← The evidence ledger
Evidence row 90743
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-05-199
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e6735e318570c0d53c40f1a23ed7c87b4465dcbf800a727e02caad7ac6deccbc
- Leaf
- 0xaf1b462016326f2af05f171298103042e5e1d85b5e68e731c2d2e0411721a4cf
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-05-199"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-05-199",
"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": "Assignment turnaround — Record quality audit + String normalisation + Trailing mean series: Record quality audit + String normalisation + Trailing mean series for supplied assignment turnaround records (submission_count, feedback_hours). 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": "submission_count",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"feedback_hours": 1,
"row_id": "row-1",
"submission_count": 10
},
{
"course_group": "group-b",
"date": "2026-10-02",
"feedback_hours": 2,
"row_id": "row-2",
"submission_count": 20
},
{
"course_group": "group-a",
"date": "2026-10-03",
"feedback_hours": 3,
"row_id": "row-3",
"submission_count": 15
},
{
"course_group": "group-b",
"date": "2026-10-04",
"feedback_hours": 4,
"row_id": "row-4",
"submission_count": 30
}
],
"window": 2
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-05-199"
},
"sku": "assistant-ib26-education-05-199",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "submission_count",
"enum": [
"submission_count",
"feedback_hours"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"feedback_hours": 1,
"row_id": "row-1",
"submission_count": 10
},
{
"course_group": "group-b",
"date": "2026-10-02",
"feedback_hours": 2,
"row_id": "row-2",
"submission_count": 20
},
{
"course_group": "group-a",
"date": "2026-10-03",
"feedback_hours": 3,
"row_id": "row-3",
"submission_count": 15
},
{
"course_group": "group-b",
"date": "2026-10-04",
"feedback_hours": 4,
"row_id": "row-4",
"submission_count": 30
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"feedback_hours": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"submission_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"submission_count",
"feedback_hours"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
},
"window": {
"default": 2,
"maximum": 200,
"minimum": 2,
"type": "integer"
}
},
"required": [
"rows",
"field",
"window"
],
"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": "2026-10-26T00:53:41.617Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T01:10:03.566Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-05-199",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assignment turnaround — Record quality audit + String normalisation + Trailing mean series: Record quality audit + String normalisation + Trailing mean series for supplied assignment turnaround records (submission_count, feedback_hours). 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":"e6735e318570c0d53c40f1a23ed7c87b4465dcbf800a727e02caad7ac6deccbc","id":90743,"kind":"listing","method":"baseline/1","observed_us":1793025525328032,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-05-199","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).
- 0xaf1b453c8625e89a60233121b756f9d316e8dc7fc4ba2424f24641a5da608fcf
- 0x0f10e115a01cb7ab79d67aad0e5d9ea8822e0b243e2694cb3e31afafc5a564fb
- 0x232c4be2c89065ef79b6a8498f8299d21132e10c328290be2ae17e6be84a4393
- 0x2a90dcc5f3432ab1e55372b1afcd485e3858c9e9e22fafe60444631c8bfa17d2
- 0xa4592b799bb5de87e6e8a94a4c6a38bce8f6856000ea9d75f773da29bc6dae8c
- 0xdf979c4b91c76d389016bf78c510d0c53a7b44d3aa2f42d2ed5107dfb210640b
- 0x589771e91730fa7f60d744a67a8932749d2a95f8a7fc8efca53223a75ce360bc
- 0xc4467f6f91c72b18ff817007efd0ef2b7969e758ea47595c67aba5b3a882b646
- 0xac97b06775665004c51ae66ecc29bd1a92b27f193962906447c8a24f5640bab8
- 0x3107fa81688f3046afda2f948045d364316b247469a8a303ed99d9184e826a89
- 0x863ea2425c8cc958ae125e95c3e3170c9ac576a8c72849cb3f596e616b6fd6a8
- 0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
- 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
- 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae