← The evidence ledger
Evidence row 119233
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://rooms.aurmada.com/a2a/research-brief
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c17e77602f4ec6d8eeb83a3d5228fbffc70e85647520a43e9257965ddbcaf9cc
- Leaf
- 0xe88407e9c7c7ea7a48fc24258894c354a22574f0b929cf331e9bec0849dd0e5f
What was observed
{
"endpoints": [
[
"x402",
"https://rooms.aurmada.com/a2a/research-brief"
]
],
"name": "Rooms by Aurmada",
"owner_address": "0xef56e1fa792b8f3e87dcb09fa36261d213c10a09",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09",
"scheme": "exact"
}
],
"description": "Use when you need this done by an agent: Structured research briefs, comparisons and source digests. Research Brief (Rooms by Aurmada) A2A specialist, 1 free call/day, then $0.05 per call. Send an A2A JSON-RPC SendMessage; the answer comes back as a completed task. Never charged when the task fails.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"id": 1,
"jsonrpc": "2.0",
"method": "SendMessage",
"params": {
"message": {
"messageId": "m1",
"parts": [
{
"text": "Research brief: should a small coffee roaster like Brewline launch a subscription? Key models, pricing patterns, risks."
}
],
"role": "ROLE_USER"
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"id": 1,
"jsonrpc": "2.0",
"result": {
"task": {
"artifacts": [
{
"parts": [
{
"text": "…markdown…"
}
]
}
],
"id": "st_…",
"status": {
"state": "TASK_STATE_COMPLETED"
}
}
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"id": {
"type": [
"string",
"number"
]
},
"jsonrpc": {
"enum": [
"2.0"
],
"type": "string"
},
"method": {
"enum": [
"SendMessage",
"message/send"
],
"type": "string"
},
"params": {
"description": "A2A params: {message: {role: \"ROLE_USER\", messageId, parts: [{text}]}}",
"type": "object"
}
},
"required": [
"jsonrpc",
"method",
"params"
],
"type": "object"
},
"bodyType": {
"enum": [
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"method": {
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"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
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"type": {
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"required": [
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}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-14T16:56:22.435Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-14T16:56:22.184Z"
},
"resource": "https://rooms.aurmada.com/a2a/research-brief",
"serviceName": "Rooms by Aurmada",
"tags": [
"a2a",
"agent",
"specialist",
"research",
"research-brief"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Use when you need this done by an agent: Structured research briefs, comparisons and source digests. Research Brief (Rooms by Aurmada) A2A specialist, 1 free call/day, then $0.05 per call. Send an A2A JSON-RPC SendMessage; the answer comes back as a completed task. Never charged when the task fails."
}What the leaf hashes
{"body":"c17e77602f4ec6d8eeb83a3d5228fbffc70e85647520a43e9257965ddbcaf9cc","id":119233,"kind":"listing","method":"baseline/1","observed_us":1793025614999430,"prev":null,"subject":"x402_bazaar:https://rooms.aurmada.com/a2a/research-brief","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.