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Evidence row 554594

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-051
Recorded
Previous row
#436357
Body SHA-256
669904dea782c2f7883e586ca609f6310144a46045476346e5e5f061ae3b6f0d
Leaf
0xb32ef2df9b491b98c406d250857053945ca7f8327ab3c10768d7492c83a192f1

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-01-051"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-01-051",
  "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 — Exact row deduplication + Secondary-measure weighted mean: Exact row deduplication + 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-01-051"
              },
              "sku": "assistant-ib26-education-01-051",
              "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": "2026-10-27T07:11:51.594Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T07:11:51.393Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-01-051",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Lesson attendance — Exact row deduplication + Secondary-measure weighted mean: Exact row deduplication + 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":"669904dea782c2f7883e586ca609f6310144a46045476346e5e5f061ae3b6f0d","id":554594,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133627440808,"prev":436357,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-051","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0xb32ef726b51ce26497ba7688450473daa57791b2558909de9df9ea777c1b1aa6
  2. 0xf82e093236f60372729915e774594a16b5632db3f93897ecf02a91c3e59933e4
  3. 0xa76cf22639b954b18dd3fb06a002416e3c1ef7ebc230bf0b237eb800cdf7f253
  4. 0x8fb3410b3c1926236a48f3cf663ea975ed106ea0aead72f1c31c16290a80f5ac
  5. 0x7a554cb927c97f3419178e258eff035af3b09677f65de12498398df1801d60f4
  6. 0xdfaa6221f8643fa8c2087df78cfdefd8a54b1efee985ad7692ef244da5400c7c
  7. 0x61d6d3b1bce87be02c74eb9879ed25a6f73637a83a7994415d91175f4edfbe2a
  8. 0xf65a8de462c69175a1a96667101760cfe81b3033102c120b573f93cfd90952ec
  9. 0x66641a5de5773f191ee4c359122b78665def3f4c25f20287284b8f42f36b6e7f
  10. 0x70e1a807254d3ffa88dc48fdd8a48e01352e196a3337a1b38bc0fb82b21b0c40
  11. 0x86028923d07588db14494db8e3f5477d37f29bebfab3475069528bce48c5f3c8
  12. 0x305c0e886bebb6df8123db384ccd0d5bfc3ddf1de5fbf4edca0aea32f7e223a0
  13. 0xf1104ea7df082465ff9df25ed29be80a0ac7c1c6b25c289b5d2e6ae5e6331952
  14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
  15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
  16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
  17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
  18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON