← The evidence ledger
Evidence row 1804317
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-158
- Recorded
- Previous row
- #1048076
- Body SHA-256
- 2cf9a7b3494776672f3bf4617169651a7f08d9cb2acbeeb0a470d4f27f54bdbe
- Leaf
- 0x5117a4c0d82b6c3f933c53bfcd6df58049af7c0161ab09443ca3fccb821e1850
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-11-158"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-11-158",
"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 + Two-measure correlation: Adjacent row changes + Two-measure correlation 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",
"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-11-158"
},
"sku": "assistant-ib26-education-11-158",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "pre_score",
"enum": [
"pre_score",
"post_score"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"post_score": 1,
"pre_score": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"post_score": 2,
"pre_score": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"post_score": 3,
"pre_score": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"post_score": 4,
"pre_score": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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"
],
"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": "2026-11-01T18:02:00.288Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T18:01:59.645Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-11-158",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Training assessments — Adjacent row changes + Two-measure correlation: Adjacent row changes + Two-measure correlation 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":"2cf9a7b3494776672f3bf4617169651a7f08d9cb2acbeeb0a470d4f27f54bdbe","id":1804317,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560211379042,"prev":1048076,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-158","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0x51177bbecf4bdfbba7414ffcb9b2b27e0c9c718fe30c5f1df74daacc2fda690b
- 0xbb4d693b42b5a8d209a5f7140ad5348abfff3ea37c2be48eb374d98968064c75
- 0x0a818a0bc4ffcdb8a9a38d19773fbaa35a6cdbbffae03c1732231b7eb5cd5ea4
- 0xff5099c085e1a864919fbad2dd770545dc898aa7a786f115bb28e9f8d9e53d94
- 0xf8cfe06ba3a4f28c9ee40b497520f0e967d2a9558b66db675ce553fb2923ab37
- 0x57d11d9526a3a6cb4b0b6a305cfb60c587b8f5ae707f685c88eda5bd65b25003
- 0xb026cdd52a9196aafd74759c2dbbcc5007b3192226c17be631bd94e44131d2ee
- 0xf4ac5ee0d75da314d1461d0e0ca590c6c2a9d69ad71b003c4bfdd690686eb9f7
- 0xe316b540680ea58ed892eeb536c5181e125e18d9cd20d81feecf4de4e70bae55
- 0xe4791d3282693d567b83be870712be696151da5c5768c071de07f77c09c58ab4
- 0x10febd51cf7dfc486b90d8476111abd3717e8453c7b2a9466f432b76b99685b0
- 0x21938c6c946f4b4fbc9debe25f5efc2591234f62b5e79a54d3dc9abe2154cc21
- 0x61ea1522e2a8dd1dbb4a7f6b4b6b4e9d2d75dad9c43bbf8d014ad3d2e55a77e7
- 0x4dd56cbe7671c2bd3ac1c5d78e38f1cd1c8a879b29f9a6a5b8a22555a3aedcd2
- 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
- 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
- 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90