← The evidence ledger
Evidence row 763759
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-121
- Recorded
- Previous row
- #556222
- Body SHA-256
- 378a33d6cf7a645a12dc7ac411914a8246316d31fe31f6f034af178e34ac987e
- Leaf
- 0x9dc63c9a517db64c946c673c613536e331a54a74856143c04ae017330174e9bd
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-02-121"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-02-121",
"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": "Assessment item observations — Numeric row ordering + Secondary-measure weighted mean: Numeric row ordering + Secondary-measure weighted mean for supplied assessment item observations records (correct_responses, attempts). 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": "correct_responses",
"rows": [
{
"attempts": 1,
"correct_responses": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attempts": 2,
"correct_responses": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attempts": 3,
"correct_responses": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attempts": 4,
"correct_responses": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-02-121"
},
"sku": "assistant-ib26-education-02-121",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "correct_responses",
"enum": [
"correct_responses",
"attempts"
],
"type": "string"
},
"rows": {
"default": [
{
"attempts": 1,
"correct_responses": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attempts": 2,
"correct_responses": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attempts": 3,
"correct_responses": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attempts": 4,
"correct_responses": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"attempts": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"correct_responses": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"correct_responses",
"attempts"
],
"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": "2026-10-27T19:10:24.028Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-27T19:10:23.823Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-02-121",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assessment item observations — Numeric row ordering + Secondary-measure weighted mean: Numeric row ordering + Secondary-measure weighted mean for supplied assessment item observations records (correct_responses, attempts). 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":"378a33d6cf7a645a12dc7ac411914a8246316d31fe31f6f034af178e34ac987e","id":763759,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793179110115291,"prev":556222,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-121","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).
- 0x9dc680d424f843e7d4a8ce866f61f9649617870bbd51d57c4225aa05c2d5609f
- 0x5bd186690231e01f593f76d6a7d8cb814e90510a7b32d0a5dbe7b8dcaba0a51d
- 0x051dd667abbc0166848f3b4c8a5d8102cdbcf4b0f9d1cfced7ffcb86168d6306
- 0xb4e2895d2321f35474e12e0197f4e1a8c91c81bcd107ad030b6d92fa87d5b418
- 0x665ac71a6fb6545976e1f2d4cf478adb20a7b1561eb372ff3797a41236f4ce3e
- 0x58485267958e7735689fa739eae00650ad193a5717132c24e33f96df647a103c
- 0xd5cce1841361992e83ad1cf1bd2c5f50c98ce612d24d55e5ac4c09916211487c
- 0x918a594c9e175e46d7e20d301e40968ca64ed043f3c87e8d1eb7b7de4d020f44
- 0x5bc273414f30ff66b7cb3339246aa8b78345594727ec999ed8929438964e1dc1
- 0x1d8789dfdb919815a223988e233f2c7cc86e0616a7b9cd74818a5cd42989f611
- 0xc3f628ee74b35c34302399d5c1e4363aead33510f7a2bb35b69503ece7301e69
- 0xb682046570ccabf017a1bb0ff5726903b5056c5f449d7236720bb21935081fbb
- 0x068bcde0287d4d3b4a6224e2d75094cc4817509ab476c25a343303034a0ce40e
- 0xc4674b97eec0bfb92cf9c2ffb4427d455d9f902b5fe3ea0be83ee462202d7416
- 0xcf313ac43fef601c9e46f82a687b6a3c655f47c31675c1791c49de20295be63d
- 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
- 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
- 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae