← The evidence ledger
Evidence row 789814
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-14-167
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 44f49b4cbaa744915d5013b19d290d4892d31a9781860b424b484a44b8f740f4
- Leaf
- 0x5fef5e3c8fb4d84c1df381da5adf2edda80fd4d629c290f92a780635c5d59b3e
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-14-167"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-14-167",
"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": "Library circulation — Base-100 series + Date by category pivot: Base-100 series + Date by category pivot for supplied library circulation records (loan_count, available_copies). 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": "loan_count",
"rows": [
{
"available_copies": 1,
"course_group": "group-a",
"date": "2026-10-01",
"loan_count": 10,
"row_id": "row-1"
},
{
"available_copies": 2,
"course_group": "group-b",
"date": "2026-10-02",
"loan_count": 20,
"row_id": "row-2"
},
{
"available_copies": 3,
"course_group": "group-a",
"date": "2026-10-03",
"loan_count": 15,
"row_id": "row-3"
},
{
"available_copies": 4,
"course_group": "group-b",
"date": "2026-10-04",
"loan_count": 30,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-14-167"
},
"sku": "assistant-ib26-education-14-167",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"base_index": {
"default": 0,
"maximum": 199,
"minimum": 0,
"type": "integer"
},
"field": {
"default": "loan_count",
"enum": [
"loan_count",
"available_copies"
],
"type": "string"
},
"rows": {
"default": [
{
"available_copies": 1,
"course_group": "group-a",
"date": "2026-10-01",
"loan_count": 10,
"row_id": "row-1"
},
{
"available_copies": 2,
"course_group": "group-b",
"date": "2026-10-02",
"loan_count": 20,
"row_id": "row-2"
},
{
"available_copies": 3,
"course_group": "group-a",
"date": "2026-10-03",
"loan_count": 15,
"row_id": "row-3"
},
{
"available_copies": 4,
"course_group": "group-b",
"date": "2026-10-04",
"loan_count": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"available_copies": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"loan_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"loan_count",
"available_copies"
],
"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": "2026-10-28T09:52:51.732Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-28T09:52:51.502Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-14-167",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Library circulation — Base-100 series + Date by category pivot: Base-100 series + Date by category pivot for supplied library circulation records (loan_count, available_copies). 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":"44f49b4cbaa744915d5013b19d290d4892d31a9781860b424b484a44b8f740f4","id":789814,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211581556820,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-14-167","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0x5fef8c6326b7ae79d0f5c599475864f5e8e6e98c9c24e778c74aaf9cb6ab9057
- 0x4be2b9385ab3b19ff474d0402a7f0914c591a2ab247f7695abd5ca4fff55b61f
- 0x386aee21b23041e1538b88a8507f696b32a095092ec718d6204fffc6c28b7d2d
- 0x1ad1d081d566074c371eb233a1b3dba287edb2adc7772824da4d2d2185282c07
- 0x9808bee435b96620539f14e4c94fb55f018f734691c8c918e786d147948d12a6
- 0xf70f13bca3fe9ab9bd964e5b7a87d507986071d7994646d04430a93d60ffffb9
- 0xc4b47a43815e0c1a7ca5ac17f4a5c13952d974acedd29eb449554f0d0acadbb1
- 0x2cade4473e221f5211fff78d415cd3986844d382dda7869da2f5108bd17ea3e3
- 0x76e4cab55e76f285cd0bd93615f34e6eeefedd7ebe9ed8ea5b843042fb2f9f4d
- 0x4bfd39dc772b78ec32e77128b1de794e4c8885933127231c0aa7baf6dd4d506b
- 0x5966dfed91a7d02dc64494c5bd22d2c43df9d3fe2f0b7d881d541ab8b0f8ccee
- 0x08c335f610221b2accff009e6da02a820a7090e3842d0eabb28540e71d0acea6
- 0x05b3d42cfeebe257d8d456af82d1a90957f371989ded6d869ae723454504d258
- 0x8db2587099a4011758c742fc2aad940742aa47abddf6007f131e0d5ab4a9e92b
- 0xe6054de1f67b1e6f15bcf16d2b6536cf35dd9705fdf6ce59853e79784693ab5f
- 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
- 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
- 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae