Evidence row 55203

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cloudprice.genexxis.com/instance"
    ]
  ],
  "name": "cloudprice.genexxis.com/instance",
  "owner_address": "0x9287e3102d411029025c7617d75245bfc7920f17",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9287e3102D411029025C7617d75245BFc7920f17",
        "scheme": "exact"
      }
    ],
    "description": "Hourly price of one cloud instance type in every region where it is sold (AWS EC2 or Azure VM SKU), on-demand and spot, cheapest region first.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "type": "p5.48xlarge"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "cheapest": {
                "priceType": "spot",
                "region": "us-east-1",
                "usdPerHour": 20.1
              },
              "instance": "p5.48xlarge",
              "provider": "aws",
              "regions": 14
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "priceType": {
                      "description": "on-demand | spot | any",
                      "type": "string"
                    },
                    "type": {
                      "description": "AWS instance type or Azure armSkuName",
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-26T10:28:23.932Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T10:28:23.404Z"
    },
    "resource": "https://cloudprice.genexxis.com/instance",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Hourly price of one cloud instance type in every region where it is sold (AWS EC2 or Azure VM SKU), on-demand and spot, cheapest region first."
}

What the leaf hashes

{"body":"568dbae8e6ad6c6bb2dcd02abe6c9830c5d34e5e82f200a950138796389a208b","id":55203,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025434610742,"prev":null,"subject":"x402_bazaar:https://cloudprice.genexxis.com/instance","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. 0x285b18c4f114b3d1cd334fb27bea437043ed2721cb81a682491e56f727d99615
2. 0x9597b6e5734af7607fb583b7c17383fa1fe30aaf36f6e29cf0e4801fec58fd37
3. 0x87db32e3faf945ca21602170ef9f793c183a1cbcd0aec6c61e096a3965718789
4. 0xc1bbc408221f6c972e51be5d3ae86a267d7769b5307dffd67c8976f694b58bef
5. 0xa615bf1e06051a745a400d31c96dcad48d746b7faed01550076b3823dd417948
6. 0xdcdb8c5baadcf8dddc4da4fbb9ed3a6c0e23a9f333181c819836545d6ea7c3bc
7. 0x1496632192b6eb0db208e9b7b8bcf5af59314c5dfd701e4acf70c2903bce460e
8. 0xa322b51b16b587ebdaf32b219866b98a1d5198eda767c2b8be32678b2d9f12a1
9. 0x3aefdf99ebab7bb92ee0707f8dff44c068e4ba444292d690b05f551d371e432b
10. 0x4d8bb16b4aec5841b672df8d199e4352602bcc1a2c03f3991b935d7477eac607
11. 0x29ff42cd28c985738cc9b9746505241162025974e4e3ebf7c6681609002132fa
12. 0x364047261f51ecdbe278514b4f415358118ef4644f7124e15a40f80a86f6a05b
13. 0x16a8fb19a5e4f4535e7cb3fce5c15ecfa188586bb74e347ee71164f8af27dfe1
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae