← The evidence ledger
Evidence row 1529943
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-162
- Recorded
- Previous row
- #91344
- Body SHA-256
- c3ab83e11c71c5aa774086dddebd4d67fb03ff06acf2f4f8134bb2e96f82078e
- Leaf
- 0x5e80c635d5d9421f16aa2ad1fa0cee8fbb407964c2b68e2a341b6d7f2b380418
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-11-162"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-11-162",
"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 — Adjacent row changes + Explicit missing-value fill: Adjacent row changes + 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-11-162"
},
"sku": "assistant-ib26-education-11-162",
"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": "2026-10-30T20:59:20.225Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-30T20:59:20.025Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-11-162",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Training assessments — Adjacent row changes + Explicit missing-value fill: Adjacent row changes + 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":"c3ab83e11c71c5aa774086dddebd4d67fb03ff06acf2f4f8134bb2e96f82078e","id":1529943,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793473178999001,"prev":91344,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-162","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (246033 rows).
- 0x5e811bdb6177cc5f21978409d7770a0b675901e5bdfba36a0d20a729ff4c9416
- 0xb1d6071211e893b848dfad97af9b74f61535a7377f2fce9e97a8236f80d2e9c9
- 0x68e7188672976eb67e3eddc2a0b7a1983212376a139668cc35c967479255f5dc
- 0x07da1023b3c7507fa8a31c9771ccf004fdd9d9daa2f72f02a91ff53ecf7df1c0
- 0x356bb5de8cd01b9539b170a0e40839f6f4498c39f446b758b1df770edd51870e
- 0xd8deb3e3b432929ca9bf3a0b8a527fdfe4afcd20cf54dab2d919f3b5ba327f9e
- 0x47f28b040ac16adfe8198bf0514725c4f5deceba01192e7ad578a2ccccbfcb54
- 0x766ae3c47c47af210f9c868c3caa1522b0669db0fc98c34b5f99e5b7405fc6f5
- 0xd0480b29c3a85afffae5c9525a063a804fc157ed97e5dc19418c7b8a59334cf9
- 0xb22b30ce3c49bef464cccbb5873b7cbd2298d23f84a4cbebe1a64b11b5166d07
- 0x31758b1d5c2e22c0591cf6e28c149e3889cc65603068333ed4ddf76d6a0ad4fb
- 0xa5db48a4304108f3eabc27a9ef089ec07fdd3f0f898dea7f7a40c247710dd72d
- 0x238075122bf391de34d3a894036bb855e1137942648f00143f9a686a726fcddd
- 0xe765fc7bdfb534be348bf6984775b8261507431e58900f7a1ab269c53c5b1e8b
- 0xb9a00c724331b305deaa876d5d2baf53b847ff3c7ce37abb0ae1653b2534aad5
- 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
- 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
- 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15
- Day root
- 0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab
- Chained
- 0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980
- Published
- On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0