← The evidence ledger
Evidence row 204873
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-034
- Recorded
- Previous row
- #90258
- Body SHA-256
- 8b341c58933ea96a247aecf2ca6315e091a8a7b6e74ba5ffacb9a63c2a3ed3a2
- Leaf
- 0xb8c67914a6948574672b342e600dac54195708db1ce952daecbcbf5f31513873
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-01-034"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-01-034",
"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": "Lesson attendance — String normalisation + Secondary-measure weighted mean: String normalisation + Secondary-measure weighted mean for supplied lesson attendance records (attendees, registered_students). 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": "attendees",
"rows": [
{
"attendees": 10,
"course_group": "group-a",
"date": "2026-10-01",
"registered_students": 1,
"row_id": "row-1"
},
{
"attendees": 20,
"course_group": "group-b",
"date": "2026-10-02",
"registered_students": 2,
"row_id": "row-2"
},
{
"attendees": 15,
"course_group": "group-a",
"date": "2026-10-03",
"registered_students": 3,
"row_id": "row-3"
},
{
"attendees": 30,
"course_group": "group-b",
"date": "2026-10-04",
"registered_students": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-01-034"
},
"sku": "assistant-ib26-education-01-034",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "attendees",
"enum": [
"attendees",
"registered_students"
],
"type": "string"
},
"rows": {
"default": [
{
"attendees": 10,
"course_group": "group-a",
"date": "2026-10-01",
"registered_students": 1,
"row_id": "row-1"
},
{
"attendees": 20,
"course_group": "group-b",
"date": "2026-10-02",
"registered_students": 2,
"row_id": "row-2"
},
{
"attendees": 15,
"course_group": "group-a",
"date": "2026-10-03",
"registered_students": 3,
"row_id": "row-3"
},
{
"attendees": 30,
"course_group": "group-b",
"date": "2026-10-04",
"registered_students": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"attendees": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"registered_students": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"attendees",
"registered_students"
],
"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": "2026-10-26T10:43:41.213Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T10:43:40.905Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-01-034",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Lesson attendance — String normalisation + Secondary-measure weighted mean: String normalisation + Secondary-measure weighted mean for supplied lesson attendance records (attendees, registered_students). 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":"8b341c58933ea96a247aecf2ca6315e091a8a7b6e74ba5ffacb9a63c2a3ed3a2","id":204873,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026328847583,"prev":90258,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-01-034","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).
- 0xb8c67210999dcb426ce03e13c98bbbee7359eea7e7cbd748d50780037e55ce56
- 0xd2541d88db2df7eb5783e7a638df053b8e3ae5f7272905e19562d39b300079bf
- 0xe5f7e5c313661b7991b752c469ab9eb47a2dbe74edc0a18483083c18360396e7
- 0xb35a992de70500f3cadd74a6495942e2c022d8c52d6116f1c2e80467e918d48f
- 0xc155f24d0a4ad576b9c6c2fd324cc241974a4b6beee42ef9a18151a8334c5b46
- 0x6d932ad1660db93d39aefeaa5d9dd8438a0ac7f93fecddafdd1678ee9224310c
- 0xba3d423fd8cb120c91dad6d27030ea385e14164a545929bb3d0f07c49b8477df
- 0x3bb49657ba9f9874d29731256da0cb43dc3a56093998f316a5a1c44770aa9e94
- 0x3e22965437ad0de1b511721c0d328319e39da6fec796fed49f0bbfb4d3539221
- 0x258835beede438ebebc963b639363480e6d4ea3839ccb62aeaaad82cefc2fe04
- 0xcf50b54d8921f0c22877e0b8d6b8393a1954218f000f7cac374e9f40a024f700
- 0xb6efd79902cac6d5a402ebecb8069402f00961ab80cd71b4d647fbc686d975ec
- 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
- 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae