← The evidence ledger
Evidence row 92259
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-20-200
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c48fabbeaf15d9f25b474923ff72071907bd0c1b847b2c8aafbf86813032e5a2
- Leaf
- 0xc253938b70c093a1a2d3242574d9493693630a790a40a42c02f8f343c6354411
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-20-200"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-20-200",
"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": "Research grant spending — Record quality audit + String normalisation + Adjacent row changes: Record quality audit + String normalisation + Adjacent row changes for supplied research grant spending records (budget_amount, spend_amount). 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": "budget_amount",
"rows": [
{
"budget_amount": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"spend_amount": 1
},
{
"budget_amount": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"spend_amount": 2
},
{
"budget_amount": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"spend_amount": 3
},
{
"budget_amount": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"spend_amount": 4
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-20-200"
},
"sku": "assistant-ib26-education-20-200",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "budget_amount",
"enum": [
"budget_amount",
"spend_amount"
],
"type": "string"
},
"rows": {
"default": [
{
"budget_amount": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"spend_amount": 1
},
{
"budget_amount": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"spend_amount": 2
},
{
"budget_amount": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"spend_amount": 3
},
{
"budget_amount": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"spend_amount": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"budget_amount": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"spend_amount": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"budget_amount",
"spend_amount"
],
"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": "2026-10-22T21:25:27.596Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-22T21:25:23.951Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-20-200",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Research grant spending — Record quality audit + String normalisation + Adjacent row changes: Record quality audit + String normalisation + Adjacent row changes for supplied research grant spending records (budget_amount, spend_amount). 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":"c48fabbeaf15d9f25b474923ff72071907bd0c1b847b2c8aafbf86813032e5a2","id":92259,"kind":"listing","method":"baseline/1","observed_us":1793025535928466,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-20-200","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).
- 0xc2539dacccd8048e0f83616a513324a29e7481326b4c00ad0a292b2139f7f1d3
- 0x5e4fb9553c1245b4123d039ec0792b5a4a1a8fb3bc295007202222163c9a04cc
- 0xda9c9638e8f355a0fe1c52a97a325a949488167a7e338b9e14f9a2e79b8af7c5
- 0x4c983e944653c9ed8d2c308b66e4f14a78159d130048eceaeb94bfeb0b867a7e
- 0x787ced009735e943aff2ca79e5d97c1c7bcf15d90e02ad44c51056066b0ede4f
- 0x5479f0dd290fc2d27c9a849ecbbbd01b045305465f5711c576cfaf3eef418554
- 0xab69acd1cb1760c691e2f91fe9d272a76fcda0d51d686083e651a9f458891d90
- 0x5c6483d4bda163dffb0721d47bd7c18119310f313343f070ee1aeb79ef9605c9
- 0xafd5abbd72ba12c028d5cd59e21ef6bbfeb3ef72a15c2e7ad8167b5a77eea34b
- 0x02e075ca15ff7f2ea01604141daba61c457580d75ee0424e4d2efe53abe08ad3
- 0xeab236b8d15592c4f51859e02cc12d6b7223fc6321fdb9fa89e4d5e6edc3470b
- 0x111576180a2fecebcaf560e6b72ed8cefedaacb8c607539ece417b7465831f66
- 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
- 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae