← The evidence ledger
Evidence row 1043195
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-091
- Recorded
- Previous row
- #763592
- Body SHA-256
- e646bbabebc42985c383392d3df011b5a45b0b0f7270ecee1abda34263d22f7b
- Leaf
- 0xcae9c8ba5de7afbe03d3205636db43d786816260207a930c2fcd7f63f790462d
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-02-091"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-02-091",
"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": "Assessment item observations — Grouped numeric summary + Adjacent row changes: Grouped numeric summary + Adjacent row changes for supplied assessment item observations records (correct_responses, attempts). 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": "correct_responses",
"rows": [
{
"attempts": 1,
"correct_responses": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attempts": 2,
"correct_responses": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attempts": 3,
"correct_responses": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attempts": 4,
"correct_responses": 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-02-091"
},
"sku": "assistant-ib26-education-02-091",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"field": {
"default": "correct_responses",
"enum": [
"correct_responses",
"attempts"
],
"type": "string"
},
"rows": {
"default": [
{
"attempts": 1,
"correct_responses": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attempts": 2,
"correct_responses": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attempts": 3,
"correct_responses": 15,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attempts": 4,
"correct_responses": 30,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"attempts": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"correct_responses": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"correct_responses",
"attempts"
],
"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": "2026-10-29T16:54:53.736Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-29T16:54:53.477Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-02-091",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assessment item observations — Grouped numeric summary + Adjacent row changes: Grouped numeric summary + Adjacent row changes for supplied assessment item observations records (correct_responses, attempts). 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":"e646bbabebc42985c383392d3df011b5a45b0b0f7270ecee1abda34263d22f7b","id":1043195,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298642715232,"prev":763592,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-091","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).
- 0xcae9e777368bdb0b7e0d4af4a450e2b3fb0ceb50429c4af17638b0ba3900cbe8
- 0x5be756c9c30dff64ada095859f32299849dcd965e4cfb6554e81ae70659a7285
- 0xdd2fbfd9d5a7b4f86dc6662d8ca003e0725407799cc06addca8eb5990e9c2500
- 0xd792f8c9645c160b297069a299cc7da8e7fbda57cd9977e7032f687e55b58340
- 0xff69d60caa4773093857e3d6f7ea9ad5eee51d51eae7268c0ec500f3ea833a03
- 0x97fa41ebce16551c32bb53ee69c325662c9c3325bb8e9ee6f29fd25ac04f705f
- 0x1ec312f872e9641a91ccbf4efe4611c610dc1eca059846026dfe1e18766955cb
- 0xf1dbd051093c5335348927e9a714d1a2acd05dd19931534d5b61fa240cfa9a31
- 0xfd918e532a8d3211052a4977a430660baf38269f16cbfec614bd159b7f7a07f0
- 0x648f3704b2eea51f141c3e080f441664574d9929d265d3d7b971cea14c67cd8f
- 0x468e0ae491cec46c8e61ab3ef90f507451da820a4b1d2745ab5d33ed20e248a3
- 0xce35b81783a2afcd425ebe6fbdad3858ae64dac766f009692d62389b1e1b788a
- 0xea9d1f13685919a967cdd4a1529cd2e312e5c24c183ab44024d1cf7118faa2f8
- 0xff4a7a4ef98a9db806f61d17fd3535917a23846dc8183da0b176c5699301b5ba
- 0x4e4f8f228a3b7a38299ec6f2b1967c6cf4de15fdd9dc0d200e691266e51ef99d
- 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
- 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
- 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1