← The evidence ledger
Evidence row 213830
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-196
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c97bcc00889575eeb91dae26e0fea58c78c6f101a1f5f901fa7cbf10b77cd5e8
- Leaf
- 0xee64558073865696702facbd9149b7b7fb48318cdbe2e7fa7d834c051e980f15
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-22-196"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-22-196",
"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": "Data collection completeness — Record quality audit + String normalisation + Numeric row ordering: Record quality audit + String normalisation + Numeric row ordering for supplied data collection completeness records (observed_values, expected_values). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 supplied-data reports for up to 200 rows.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"field": "observed_values",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"expected_values": 1,
"observed_values": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"expected_values": 2,
"observed_values": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"expected_values": 3,
"observed_values": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"expected_values": 4,
"observed_values": 30,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-22-196"
},
"sku": "assistant-ib26-education-22-196",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "observed_values",
"enum": [
"observed_values",
"expected_values"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"expected_values": 1,
"observed_values": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"expected_values": 2,
"observed_values": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"expected_values": 3,
"observed_values": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"expected_values": 4,
"observed_values": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"expected_values": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"observed_values": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"observed_values",
"expected_values"
],
"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": "2026-10-26T06:38:25.891Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T06:38:25.614Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-22-196",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Data collection completeness — Record quality audit + String normalisation + Numeric row ordering: Record quality audit + String normalisation + Numeric row ordering for supplied data collection completeness records (observed_values, expected_values). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 supplied-data reports for up to 200 rows."
}What the leaf hashes
{"body":"c97bcc00889575eeb91dae26e0fea58c78c6f101a1f5f901fa7cbf10b77cd5e8","id":213830,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026489102450,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-196","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).
- 0xee64a8d00ffaecded38e07255332cd2687aa1b67f3ae54a837131ad7c777b3ca
- 0x698acad872396f2e67fb3b6bf6060240e72e8c9e98c70221f250ea14b628265c
- 0x49327a047c59a77e4f4156a0ffa4c6ff800c28fc7366c469c97afd2301723438
- 0xac88027908e2eb72611a64fb5894e04275ac14d7777d007f46f63158bc671221
- 0x9a0d54d306f0e5e0978c181af35284bb5b9ea081f698cd6ca997f27261b998af
- 0x42c6d7cfcdcf7d246d8c3c57fbec53abdb25aeded202cb4ce6d2ef48f0001136
- 0x9f2ce29388c3fdb144d1d7bc033bfa63f433cba80c7fad594381a9aaa426e05d
- 0xfa0c63a97410343c5394a7c177246c11ba1e1aab2b11c567c830beeac4c9fcc7
- 0x7084cd3d864c3a9e0b71070dc7e40ee89972541dec82ca743206a05c94a6830d
- 0x369a54d4fb4b5d5efccd93cfab5ea92ec0db3c689c151271b86dbcfa3a3a2a8f
- 0x31325ab4dbdfc029b65672f927dfb6f0b046d1c4c19b63eb548ad58c295af08c
- 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
- 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae