← The evidence ledger
Evidence row 203648
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-04-012
- Recorded
- Previous row
- #90553
- Body SHA-256
- a9a23e641907779f688d2e3abdd9a1f72e6b048e9f094e3d69a5645af3635232
- Leaf
- 0x8ded477b99aab26cb4a300c7cccfe7a5ca18addbf7b3b832ed7b46b099cc5cb4
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-04-012"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-04-012",
"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": "Reading activity — Record quality audit + Base-100 series: Record quality audit + Base-100 series for supplied reading activity records (pages_read, reading_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": "pages_read",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"pages_read": 10,
"reading_minutes": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"pages_read": 20,
"reading_minutes": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"pages_read": 15,
"reading_minutes": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"pages_read": 30,
"reading_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-04-012"
},
"sku": "assistant-ib26-education-04-012",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"base_index": {
"default": 0,
"maximum": 199,
"minimum": 0,
"type": "integer"
},
"field": {
"default": "pages_read",
"enum": [
"pages_read",
"reading_minutes"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"pages_read": 10,
"reading_minutes": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"pages_read": 20,
"reading_minutes": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"pages_read": 15,
"reading_minutes": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"pages_read": 30,
"reading_minutes": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"pages_read": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"reading_minutes": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"pages_read",
"reading_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": "2026-10-26T03:22:02.318Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T03:22:02.121Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-04-012",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Reading activity — Record quality audit + Base-100 series: Record quality audit + Base-100 series for supplied reading activity records (pages_read, reading_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":"a9a23e641907779f688d2e3abdd9a1f72e6b048e9f094e3d69a5645af3635232","id":203648,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026292796480,"prev":90553,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-04-012","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).
- 0x8ded16c40fc5b49b0f3a46a0cd0ca69557d23ea976b7e26758bee4e748349993
- 0x89d047ea08b191df876c35606f7e1432c5f3c7aac4c55f346fafb0f47d96e0f5
- 0x974e1b52dd9cfa8bb6b33d9634708185ea1062ae1e56cffeb45c64a6fdb91db6
- 0x9b6be333923151c446f9be0976cf702b26331c3afc069cd9983b10b246ec5cc7
- 0xdd28a9a902795f326a1c7762d46f695ac3311b092ce89d9b65efc054f11b84dc
- 0xfd13fd783896c118ec558b800159bb2b831c4aeb27ab5b90393e63afab6dcd3c
- 0x2f269a11d18cf06707e9e5461953e803df95d2083508df679fc5dda4e34b116a
- 0xb8a0d7491c02265f76e508872ad7b790c5fb073214d1ebde2a356c7752624891
- 0x8c4ff1cbe582f339c42398efe692723d46d9d38dd3214e5662bf7395301d2e74
- 0xcd309087e391a4bbf7ab28b9f7073de601c743989827ee9f4afe481b1c005fc6
- 0x6880847de0a4b4b8c14408244df84ff11ac20d4049a575846d0700a7a91132ca
- 0x59a4efa65a01e4e2abdb3b8b7bb673db6d1c72e0f9d52dd2f94777b14a5b061c
- 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
- 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae