← The evidence ledger
Evidence row 552246
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-12-110
- Recorded
- Previous row
- #281488
- Body SHA-256
- f327ca3368d769c22d23c21034a8bde73405bd961b864b30be36bdd88548e809
- Leaf
- 0xff3f8c0066cf98273050d9a03a280b3556174479dddf869f8c17689069dc860f
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-12-110"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-12-110",
"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 — Category frequencies + Date by category pivot: Category frequencies + Date by category pivot 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": {
"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-12-110"
},
"sku": "assistant-ib26-education-12-110",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "access_count",
"enum": [
"access_count",
"resource_minutes"
],
"type": "string"
},
"rows": {
"default": [
{
"access_count": 10,
"course_group": "group-a",
"date": "2026-10-01",
"resource_minutes": 1,
"row_id": "row-1"
},
{
"access_count": 20,
"course_group": "group-b",
"date": "2026-10-02",
"resource_minutes": 2,
"row_id": "row-2"
},
{
"access_count": 15,
"course_group": "group-a",
"date": "2026-10-03",
"resource_minutes": 3,
"row_id": "row-3"
},
{
"access_count": 30,
"course_group": "group-b",
"date": "2026-10-04",
"resource_minutes": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"access_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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"
],
"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": "2026-10-27T19:55:09.47Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T17:54:16.062Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-12-110",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Learning resource usage — Category frequencies + Date by category pivot: Category frequencies + Date by category pivot 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":"f327ca3368d769c22d23c21034a8bde73405bd961b864b30be36bdd88548e809","id":552246,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133568895703,"prev":281488,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-12-110","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0xff3fd20f6405b82075bd81d3fddb9f3fa8c51e0636a2214094d90fdc865ad96b
- 0xe45385d1a277f3fa3c2008988ef82e9ac96a55a32597095d6bbb3120f62800ba
- 0x4f41259ba747a26f58d6b1b633221706680902e4fc77a8b5c56791a8e8cb1ecd
- 0x0947cacdf5c293a2b25a9453a1cc7a9fedb04f8ed3e5335030fac7f275fcc841
- 0x05d8734675f3278542912656f96a96da22a1a906855c4f2826130ab39d60704a
- 0xa832614daa84ab9a6c7b78aaea0f00731756f0438383023e0dbd79d55bfb2d10
- 0x642940faffe0c057007ffe790cec97e217854672f11ccdb6d7b8be2e2bdcc924
- 0xf88ba67c3d8771c61733bd75d7bbc15e851e88e47ef82297aa9a549856959eda
- 0xf62b942d75d2fef9638deb45b2bc9738e92362eb6458f703c0c4298272c7a830
- 0xcf98af8333f7fd6bdbc1b992cf9bc07f24c23f9e4453268c27504de07f222988
- 0x7e9df831f5c1b2f5e3d3d5c1837e1410fcc354cd33e5999cecca1fd2ece2db37
- 0x5fc89955112581b3fcfa3f9a81d69af0e71784d0baa72f00dbfc2abc2e383e84
- 0x56e872147e60f01cdcee33340b018a7ad7be91ec5b5daef0d2c629c3ca13cbd8
- 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4