← The evidence ledger
Evidence row 1269008
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-12-165
- Recorded
- Previous row
- #411509
- Body SHA-256
- 1ba99c89229a2d0e493e3cc2660efae703d0d1c6f1af850384081ec6facf9c08
- Leaf
- 0xd543820ffff12d49d03771c89b4a5b7c4e9042128a9458f5e31790d0ba810560
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-12-165"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-12-165",
"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": "Learning resource usage — Base-100 series + Two-measure correlation: Base-100 series + Two-measure correlation for supplied learning resource usage records (access_count, resource_minutes). 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": {
"base_index": 0,
"field": "access_count",
"rows": [
{
"access_count": 10,
"course_group": "group-a",
"date": "2026-10-01",
"resource_minutes": 1,
"row_id": "row-1"
},
{
"access_count": 20,
"course_group": "group-b",
"date": "2026-10-02",
"resource_minutes": 2,
"row_id": "row-2"
},
{
"access_count": 15,
"course_group": "group-a",
"date": "2026-10-03",
"resource_minutes": 3,
"row_id": "row-3"
},
{
"access_count": 30,
"course_group": "group-b",
"date": "2026-10-04",
"resource_minutes": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-12-165"
},
"sku": "assistant-ib26-education-12-165",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"base_index": {
"default": 0,
"maximum": 199,
"minimum": 0,
"type": "integer"
},
"field": {
"default": "access_count",
"enum": [
"access_count",
"resource_minutes"
],
"type": "string"
},
"rows": {
"default": [
{
"access_count": 10,
"course_group": "group-a",
"date": "2026-10-01",
"resource_minutes": 1,
"row_id": "row-1"
},
{
"access_count": 20,
"course_group": "group-b",
"date": "2026-10-02",
"resource_minutes": 2,
"row_id": "row-2"
},
{
"access_count": 15,
"course_group": "group-a",
"date": "2026-10-03",
"resource_minutes": 3,
"row_id": "row-3"
},
{
"access_count": 30,
"course_group": "group-b",
"date": "2026-10-04",
"resource_minutes": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"access_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"resource_minutes": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"access_count",
"resource_minutes"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"base_index"
],
"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": "2026-10-30T09:05:54.897Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-30T09:05:54.656Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-12-165",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Learning resource usage — Base-100 series + Two-measure correlation: Base-100 series + Two-measure correlation for supplied learning resource usage records (access_count, resource_minutes). 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":"1ba99c89229a2d0e493e3cc2660efae703d0d1c6f1af850384081ec6facf9c08","id":1269008,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385744575787,"prev":411509,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-12-165","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).
- 0xd5436de44166865410937fabda87e496548706c0a881977dc8647a1910d9a9b2
- 0x82038189e6cf1e7c483ce014ede72bcc6fe3989343bd9ce64959cd0fdddc2ab4
- 0x4c64b53acac26293d8b12c6a1a07ca5fbce9a841867cca5e68a62927ab3d8fd8
- 0x9357cb005573510f01c7c1cb1646f4f0cf11b381eb2e4adb21c7aa1bf754c1e0
- 0xec8e0ad5ecba66210448519f83221e628a3ed98a0bc7451438825f40ef452397
- 0xf60a0eb27d6fcccfacadd49387c1eae6b8fd0466a3de98a2449855e265c81ccb
- 0x53248032f92b57df2e643c9cfb7da609c2457d64352d730c954e525853b0e905
- 0xccfb34f20d55e18706abc0993e46f51c85ac6cdcbb9bb5c04a5b22ec601434cb
- 0x4d45e00756132e20b3a63d67090d7d55b6cbc054b0b042a2501d1821b4f43cd6
- 0xfcf62fc6ad98adba374bcbc0991508ed3407716e72ffa997a0905afbc5f39191
- 0xcbdce4aab997088bd56bc318d8b1cf23413ffcebbc31498e8faee664b63feeda
- 0x41785913cf8a748ad4b7f6562cd47054490c6e6361d26689f4b8aeba4a1d3afe
- 0xc6d56e36bc916fc7c1441d5c6959a1f0ff7bc0a11547893598fdff5ead2b0cb1
- 0xeba66653f0c009452ec9977578ba573460df3f672595eaa16c1030e3b20ce767
- 0xf007cd9640267a58ddffce96e27f5682cf5c47530f53dc15dc53e4ccd405c6c9
- 0xfbe61dc2d59668ac573e5eab865747e21d38bf2fe4c64762beef01f1018a4dea
- 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
- 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861