← The evidence ledger
Evidence row 92470
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-195
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 812d16558e67f7f25c5f53bb88174a275cc2d76d8eb4f83b270e337b6344f45b
- Leaf
- 0x5de4a171c7a94e2c9bd2c55bf45f7b2ef6292bddefa757bccab6cc876a2f6ffe
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-22-195"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-22-195",
"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 + Category frequencies: Record quality audit + String normalisation + Category frequencies 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": {
"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-22-195"
},
"sku": "assistant-ib26-education-22-195",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"expected_values": 1,
"observed_values": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"expected_values": 2,
"observed_values": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"expected_values": 3,
"observed_values": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"expected_values": 4,
"observed_values": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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"
],
"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": "2026-10-25T02:25:50.202Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T02:25:49.993Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-22-195",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Data collection completeness — Record quality audit + String normalisation + Category frequencies: Record quality audit + String normalisation + Category frequencies 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":"812d16558e67f7f25c5f53bb88174a275cc2d76d8eb4f83b270e337b6344f45b","id":92470,"kind":"listing","method":"baseline/1","observed_us":1793025536250617,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-195","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).
- 0x5de4b3975d88f90fd31a84cb90ccea648f60af15e14e262b72110cdf1ee2f187
- 0x1eaf22746835b40eaaabfdc6351c03064d1f20d73687f75225343ce9fa134702
- 0x18cda8f1c7f1696bc07dcd5d05cc9a3c3d00eecdd653875c2b85969ac4e6d58e
- 0x0e33a84da8d7ef610899e870e16a940f252e093e45591bc2886f3cad7e0080e8
- 0x2621a774f43b0f8cee810e4f0da11e06b4b38bf29fae1ad7e91d42325baeffd9
- 0x3cc9c0928e67cdd8975b189eeea589602702a31d20cf91e55167bd11b7cae1c0
- 0x16cdf3189406d0fb52578b1741e5f2689355baaa5d6c181e6c35c411bf002b56
- 0x475a495a3cc8c873a72f8bb4392160fbfbcc532647c5221547f927f699bba5a3
- 0x58cf3e668681453283a9ec044f89a8e224d42b88ac092d9414435eec41da281e
- 0x116728891cb4c83d2e8172d6192a92a31125d01dcb46174186e930ee9a03ea1a
- 0xb91bf0ba3ebff769d1b88f93fcb076477149787a7e31c3c28ce4fe8823b7c144
- 0x2121cc2dbcb8663af57743dc445c8a59e5bbfffe89703f0606c9843f0d35aff8
- 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
- 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae