← The evidence ledger
Evidence row 2247215
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-085
- Recorded
- Previous row
- #91311
- Body SHA-256
- 24ffb0fb54fedb63c7574ffdb07c7ceb7ccfd95756a6a2d53b4b6ce816058f28
- Leaf
- 0xc0c26d49c4e04ff7bb68f10340b32f51b32297e4170c41384378890a1209f967
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-11-085"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-11-085",
"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": "Training assessments — Numeric distribution + Explicit missing-value fill: Numeric distribution + Explicit missing-value fill for supplied training assessments records (pre_score, post_score). 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": "pre_score",
"method": "median",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"post_score": 1,
"pre_score": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"post_score": 2,
"pre_score": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"post_score": 3,
"pre_score": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"post_score": 4,
"pre_score": 30,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-11-085"
},
"sku": "assistant-ib26-education-11-085",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "pre_score",
"enum": [
"pre_score",
"post_score"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"post_score": 1,
"pre_score": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"post_score": 2,
"pre_score": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"post_score": 3,
"pre_score": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"post_score": 4,
"pre_score": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"post_score": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"pre_score": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"pre_score",
"post_score"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"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": "2026-11-02T00:57:20.805Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T00:57:20.014Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-11-085",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Training assessments — Numeric distribution + Explicit missing-value fill: Numeric distribution + Explicit missing-value fill for supplied training assessments records (pre_score, post_score). 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":"24ffb0fb54fedb63c7574ffdb07c7ceb7ccfd95756a6a2d53b4b6ce816058f28","id":2247215,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647714881485,"prev":91311,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-085","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xc0c29e741d352341681243954988086c83f2b6f0a2896bd05c1e212c18eb770a
- 0xa69061c486f6efc1c3d6757c182812dee9b0a3b2413a83e686ca58e1b85d247f
- 0x8a6d9b5df005d3ce5399b313e47d3306ba2daf8dbe64849369e7c1149ce573ca
- 0xb3e029e2b178c26a7c06ef7950c4f273ad04556d7954700c0a13cf01e237d8af
- 0xfc0354ba4110fe90d967f55aed8ab859e6151520110ff149f652c68d02147de8
- 0xdf1c7bd10d3b98f871a05f7c483408b4b2c2c01f189b50e566cc183fe163df42
- 0x1d371ab134a9bca59f796912f0ee789ffdf14b06730d84d735d9647937580803
- 0xaec5ce7e33cb78481c1bf9763b555edcf464fe3da812fe9b6839675538636ffe
- 0x19392fbf7891b6714a3884d45bbe7605eae9aa6e9033dc18e20d7bfa5b1b69f7
- 0x5c351eb959108fa008847322ad4e07245662a4a78edc2bc3c5476a41d6885e04
- 0x95159983c258f8c4252930e33402334b4c774b96e6b0585c9fabf412a911ddc3
- 0x8b992b36405eba70b3e3ccbd97fc3bf4370ba72ddf1ebf2e1db6ef25d910b365
- 0x513d275f726a7e76afc5d1c5ea455e84ec639b5765f0d561d290fbac6c078a4f
- 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
- 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af