← The evidence ledger
Evidence row 205075
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-17-109
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3e90e96c1bac830f583bf6c7886a33653f20d4a61ec4b2971e9bba038692caa3
- Leaf
- 0xcdc6833fe1743e8f87c35f8cd570e23821308a8bfe874eecd6697f86a278307e
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-17-109"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-17-109",
"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": "Rubric scoring — Category frequencies + Secondary-measure weighted mean: Category frequencies + Secondary-measure weighted mean for supplied rubric scoring records (awarded_points, available_points). 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": "awarded_points",
"rows": [
{
"available_points": 1,
"awarded_points": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"available_points": 2,
"awarded_points": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"available_points": 3,
"awarded_points": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"available_points": 4,
"awarded_points": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-17-109"
},
"sku": "assistant-ib26-education-17-109",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "awarded_points",
"enum": [
"awarded_points",
"available_points"
],
"type": "string"
},
"rows": {
"default": [
{
"available_points": 1,
"awarded_points": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"available_points": 2,
"awarded_points": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"available_points": 3,
"awarded_points": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"available_points": 4,
"awarded_points": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"available_points": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"awarded_points": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"awarded_points",
"available_points"
],
"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": "2026-10-26T10:22:29.764Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T10:22:29.48Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-17-109",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Rubric scoring — Category frequencies + Secondary-measure weighted mean: Category frequencies + Secondary-measure weighted mean for supplied rubric scoring records (awarded_points, available_points). 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":"3e90e96c1bac830f583bf6c7886a33653f20d4a61ec4b2971e9bba038692caa3","id":205075,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026333254209,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-17-109","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).
- 0xcdc751e2c17a6cd3aa7609e6da969a2e91d47eb9ff5fc53c73f9b3f95495a310
- 0xb1ed8689c0e6c3391d1feb8bdb4cdd68c3ec2d2470eaa4b4a8274d46633eecff
- 0xf56b505f46bf4e81a293837621d17215ba5406ad9cc88cd6b1685ea2a5604e27
- 0x23f040d1f7c1d8e448f7d02962056aa86c76e66229b7ab4bdfe772308152fefe
- 0x0e109ae39f7588d60617976a5898856c10743902cbbeebe5548d3584bf223d8b
- 0x07b81374a5b03866d0e4541d689af9c5b640592b0e4d2a2ea880bc5901a6d57e
- 0x274a949ab3d549a283cc0168a0170ae6194ce7383462989e05dd3edffd75b5a7
- 0xeeeee04f31ba88c8b04fa587bfb437a516e56688801d8024230f92c45d953994
- 0xd57248e7a9b46d0cbcdcf06aaeaa397c60ee5442e50645c62cf5b1976aedba5d
- 0x9a73546a7d103d7486a891fe9f96753919be6696ccb5a70a4044405c08bca716
- 0xbee3c0dbc9149e89a214e95afe49b5d8a825aaaf7aa1721b2d66bbb287d6fd4d
- 0xa45f4438c9296b0ba586fc2eec9f0202e5d3c61a1d3adc975b80f6a1f4a5ca57
- 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae