← The evidence ledger
Evidence row 417709
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-24-163
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e003d5d9d1f5e5e4662b309461c69f918bf38866ed2545c4c0edf7ce6ff948de
- Leaf
- 0x4c3ba478934ecc69077c2c252e82ad3cbfa864b5c7750f0b996826feacb1f5f8
What was observed
{
"endpoints": [
[
"x402",
"https://market.datapackvibe.com/x402/assistant-ib26-education-24-163"
]
],
"name": "market.datapackvibe.com/x402/assistant-ib26-education-24-163",
"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": "Curriculum mapping — Base-100 series + Equal-width histogram: Base-100 series + Equal-width histogram for supplied curriculum mapping records (mapped_outcomes, required_outcomes). 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": {
"base_index": 0,
"bins": 5,
"field": "mapped_outcomes",
"rows": [
{
"course_group": "group-a",
"date": "2026-10-01",
"mapped_outcomes": 10,
"required_outcomes": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"mapped_outcomes": 20,
"required_outcomes": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"mapped_outcomes": 15,
"required_outcomes": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"mapped_outcomes": 30,
"required_outcomes": 4,
"row_id": "row-4"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"files": [],
"order_id": "ord_example",
"result": {
"completed": true,
"workflow": "ib26-education-24-163"
},
"sku": "assistant-ib26-education-24-163",
"status": "delivered"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"base_index": {
"default": 0,
"maximum": 199,
"minimum": 0,
"type": "integer"
},
"bins": {
"default": 5,
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"field": {
"default": "mapped_outcomes",
"enum": [
"mapped_outcomes",
"required_outcomes"
],
"type": "string"
},
"rows": {
"default": [
{
"course_group": "group-a",
"date": "2026-10-01",
"mapped_outcomes": 10,
"required_outcomes": 1,
"row_id": "row-1"
},
{
"course_group": "group-b",
"date": "2026-10-02",
"mapped_outcomes": 20,
"required_outcomes": 2,
"row_id": "row-2"
},
{
"course_group": "group-a",
"date": "2026-10-03",
"mapped_outcomes": 15,
"required_outcomes": 3,
"row_id": "row-3"
},
{
"course_group": "group-b",
"date": "2026-10-04",
"mapped_outcomes": 30,
"required_outcomes": 4,
"row_id": "row-4"
}
],
"items": {
"additionalProperties": false,
"properties": {
"course_group": {
"default": "",
"maxLength": 80,
"type": "string"
},
"date": {
"default": "",
"maxLength": 10,
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"mapped_outcomes": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"required_outcomes": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": [
"number",
"null"
]
},
"row_id": {
"default": "",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"row_id",
"course_group",
"date",
"mapped_outcomes",
"required_outcomes"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"rows",
"field",
"base_index",
"bins"
],
"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": "2026-10-27T01:15:06.993Z",
"quality": {
"lastCalledAt": "2026-10-27T01:15:06.993Z"
},
"resource": "https://market.datapackvibe.com/x402/assistant-ib26-education-24-163",
"tags": [
"ai",
"learning",
"workflow"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Curriculum mapping — Base-100 series + Equal-width histogram: Base-100 series + Equal-width histogram for supplied curriculum mapping records (mapped_outcomes, required_outcomes). 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":"e003d5d9d1f5e5e4662b309461c69f918bf38866ed2545c4c0edf7ce6ff948de","id":417709,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080851937482,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-ib26-education-24-163","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).
- 0x4c3b67b2a15a3d47187c0c3bf3decd35026a6ba5c340e40daa189331f502c6a3
- 0xf8ff1a0fced72087ce6bb2b7024b61cd557c813bb86261ce8e38565dcf063ecd
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- 0x80fb66e439a23da67b411755281003260ef11a85d90a45ae38a30eb48611572c
- 0x987711dfe76d83fa8ed9dacf4f9d7d547ca9d3ef9d59055fb7719b3b4fa1b451
- 0xb76b7b68ac78551720d57d03fe6c01264bfafa6fc1048f2aa3356c96e128a56a
- 0x30dc2dfbdb4a1994987f771ccd4bbc64ffe3938c84af0989fb883beccb72b29c
- 0x334708cbbf2358f3afa743a9bcd96cead505ab85b4a0010b6ee36da3833f9794
- 0x5261d06769384688f36c8bd4470c46642a0cce9e19a816ad08ec2cb5d9b9f22f
- 0xf76cc8368883e5e859b77ef9ab8ee1e563f24cb57134247e77c2c3fd2b2d772c
- 0xdb79ef753f2bf12d42dd9582e7548d8779f526360e431c95865fd80eb157c47e
- 0xf5ad7dee20c9ad48ff75cc443e6c6ae3a718321f07b826d581afdb243e59305f
- 0x150dc531eedad3837a4be47dd0bf1a84bf98feb63216c125982425fda525a3fd
- 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
- 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
- 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
- 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
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- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4