← The evidence ledger
Evidence row 91119
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-09-108
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0f7b2087416f160076544e4258b8f47037f66b8bd28a5f4003e5f8887207fbf7
- Leaf
- 0x139c0f638c7d6e544b67588a5041a6cea7a370851a7adea7b96c5b013afec9f0
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-09-108"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-09-108",
"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": "Study recruitment — Category frequencies + Two-measure correlation: Category frequencies + Two-measure correlation for supplied study recruitment records (eligible_candidates, enrolled_candidates). 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": {
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"eligible_candidates": 10,
"enrolled_candidates": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"eligible_candidates": 20,
"enrolled_candidates": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"eligible_candidates": 15,
"enrolled_candidates": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"eligible_candidates": 30,
"enrolled_candidates": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-09-108"
},
"sku": "assistant-ib26-education-09-108",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"eligible_candidates": 10,
"enrolled_candidates": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"eligible_candidates": 20,
"enrolled_candidates": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"eligible_candidates": 15,
"enrolled_candidates": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"eligible_candidates": 30,
"enrolled_candidates": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"eligible_candidates": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"enrolled_candidates": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"eligible_candidates",
"enrolled_candidates"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows"
],
"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": "2026-10-26T03:44:24.373Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-23T00:30:54.089Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-09-108",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Study recruitment — Category frequencies + Two-measure correlation: Category frequencies + Two-measure correlation for supplied study recruitment records (eligible_candidates, enrolled_candidates). 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":"0f7b2087416f160076544e4258b8f47037f66b8bd28a5f4003e5f8887207fbf7","id":91119,"kind":"listing","method":"baseline/1","observed_us":1793025526310096,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-09-108","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).
- 0x139bfd20ee655e9edff0990d171d87d6bc2b682bc11654872d22920c1714516b
- 0x152ecd1347e9642499a48f3f579957ee8f2b7dba8d65ed005c44e56e9a4deed6
- 0x2e9e45ef69bd04d2626e16be714bc856e4f3bd67dc8c505d111dd530f6411519
- 0xb4720afc551517725636b3ea362eb36d73cc547fb334d320dd2076b51e36f3c0
- 0x495c8ec1d562166b952ef850307e2595d13a74fe7cadd082c5aa19cb2f9e6dc1
- 0xabd0aad3f746e33ea17bcb97ee44e641e4220b901d4a1808add0054969ddd9f5
- 0xb83505c1b54f5052c71b173d1b53e367311e4d75746d9739ed2a48d86f5683f0
- 0xdf70ef695a76ba1bc5f794c08142891e31eeb3ac2259248da590e19ff487d69e
- 0x36a9d47985ea66450085f279b1077b70e31b95704b735175f3a64a5891b7b28e
- 0x4a6e9d6f8bcdedf054372776140e3ef47d5f8d6efb1bdab8c26dcd9c83c1db99
- 0x9d19085bdd0cb9322cb235f88ed9fb666f1b60fe7afec1170ec05f633673830a
- 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
- 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
- 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae