← The evidence ledger
Evidence row 92385
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-015
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f252119025db6a8a9e9caa771659bd27c810c66f02dcfd048d570252cd702dd8
- Leaf
- 0x38a23134d87084c8402368da6734e4f7378b81cacc99880a9eb4161479f67760
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-22-015"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-22-015",
"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 + Two-measure correlation: Record quality audit + Two-measure correlation for supplied data collection completeness records (observed_values, expected_values). 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": {
"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-22-015"
},
"sku": "assistant-ib26-education-22-015",
"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": "2026-10-25T05:41:10.644Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T05:41:10.441Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-22-015",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Data collection completeness — Record quality audit + Two-measure correlation: Record quality audit + Two-measure correlation for supplied data collection completeness records (observed_values, expected_values). 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":"f252119025db6a8a9e9caa771659bd27c810c66f02dcfd048d570252cd702dd8","id":92385,"kind":"listing","method":"baseline/1","observed_us":1793025536137841,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-015","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).
- 0x38a22b62f3bb93f31011d34569fd626e34f037681a74988ab4faabba373a2b6e
- 0xf6395b0862bcb2979e5ca5778419adac2eba8c34e846071bef5714c24b482a1c
- 0x2ed26b92ab79d2aca0b5c0c489b1b19bfebcc2719b3e9b37a25e429418f604be
- 0x14f34fc1dded36e31cf807da50e85a88ddf46b1b63229dcbcf9db01cf2f40878
- 0x297e20332857202c3f9f51734fd13dca19a242c6ffa1249e386391a16675399f
- 0x74bada58002f11e2c786c25b414614eb13b4c3965094b256b732f7ed43e571eb
- 0x68a1f611550d9580a482108d7bfafbf3b938ae5aef02c300ff792ab81ac9eb75
- 0x1a5f5a460c710c745f4cd6da8733f1bcb0187e608b974cd2a945e5c0326fd336
- 0x029562c7b804ed7280b173b2f9d7a748ca81adef00a5905f4ef93dda4a2fb329
- 0x031f2a2dc62cc9f38303573e8a039474f21314f51a163809ee7f24e068275a95
- 0xac34ddbc48fae726d62603aa0121ea4aa01a5fe05b84c5335b25521c1e72ed07
- 0x8b23d34f6cd746f123b1e4d09449280800a81e00febe1fd9224b6802057238d5
- 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
- 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae