← The evidence ledger
Evidence row 412137
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-05-202
- Recorded
- Previous row
- #90745
- Body SHA-256
- 0ec076481aab50ebb83e2837bac427906f7282cbaf7dcfcf148a13c3b8f9a13e
- Leaf
- 0x34e1dc3285115ea23f55fe2371701c5c53a829dcd2414970cbdc693cfe4b3488
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-05-202"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-05-202",
"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": "Assignment turnaround — Record quality audit + String normalisation + Equal-width histogram: Record quality audit + String normalisation + Equal-width histogram for supplied assignment turnaround records (submission_count, feedback_hours). 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": {
"bins": 5,
"field": "submission_count",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"feedback_hours": 1,
"row_id": "row-1",
"submission_count": 10
},
{
"course_group": "group-b",
"date": "2026-10-02",
"feedback_hours": 2,
"row_id": "row-2",
"submission_count": 20
},
{
"course_group": "group-a",
"date": "2026-10-03",
"feedback_hours": 3,
"row_id": "row-3",
"submission_count": 15
},
{
"course_group": "group-b",
"date": "2026-10-04",
"feedback_hours": 4,
"row_id": "row-4",
"submission_count": 30
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-05-202"
},
"sku": "assistant-ib26-education-05-202",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"bins": {
"default": 5,
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"field": {
"default": "submission_count",
"enum": [
"submission_count",
"feedback_hours"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"feedback_hours": 1,
"row_id": "row-1",
"submission_count": 10
},
{
"course_group": "group-b",
"date": "2026-10-02",
"feedback_hours": 2,
"row_id": "row-2",
"submission_count": 20
},
{
"course_group": "group-a",
"date": "2026-10-03",
"feedback_hours": 3,
"row_id": "row-3",
"submission_count": 15
},
{
"course_group": "group-b",
"date": "2026-10-04",
"feedback_hours": 4,
"row_id": "row-4",
"submission_count": 30
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"feedback_hours": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"submission_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"submission_count",
"feedback_hours"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"bins"
],
"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": "2026-10-27T04:22:44.571Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T12:40:28.3Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-05-202",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assignment turnaround — Record quality audit + String normalisation + Equal-width histogram: Record quality audit + String normalisation + Equal-width histogram for supplied assignment turnaround records (submission_count, feedback_hours). 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":"0ec076481aab50ebb83e2837bac427906f7282cbaf7dcfcf148a13c3b8f9a13e","id":412137,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080554285843,"prev":90745,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-05-202","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0x34e1df7b8d98a2b88d822699254364faac9e12fe1023c259ffc2e382587b5ae3
- 0x5bac020a380a20ca827a0614c342b45a5d8ef22d32248f6c6ea615650c231e26
- 0xb8a76fb3347a51af24956a764b60db94a061ab4aa3fd8a04edf6a64d41662846
- 0x415c2cff3027c50d5c76f2ffc7bf9f336ecc6aa20ffb42de4c13be6c876aea87
- 0x8a7846cf42db534e962c1687602f05c8ccfe1be6c22c3c9a4fbf22eccd1c49c1
- 0x80d465d07757f6939f5b1dc5f06ed948ea1a4109fa0f79cac33707def355453f
- 0xe4a0a8fcf653141e38fb2447421ac3df9a320046c704b4348fa65f87fb85365f
- 0x745aaeb3c8bd63ff51aa04afeb32fc8ef076d820e9090c24f4b08f234f16f5ec
- 0x5101a1d217c3d03270b4a9724b1366ace4e1e792397eb22a9ded6a2bf46a858c
- 0x48d42084c9eb53146dfed684604b0a978ab115f2d32a07259e80aabd6f56b1d4
- 0x85a6f473253adaf20ada24e9798c83bbc77040d206df2377d7a0ddf9221f9e70
- 0x0491d1aef43a95c6e235bd50f122c12c8c56196bb71b329f055061f0e9ee7115
- 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
- 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
- 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
- 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
- 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4