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Evidence row 281401

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-194
Recorded
Previous row
#210884
Body SHA-256
6e316db59ce8e876f01584d400edf853d647730ace3fd3feb767a42bfe410654
Leaf
0x710bb4778acbc7a13dc0da48bae7f18ce8a41ce04d28cea360897b77286a4c22

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-01-194"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-01-194",
  "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 — Record quality audit + String normalisation + Grouped numeric summary: Record quality audit + String normalisation + Grouped numeric summary for supplied lesson attendance records (attendees, registered_students). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 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-01-194"
              },
              "sku": "assistant-ib26-education-01-194",
              "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": "2026-10-26T19:02:45.201Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T10:26:19.49Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-01-194",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Lesson attendance — Record quality audit + String normalisation + Grouped numeric summary: Record quality audit + String normalisation + Grouped numeric summary for supplied lesson attendance records (attendees, registered_students). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 supplied-data reports for up to 200 rows."
}

What the leaf hashes

{"body":"6e316db59ce8e876f01584d400edf853d647730ace3fd3feb767a42bfe410654","id":281401,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042549067218,"prev":210884,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-194","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. 0x710c44eab23b914683f1f84ac99e813c6e14d52901c41db277b03befea539665
  2. 0x229ad1509596deb0adcdcb12ff7f414d94a5911271820308f49b806c6b184e6e
  3. 0xe33ba545a1e967faaf9222c83c37e8d7de3d85838c464159e08633866f0014ca
  4. 0x68895cfd3f2f7c46b1bcdfb7edb0202c1c85beccc3b4f431b3d40b0ae67c4b24
  5. 0x785353f47cd55d96d7eba3c6a228ad15f51fc63bdba6712c2f32869192d6c180
  6. 0x04a5f539f3876cc6c19a61dc6078186b9eed367f56cf23f796612cfb80ae893f
  7. 0xfed934757516ae4326cd0a48438a52e58be10e3eabe43ddc5113579834e234a1
  8. 0x4399eb3e8c7c7a237508e1550823a0821d7ba2ee9a1e1a0f12c16ba537e6c0b8
  9. 0x8d94b5c628a8f0366041a08833b30a6a8d259063c9c6666177cf8390165ccf12
  10. 0x6fae3679fc5921d366ae94575352c3191431b9e169642b59711be337f82a5294
  11. 0x85ea4bbb5113622e4aa66d1805aad88594922ba95c70691ba980547dd9edd2b2
  12. 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
  13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
  14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
  15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON