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Evidence row 1811003

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-181
Recorded
Previous row
#432969
Body SHA-256
59b06ed23304a9ce2c2cd3475992eb3fdad6acbfabac2d3326964122a24c5b44
Leaf
0x265ae024dc5d445208f5929ac8febf47a22ada0ad647ccc0b5f51f434b965746

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-18-181"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-18-181",
  "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": "Question bank coverage — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean 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": {
              "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-18-181"
              },
              "sku": "assistant-ib26-education-18-181",
              "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": "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"
                  ],
                  "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": "2026-11-01T18:53:42.105Z",
    "quality": {
      "lastCalledAt": "2026-11-01T18:53:42.105Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-18-181",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Question bank coverage — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean 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":"59b06ed23304a9ce2c2cd3475992eb3fdad6acbfabac2d3326964122a24c5b44","id":1811003,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560297924019,"prev":432969,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-181","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x265a4bcc5034c3ec82be1bda7bd67794057cebe73869bb6819c197f2970c0271
  2. 0x7bbdcec10fcf8b8a00424fd4ff15516a2ab8fa453481c898825f9490bc62f1f7
  3. 0x189fc4344db38c074f30c6d4181515772e1e00769bd80c75ae93bdb7463e8a3e
  4. 0xb74480ab181efe278b3f6f73a3d0c32f9065cc663624c7aba0ec96033a3261c5
  5. 0x978c02150e76b98be1abbafbc2534487ece9aca050ca1d9b76cbd8ba5962150c
  6. 0x3f99af27e20be32b1e46987b18446f6bc376b1233bcb04fd3e840eb24c46cbcf
  7. 0xcbe42cec9662b89b0941d3a5f359efc79ca0ba149ebeb2e9dcc00ed155b38793
  8. 0xc9d9bbcb6af12afdf9d326164609c19f0f64d010e12734e5f70b78e243a6641b
  9. 0x47c0c2cfd3da834fb1d423de8ff22b81d13c14ed82ace471bcefa8a4f3b54467
  10. 0xf5a38fedc3420c14ff861d9914bb954765a8751d3491e51280cb651c12042033
  11. 0x36646bb78b5b663012c2acd95852e7a2f0869ca9ff5f965739c1487c16778c44
  12. 0xa788078ae379503bb1058e0e530f79b623de04ae86f7d1fef546b361dec3ded8
  13. 0x840f2ddc4be75904057731976db961e3f445b17d64d6af4c9dc2c387705007bf
  14. 0x3a1fd02b7b783283e5af93120711d3c5437e55d0f3e68e16f18cfe19e54cafd1
  15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
  16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
  17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON