Skim Signal: AI/tech news — high-signal Hacker News stories, fresh arXiv AI papers, and of

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x63AE98f3363B346a94Fcc1CBcB621F1C2B1Fcddc",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "maxTimeoutSeconds": 120
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "limit": 50
        },
        "type": "http"
      },
      "output": {
        "example": {
          "asOf": "2026-07-13T12:00:00Z",
          "count": 2,
          "crawl": {
            "durationMs": 1800,
            "lastCrawlAt": "2026-07-13T12:00:00Z",
            "status": "ok"
          },
          "feed": "ai-news",
          "items": [
            {
              "at": "2026-07-13T11:40:00Z",
              "id": 101,
              "kind": "story",
              "payload": {
                "comments": 187,
                "discussionUrl": "https://news.ycombinator.com/item?id=48880000",
                "hnId": 48880000,
                "score": 412
              },
              "source": "hackernews",
              "summary": "Hacker News front page: 412 points, 187 comments.",
              "title": "New open-weights model tops reasoning benchmarks",
              "url": "https://example.com/model-announcement"
            },
            {
              "at": "2026-07-13T11:40:00Z",
              "id": 100,
              "kind": "vendor_news",
              "payload": {
                "publishedAt": "2026-07-13T10:00:00Z",
                "vendor": "OpenAI"
              },
              "source": "openai",
              "summary": "Official OpenAI announcement: a faster, cheaper flagship model tier for production agents.",
              "title": "Introducing our next-generation API",
              "url": "https://openai.com/news/example"
            }
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          "ttlSeconds": 600
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    "schema": {
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          "properties": {
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              "type": "object"
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              "const": "http",
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curl "https://skim402.com/api/v2/signal/ai-news/latest"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://skim402.com/api/v2/signal/ai-news/latest");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://skim402.com/api/v2/signal/ai-news/latest")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header