← The evidence ledger
Evidence row 206648
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-200
- Recorded
- Previous row
- #92057
- Body SHA-256
- acd505e6e289d13f337025f6c3d2dfe51814aa5b843f075bd0df4c38773110f8
- Leaf
- 0x8de4962310a4c614abc3b69c02239ca051756a98e3172cdb8b3a383d6d175393
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-18-200"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-18-200",
"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": "Question bank coverage — Record quality audit + String normalisation + Adjacent row changes: Record quality audit + String normalisation + Adjacent row changes for supplied question bank coverage records (item_count, objective_count). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 supplied-data reports for up to 200 rows.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"field": "item_count",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"item_count": 10,
"objective_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"item_count": 20,
"objective_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"item_count": 15,
"objective_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"item_count": 30,
"objective_count": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-18-200"
},
"sku": "assistant-ib26-education-18-200",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "item_count",
"enum": [
"item_count",
"objective_count"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"item_count": 10,
"objective_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"item_count": 20,
"objective_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"item_count": 15,
"objective_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"item_count": 30,
"objective_count": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"item_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"objective_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"item_count",
"objective_count"
],
"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": "2026-10-26T06:43:21.581Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T06:43:21.332Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-18-200",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Question bank coverage — Record quality audit + String normalisation + Adjacent row changes: Record quality audit + String normalisation + Adjacent row changes for supplied question bank coverage records (item_count, objective_count). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 supplied-data reports for up to 200 rows."
}What the leaf hashes
{"body":"acd505e6e289d13f337025f6c3d2dfe51814aa5b843f075bd0df4c38773110f8","id":206648,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026347874239,"prev":92057,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-18-200","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).
- 0x8de403aa323cc3991d6e5fdb98901e964eb2b3d5d30a606a17940824b9c0fea4
- 0x60cba8e524c3717c60a61eed2e4280111b81acac59c80a4223d00e0e18e1d931
- 0xfe688d475b13e7aecc02afd053a6df4e44041cf44d298390d6f4f01b2b887ba7
- 0xe8c13dcf2c6f198b1e43800ae938626d112ead19db44b995d4096146c66311df
- 0xcad2f2fb8d962676d72d34c5d0228e3aa03f3c1b58ff7e29403cad7a8e8b3a0c
- 0xd50dfa843d1a4ad1b2eccb0e6d45c05db1f08e67004d278d7d1edee768fa8e6a
- 0xc5700a6e6be5e1b0026c6b4a286df112dcb9d64d9c57299373b43a49d225c84d
- 0xb8a0d7491c02265f76e508872ad7b790c5fb073214d1ebde2a356c7752624891
- 0x8c4ff1cbe582f339c42398efe692723d46d9d38dd3214e5662bf7395301d2e74
- 0xcd309087e391a4bbf7ab28b9f7073de601c743989827ee9f4afe481b1c005fc6
- 0x6880847de0a4b4b8c14408244df84ff11ac20d4049a575846d0700a7a91132ca
- 0x59a4efa65a01e4e2abdb3b8b7bb673db6d1c72e0f9d52dd2f94777b14a5b061c
- 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
- 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae