← The evidence ledger
Evidence row 2643583
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
- #2214320
- Body SHA-256
- 71bec51a4e2e1ae0ac2d6cf78e006a403af2cdc6c6fdbffa814647f90cfd1a7c
- Leaf
- 0x64c16f8823311b2b28efeace44e63e4fdac47536f1e2d4a4ee0bce4de892a784
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": "2026-11-03T09:25:51.59Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-03T09:25:51.319Z"
},
"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":"71bec51a4e2e1ae0ac2d6cf78e006a403af2cdc6c6fdbffa814647f90cfd1a7c","id":2643583,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734724982856,"prev":2214320,"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 (425475 rows).
- 0x64c16462a7a4ba461cec234218d98052d1908c2c54df4a8e5f2fcd97a792dec8
- 0xb3789e2d0e2c93171e07e3afbf1ff603672a817f2f01da2da64e772244d08042
- 0x262baf72d30e170485e282587549c5db6ad3bd29e9f4c7917b25c34851885b15
- 0x4ebcf87240b68386165aa03d85cd902d2366fead8f4d80cdb2aebabd73fb6798
- 0x1e5edead2af9521492842a3fdebeabe085d1525444abf7df0b70052c7a71718b
- 0x8915ef65f1f40108e8b6bfa83ee253baa736b686f1b0997dce6fcffe58c9d18e
- 0x9e382c95bf0e2470983238f7513d1ac1ee70b08ef27bdb886d0fa33d0caa097a
- 0x4f359c074c1363f8fc1d106898ae219d18f4f084bd9b2b59940e68a6693145c2
- 0x4bf2732c598fc4efb7ac5a40e8152017147dfa319d1b84990b9d70ed68fcae04
- 0xc882f5b9305b1ec372aff9d70b69ca856a50e9b29b47bb290c42a3d0e84a6c14
- 0xf2562b881998c76d453046b4811440cf65fc600f4dbbf4324514b4d7bd33077b
- 0x8d864bd17d983215590f59626d5e886359bc1819dc138db556538de27724d0dc
- 0x935aada10f117485a9e2b905a05d3c89c0ea4c0d9218f126f2818246c6d7a5f8
- 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
- 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
- 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
- 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7