← The evidence ledger
Evidence row 61516
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent.halowerk.com/v1/oss-openolat-learning-path-prerequisite-rehearsal
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 469a79fbf397cd272fcd1acffa26d563a6f8fcf10cf15eff1d88c6245d52f565
- Leaf
- 0xd4b0cb7a6f8cb7a1d6b5cc98dda9bab727eabb73eb50abab36fe6423f316059d
What was observed
{
"endpoints": [
[
"x402",
"https://agent.halowerk.com/v1/oss-openolat-learning-path-prerequisite-rehearsal"
]
],
"name": "agent.halowerk.com/v1/oss-openolat-learning-path-prerequisite-rehearsal",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "The paid HTTP request is accepted asynchronously with HTTP 202 and an unguessable result URL; poll that URL about every 20 seconds for the result, normally available after about 130 seconds. Settlement happens only after a successful native run while the authorization is still valid. The run passes a course structure and a set of learners through the pinned OpenOlat learning-path implementation and reports, per learner, which nodes the original code actually unlocks and in what order.",
"extensions": {
"bazaar": {
"info": {
"input": {
"bodyType": "json",
"exampleUrl": "https://agent.halowerk.com/v1/oss-openolat-learning-path-prerequisite-rehearsal/schema#/requestExample",
"method": "POST",
"schemaUrl": "https://agent.halowerk.com/v1/oss-openolat-learning-path-prerequisite-rehearsal/schema#/inputSchema",
"type": "http"
},
"output": {
"schemaUrl": "https://agent.halowerk.com/v1/oss-openolat-learning-path-prerequisite-rehearsal/schema#/outputSchema",
"type": "json"
}
},
"schema": {
"$defs": {
"node": {
"oneOf": [
{
"$ref": "#/$defs/page"
},
{
"$ref": "#/$defs/section"
}
]
},
"page": {
"additionalProperties": false,
"properties": {
"end_offset_minutes": {
"maximum": 525600,
"minimum": -525600,
"not": {
"maximum": 59,
"minimum": -59
},
"type": "integer"
},
"key": {
"pattern": "^[a-z][a-z0-9_]{0,31}$",
"type": "string"
},
"kind": {
"const": "page"
},
"obligation": {
"enum": [
"mandatory",
"optional",
"excluded"
]
},
"start_offset_minutes": {
"maximum": 525600,
"minimum": -525600,
"not": {
"maximum": 59,
"minimum": -59
},
"type": "integer"
},
"title": {
"maxLength": 120,
"minLength": 1,
"type": "string"
},
"trigger": {
"enum": [
"visit",
"confirm"
]
}
},
"required": [
"key",
"kind",
"title"
],
"type": "object"
},
"section": {
"additionalProperties": false,
"properties": {
"children": {
"items": {
"$ref": "#/$defs/node"
},
"maxItems": 32,
"minItems": 1,
"type": "array"
},
"key": {
"pattern": "^[a-z][a-z0-9_]{0,31}$",
"type": "string"
},
"kind": {
"const": "section"
},
"sequence": {
"enum": [
"sequential",
"free"
]
},
"title": {
"maxLength": 120,
"minLength": 1,
"type": "string"
}
},
"required": [
"key",
"kind",
"title",
"sequence",
"children"
],
"type": "object"
}
},
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": true,
"properties": {
"input": {
"additionalProperties": true,
"properties": {
"bodyType": {
"const": "json"
},
"exampleUrl": {
"format": "uri",
"type": "string"
},
"method": {
"const": "POST"
},
"schemaUrl": {
"format": "uri",
"type": "string"
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"bodyType"
],
"type": "object"
},
"output": {
"additionalProperties": true,
"properties": {
"exampleUrl": {
"format": "uri",
"type": "string"
},
"schemaUrl": {
"format": "uri",
"type": "string"
},
"type": {
"const": "json"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T19:40:23.187Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T19:40:22.77Z"
},
"resource": "https://agent.halowerk.com/v1/oss-openolat-learning-path-prerequisite-rehearsal",
"tags": [
"oss",
"openolat",
"p046"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "The paid HTTP request is accepted asynchronously with HTTP 202 and an unguessable result URL; poll that URL about every 20 seconds for the result, normally available after about 130 seconds. Settlement happens only after a successful native run while the authorization is still valid. The run passes a course structure and a set of learners through the pinned OpenOlat learning-path implementation and reports, per learner, which nodes the original code actually unlocks and in what order."
}What the leaf hashes
{"body":"469a79fbf397cd272fcd1acffa26d563a6f8fcf10cf15eff1d88c6245d52f565","id":61516,"kind":"listing","method":"baseline/1","observed_us":1793025451045574,"prev":null,"subject":"x402_bazaar:https://agent.halowerk.com/v1/oss-openolat-learning-path-prerequisite-rehearsal","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).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae