← The evidence ledger
Evidence row 91078
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-09-023
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d52c8071522c4eb79ba2f82953f3d964f8a67cab1a4ab1a88b729896ddd8e83f
- Leaf
- 0x56dd52c43df82849c91e6040cc6f12da8b76adcc77222de30264d7c862fdec53
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-09-023"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-09-023",
"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": "Study recruitment — String normalisation + Grouped numeric summary: String normalisation + Grouped numeric summary for supplied study recruitment records (eligible_candidates, enrolled_candidates). 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": {
"field": "eligible_candidates",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"eligible_candidates": 10,
"enrolled_candidates": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"eligible_candidates": 20,
"enrolled_candidates": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"eligible_candidates": 15,
"enrolled_candidates": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"eligible_candidates": 30,
"enrolled_candidates": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-09-023"
},
"sku": "assistant-ib26-education-09-023",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "eligible_candidates",
"enum": [
"eligible_candidates",
"enrolled_candidates"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"eligible_candidates": 10,
"enrolled_candidates": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"eligible_candidates": 20,
"enrolled_candidates": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"eligible_candidates": 15,
"enrolled_candidates": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"eligible_candidates": 30,
"enrolled_candidates": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"eligible_candidates": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"enrolled_candidates": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"eligible_candidates",
"enrolled_candidates"
],
"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": "2026-10-26T01:18:50.858Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T09:00:57.407Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-09-023",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Study recruitment — String normalisation + Grouped numeric summary: String normalisation + Grouped numeric summary for supplied study recruitment records (eligible_candidates, enrolled_candidates). 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":"d52c8071522c4eb79ba2f82953f3d964f8a67cab1a4ab1a88b729896ddd8e83f","id":91078,"kind":"listing","method":"baseline/1","observed_us":1793025526252425,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-09-023","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).
- 0x56dda6294c7e9a4f90a9eb3464a7a5f8fb035f7c3eac3e5f83cdb948ca3181fa
- 0x6e6e438836041472eaab47367b84e83cd6259926d3adbb64bc820999265282b9
- 0x0cd7403cf4a858430ab1aa8788f723e198c26ea45194d42130629bdf38287a23
- 0xfc4a94875c94f4c2a26048c2ca68e6a5b68bbe8a3669ba40769e9b27396a3e27
- 0xb20cf11e9b64c7778f2a2da51ae2da2ed8bd60593774b649e4f97c9b548db595
- 0x057ca55823ea5a8c34dba2d3a0aa11b8d1941500676db9dabe4e4c34ec718cf8
- 0x6bee7ddf48141d19bd7b9733a88b93e41a704cc5eb6dac203143ce595ff7f553
- 0x547057e499dd2e80e293306c1a0c89b9f892686310433c47133d27fda4609f22
- 0xb3be4a874b183d8692dca7f0753feeeffeba3c7aa1391c3b30d68034c0cdcfbc
- 0x6ad191c620905d75c8f292ab1bfa2ccb573a7a6056d4736144314aef5604460e
- 0x7c6e7d8ec8a6bb5540ab8e4e885e6c646f71198fce1b0e917447538a70811486
- 0x01ecb94c2efbfb8e9050ebbd813fbba80bbcbc345f98de707345bc4bc88c94e8
- 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
- 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae