← The evidence ledger
Evidence row 91052
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-08-183
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 33c97e4d1c2102d77e019ed67fd1b82ebd19b8f5473432a885055bb2ca4b7983
- Leaf
- 0x31bd9f4e6574d717069b4d908bcd59bc78b67ca9026acecddce03456422079fd
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-08-183"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-08-183",
"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": "Bibliography inventories — Two-measure correlation + Keyed dataset comparison: Two-measure correlation + Keyed dataset comparison for supplied bibliography inventories records (reference_count, verified_references). 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": {
"other": [
{
"course_group": "group-a",
"date": "2026-10-01",
"reference_count": 10,
"row_id": "row-1",
"verified_references": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"reference_count": 21,
"row_id": "row-2",
"verified_references": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"reference_count": 17,
"row_id": "row-3",
"verified_references": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"reference_count": 33,
"row_id": "row-4",
"verified_references": 4
}
],
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"reference_count": 10,
"row_id": "row-1",
"verified_references": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"reference_count": 20,
"row_id": "row-2",
"verified_references": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"reference_count": 15,
"row_id": "row-3",
"verified_references": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"reference_count": 30,
"row_id": "row-4",
"verified_references": 4
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-08-183"
},
"sku": "assistant-ib26-education-08-183",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"other": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"reference_count": 10,
"row_id": "row-1",
"verified_references": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"reference_count": 21,
"row_id": "row-2",
"verified_references": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"reference_count": 17,
"row_id": "row-3",
"verified_references": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"reference_count": 33,
"row_id": "row-4",
"verified_references": 4
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"reference_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"verified_references": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"reference_count",
"verified_references"
],
"type": "object"
},
"maxItems": 200,
"minItems": 0,
"type": "array"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"reference_count": 10,
"row_id": "row-1",
"verified_references": 1
},
{
"course_group": "group-b",
"date": "2026-10-02",
"reference_count": 20,
"row_id": "row-2",
"verified_references": 2
},
{
"course_group": "group-a",
"date": "2026-10-03",
"reference_count": 15,
"row_id": "row-3",
"verified_references": 3
},
{
"course_group": "group-b",
"date": "2026-10-04",
"reference_count": 30,
"row_id": "row-4",
"verified_references": 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"
},
"reference_count": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"verified_references": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
}
},
"required": [
"row_id",
"course_group",
"date",
"reference_count",
"verified_references"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"other"
],
"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": "2026-10-23T11:02:38.246Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-23T11:02:33.763Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-08-183",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Bibliography inventories — Two-measure correlation + Keyed dataset comparison: Two-measure correlation + Keyed dataset comparison for supplied bibliography inventories records (reference_count, verified_references). 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":"33c97e4d1c2102d77e019ed67fd1b82ebd19b8f5473432a885055bb2ca4b7983","id":91052,"kind":"listing","method":"baseline/1","observed_us":1793025526216948,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-08-183","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).
- 0x31bd66ff949da5ef63533f589229ece2e41e4d6c1b8348fc8ec5787b2d09d1b8
- 0xf9d4f96bbee083c3bde6fbb2fd87f7b5afd30f3f24e68ff87d7bb24a14b8d133
- 0x7b4769989ef44735e7d5a9663ef7ec6f2091e1194684a79ce3c5cb27bcf5661f
- 0x4dbf9407383275f5db0fabb5550491b32ea6f1e01c13a65081f9a17c95dd11b2
- 0xbe43542159ec20fe362972895fdc12e7269382f8b59780523343cf5a6f7da915
- 0xb3124546a8b671a11bf55d6b7c01a3f4a5b3fe34ecaa5aa56815547669eb33e2
- 0xf20a9bfde3046d36f4076516ae79bf2608a2d6a0ad2a1f6cfd23590c2ace062b
- 0x3e3f553dea87eedaf388c4b41c370e39e1566b9d234634affd3a04c9ee9fc525
- 0x613500380e43be1caef6863c8284ae35ee54e583bef15a3ad625d3cb9130b0df
- 0x057c932588a31dcb53ff6fe6c091dc26556fcd6faea2eb4cdb4ac1d3f596f1e3
- 0xa4cc17a7ce78f05039820f0a50d323cd0bedd23c37338f2719d249dca75c07ec
- 0xd85c7204d76d26255c94ef4caa12c05addd08238caa5cdc3888ea60b74e6b940
- 0x36a44931b230976c04691d90bf3a25ed4111d74c78b672850d8025a911ca88dd
- 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae