← The evidence ledger
Evidence row 759406
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-23-190
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3ccea876987a1659e94ab0c517b35b67155d64acc4bc9c18a1a22ce1d2208cf1
- Leaf
- 0x9b075e73fd7b92613194497f2633f3f9193d1f03b04d4500b6208e64e60fb98b
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-23-190"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-23-190",
"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": "Peer feedback — Keyed dataset comparison + Explicit missing-value fill: Keyed dataset comparison + Explicit missing-value fill for supplied peer feedback records (review_count, actioned_comments). 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": "review_count",
"method": "median",
"other": [
{
"actioned_comments": 1,
"course_group": "group-a",
"date": "2026-10-01",
"review_count": 10,
"row_id": "row-1"
},
{
"actioned_comments": 2,
"course_group": "group-b",
"date": "2026-10-02",
"review_count": 21,
"row_id": "row-2"
},
{
"actioned_comments": 3,
"course_group": "group-a",
"date": "2026-10-03",
"review_count": 17,
"row_id": "row-3"
},
{
"actioned_comments": 4,
"course_group": "group-b",
"date": "2026-10-04",
"review_count": 33,
"row_id": "row-4"
}
],
"rows": [
{
"actioned_comments": 1,
"course_group": "group-a",
"date": "2026-10-01",
"review_count": 10,
"row_id": "row-1"
},
{
"actioned_comments": 2,
"course_group": "group-b",
"date": "2026-10-02",
"review_count": 20,
"row_id": "row-2"
},
{
"actioned_comments": 3,
"course_group": "group-a",
"date": "2026-10-03",
"review_count": 15,
"row_id": "row-3"
},
{
"actioned_comments": 4,
"course_group": "group-b",
"date": "2026-10-04",
"review_count": 30,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-23-190"
},
"sku": "assistant-ib26-education-23-190",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "review_count",
"enum": [
"review_count",
"actioned_comments"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"other": {
"default": [
{
"actioned_comments": 1,
"course_group": "group-a",
"date": "2026-10-01",
"review_count": 10,
"row_id": "row-1"
},
{
"actioned_comments": 2,
"course_group": "group-b",
"date": "2026-10-02",
"review_count": 21,
"row_id": "row-2"
},
{
"actioned_comments": 3,
"course_group": "group-a",
"date": "2026-10-03",
"review_count": 17,
"row_id": "row-3"
},
{
"actioned_comments": 4,
"course_group": "group-b",
"date": "2026-10-04",
"review_count": 33,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"actioned_comments": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"review_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"review_count",
"actioned_comments"
],
"type": "object"
},
"maxItems": 200,
"minItems": 0,
"type": "array"
},
"rows": {
"default": [
{
"actioned_comments": 1,
"course_group": "group-a",
"date": "2026-10-01",
"review_count": 10,
"row_id": "row-1"
},
{
"actioned_comments": 2,
"course_group": "group-b",
"date": "2026-10-02",
"review_count": 20,
"row_id": "row-2"
},
{
"actioned_comments": 3,
"course_group": "group-a",
"date": "2026-10-03",
"review_count": 15,
"row_id": "row-3"
},
{
"actioned_comments": 4,
"course_group": "group-b",
"date": "2026-10-04",
"review_count": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"actioned_comments": {
"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"
},
"review_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"review_count",
"actioned_comments"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"other",
"field",
"method"
],
"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": "2026-10-28T06:15:05.927Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-28T06:15:05.573Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-23-190",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Peer feedback — Keyed dataset comparison + Explicit missing-value fill: Keyed dataset comparison + Explicit missing-value fill for supplied peer feedback records (review_count, actioned_comments). 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":"3ccea876987a1659e94ab0c517b35b67155d64acc4bc9c18a1a22ce1d2208cf1","id":759406,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793179063798938,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-23-190","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0x9b07958fca9545f74536f9795a19c6ab227f988fb233d23addc5d0b9c18c28b8
- 0x5784d8c2019587a32eb648c9afc09e15b623e64382e638b92bc548b39e7ee604
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- 0x108e56c389915fccaef18c3329ccbcaae392505c6d1e04ccaf357b4b49eb1236
- 0x6b7a2613cc296a8603924cb7fcb2d3436e5552f626cfa8c710a006121ee858c9
- 0xad2afe4ca23cd810e2da3782fd7f2afbf9a68c2648a01e0a84ed62d8ee9e1eb3
- 0x79ac7479fe5d223a6375d042a536fe3d2644a159e3c3e01bee7b1c756cd1bc7d
- 0x3bb12990fadb27cef283fcd2473bb11f46ff400ad2d6399743d1d12d5ca559d0
- 0xe07485abcab7dcb85ef5e633f731cdaf6b818dad0c8c33ef9180e6af43040ed5
- 0xb3e56841bbb59136729a7c712fd65493d96ae156d1b9b312cec75cf28066657f
- 0x7654c3cd0b6acfb99bcedf194b38a090ce776df630f9c6eb10f2acec39de8c93
- 0x79e21d5d646e5a138478213c9372837aa9b91511c391c37c99eee1d1d482b26d
- 0x068bcde0287d4d3b4a6224e2d75094cc4817509ab476c25a343303034a0ce40e
- 0xc4674b97eec0bfb92cf9c2ffb4427d455d9f902b5fe3ea0be83ee462202d7416
- 0xcf313ac43fef601c9e46f82a687b6a3c655f47c31675c1791c49de20295be63d
- 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
- 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
- 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae