← The evidence ledger
Evidence row 1271839
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-05-177
- Recorded
- Previous row
- #1047846
- Body SHA-256
- 60eb324af358a4c88ec3c897825dea5b924ec49d3a55b77958cbf48faba84601
- Leaf
- 0xb454918d43d0e12e48f4be3da15f5e57e461f9c7a5f1d8a36f9a09b6d280b693
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-05-177"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-05-177",
"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": "Assignment turnaround — IQR outlier flags + Secondary-measure weighted mean: IQR outlier flags + Secondary-measure weighted mean for supplied assignment turnaround records (submission_count, feedback_hours). 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": "submission_count",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"feedback_hours": 1,
"row_id": "row-1",
"submission_count": 10
},
{
"course_group": "group-b",
"date": "2026-10-02",
"feedback_hours": 2,
"row_id": "row-2",
"submission_count": 20
},
{
"course_group": "group-a",
"date": "2026-10-03",
"feedback_hours": 3,
"row_id": "row-3",
"submission_count": 15
},
{
"course_group": "group-b",
"date": "2026-10-04",
"feedback_hours": 4,
"row_id": "row-4",
"submission_count": 30
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-05-177"
},
"sku": "assistant-ib26-education-05-177",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "submission_count",
"enum": [
"submission_count",
"feedback_hours"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"feedback_hours": 1,
"row_id": "row-1",
"submission_count": 10
},
{
"course_group": "group-b",
"date": "2026-10-02",
"feedback_hours": 2,
"row_id": "row-2",
"submission_count": 20
},
{
"course_group": "group-a",
"date": "2026-10-03",
"feedback_hours": 3,
"row_id": "row-3",
"submission_count": 15
},
{
"course_group": "group-b",
"date": "2026-10-04",
"feedback_hours": 4,
"row_id": "row-4",
"submission_count": 30
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"feedback_hours": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"submission_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"submission_count",
"feedback_hours"
],
"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": "2026-10-30T14:13:22.41Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-30T14:13:22.125Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-05-177",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assignment turnaround — IQR outlier flags + Secondary-measure weighted mean: IQR outlier flags + Secondary-measure weighted mean for supplied assignment turnaround records (submission_count, feedback_hours). 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":"60eb324af358a4c88ec3c897825dea5b924ec49d3a55b77958cbf48faba84601","id":1271839,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385814641301,"prev":1047846,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-05-177","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).
- 0xb454827e0142ed144edc51e0a170f2b5758c85bf03b384a9f2db7b25f8137453
- 0xc00000f6afec203786b277ec4c88d5dc642f53200b7179282874fb4ec9716d38
- 0x356c0ac80f199ff6c818ef0dc0c199ec5c8a382f89825d633976dbdb6a11be78
- 0xf9756dae9f40a5ef6f78f9b9b9be7f5412980a7429fb17acf2276058bcfd19dd
- 0x7c5ef7ad427c0b6a0063336b8fbc08233fb500730e3c24e7acdc00ffbf0c749b
- 0xf1a0ce54342748ef7622bbc21b0e96a8c1731eb4d897a790dcc833cd39b99e9b
- 0x55aa30ba21680669cf354a273eb86eedd88b5777d96d2937210b9909458b4776
- 0x1208e042bf26ef3e225366140de87eb75d3da21cac420642f4cad49ebe7d7d55
- 0xc135aef2811f301011e1917507a0c0e6b87f1773b25c697c73b4eea644cf24c1
- 0xe65cbe0fc4ea9cf86ec0e0e4fa65e7f252c660d99965b4fafd67ef22aac7071a
- 0x6c381220e86e111d5a303f0b376e95e8702e6b53f1640f412e8717b4d5ab46df
- 0x4fccc542268f83b50a8225aef38b6d5a288a9225c50ba8862f1d909b28a1a6d0
- 0x6d3f5dcc69c62fa01ce1c449d5b1e64f9183cf6457008284fb115d3a05c4b11f
- 0x4943cf5368ac3124a50a8845e933556cda4f3f7ee527441ef6351afbceee79d8
- 0xa0b1f6bc1eecfaf70581673c1a7f638b96d1769a5c578c460337f7db0dbe963e
- 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
- 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
- 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861