← The evidence ledger
Evidence row 1516999
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-010
- Recorded
- Previous row
- #430958
- Body SHA-256
- 257ed633c13e7f4ed81ac466504c0f4ec60d8331f9190591c37392cce7845eb8
- Leaf
- 0x5ada40d3538996485bd1db805286638e58aedada793e852a7f3c1267b52b5ecf
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-02-010"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-02-010",
"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 — Record quality audit + Trailing mean series: Record quality audit + Trailing mean series 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"
}
],
"window": 2
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-02-010"
},
"sku": "assistant-ib26-education-02-010",
"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"
},
"window": {
"default": 2,
"maximum": 200,
"minimum": 2,
"type": "integer"
}
},
"required": [
"rows",
"field",
"window"
],
"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": "2026-10-31T08:51:35.323Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-31T08:51:35.064Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-02-010",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assessment item observations — Record quality audit + Trailing mean series: Record quality audit + Trailing mean series 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":"257ed633c13e7f4ed81ac466504c0f4ec60d8331f9190591c37392cce7845eb8","id":1516999,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472967365124,"prev":430958,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-010","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).
- 0x5ada52162975890bd865dc38387ef198a26c08d5f37e0915bd2b83de4805e436
- 0x5db456c943c972694789be86f181b33d89d62e1f24ada511dbb3b95d2ab17ed7
- 0xc361b56743692cde03311653481097a38dc5bc0d48c32e4ccbabd3f5dc7ca1a4
- 0xf6e0900a9ebf23bf78c64cf0eeda0e2481ec4ba3813078f8f8bf31018f8a2f80
- 0xe3e0980593c53dac19c3c6bb28d18560d90252bf76f9e45889265be82fa0a5ac
- 0xfd76810706cd8cba469f9bb65cee17590131a6bd96b37e6d652414119342095d
- 0xcb67577eeb67b30f5e793ffffa1bc6da15131460a0dc18e9536bf56a24670e46
- 0xa872a9eabf177831c542dda09b7ed198f7171aa914c23af52a9917ea77523f46
- 0xa4404a21fc6b968de4eb0db7ac2aca00ef70e3fd3d888d9ff97266e2f2720231
- 0x28e53465acd36eda1f3c6d212e60261251fbbb6cc2ffad4b901bad4470ac6af3
- 0x9afd09c350860785cb68b1159f8d8c89df44a6f49b5338270e2c42297cc73b1c
- 0x6fadba2948b309bd48a48f64fd9c137089509615974e833bfc862ecf75270ecf
- 0x3f29202637d7ceda8fabfbf7810410a7ec3b1bc07170e352d26f9ba4ee18d86c
- 0x4491b6c04d316f311f7fea4ea34ae52fbca9c230259096575b403fb7b124627a
- 0xb9a00c724331b305deaa876d5d2baf53b847ff3c7ce37abb0ae1653b2534aad5
- 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
- 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
- 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15
- Day root
- 0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab
- Chained
- 0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980
- Published
- On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0