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Evidence row 1043442

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-181
Recorded
Previous row
#759834
Body SHA-256
443c0d6a6aed15b285056de1a33dd5dd6cb8beb355ac95af405f93afa8a2e5f7
Leaf
0xb83f7eef62f83408db187951b3f283798e781c1e81cf3d6a1eb569a19da02588

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-01-181"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-01-181",
  "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 — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean 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": {
              "field": "attendees",
              "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-01-181"
              },
              "sku": "assistant-ib26-education-01-181",
              "status": "delivered"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "field": {
                      "default": "attendees",
                      "enum": [
                        "attendees",
                        "registered_students"
                      ],
                      "type": "string"
                    },
                    "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",
                    "field"
                  ],
                  "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": "2026-10-29T16:17:21.706Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T16:17:21.519Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-01-181",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Lesson attendance — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean 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":"443c0d6a6aed15b285056de1a33dd5dd6cb8beb355ac95af405f93afa8a2e5f7","id":1043442,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298648280075,"prev":759834,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-181","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).

  1. 0xb83f77328de79941c3170bc9e0d9c26becfbc86d3792431eba4224fe4d276e7a
  2. 0x948a2d806a28753f3e90d43f66c838834534070e4991680c501362fa047cd170
  3. 0xcda38de3172ad8722e0a2dd15cb5efb4ad36e7fed24e79c8187c4d88ac97be2d
  4. 0x140d958e2575e2fc9c6380d3aef3fbf43bf929a2be4528fc7658cd93ba6c7f77
  5. 0x53fa916cccaf2c6444f75ea02fad0a7b901f7cf4ba632d6239a1f2958d82aa68
  6. 0x1516f34d5f199e942f75bde966164ba333aaebde0d1fcea6ed7e431bf2fbcd19
  7. 0xda39c84d94ec50d8da9c686ebb16be1d81f58850d754b6ebaaaf154f805c2632
  8. 0xc3255a7542184133f9d368a7a1b293f7ca3f1ae81b8de7866cb024766c408e33
  9. 0x9f4db8bf96ae159bed8b8f29a494960b29f68fb53f520539285fdca8a488df5d
  10. 0x7e424c0b95e18cb006aca76f4b74969e45becb83496b09ffd43e9599d772ce18
  11. 0xd07445039c74815ee07d32b45bb4e3a08c22288e5d95f9e85ae71c83f34cb199
  12. 0xbf1c3062706e2770f96c324c7e622538f707fe1e69cbe00ed58ff00170fa818f
  13. 0x43b137280a2d52b448f2b8cd8b398476e85b20c963b64b48ff126cff6ec4a020
  14. 0x25bdeb6e977b537e5ffb55862bdb08b7a547e08d655551b6a97e31264fefa58a
  15. 0xaa1d19094c2ce6d011a3c40533fa7efee207719d6c482ffc47018b28e5518acc
  16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
  17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
  18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785
Day root
0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
Chained
0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
Published
On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1

How to check it · This row as JSON