← The evidence ledger
Evidence row 763401
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-162
- Recorded
- Previous row
- #555713
- Body SHA-256
- 155683b283cf555e5c9b105fe155120ad158f08ea29f0e314807f3b9f2f31ea9
- Leaf
- 0x230f881d47e449b0820d4617203313a65c14ab5945ded280b54fd9cc59acbfbc
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-22-162"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-22-162",
"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": "Data collection completeness — Adjacent row changes + Explicit missing-value fill: Adjacent row changes + Explicit missing-value fill for supplied data collection completeness records (observed_values, expected_values). 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": "observed_values",
"method": "median",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"expected_values": 1,
"observed_values": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"expected_values": 2,
"observed_values": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"expected_values": 3,
"observed_values": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"expected_values": 4,
"observed_values": 30,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-22-162"
},
"sku": "assistant-ib26-education-22-162",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "observed_values",
"enum": [
"observed_values",
"expected_values"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"expected_values": 1,
"observed_values": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"expected_values": 2,
"observed_values": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"expected_values": 3,
"observed_values": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"expected_values": 4,
"observed_values": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"expected_values": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"observed_values": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"observed_values",
"expected_values"
],
"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": "2026-10-27T19:51:17.011Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-27T19:51:16.603Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-22-162",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Data collection completeness — Adjacent row changes + Explicit missing-value fill: Adjacent row changes + Explicit missing-value fill for supplied data collection completeness records (observed_values, expected_values). 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":"155683b283cf555e5c9b105fe155120ad158f08ea29f0e314807f3b9f2f31ea9","id":763401,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793179106851125,"prev":555713,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-22-162","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).
- 0x230f73c5e9db5288ea6a96105b33abe9fc68d98fb91e7bba000a06a24398ed2b
- 0x08e1378652049e37fe8eb3c679d025a12fc66a2971f2114aa7f8ea4c5be5d7e8
- 0x73a7bcbdbe13ac4431a78271012a6958f39df0ae53ec5c717887f4555f9de30a
- 0xe0903892d45a4351be8a53cfdb35b9a74b77c73d5cc801786de5f5e189616e07
- 0xc861494f5d945dce1313c5b333869b3b7de203cb27db1b2482b0aa905ea493fa
- 0x2bf6225dc82bc64114a0cd0ba171cc8fd380d1aec9c0b0bca238e93ad6e56a4d
- 0xeaa9486986ecfd3b9a6054c1e286ce4584d60244fdf923115fc7e019fb345a4e
- 0x3d5f26402e9842a777567009e59ecb04d970fefacc5035994aeb16ab7bfcf46e
- 0xc957eaf4cffcf4317ea4547bd5cbecccaee0d9e7449c1c7ef5b104626c8d5872
- 0x4f4119b3f18e6a052a85f0ed1f6029f209da2db0b6921d4d524a3d5bb9244c21
- 0xba583dfb858d36597e0331ea4346b284aa13cfcf192287fb2086182dad261725
- 0x1afe025bf0d97efced13e77f68b5e16c7bfb56ea13cca50c8aed2d156e60d500
- 0x3ce83ad86ff4f1711072c47e954f682b6a67bc60b2342af27fa493f972b6b9c0
- 0xa45c19ee1ddfa3971a75affe2da0c01e0a09406bb4b50c48e0d9cf0e082801a3
- 0x4698ebc7cbcb2286f661b867355eb6a9183e884482ee16965889e886b17d19ac
- 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
- 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
- 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae