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Evidence row 92020

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-117
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e2083a1e4fa84ed06400459c23a2cd51c40915ac03419239e184a74b6db4aa61
Leaf
0x11638cb290e0eeea3a24bf3e5cdd166fd8c3fcb10176517272395279c74497bf

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-18-117"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-18-117",
  "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 — Numeric row ordering + Base-100 series: Numeric row ordering + Base-100 series 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": {
              "base_index": 0,
              "field": "item_count",
              "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-18-117"
              },
              "sku": "assistant-ib26-education-18-117",
              "status": "delivered"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "base_index": {
                      "default": 0,
                      "maximum": 199,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "field": {
                      "default": "item_count",
                      "enum": [
                        "item_count",
                        "objective_count"
                      ],
                      "type": "string"
                    },
                    "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",
                    "field",
                    "base_index"
                  ],
                  "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": "2026-10-25T08:46:49.905Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T08:46:49.687Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-18-117",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Question bank coverage — Numeric row ordering + Base-100 series: Numeric row ordering + Base-100 series 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":"e2083a1e4fa84ed06400459c23a2cd51c40915ac03419239e184a74b6db4aa61","id":92020,"kind":"listing","method":"baseline/1","observed_us":1793025528283364,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-117","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x11637f5d000110c50d85e640ff8b7fb8e47c8e0b6983bbef32531a3189debff2
  2. 0xcb45698a36c7a7cb92882b4c9ecda797812750e8911a659514c9ff39635f5763
  3. 0x1f2c19081dc9b97a4ca850e3599538c6f903308106bee4fe4c4c67e229a02621
  4. 0xdd6910c3ec66bc7948887c99511772f02e5c274b60351a814c709126b8ea6278
  5. 0xc4c95998fa44e1067719ddc640b34707e0deec2963e648d9791266466d208f0c
  6. 0xd5bc65f63f154169224e1b2308fb560332ed4485e935b39ec728b6eeb85b65bf
  7. 0x9a0ab67dbe92e85576f79e612bb3d68898d68152430ad6a0652b61ccd41ad84d
  8. 0x2e0e1c2f14f4c731ba9533ba6ae2b3b14e9e261ae300ec3c9620c8267fcc48c8
  9. 0x90c81e0dacb4c443b1a82c1637adcc6c98ae484d805a589fb55ce0f8f0af16c0
  10. 0x59eeaadc4738eed3343bd128dc8e9beeacada4d8b43799e35d914cb411b97394
  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

How to check it · This row as JSON