← The evidence ledger
Evidence row 2670405
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-085
- Recorded
- Previous row
- #2247215
- Body SHA-256
- 597958d6640ec525e20fddb8a8e5c2563cbef685b7f2044fbf213aa3d8f70868
- Leaf
- 0x0d6c8a9e398f0a9b17ec425eed53f6b6b7bbe0be6e307a45567947373e0c3413
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-11-085"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-11-085",
"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": "Training assessments — Numeric distribution + Explicit missing-value fill: Numeric distribution + Explicit missing-value fill for supplied training assessments records (pre_score, post_score). 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": "pre_score",
"method": "median",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"post_score": 1,
"pre_score": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"post_score": 2,
"pre_score": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"post_score": 3,
"pre_score": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"post_score": 4,
"pre_score": 30,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-11-085"
},
"sku": "assistant-ib26-education-11-085",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "pre_score",
"enum": [
"pre_score",
"post_score"
],
"type": "string"
},
"method": {
"default": "median",
"enum": [
"zero",
"mean",
"median"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"post_score": 1,
"pre_score": 10,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"post_score": 2,
"pre_score": 20,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"post_score": 3,
"pre_score": 15,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"post_score": 4,
"pre_score": 30,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"post_score": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"pre_score": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"pre_score",
"post_score"
],
"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": "2026-11-03T10:27:21.889Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-03T10:27:21.433Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-11-085",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Training assessments — Numeric distribution + Explicit missing-value fill: Numeric distribution + Explicit missing-value fill for supplied training assessments records (pre_score, post_score). 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":"597958d6640ec525e20fddb8a8e5c2563cbef685b7f2044fbf213aa3d8f70868","id":2670405,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793735197024871,"prev":2247215,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-11-085","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x0d6c6b3cd233a3175dec5d0168bb636644c0a8936ea206634647c7c34cb7888b
- 0x785211a68e67d17794d8acb4b811b4a0d4359854cc02b58a0e083e76c5ce8b35
- 0x9b6cd5dc575ba1b70161bbb010d2b29f443d074ff586c713d395faeb7a17e77f
- 0xdb8585ecfcdf6b0d8b598a29477bb9886c34d431e3675f316f24aa2e08880324
- 0x4b1b148c4f8b3590f8fdb76af652b16c45ead70ca7d501bf7b6471f051919a07
- 0xece5891d1a2bc8a8622087a1bd1c3e837cf5a760e902e67314e2856e1f9eb7a6
- 0x9c35a0f8a70b51d991ac21cbb09776f3c8a3291dd00d29d49f4436d982b401d3
- 0x80dd77e7a1c46d92d379d2335c22d48bf2802dd4cfa0bfc6ef14564e284dda8f
- 0x054acbfeda338099388c4fe8f4a9e88bac1ec550768b95c394895171288357ff
- 0xd2b8bbf77251bb9e2c6407572161b60271753ff75ead912ffbcef3a10fee0b9b
- 0xb9dda9021a58b7cc03c454ff01168ba9bfef6b04309dc288daba43a2ab108e58
- 0xce4b1301717b8a45823ec74e314583044be6652242f9879d657c440f96352504
- 0x593c60077eaf63cd302a3d033a280b28ac4c98d73bae86915b770c7e408ad8db
- 0xa495b842d8f7d8efe4285381f8b862b8ab4fec0bfe90ede1e0c66f9fad72c871
- 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
- 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
- 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7