← The evidence ledger
Evidence row 1529576
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-121
- Recorded
- Previous row
- #1285511
- Body SHA-256
- 33e0a02bebb6403996f11e47b9ab7dd24e31950244a5cf6e93d24d17f5623609
- Leaf
- 0x3431275013d209863c25d69f9e3b4a4edcaaab9869f7f0326bb67088f862bc95
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-02-121"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-02-121",
"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": "Assessment item observations — Numeric row ordering + Secondary-measure weighted mean: Numeric row ordering + Secondary-measure weighted mean for supplied assessment item observations records (correct_responses, attempts). 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": "correct_responses",
"rows": [
{
"attempts": 1,
"correct_responses": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attempts": 2,
"correct_responses": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attempts": 3,
"correct_responses": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attempts": 4,
"correct_responses": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-02-121"
},
"sku": "assistant-ib26-education-02-121",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "correct_responses",
"enum": [
"correct_responses",
"attempts"
],
"type": "string"
},
"rows": {
"default": [
{
"attempts": 1,
"correct_responses": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attempts": 2,
"correct_responses": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attempts": 3,
"correct_responses": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attempts": 4,
"correct_responses": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"attempts": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"correct_responses": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"correct_responses",
"attempts"
],
"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": "2026-10-30T22:07:25.417Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-30T22:07:24.561Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-02-121",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assessment item observations — Numeric row ordering + Secondary-measure weighted mean: Numeric row ordering + Secondary-measure weighted mean for supplied assessment item observations records (correct_responses, attempts). 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":"33e0a02bebb6403996f11e47b9ab7dd24e31950244a5cf6e93d24d17f5623609","id":1529576,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793473173379315,"prev":1285511,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-121","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (246033 rows).
- 0x3430f5b78ee36a0257631a96d1a8aa2b567d66b01ffdbf5fca1ee946ed83befb
- 0xa9306494f17d66dac378bdcc1c06c53adc27725b90720d479ae2630abca29e27
- 0xdaa5cccb90170d4b2f4341a87834e78ae0319746b3a0a7bcd42b02cb7657e9f5
- 0x19874c55c5beb4eb3c079691b3bb56b31fb8fc523d2e7e124cd9423b9d0ade73
- 0x551a3ca658d1c060a0f7e3636091e0401a64997c7704e23ccc899f4508826c76
- 0xb760573d6896663664dce5bb168db10acba17b948026304cc22fd6185c0c1c9b
- 0x13d914681f7b569df8c100ff5ad13ddec222ee8e7959a1901814b263e3072416
- 0x25d2343011ba98d12d74e135d40659cb72e2864ceca739ad9cdd04f1ac49c7c0
- 0xeb8b13fbfd681a46b30a935cd98270d5eae2ffb797c44fc9c6d4342505996354
- 0xefa74df5a6f2d48e854a3954f79d009e81e371f68d865e8cb0fc2cb71b80fca3
- 0xc82050a0150b8512c7c239add095476284b70e6e141cf271e11beea15ed450ba
- 0xc64dedfae6aff419517ac60c8175933ef90279ceb2b2962adf5fb3c9c2b4c65c
- 0x2cbd8ba738ddea6efbe473c9611c3f1a8a83deb190d22414b516f5178301062d
- 0xef0d1fd5544fb725719e2c1f829863138c2a1d7485e7f69d488a1dddb98843f6
- 0xc712f139a437e96ecb98a6d83c47c29921720c39ba2e7e94f4973de043fb567c
- 0x24ea73817c2ff07f87a42be89aff36ac5fe49b64420a647cd406ee60e6a77f70
- 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
- 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15
- Day root
- 0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab
- Chained
- 0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980
- Published
- On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0