Ab23a1F3f4",
        "scheme": "exact"
      }
    ],
    "description": "Paid skill agentutils.schema",
    "extensions": {
      "bazaar": {
        "bazaar_id": "transform_json_schema",
        "campaign": "interim_commercial",
        "info": {
          "bazaar_id": "transform_json_schema",
          "campaign": "interim_commercial",
          "description": "Draft or validate a JSON Schema from a sample/instance",
          "input": {
            "body": {
              "mode": "draft",
              "sample": {
                "a": 1
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "keywords": [
            "sample-to-json-schema",
            "validate-json-schema",
            "draft-schema-from-example",
            "schema-transform",
            "type-check-json",
            "json-schema-x402",
            "unpaid-402-schema",
            "schema-validate-pay"
          ],
          "output": {
            "example": {
              "mode": "draft",
              "schema": {
                "type": "object"
              },
              "valid": true
            },
            "type": "json"
          }
        },
        "intent": "Draft or validate a JSON Schema from a sample/instance",
        "keywords": [
          "sample-to-json-schema",
          "validate-json-schema",
          "draft-schema-from-example",
          "schema-transform",
          "type-check-json",
          "json-schema-x402",
          "unpaid-402-schema",
          "schema-validate-pay"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "type": "object"
                },
                "bodyType": {
                  "const": "json"
                },
                "method": {
                  "const": "POST"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "const": "json"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "why_better": "Cheapest machine paid hop on CallMeter ($0.02): draft or validate JSON Schema via x402 unpaid→402. Primary commercial findability through 30 Sep 2026. Receipt→JSON remains a separate demo/depth skill."
      },
      "kernel": "callmeter",
      "skill": "agentutils.schema"
    },
    "lastUpdated": "2026-10-26T18:57:43.115Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-17T05:19:11.747Z"
    },
    "resource": "https://api.callmeter.dev/v1/agentutils/schema",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Paid skill agentutils.schema"
}

What the leaf hashes

{"body":"1e9f66dca40eb60a6a2abc29a0ca65ea5f6c0643e25b6cdcda86c83326bc51b2","id":280050,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042398208453,"prev":65449,"subject":"x402_bazaar:https://api.callmeter.dev/v1/agentutils/schema","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. 0x3c5bd34ece2cc1be627f15c513252a602ca0f216109df2b720637625d690a6d3
2. 0xf28c00bf3c71f6539005bea897dec3b9918aa3536df511a1e36c88824cc66c9c
3. 0xd70f4a1c0330c4da27795f957422a6f4b3ab74626162eb2c8f8e35b4a2687b51
4. 0x465a2607a76a5e40f205a5f50aaa5ae1e9d9ab87e8b5212f0efc2a1c77b566cf
5. 0xe412f51dd78f738b7060d7b6c9d77c2a8fbcaf23064f6b6fe7fb7c0a64153930
6. 0x26896255f4607097054677016753f24b47674214aa14b43b35bb82ef79e88b5d
7. 0x88e1219f5d875b325ef5862483188bd23a67ecfb198abd5a5f0dca2f9c7ce395
8. 0x80d479552012f6e936eed072d101dc52e1a752572cfb197539a94b42817516d8
9. 0xf3377e5a3d9ffa09ca4a8f90e033745dad5af466386e85882a894e4c3fbfb0f4
10. 0x210e4fd4b2b60dbd88a7f42093d3d642e105b1738155bf382034c694bee5fbcf
11. 0xd7dd18a37a5bb07e81a8083d8d1469e052ceebb2814b00f5a8d4f4cd181a5108
12. 0xd04df0f7f3be4d014b4cea8172ada286fbcf5bcb32ae1b281704fd75627b661b
13. 0x215f432600b78f2e7c9629cd10ce6ce4b7f3351b0b71f3f2c7dcb8e650f6cd63
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae