← The evidence ledger
Evidence row 1800586
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-033
- Recorded
- Previous row
- #1530040
- Body SHA-256
- eb1ef7c6400ce3e7ae4e4c99b11d71133aef42dde9d0e425f155f43f4604f5d0
- Leaf
- 0x0245f2ac4ed467d13cdb5982ac40ec713b10dd7f15856f57e7c94f39bf673c52
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-13-033"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-13-033",
"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": "Experiment run timing — String normalisation + Two-measure correlation: String normalisation + Two-measure correlation for supplied experiment run timing records (run_seconds, sample_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",
"row_id": "row-1",
"run_seconds": 10,
"sample_count": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"run_seconds": 20,
"sample_count": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"run_seconds": 15,
"sample_count": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"run_seconds": 30,
"sample_count": 4
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-13-033"
},
"sku": "assistant-ib26-education-13-033",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"row_id": "row-1",
"run_seconds": 10,
"sample_count": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"row_id": "row-2",
"run_seconds": 20,
"sample_count": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"row_id": "row-3",
"run_seconds": 15,
"sample_count": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"row_id": "row-4",
"run_seconds": 30,
"sample_count": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"run_seconds": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"sample_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"run_seconds",
"sample_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": "2026-11-01T16:27:36.679Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T16:27:36.439Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-13-033",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Experiment run timing — String normalisation + Two-measure correlation: String normalisation + Two-measure correlation for supplied experiment run timing records (run_seconds, sample_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":"eb1ef7c6400ce3e7ae4e4c99b11d71133aef42dde9d0e425f155f43f4604f5d0","id":1800586,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560154247169,"prev":1530040,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-13-033","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0x024623782e01bf13676eb6d27b3ae17253f6695d824d44968b549e2c97e116ab
- 0xc91121b592d095ecfb8382f4dd11b044c2f4eb3117c65f3515f112d684e65327
- 0xfce53d3f9971d1c3b7889f141d4a67d1d935b9eefae6d50d4ab07e7d99ddc66c
- 0x2c5e04200ba5389cbc46df236253f1c61e19dba77ecbbb666b365a29be969547
- 0xecbe0820cd2a22fd2fdea8e7a90f07243f36bae52bb0101403a7c0aa3d29f7ba
- 0x36b8d4426f1490a28aed33db8480a2bcb5000ad5553cb65eb6e69074594f5b02
- 0x24d31e640ffa37af6464b982b83872adabf534df8f895d53d6c50b540f349349
- 0x5ef215623b8153004a8a86d8cb90e9ec7b051188656eced1525ba88c451cedd5
- 0x5be5a3b0ec77ebe67cbe9fbc60b4ded256913abcbb7c5433ba06446cab71a83e
- 0xf2a9d78b9dbc4f58bab0b1588decfd2f442be4903b5de8e3cb09c7ed530c55b6
- 0xdaca3ee21f92165a6be7aff19d86ea39de273294ab8810a9c99c6f06d300957d
- 0x0a4934154defdcca31a0b6442fe83c13faf26d0232a42ab012e8b30a8f915341
- 0x79fedbe687b77b652992baee73ae63f11f5fdb524358706ec36fc4e8328df784
- 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
- 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
- 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
- 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90