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Evidence row 1803198

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-193
Recorded
Previous row
#1529805
Body SHA-256
3c02a166cfba3d8ba7f819f9fcfe34d0c9e6fc1af7d6f2d9e2c47a5ce75ae2ab
Leaf
0x9976a2038fa8f1a474c9fb6d4708beb5cb3d9ebfa525d5516f930cfbb07bd706

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-ib26-education-06-193"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-ib26-education-06-193",
  "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": "Lab observations — Record quality audit + String normalisation + Numeric distribution: Record quality audit + String normalisation + Numeric distribution for supplied lab observations records (measurement, replicate_count). 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": {
              "field": "measurement",
              "rows": [
                {
                  "course_group": "group-a",
                  "date": "2026-10-01",
                  "measurement": 10,
                  "replicate_count": 1,
                  "row_id": "row-1"
                },
                {
                  "course_group": "group-b",
                  "date": "2026-10-02",
                  "measurement": 20,
                  "replicate_count": 2,
                  "row_id": "row-2"
                },
                {
                  "course_group": "group-a",
                  "date": "2026-10-03",
                  "measurement": 15,
                  "replicate_count": 3,
                  "row_id": "row-3"
                },
                {
                  "course_group": "group-b",
                  "date": "2026-10-04",
                  "measurement": 30,
                  "replicate_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-06-193"
              },
              "sku": "assistant-ib26-education-06-193",
              "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": "measurement",
                      "enum": [
                        "measurement",
                        "replicate_count"
                      ],
                      "type": "string"
                    },
                    "rows": {
                      "default": [
                        {
                          "course_group": "group-a",
                          "date": "2026-10-01",
                          "measurement": 10,
                          "replicate_count": 1,
                          "row_id": "row-1"
                        },
                        {
                          "course_group": "group-b",
                          "date": "2026-10-02",
                          "measurement": 20,
                          "replicate_count": 2,
                          "row_id": "row-2"
                        },
                        {
                          "course_group": "group-a",
                          "date": "2026-10-03",
                          "measurement": 15,
                          "replicate_count": 3,
                          "row_id": "row-3"
                        },
                        {
                          "course_group": "group-b",
                          "date": "2026-10-04",
                          "measurement": 30,
                          "replicate_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"
                          },
                          "measurement": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "replicate_count": {
                            "maximum": 1000000000000,
                            "minimum": -1000000000000,
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "row_id": {
                            "default": "",
                            "maxLength": 80,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "row_id",
                          "course_group",
                          "date",
                          "measurement",
                          "replicate_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": "2026-11-01T13:52:50.645Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T13:52:50.293Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-06-193",
    "tags": [
      "ai",
      "learning",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Lab observations — Record quality audit + String normalisation + Numeric distribution: Record quality audit + String normalisation + Numeric distribution for supplied lab observations records (measurement, replicate_count). 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":"3c02a166cfba3d8ba7f819f9fcfe34d0c9e6fc1af7d6f2d9e2c47a5ce75ae2ab","id":1803198,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560196013669,"prev":1529805,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-193","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. 0x99766a15900d0df4e58d3f7caa42aff6fba3e149bd716eda3c8f87cf3e971cad
  2. 0x8151151a9cf26cbc3275d6451528f1ba33adb826b858160f65cb8da58baf5d58
  3. 0x95a393321f904fec3f3e2513a7c71bdba92736ee134eed57fdbbb46af474e094
  4. 0x20c0d93569b2d8f1296b953698e23bb5ddc6347e7273c7bdb54ac819c49f6b01
  5. 0x50e4cd41f9f836e67df9c73a19e470102d3d0a494ec2d2a6c453fa9391f0ad85
  6. 0xedd3a9d5e4d850d307a08b79bcdda7cda241453eb60c66c6c661db0fe50c4ac4
  7. 0x95f6f924f5e460b7554a0b1677d7a0cad695c8a3e2d7f3b990e15cfa46e8d06a
  8. 0x9d6b3151aaded0d05327f67011db4bc1fb2bb3e57dc16d4728935c0967cd6dca
  9. 0x31dd06b5d364c7b002409c41978efed9f92040bd73e629897621ebb09aa9c97c
  10. 0xff35f9914a8a2b8e1e95b557e290f3c311d6b684045c125e24f965c285a39d33
  11. 0x6f327f582144f1c59ad866bbc36812995a7cff7d3570a4641f1bfd7d6b274a37
  12. 0x00501794f8f8ab636f8f5823349b041054f10e1daf5ff33f9c58fb4581120bcf
  13. 0xb57858c9b723be1615b551d396a235a4b04c35c7b3d756ec3335a4f69375f8f3
  14. 0x82d96787431d530f2599d2a77b24c7b5e6f2bf6720f7cd054b4dc0d4ba248628
  15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
  16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
  17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON