← The evidence ledger
Evidence row 211045
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-09-027
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 527dfc039e8f295bfe7a70f5714f783f0b8eb19563d7fb91395d97c0cace3245
- Leaf
- 0xa7a17d0a9244ca24b0ef15bb8f8961c54d94fe692d2c1e9d71446e34e2b1df2e
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-09-027"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-09-027",
"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 + Daily sum series: String normalisation + Daily sum series 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-09-027"
},
"sku": "assistant-ib26-education-09-027",
"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": "2026-10-26T10:13:35.933Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T10:13:35.71Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-09-027",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Study recruitment — String normalisation + Daily sum series: String normalisation + Daily sum series 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":"527dfc039e8f295bfe7a70f5714f783f0b8eb19563d7fb91395d97c0cace3245","id":211045,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026459557839,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-09-027","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).
- 0xa7a169724aa30bfc9d1a82e708b540f5f0837784280e7f69b84c824d049109da
- 0x6042fbcdb819ac660c101cc729a72981eb43d8270e96bc142de2bdc08e4e2e67
- 0xa4e431e6610f21f4838845cacc4f07cd44a1035c121b9bbe053445297216311f
- 0x42c66b7713a9cf436eca214284d9cab74228a9f510de25885e9e0dc7b42fe47a
- 0x9fc5a79377817509f489e1afc4e4c7c316f9f50e53e3ce4997ad14ca4d29b60d
- 0xc097ef728fad08729d2dc4d3b4c46b6e081af61f24e5f0607f6eac94d2dedc1a
- 0x6e06312d94474465e409f16f99484ef0b3209908ff1674dc70873d5d6ac8caac
- 0xc30eca2e8f9456deee7e597b38bbf75a623fb2ff520362d3443a565d7153fc9f
- 0xdea9600bee8435f84fe6baa7a2097a96003e9096c73edfd41525e72052fb0c18
- 0x96a6c36f66ccdce2fc9d08bc551d6e8a2e7e8f76cf469865819b5bc277877605
- 0xfd7db9a5ff472cfefafacbeb7f7f7dc6fc7e28e7e0d99e3b79d231f0d5f46aee
- 0x1e464fcb484a1e782f9fe44be5118a9de934eb533c96ba10fc7d20e3a3e4711c
- 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae