← The evidence ledger
Evidence row 115950
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-sector-analytics-training-attendance-group-summary
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ffd4773c3af0547a918d93e6f84e782069805a20b448900a164f6153f099de40
- Leaf
- 0x77c90f4686ccb2825c021c33eeb18d476e5b126a68953d06256d2f25db8f8216
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-sector-analytics-training-attendance-group-summary"
]
],
"name": "market.datapackvibe.com/x402/assistant-sector-analytics-training-attendance-group-summary",
"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": "Training attendance - Grouped numeric summary: Grouped numeric summary for Training attendance. Up to 200 supplied typed records. Local numeric and data-quality processing; no external enrichment or forecasting. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded grouped numeric summary deliverable.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"field": "attendees",
"rows": [
{
"attendees": 10,
"completions": 1,
"course": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attendees": 20,
"completions": 2,
"course": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attendees": 15,
"completions": 3,
"course": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attendees": 30,
"completions": 4,
"course": "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": "sector-analytics-training-attendance-group-summary"
},
"sku": "assistant-sector-analytics-training-attendance-group-summary",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "attendees",
"enum": [
"attendees",
"completions"
],
"type": "string"
},
"rows": {
"default": [
{
"attendees": 10,
"completions": 1,
"course": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attendees": 20,
"completions": 2,
"course": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attendees": 15,
"completions": 3,
"course": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attendees": 30,
"completions": 4,
"course": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"attendees": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"completions": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course",
"date",
"attendees",
"completions"
],
"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": "2026-10-22T19:26:30.237Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-22T19:26:27.366Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-sector-analytics-training-attendance-group-summary",
"tags": [
"ai",
"sector-analytics",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Training attendance - Grouped numeric summary: Grouped numeric summary for Training attendance. Up to 200 supplied typed records. Local numeric and data-quality processing; no external enrichment or forecasting. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded grouped numeric summary deliverable."
}What the leaf hashes
{"body":"ffd4773c3af0547a918d93e6f84e782069805a20b448900a164f6153f099de40","id":115950,"kind":"listing","method":"baseline/1","observed_us":1793025608905855,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-sector-analytics-training-attendance-group-summary","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).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae