← The evidence ledger
Evidence row 556109
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-08-124
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 891f8089bf8ff1cb49a4930885b516643731b7759689539e5950f0459f9808e5
- Leaf
- 0x007f059e0adb1f749bbf865919ac9afca9c676d424678f41d69243a850b9caa3
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-08-124"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-08-124",
"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": "Bibliography inventories — Numeric row ordering + Explicit missing-value fill: Numeric row ordering + Explicit missing-value fill for supplied bibliography inventories records (reference_count, verified_references). 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": "reference_count",
"method": "median",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"reference_count": 10,
"row_id": "row-1",
"verified_references": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"reference_count": 20,
"row_id": "row-2",
"verified_references": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"reference_count": 15,
"row_id": "row-3",
"verified_references": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"reference_count": 30,
"row_id": "row-4",
"verified_references": 4
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-08-124"
},
"sku": "assistant-ib26-education-08-124",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "reference_count",
"enum": [
"reference_count",
"verified_references"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"reference_count": 10,
"row_id": "row-1",
"verified_references": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"reference_count": 20,
"row_id": "row-2",
"verified_references": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"reference_count": 15,
"row_id": "row-3",
"verified_references": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"reference_count": 30,
"row_id": "row-4",
"verified_references": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"reference_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"verified_references": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"reference_count",
"verified_references"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"method"
],
"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": "2026-10-27T19:27:15.64Z",
"quality": {
"lastCalledAt": "2026-10-27T19:27:15.64Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-08-124",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Bibliography inventories — Numeric row ordering + Explicit missing-value fill: Numeric row ordering + Explicit missing-value fill for supplied bibliography inventories records (reference_count, verified_references). 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":"891f8089bf8ff1cb49a4930885b516643731b7759689539e5950f0459f9808e5","id":556109,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133805637977,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-08-124","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).
- 0x007f0c7e3e599f7b790ee286a96d800ca017c1a694390e41d9cd39f3157c2b86
- 0x137aee3bdb981cae313865b996d0771ddc32c460fa7a3cf2f7461e45da24a235
- 0xfd10e47e45f83dd9b46d2c7ba105980e33265a7e8250c965c8cab5374ac7f6dc
- 0xf1c22487296b8e7bfba7ffaeaa1f10567f689b17fa573eba8eaf44b03426244a
- 0x9091d12c39a3d71ea417b4edd09c1da0e07623210f9cdef616fe6d451de37b1b
- 0x1c113352e33062fd13dccaa99afb7d2f28bb763aa750035e455cdfda017daeac
- 0x92b2f5fcd5e35de50de171635ecd92081ff720b8a84c34931daddda6fe71850a
- 0x3714e7ca846e3545211f29232138bcfb671a82ef005a2cc8d0721d52a328431b
- 0x1805ee1d1618edd1c69053e28dc4b3c19cc9bca90d577bec53eb0d9f8aeb7086
- 0x5645def5a4931081402ebed761b7160423b13efdd1d3d8b90b807abe133b1d37
- 0x9fba0d06ed237b479d783c2b5dc94d403492e4c1879c83e59e7ef852d6f23511
- 0x935f942132b5ef551ea80edd72930084a3dcda1e2c5159c968196c70621075d1
- 0x5b34b9f89512a83faa4bfecec322037670cc1af58e6e94a86fe88934434d7ddf
- 0x29e12cb67839430fa64ab8bd05d52bab606f2978d9e6d2fb094fece9438fd4de
- 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
- 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
- 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4