← The evidence ledger
Evidence row 554520
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-144
- Recorded
- Previous row
- #436290
- Body SHA-256
- 6b8bd9b3930fe6e6e42399fe76a7529f71f680c1929c4aaf1dc6eb2ba4481f32
- Leaf
- 0x308760f8921cb91438a64ac0187624299cacd35aa0b2d0e3b85620e72b221061
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-02-144"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-02-144",
"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 — Daily sum series + Keyed dataset comparison: Daily sum series + Keyed dataset comparison 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",
"other": [
{
"attempts": 1,
"correct_responses": 10,
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1"
},
{
"attempts": 2,
"correct_responses": 21,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
"attempts": 3,
"correct_responses": 17,
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
"attempts": 4,
"correct_responses": 33,
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"rows": [
{
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"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"
},
{
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"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-02-144"
},
"sku": "assistant-ib26-education-02-144",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
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},
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{
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"course_group": "group-a",
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{
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"course_group": "group-b",
"date": "2026-10-02",
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},
{
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"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
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"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
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"type": [
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"null"
]
},
"correct_responses": {
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"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
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"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
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},
"required": [
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"course_group",
"date",
"correct_responses",
"attempts"
],
"type": "object"
},
"maxItems": 200,
"minItems": 0,
"type": "array"
},
"rows": {
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"course_group": "group-a",
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"row_id": "row-1"
},
{
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"correct_responses": 20,
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2"
},
{
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"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3"
},
{
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"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"attempts": {
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"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"correct_responses": {
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"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"course_group": {
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"type": "string"
},
"date": {
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"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
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"minLength": 1,
"type": "string"
}
},
"required": [
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"course_group",
"date",
"correct_responses",
"attempts"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
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"field",
"other"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
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"method": {
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"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": "2026-10-27T07:16:33.706Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-27T07:16:33.429Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-02-144",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Assessment item observations — Daily sum series + Keyed dataset comparison: Daily sum series + Keyed dataset comparison 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":"6b8bd9b3930fe6e6e42399fe76a7529f71f680c1929c4aaf1dc6eb2ba4481f32","id":554520,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133625613832,"prev":436290,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-02-144","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).
- 0x3087242dd23d0d9f40dc4c3607a837c3fcb51959447c97ad8434a22de37f8243
- 0x257182d8d114c8a53148455c0c8930f4208c73ccefdd133d21d7c3f4e40720b5
- 0xd582db6e5b5ff5effffb00e855038cb0837a925744b2623f2d8abc5ea357905b
- 0x00f83e40cdf915cb617bfb44f29d28396a570ab8ad2188209e9ec83d5b15bb32
- 0x76249e7594f63fb6041005a054fb3d84244b7fd57a77cc98f46b6716af8e254c
- 0xa2325bd7fdc11e20f0ce013d7e192c07ce395edbba8737cc0c5b53b935225a1f
- 0x60831dda23c2d39c72ab885555e01e70185de3612c22e6435004f07f0f41edb4
- 0xb79bbe7da2f43f96aed55fe661d4dab6e2ddda6bccf759a363a818f16220c595
- 0x7278bf721cac218e34c40de8a5c9bc742e6b759ffdff68b20e417a7803e93a32
- 0x8b2a0c1569541e012096343578c3ab28498772d40e87d5b55d304a5ec608ce08
- 0xa332aeedb5946e98183c6766ade34702b2bc8d9c73c47322780a8efc2e2a00bf
- 0xc1b7c34b53a9fe9ca442a6957dc84259e1950987b7271aef733cbdcf0322901e
- 0x2a25cd9926d8f2ef4726fd2a80f77b1ca202b6c3ca56aeb2f520555c93efd434
- 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
- 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
- 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
- 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
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- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4