← The evidence ledger
Evidence row 214119
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-129
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0d95aa0b27e46673a1faf487c11331f87693e48d1ce8404be32d9cee9e3ae054
- Leaf
- 0xf95da0a6a7a47e9798bfc51b79fd0ee07e9ce45e371e1b68addfe757944122e1
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-11-129"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-11-129",
"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 interval filter + Equal-width histogram: Numeric interval filter + Equal-width histogram 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": {
"bins": 5,
"field": "pre_score",
"maximum": 100,
"minimum": 0,
"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-11-129"
},
"sku": "assistant-ib26-education-11-129",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"bins": {
"default": 5,
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"field": {
"default": "pre_score",
"enum": [
"pre_score",
"post_score"
],
"type": "string"
},
"maximum": {
"default": 100,
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"minimum": {
"default": 0,
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"post_score": 1,
"pre_score": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"post_score": 2,
"pre_score": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"post_score": 3,
"pre_score": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"post_score": 4,
"pre_score": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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",
"minimum",
"maximum",
"bins"
],
"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": "2026-10-26T06:14:50.251Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T06:14:50.006Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-11-129",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Training assessments — Numeric interval filter + Equal-width histogram: Numeric interval filter + Equal-width histogram 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":"0d95aa0b27e46673a1faf487c11331f87693e48d1ce8404be32d9cee9e3ae054","id":214119,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026492024508,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-129","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).
- 0xf95dabb5d6e1dd80dc7f2fef4299d2fd6cab522a8826de01ffedba227d48f919
- 0x1a6319eef73a4ee6195e81c67bb54c31f67258394a9f717af149bc7cea403446
- 0xaa128e89343c666f6194c5501a9d9d7636aabc8f3262700acee96a24af78e168
- 0xa6b26e69c800bd0e88d7833f910020973a52172b1b9793a54ceb86c00674d539
- 0xaba6e38535b0cec151dc74dc52850e5b378abb64b682de1364b4d8f6e9c814b9
- 0xb5ce5d136aa0defdaf5a651a87c25e087593bbcde0aab59afdd0a2f300b4f59e
- 0x1ea8586bbdedfbce2f16a25b4b466682e5109b0c8b5409e8ffa08954c71df3b7
- 0xb37f3366d63504247a5e2171f9ddeec51e4bbb3a76f61eeb064e8723ff8c3055
- 0x24051ac966d0d8b7a78f1df8f0def3bc80a02f1ccbdac53e557ea8f1c7b43fbf
- 0x85210340e2640f36393a2bdeeec5e5efdaeac321e157ec624c11a1fb0537912e
- 0xacf2bf89327756cda11b6915c35395a33fba4f7cdd91adfd8c5f45018f6ddfe8
- 0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
- 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
- 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
- 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae