Evidence row 409302

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": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T18:57:42.763Z"
    },
    "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":"22f59ea662807e6b532bb0d7945d5d28c426080565be9ebc7223188b4a285638","id":409302,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080367109319,"prev":280050,"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 2026-10-27 (273461 rows).

1. 0x98ab67a021aa26691f512f13ead57015ba906af863e4dbd8064b84db0ef8d032
2. 0x06d946a0a3fad0a0fef65320ddf304631f9da1c7917ce1155810e6be75762d61
3. 0xf368741fdfa1f105209b180a36a3dace3af7d6f0ab69e2a86d7b294ab554669a
4. 0x986042f1aa84d921db7cb95b5ddaf6891f4870958b43fcad99cc1b3359e64a7d
5. 0x5ef994a9b62491f2c7c13bf57879f798e1dd3f84467f0bab35b4443dfdf3ea09
6. 0x8fbbd27bfe337b1dc9f8f018c700105e8c23e1d991d2225db8d1390057583b44
7. 0xd611fbd22c9957aae98f8f5aab95e9ace5cb1d27fd47ed1ccb812b0c945d4795
8. 0x2a748ed2e8601b3d58b03c3fbb67899829085b721a03ee010d92e367a1dfdc9e
9. 0xa25034b637345a290eeb3fa67cf52f60ff8cf638a84579dcdb7151abdb28d713
10. 0x6590d6a2c3866956c507a0a7524c10d1987a0ffcdc43cab673b274ce4e797a69
11. 0xc20f230e6a5e6bcd62065b3cf5e6a893589ba117af49ef95dd2bdfe194a358dd
12. 0xff66a3c0db6d61623a5ee399a8625355b32e95a4eb77e6d9f9ca4ae4dcbc5937
13. 0xfe6d2e9a468b7e99de9162a2ef30ac0b0e3b318387b4356bf524493aa67b295b
14. 0xa3c9c760ee424c178bab782711c2b9d3e15a80a6fde99165972cb75b306bb8b4
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4