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Evidence row 414502

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-041
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8f7e5c7c1137cfe4103f97101b6680f6e0a622a34d002951e915bfb0a49421c3
Leaf
0x3b40caa39c80e36bffb732970d12620aa6fe651d4f77a47576a64e2783e931c4

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-01-041"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-01-041",
  "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": "Lesson attendance — Exact row deduplication + Category frequencies: Exact row deduplication + Category frequencies for supplied lesson attendance records (attendees, registered_students). 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": [
                {
                  "attendees": 10,
                  "course_group": "group-a",
                  "date": "2026-10-01",
                  "registered_students": 1,
                  "row_id": "row-1"
                },
                {
                  "attendees": 20,
                  "course_group": "group-b",
                  "date": "2026-10-02",
                  "registered_students": 2,
                  "row_id": "row-2"
                },
                {
                  "attendees": 15,
                  "course_group": "group-a",
                  "date": "2026-10-03",
                  "registered_students": 3,
                  "row_id": "row-3"
                },
                {
                  "attendees": 30,
                  "course_group": "group-b",
                  "date": "2026-10-04",
                  "registered_students": 4,
                  "row_id": "row-4"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "files": [],
              "order_id": "ord_example",
              "result": {
                "completed": true,
                "workflow": "ib26-education-01-041"
              },
              "sku": "assistant-ib26-education-01-041",
              "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": [
                        {
                          "attendees": 10,
                          "course_group": "group-a",
                          "date": "2026-10-01",
                          "registered_students": 1,
                          "row_id": "row-1"
                        },
                        {
                          "attendees": 20,
                          "course_group": "group-b",
                          "date": "2026-10-02",
                          "registered_students": 2,
                          "row_id": "row-2"
                        },
                        {
                          "attendees": 15,
                          "course_group": "group-a",
                          "date": "2026-10-03",
                          "registered_students": 3,
                          "row_id": "row-3"
                        },
                        {
                          "attendees": 30,
                          "course_group": "group-b",
                          "date": "2026-10-04",
                          "registered_students": 4,
                          "row_id": "row-4"
                        }
                      ],
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "attendees": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "course_group": {
                            "default": "",
                            "maxLength": 80,
                            "type": "string"
                          },
                          "date": {
                            "default": "",
                            "maxLength": 10,
                            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
                            "type": "string"
                          },
                          "registered_students": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "row_id": {
                            "default": "",
                            "maxLength": 80,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "row_id",
                          "course_group",
                          "date",
                          "attendees",
                          "registered_students"
                        ],
                        "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": "2026-10-27T05:24:07.085Z",
    "quality": {
      "lastCalledAt": "2026-10-27T05:24:07.085Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-01-041",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Lesson attendance — Exact row deduplication + Category frequencies: Exact row deduplication + Category frequencies for supplied lesson attendance records (attendees, registered_students). 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":"8f7e5c7c1137cfe4103f97101b6680f6e0a622a34d002951e915bfb0a49421c3","id":414502,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080772380012,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-041","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. 0x3b40b9845c4dc8ac0ed5ad2fbe44bbddb40b923ee85a77be179ba7ba651fc07b
  2. 0x5869f5b8eb60822bc75bfdbdc07ab51e841f313f0baf00b84ee199e985de4a46
  3. 0x220c876fd7c8727bd3e934fd01f4ec08d391266b9fb206141ade23f557e6c6dc
  4. 0x45c68deec73fcb5ff4241adb0bdc37e2e6d3648d51ba45cff9f8c93af0792c0e
  5. 0x88cb9fdc1502493308472aadf24130fa6ec6167682b187589665f9a17cac2337
  6. 0x7457ef056de03984d997653cb5a70a918f2675bcc646df0ccb06ffca82e78a9f
  7. 0x3cc81d90dae9f85fc5ad891d8d58866793063748a5c9541a67e19b948c00329b
  8. 0x0a586595cd5deaf5a9f64fa75eb73dd19f19655039ccbcf9eb6434c11034b57f
  9. 0xd73541a388e2442c8b9a1cc584645934948b0bbdefeefed705f15a82732df1f9
  10. 0x6bef6d1f9bd06795cf32f34087a242daad9e8a2762ebe687f3b5555470937311
  11. 0x34cd0060c6df900735b6aa88a647d584520104fc04a2c8d5b37d3436121b79cb
  12. 0x4add9ebe2bbf86a7a32e3cec38874af82baf38b21fde64a6952bf3d4124e2c7f
  13. 0x9e70d944564843a0f0d88b623d628ff2e2ac17c172d4ebe0ed141fe8b9f9dae4
  14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
  15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
  16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
  17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
  18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON