← The evidence ledger
Evidence row 92009
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-100
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 00a5936372305486cd7405a7007ac9803e96994318bbd84c961af9a9b737672b
- Leaf
- 0xcf5301ed3a64919890583a1c3139960bc9f8b2b470dce48a0eaf13ea6916cb16
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-18-100"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-18-100",
"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": "Question bank coverage — Category frequencies + Numeric row ordering: Category frequencies + Numeric row ordering for supplied question bank coverage records (item_count, objective_count). 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": "item_count",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"item_count": 10,
"objective_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"item_count": 20,
"objective_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"item_count": 15,
"objective_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"item_count": 30,
"objective_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-18-100"
},
"sku": "assistant-ib26-education-18-100",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "item_count",
"enum": [
"item_count",
"objective_count"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"item_count": 10,
"objective_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"item_count": 20,
"objective_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"item_count": 15,
"objective_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"item_count": 30,
"objective_count": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"item_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"objective_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"item_count",
"objective_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": "2026-10-26T02:15:26.303Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-23T13:47:22.018Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-18-100",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Question bank coverage — Category frequencies + Numeric row ordering: Category frequencies + Numeric row ordering for supplied question bank coverage records (item_count, objective_count). 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":"00a5936372305486cd7405a7007ac9803e96994318bbd84c961af9a9b737672b","id":92009,"kind":"listing","method":"baseline/1","observed_us":1793025528267002,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-100","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).
- 0xcf53627403cfb81a79c4630a184362bd19ec6001e4ede739ec4bfc71c0707ece
- 0x389ad1304f45479965ec8a18b090824c03ad05c15023c3ee9b79c8d5686796c4
- 0x71c7cc78b67ee8b955d7704cefa152534e2ad63aff4d60bb85e6a075e2df7d9a
- 0x368023247b1e80ff63e6740fc51b9909e0a13e6b674ae9a2562a3054474a5d60
- 0x21c7d98e2ddd2ac1a712529410df5f51b0c0b7d94338b68dc2385056d5c4e5d9
- 0x67a8e1e9fcf5fabc4da48e3a321c457eddb2deb8c75354b31499221eb8a6f36a
- 0x32c1f5d0ccec3cb77f81b13d9f16f695affe42dabde30f2c9100c451824fe5a9
- 0x3e8d0f97e1f920a1cf4d72dbff493dbb14c9d4eb5f1a99ac832ffdd74312167b
- 0xd9144ff9b4aa9bef9059244c38ed5bc666a8c517855db69a2e2c6d406ea5aa5c
- 0x0244cbadd0e376dcf6cef79a0029830243a55cdb0c50f8a6794baf68150f943d
- 0x207f4447ed1f515deb649bcfed4e5e49ab2ac52233bfac09df6fa492c34ac758
- 0x3f401930661bff9a668037b662b5b8766fa60035f100a3e9fc585c576d892ffa
- 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae