← The evidence ledger
Evidence row 90336
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-192
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2ed80c6163a313732ba80f79099d9943f522f7d8ec0d8b6d3be8038f24acd063
- Leaf
- 0x3b8cf7193027ccaf8e113c6e1d8c53c412953b2d26993eaf6bcd0aad49b0b9cb
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-01-192"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-01-192",
"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": "Lesson attendance — Record quality audit + String normalisation + Duplicate key report: Record quality audit + String normalisation + Duplicate key report for supplied lesson attendance records (attendees, registered_students). 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": [
{
"attendees": 10,
"course_group": "group-a",
"date": "2026-10-01",
"registered_students": 1,
"row_id": "row-1"
},
{
"attendees": 20,
"course_group": "group-b",
"date": "2026-10-02",
"registered_students": 2,
"row_id": "row-2"
},
{
"attendees": 15,
"course_group": "group-a",
"date": "2026-10-03",
"registered_students": 3,
"row_id": "row-3"
},
{
"attendees": 30,
"course_group": "group-b",
"date": "2026-10-04",
"registered_students": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-01-192"
},
"sku": "assistant-ib26-education-01-192",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"rows": {
"default": [
{
"attendees": 10,
"course_group": "group-a",
"date": "2026-10-01",
"registered_students": 1,
"row_id": "row-1"
},
{
"attendees": 20,
"course_group": "group-b",
"date": "2026-10-02",
"registered_students": 2,
"row_id": "row-2"
},
{
"attendees": 15,
"course_group": "group-a",
"date": "2026-10-03",
"registered_students": 3,
"row_id": "row-3"
},
{
"attendees": 30,
"course_group": "group-b",
"date": "2026-10-04",
"registered_students": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"attendees": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"registered_students": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"attendees",
"registered_students"
],
"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": "2026-10-26T04:40:15.69Z",
"quality": {
"lastCalledAt": "2026-10-26T04:40:15.69Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-01-192",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Lesson attendance — Record quality audit + String normalisation + Duplicate key report: Record quality audit + String normalisation + Duplicate key report for supplied lesson attendance records (attendees, registered_students). 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":"2ed80c6163a313732ba80f79099d9943f522f7d8ec0d8b6d3be8038f24acd063","id":90336,"kind":"listing","method":"baseline/1","observed_us":1793025524449022,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-192","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).
- 0x3b8ccb3dd4cc6c79e137582d65ed31e62bf571e21407d9bd5155ce9485ac793d
- 0x1925a1c6e18a1e52721127478c56c98d99593efaeb3b664d3b9e9b7abba7661b
- 0x14d4b85ec7d613b1084718ad353175af0ad4d6dabdb459cc0195b17214321602
- 0x2e4b2ffff12f67aee35b9816fdd058f241822003da9ce5d4d19ecfdfaa13cc8f
- 0x75a8aaf750900f58c383ef82d055788738bedcddecacee239d6813d894177219
- 0x4e45bafb034f68cbc8d6ec028a9fbd90abc7147a77ba906be3d6317c9c42fb4e
- 0x1aaf85082dcb9840aab7e4a49431004e1c7da9e7895cef330783794d52a9bd86
- 0x2e92c97ccf9de031ae1c05f48fa8ac972e8c88636d7f4b814c8d8e6919c2d70c
- 0x1608d625f56402919eb22cf3a3709873aaa4a7af02acd46f3413eff84f561869
- 0x2e8a687ff66d8afe58fa1b3504a221aae25ce629dbb3718301a0d0479898a139
- 0x876d91ae08f3c341c1d9ba4ed92a9c937c054b5c7d6cd935bb21dda6fb029cac
- 0xdb4b9388e3fe1df4b04e149e559f925fb354066ae1d2537fd6f918162716fadf
- 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
- 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
- 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae