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Evidence row 211151

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-04-163
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
989bd471253dd53af30e9b15c834442a528eb2c521ea9db1aa7386d750e42278
Leaf
0x7ad33fb58c223f1c23e0fa8446844e1d4fb47d9602e6bfdb9fe9951fe1ba84ae

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-04-163"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-04-163",
  "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": "Reading activity — Base-100 series + Equal-width histogram: Base-100 series + Equal-width histogram for supplied reading activity records (pages_read, reading_minutes). 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": {
              "base_index": 0,
              "bins": 5,
              "field": "pages_read",
              "rows": [
                {
                  "course_group": "group-a",
                  "date": "2026-10-01",
                  "pages_read": 10,
                  "reading_minutes": 1,
                  "row_id": "row-1"
                },
                {
                  "course_group": "group-b",
                  "date": "2026-10-02",
                  "pages_read": 20,
                  "reading_minutes": 2,
                  "row_id": "row-2"
                },
                {
                  "course_group": "group-a",
                  "date": "2026-10-03",
                  "pages_read": 15,
                  "reading_minutes": 3,
                  "row_id": "row-3"
                },
                {
                  "course_group": "group-b",
                  "date": "2026-10-04",
                  "pages_read": 30,
                  "reading_minutes": 4,
                  "row_id": "row-4"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "files": [],
              "order_id": "ord_example",
              "result": {
                "completed": true,
                "workflow": "ib26-education-04-163"
              },
              "sku": "assistant-ib26-education-04-163",
              "status": "delivered"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "base_index": {
                      "default": 0,
                      "maximum": 199,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "bins": {
                      "default": 5,
                      "maximum": 30,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "field": {
                      "default": "pages_read",
                      "enum": [
                        "pages_read",
                        "reading_minutes"
                      ],
                      "type": "string"
                    },
                    "rows": {
                      "default": [
                        {
                          "course_group": "group-a",
                          "date": "2026-10-01",
                          "pages_read": 10,
                          "reading_minutes": 1,
                          "row_id": "row-1"
                        },
                        {
                          "course_group": "group-b",
                          "date": "2026-10-02",
                          "pages_read": 20,
                          "reading_minutes": 2,
                          "row_id": "row-2"
                        },
                        {
                          "course_group": "group-a",
                          "date": "2026-10-03",
                          "pages_read": 15,
                          "reading_minutes": 3,
                          "row_id": "row-3"
                        },
                        {
                          "course_group": "group-b",
                          "date": "2026-10-04",
                          "pages_read": 30,
                          "reading_minutes": 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"
                          },
                          "pages_read": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "reading_minutes": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "row_id": {
                            "default": "",
                            "maxLength": 80,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "row_id",
                          "course_group",
                          "date",
                          "pages_read",
                          "reading_minutes"
                        ],
                        "type": "object"
                      },
                      "maxItems": 200,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "rows",
                    "field",
                    "base_index",
                    "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": "2026-10-26T10:06:36.426Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T10:06:36.137Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-04-163",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Reading activity — Base-100 series + Equal-width histogram: Base-100 series + Equal-width histogram for supplied reading activity records (pages_read, reading_minutes). 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":"989bd471253dd53af30e9b15c834442a528eb2c521ea9db1aa7386d750e42278","id":211151,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026460538902,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-04-163","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. 0x7ad3078473c504f4e14d4e760c0eb661c6eb807f3f00d1103a5bf5ba831c0689
  2. 0xdbffec4b864ad48cebdccdbe89bcb11411ff1d2d544c7665e7b2abdc2e0ee342
  3. 0x79617deaf0261dc12a62146dcb7a87ee3ace7fbccac35c5a18e7cfbae831679f
  4. 0x828c3bcfca6a1b9d50411fc0b9cfec60c816965f1b1604777f6e5a4dfbea8353
  5. 0xd7c57640e3435dc95c000238ddeba603005eca27132782264f8c8a2bd2e3d3b3
  6. 0xce7867775d7c3cba175cc13c5dc4a5a10d4923f1fa86e6e8c5f5837bae31602b
  7. 0xc75ebcb7359aa7c8f46787c6aeae2012f5b7c4c44daf74580699fbf06606a6bd
  8. 0x08f720718f17fa6fdc02f7e826b645882866efd292fb9bc1be7fe5cdd9b2e803
  9. 0x8538b668ed58b72cabc6b99d60f85a3ea2176e1d3ec947794899400b5f19d061
  10. 0x227b1846e9338d14a584d945977a59dd6a05f2e84a33212202400515ac9c0632
  11. 0xe7152aaccc7d7d5da2d13bc6ee8ec470b8c1a5abe7dfed1431f0ed53ec50ebc5
  12. 0xa6406b1a5540d26e0cbd03bb274a01c10968fadb17913a6043bb9427ddfb71ba
  13. 0x01c95624b1f2385ef774ee258a9ae58a4df07a1bdaa829de84e1d5201f3f39c2
  14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
  15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON