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Evidence row 428471

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-066
Recorded
Previous row
#410727
Body SHA-256
15a730ce60647f929e585475bb091f4d7e7019a2156573627ec80ad55a4079f0
Leaf
0x643ed1debf1683a8041cf763b4d127e398f52a357a4d92f76bc71547b4d37545

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-18-066"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-18-066",
  "owner_address": "0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C",
        "scheme": "exact"
      }
    ],
    "description": "Question bank coverage — Duplicate key report + Two-measure correlation: Duplicate key report + Two-measure correlation for supplied question bank coverage records (item_count, objective_count). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "rows": [
                {
                  "course_group": "group-a",
                  "date": "2026-10-01",
                  "item_count": 10,
                  "objective_count": 1,
                  "row_id": "row-1"
                },
                {
                  "course_group": "group-b",
                  "date": "2026-10-02",
                  "item_count": 20,
                  "objective_count": 2,
                  "row_id": "row-2"
                },
                {
                  "course_group": "group-a",
                  "date": "2026-10-03",
                  "item_count": 15,
                  "objective_count": 3,
                  "row_id": "row-3"
                },
                {
                  "course_group": "group-b",
                  "date": "2026-10-04",
                  "item_count": 30,
                  "objective_count": 4,
                  "row_id": "row-4"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "files": [],
              "order_id": "ord_example",
              "result": {
                "completed": true,
                "workflow": "ib26-education-18-066"
              },
              "sku": "assistant-ib26-education-18-066",
              "status": "delivered"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "rows": {
                      "default": [
                        {
                          "course_group": "group-a",
                          "date": "2026-10-01",
                          "item_count": 10,
                          "objective_count": 1,
                          "row_id": "row-1"
                        },
                        {
                          "course_group": "group-b",
                          "date": "2026-10-02",
                          "item_count": 20,
                          "objective_count": 2,
                          "row_id": "row-2"
                        },
                        {
                          "course_group": "group-a",
                          "date": "2026-10-03",
                          "item_count": 15,
                          "objective_count": 3,
                          "row_id": "row-3"
                        },
                        {
                          "course_group": "group-b",
                          "date": "2026-10-04",
                          "item_count": 30,
                          "objective_count": 4,
                          "row_id": "row-4"
                        }
                      ],
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "course_group": {
                            "default": "",
                            "maxLength": 80,
                            "type": "string"
                          },
                          "date": {
                            "default": "",
                            "maxLength": 10,
                            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
                            "type": "string"
                          },
                          "item_count": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "objective_count": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "row_id": {
                            "default": "",
                            "maxLength": 80,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "row_id",
                          "course_group",
                          "date",
                          "item_count",
                          "objective_count"
                        ],
                        "type": "object"
                      },
                      "maxItems": 200,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "rows"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "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": "2026-10-27T04:00:49.591Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T04:00:49.224Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-18-066",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Question bank coverage — Duplicate key report + Two-measure correlation: Duplicate key report + Two-measure correlation for supplied question bank coverage records (item_count, objective_count). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows."
}

What the leaf hashes

{"body":"15a730ce60647f929e585475bb091f4d7e7019a2156573627ec80ad55a4079f0","id":428471,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086370219058,"prev":410727,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-066","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0x643ed9f6d6d023bdceac2f3bb9decf02d614b95f03197cc033f8c8439489b9c9
  2. 0x9ff1fe66e2bc79a7752793fcb1f5ce2d8965b317f0bb588448752b889e56f7a1
  3. 0xef88b4a1c6383922ec26ed405f8f656821940b800abe638dcff1b1fbba595fc9
  4. 0x2105725ef579ff01891bc0c38676205d63c513f1df836d762f3fe6263fb9d444
  5. 0x45f23210560db4c4d143357147699995ebd0f9a4bb2480b67cc03d0893465bcb
  6. 0xdd87068f373614715a378f9560b8010a428f1d41a70702b2da259ab7498a089a
  7. 0xb927edd6932b867dffec8a07a42629531698b9ab99e8387b562ac4d959c0a2da
  8. 0x6b65e61312fc150df46422f72ec7bc42ebab53370906267859605d93a2c4f5db
  9. 0x2a5bdcb29348384d14b06ded4b04c23046200a25ccc4fab27a533f3664204414
  10. 0xfd70b3e83b7034b7a68c1b671770fdd0559e9a942b56b74a5228c4886ee50f89
  11. 0xcd76c41dfcff13156d2af2cc6dfbdeb2edaf4851321395cdd37af3eba0f1a0a0
  12. 0x188b042e533a0dd4a8a233ee981012ab6f4d30710df7807c0e36d3d969103a6d
  13. 0x4c257542b0421f909cc313308d9054fb29b4b46d9dca1b83169d04797233fda2
  14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
  15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
  16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
  17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
  18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON