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Evidence row 201933

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-100
Recorded
Previous row
#92009
Body SHA-256
dec4b7f67455567b8883ad60e5a55a026a5ba740f4b3957079bdd6f31af08b5d
Leaf
0x4c93d06546cd0db860b2276f25ee273dc0075443f6b1a30bc16f520d29a17d75

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-18-100"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-18-100",
  "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 — Category frequencies + Numeric row ordering: Category frequencies + Numeric row ordering 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-18-100"
              },
              "sku": "assistant-ib26-education-18-100",
              "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": "2026-10-26T02:15:26.303Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T02:15:26.036Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-18-100",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Question bank coverage — Category frequencies + Numeric row ordering: Category frequencies + Numeric row ordering 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":"dec4b7f67455567b8883ad60e5a55a026a5ba740f4b3957079bdd6f31af08b5d","id":201933,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026271657023,"prev":92009,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-100","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. 0x4c93e8459442ffa8077faf7a44f5e7d38ce1f9b9dbe9fc8562fb4551709048d0
  2. 0xdae6980164999780be86fa9a7c10a4871eecc73e6b4678f936ef4bd42e20de13
  3. 0x54f64cfafe9d77836aa4b934befef263b1b7e556c3c54779db996b411df952c5
  4. 0x03d19777ef7163ff273a8bf7178b7b8332c6a32c981c6d282eb08ef2ab74b750
  5. 0xe8990609d6dac51f24440781d5b04ec906997779fdc049f5f95076b5e4d047aa
  6. 0x5bb6bb3acab8c629d191337f87efc6b97eddf26a831ff10eae8f4dee9e571986
  7. 0x2d41f66470792632ccc0217dda6f6a1d1819b519b88b9805650dc15d237e4b3e
  8. 0xbd6996e0eb4eaa2ab6f578aec862a64f65acf166174eeaa4a503a8c9809505aa
  9. 0x6343b8ef0eb054a517227007b1c394c007c9fd7fc50d7bd17f8b70d9a1250bca
  10. 0x32dd5960bea005a040bbd1369f1894182fe94230e0a86fab637abe9785a5b0d9
  11. 0x4a13cd2655a1d8b39528cfa63482483519544a5eb593623bd8ca3eb463e263b6
  12. 0x9c16024747eaca32d09963ccb001059f75dcd9bb8dfc221e5234d54d2b3388d9
  13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
  14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  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