Evidence row 65449

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": "2026-10-17T05:19:12.197Z",
    "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":"0b2efe3459ccd6d13ae6f729e8cd22313361b485a1c8f0823ffef8f9139fb825","id":65449,"kind":"listing","method":"baseline/1","observed_us":1793025458382056,"prev":null,"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. 0x118e4bd18959abce0db9b46e26a87f21de8810b02deda30e15c27ae3a64459c3
2. 0x79cddf822462b7a39b59bed96f0794e988a9031fc8c58d7fe64bd8befc557e7c
3. 0x8540195f3d0d8a979b5201a32068a9b1e58e3399c9c7f94e5956e88ec745168f
4. 0xe6d2644100c1f6c2e42bdcb2b76897495e02f67ae7ccbafadc563c4c4f258999
5. 0x0b44e0743a9fd90115e9f8f913dcdc4df840d5768a7d7b2523acad9c9d89e478
6. 0x91892cf5372c278e9d9ef215d03e1d71eed6799d30817ce268f75de0a852a888
7. 0x2bdaf0e21b9621cf588667d651277254f24d96799f46bd7caea286210ab004b3
8. 0x6322c3ad1ccb5fa03c624103b32d30ef450e4c893b458fef5af1d26bd470a639
9. 0x4e785676cfd6ff09cb0e055fe7daa99aa723abff896550ea9581813c291f23dc
10. 0x970e7fce5d49f34f6b51af44a118952db23266c34d492098d84b4f12f45ecbff
11. 0xb3d22f508aaf8117a0a5454390284c48363baa096e225b30af56d708d8dcd0b3
12. 0xc02d9eff6ef94d46d90d54320548f18fc3f05787047265548577569253c19969
13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae