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Evidence row 788156

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-106
Recorded
Previous row
#431824
Body SHA-256
c4f5619b9aa90f382c1d8a2baa0df7ec75845cecd0a614160b2c8d12eef8a672
Leaf
0xdd3fa4553bda066efe11feac7b9ff52e477ffe4011df50f41b794971edab6dc8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-02-106"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-02-106",
  "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": "Assessment item observations — Category frequencies + Equal-width histogram: Category frequencies + Equal-width histogram for supplied assessment item observations records (correct_responses, attempts). 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": {
              "bins": 5,
              "field": "correct_responses",
              "rows": [
                {
                  "attempts": 1,
                  "correct_responses": 10,
                  "course_group": "group-a",
                  "date": "2026-10-01",
                  "row_id": "row-1"
                },
                {
                  "attempts": 2,
                  "correct_responses": 20,
                  "course_group": "group-b",
                  "date": "2026-10-02",
                  "row_id": "row-2"
                },
                {
                  "attempts": 3,
                  "correct_responses": 15,
                  "course_group": "group-a",
                  "date": "2026-10-03",
                  "row_id": "row-3"
                },
                {
                  "attempts": 4,
                  "correct_responses": 30,
                  "course_group": "group-b",
                  "date": "2026-10-04",
                  "row_id": "row-4"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "files": [],
              "order_id": "ord_example",
              "result": {
                "completed": true,
                "workflow": "ib26-education-02-106"
              },
              "sku": "assistant-ib26-education-02-106",
              "status": "delivered"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "bins": {
                      "default": 5,
                      "maximum": 30,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "field": {
                      "default": "correct_responses",
                      "enum": [
                        "correct_responses",
                        "attempts"
                      ],
                      "type": "string"
                    },
                    "rows": {
                      "default": [
                        {
                          "attempts": 1,
                          "correct_responses": 10,
                          "course_group": "group-a",
                          "date": "2026-10-01",
                          "row_id": "row-1"
                        },
                        {
                          "attempts": 2,
                          "correct_responses": 20,
                          "course_group": "group-b",
                          "date": "2026-10-02",
                          "row_id": "row-2"
                        },
                        {
                          "attempts": 3,
                          "correct_responses": 15,
                          "course_group": "group-a",
                          "date": "2026-10-03",
                          "row_id": "row-3"
                        },
                        {
                          "attempts": 4,
                          "correct_responses": 30,
                          "course_group": "group-b",
                          "date": "2026-10-04",
                          "row_id": "row-4"
                        }
                      ],
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "attempts": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "correct_responses": {
                            "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"
                          },
                          "row_id": {
                            "default": "",
                            "maxLength": 80,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "row_id",
                          "course_group",
                          "date",
                          "correct_responses",
                          "attempts"
                        ],
                        "type": "object"
                      },
                      "maxItems": 200,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "rows",
                    "field",
                    "bins"
                  ],
                  "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": "2026-10-28T09:08:41.531Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T09:08:41.304Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-02-106",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Assessment item observations — Category frequencies + Equal-width histogram: Category frequencies + Equal-width histogram for supplied assessment item observations records (correct_responses, attempts). 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":"c4f5619b9aa90f382c1d8a2baa0df7ec75845cecd0a614160b2c8d12eef8a672","id":788156,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211440998607,"prev":431824,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-106","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).

  1. 0xdd3fb42655a9b58d36263e408986e39906f443c3f2712347869911327016f326
  2. 0x35000b46b3d4327dba2f223790b21cc7b9d9d2756823ba9b2a60f90bf91bf31c
  3. 0xa57a9f8bdbc35bdb85e71862a6965c7a7696439f3e5cf742ab1a9b43dd1a2259
  4. 0xb83f318980561411b7d43d201b62dfe01f96b90237c70e9a08e10cc6ec4377ff
  5. 0x41df00a84554fb69144cbde1dc6683aa378b3027c5223da40e675298ac72a188
  6. 0x420fce45bc11b1392dd0d0f1819a4404ec2ea2345bb028e37b9531dc535bf5f9
  7. 0xb1d0bd5761d82b3accb06c30510e690eff0da9f573c1f8135f6792d2cc8bffd6
  8. 0xe80e7fcff151924f500a37e7c6426e9be1138962bc517156d0a6369251c1bc3c
  9. 0xf6121539f62d4ed77623c5a300ea542140ec030b987c268896376f8766d71c94
  10. 0x45c8a1b2ce593f828e1d74e55661f0695b3b84705b48bebe0fad1043b8d5d06a
  11. 0x37db91bb091cf67f1c611687546124aa47df66aac4a9db09bb374ba88779f7ff
  12. 0xd9780e5731cbd1937161b610d28ec8ca9bc3bd967d3ebb457c3fdbd175516124
  13. 0x82ed78906403b92178e04c4dd2d8720cd186be1cf80227fb38b0ce1778f2e146
  14. 0x4c91c1a674a62931ce621a521121f13a2bd017a2cbd5ae2510623cd559d36663
  15. 0x334629b51e7dfb2339fa4fd14202e288d70dbaccb3e5b04d2d5fb8f0d489ce5e
  16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
  17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
  18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af
Day root
0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
Chained
0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
Published
On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae

How to check it · This row as JSON