Evidence row 76916

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kder-ai.com/validate"
    ]
  ],
  "name": "Address Validator",
  "owner_address": "0x0fe9afb42021cbcbed9da7473f619026fe42d339",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x0fe9afb42021cbcbed9da7473f619026fe42d339",
        "scheme": "exact"
      }
    ],
    "description": "Validate and standardize a delivery address: parsing, provider verification (US-optimized), geocoding and a deliverability score, as JSON. 0.02 USDC per call on Base. Useful before shipping to or storing an address.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": {
                "city": "Mountain View",
                "country": "US",
                "state": "CA",
                "street": "1600 Amphitheatre Parkway",
                "zip": "94043"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "price_paid": 0.02,
              "result": {
                "cache_key": "<sha256>",
                "confidence": 1,
                "degraded": false,
                "deliverability": "residential",
                "latitude": 37.422,
                "longitude": -122.084,
                "standardized": {
                  "city": "Mountain View",
                  "country": "US",
                  "line1": "1600 Amphitheatre Parkway",
                  "line2": "",
                  "state": "CA",
                  "zip": "94043"
                },
                "validated": true
              },
              "transaction_id": "0x<settlement transaction hash>"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "address": {
                      "properties": {
                        "city": {
                          "type": "string"
                        },
                        "country": {
                          "default": "US",
                          "type": "string"
                        },
                        "state": {
                          "type": "string"
                        },
                        "street": {
                          "type": "string"
                        },
                        "zip": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "street",
                        "city",
                        "state",
                        "zip"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "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": "2026-10-19T13:19:52.89Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T13:19:52.456Z"
    },
    "resource": "https://kder-ai.com/validate",
    "serviceName": "Address Validator",
    "tags": [
      "address-validation",
      "geocoding",
      "shipping",
      "e-commerce",
      "ai-agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate and standardize a delivery address: parsing, provider verification (US-optimized), geocoding and a deliverability score, as JSON. 0.02 USDC per call on Base. Useful before shipping to or storing an address."
}

What the leaf hashes

{"body":"8a747d005f629400e9805c961e69bd4ce4a03979096c40399e04084333fcaa16","id":76916,"kind":"listing","method":"baseline/1","observed_us":1793025493122967,"prev":null,"subject":"x402_bazaar:https://kder-ai.com/validate","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. 0x13f4f83f22faf75ff97ff4628beb12efb2f381fcd011cb473d2d94fdedf67f07
2. 0xc55fb726e9e0a9685ef2e16582780a9b1f773ef9e38322e9daa7ae2b72008f99
3. 0x939dfd10090d40cfe8aff675034d516940d63a44256b3b0e578c907c773120ff
4. 0x87e634d74846096f8e569b6475891bc350617d366ec2ef77b5fba12509765ddb
5. 0xdeef44c852d050c7c5a76fa9f9f97d81d82f5170e5853effd268c688f6dfbdd8
6. 0x1c4dc05124595ec7457def04871ab512fa692fd48e8a0a0cc0776b11f368476c
7. 0xd9d77fdf8b0fdbc6ed3a7530da330e7a125baeecc3c968d682ba09c0c0484b54
8. 0x35538f3b32e6318aa01b54fb6c26622cc1cfee0566c8dd4cfe0ed3b420c3eb0e
9. 0x4e317cb86cb5b99084d789e62de0cf483ec892c013146be3a9edf4e02b5a3928
10. 0x7db5a200b679db21ea2e6e1ef5754ab4e6e096c29c406025cdb376cb10cfb19e
11. 0xda5e2c2f0532a3bc2b2bc361905db44768a9ec088fd32d70f9333b7801b14b95
12. 0x2412cb8bc4d10d94e1eb907d5058dd12133e55416609e1b314e811af76620542
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae