addrbookFor publishers
← The evidence ledger

Evidence row 202753

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-219
Recorded
Previous row
#92484
Body SHA-256
ab55e860fe28095b8074f3367f7b2fad111cc9b503ae65cf380177bce00a128a
Leaf
0xe2f7f019eaef74be4c66f0cfb0d869a9198f3921e1112aa7537a7dfae8fcc7ac

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-22-219"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-22-219",
  "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": "Data collection completeness — Record quality audit + Exact row deduplication + Equal-width histogram: Record quality audit + Exact row deduplication + Equal-width histogram for supplied data collection completeness records (observed_values, expected_values). 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": {
              "bins": 5,
              "field": "observed_values",
              "rows": [
                {
                  "course_group": "group-a",
                  "date": "2026-10-01",
                  "expected_values": 1,
                  "observed_values": 10,
                  "row_id": "row-1"
                },
                {
                  "course_group": "group-b",
                  "date": "2026-10-02",
                  "expected_values": 2,
                  "observed_values": 20,
                  "row_id": "row-2"
                },
                {
                  "course_group": "group-a",
                  "date": "2026-10-03",
                  "expected_values": 3,
                  "observed_values": 15,
                  "row_id": "row-3"
                },
                {
                  "course_group": "group-b",
                  "date": "2026-10-04",
                  "expected_values": 4,
                  "observed_values": 30,
                  "row_id": "row-4"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "files": [],
              "order_id": "ord_example",
              "result": {
                "completed": true,
                "workflow": "ib26-education-22-219"
              },
              "sku": "assistant-ib26-education-22-219",
              "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": "observed_values",
                      "enum": [
                        "observed_values",
                        "expected_values"
                      ],
                      "type": "string"
                    },
                    "rows": {
                      "default": [
                        {
                          "course_group": "group-a",
                          "date": "2026-10-01",
                          "expected_values": 1,
                          "observed_values": 10,
                          "row_id": "row-1"
                        },
                        {
                          "course_group": "group-b",
                          "date": "2026-10-02",
                          "expected_values": 2,
                          "observed_values": 20,
                          "row_id": "row-2"
                        },
                        {
                          "course_group": "group-a",
                          "date": "2026-10-03",
                          "expected_values": 3,
                          "observed_values": 15,
                          "row_id": "row-3"
                        },
                        {
                          "course_group": "group-b",
                          "date": "2026-10-04",
                          "expected_values": 4,
                          "observed_values": 30,
                          "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"
                          },
                          "expected_values": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "observed_values": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "row_id": {
                            "default": "",
                            "maxLength": 80,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "row_id",
                          "course_group",
                          "date",
                          "observed_values",
                          "expected_values"
                        ],
                        "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": "2026-10-26T08:33:06.641Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T08:33:06.403Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-22-219",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Data collection completeness — Record quality audit + Exact row deduplication + Equal-width histogram: Record quality audit + Exact row deduplication + Equal-width histogram for supplied data collection completeness records (observed_values, expected_values). 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":"ab55e860fe28095b8074f3367f7b2fad111cc9b503ae65cf380177bce00a128a","id":202753,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026283063671,"prev":92484,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-219","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. 0xe2f80ed01a5983e677b16b530594c744b5e1fff54e41d7cac9123eb8908b8ff1
  2. 0xbce6f93e4e79a800f2e40de4c93de772018cc85b074134268002d3e5eeed761b
  3. 0xc7daabbe0c8ce6570b6d93344362c3f469384f366437c735805d3fab7d7728ba
  4. 0x6d921efb588cd37ffb6540dd5dc84145bc3300659c3a4ceb3cf6f31559265290
  5. 0x005580869339f7dc88065f8530680c46fc2a24c43c5912abeaf181fcd4d36690
  6. 0xc10d74057a286eeeb4eb5b869c430f21e69cf669bb765d635bdbc4bf42818c71
  7. 0x908f6c9e1eac15444e3200c9c57fa4dd5fa9a091590050ab003fe7161d37be44
  8. 0xbc94786cbdd3a1ecac578614720b6c8ea014f8325ec8d4468819543dd00221bb
  9. 0x5c7eb6ae3cc0d3a86ba7b53744b81a3ba31a82de62be19ca8fc901443f5be623
  10. 0x5692ec6ba832f6cc4dbe53481b47f761ef42ae1d89759bce2e5e78dfc6a18191
  11. 0xdf3f95c9d849961694a4ee89abdfac5cbfb97e2ba08a6ad3eefe16691598b4f5
  12. 0x8e135936797442c4eea61915f2c9f8f6df06e1322204cd0e6986ada3e54c77cc
  13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
  14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
  15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
  16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
  17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON