← The evidence ledger
Evidence row 219163
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-050
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 74641bea1939dd640f0b1df0c73d5b34d4f25802ac858f29461bf5798f2305b0
- Leaf
- 0x446fbb38ac6d151dcea00e40c3481fa09c841ba8fbcf73d0c548c7d0015a2c29
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-06-050"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-06-050",
"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": "Lab observations — Exact row deduplication + Two-measure correlation: Exact row deduplication + Two-measure correlation for supplied lab observations records (measurement, replicate_count). 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": {
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"measurement": 10,
"replicate_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"measurement": 20,
"replicate_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"measurement": 15,
"replicate_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"measurement": 30,
"replicate_count": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-06-050"
},
"sku": "assistant-ib26-education-06-050",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"measurement": 10,
"replicate_count": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"measurement": 20,
"replicate_count": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"measurement": 15,
"replicate_count": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"measurement": 30,
"replicate_count": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"measurement": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"replicate_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"measurement",
"replicate_count"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows"
],
"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": "2026-10-26T13:42:49.876Z",
"quality": {
"lastCalledAt": "2026-10-26T13:42:49.876Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-06-050",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Lab observations — Exact row deduplication + Two-measure correlation: Exact row deduplication + Two-measure correlation for supplied lab observations records (measurement, replicate_count). 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":"74641bea1939dd640f0b1df0c73d5b34d4f25802ac858f29461bf5798f2305b0","id":219163,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026656600153,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-06-050","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x446fd2d476b254cb69dc100263662b9039da1e1ebf3ba9394370f0db2be085fc
- 0xd45addd6b0155f2b9b805728935ecedcef0c800bc08c4d5f7db16177bacb22aa
- 0x5f1effc99417bfb1bf5659b36d5e4341c41937811417a118abc79945cc74748f
- 0x132b647604d94cdf831c6b3c10c7af04dd908f7d88121d19eca526c59da675aa
- 0xc8608134cb62be12f9b9db5557dcf453e8bd3cb7d72260e4c43ccd18064c1cc4
- 0x43f465ed633aa0ae2e6ba15e2f5f99add090edf6c923d1eefa7d04011a3fe4a9
- 0x5c950b4773bd3d5fab7b5551d6bd063f9ec16381eafe4246248e18e18f03f568
- 0x515514048f56b10a26f79dbde652a71e08502bbef21111e097a0364c0b900be3
- 0x976630b1189e6cd66fa7bed3075315f618ec08e36f127a7694c1ea9c4a0083de
- 0xde181bf1fcb403c809d49f37f3f74a5547c660ce89eda5bb438ddeecff34c900
- 0x1204d0e3e739db3e40f40f102e1314028f064872da22239d712e0ef4cff7deed
- 0x2b1b47804e83988d7fd5ed8179b2334f3f43b318109b54142f6c6bd749076f9e
- 0x54b29089c0a3cbbd6ddbe58944696110984dd5f418275cb1b77f957c56da8eab
- 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
- 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae