{
 "date": "2026-09-20",
 "source": "Signals 4 — free daily AI digest (Signals API)",
 "homepage": "https://data.jiangzhang.ca/signals4/archive/",
 "rss": "https://data.jiangzhang.ca/signals4/feed.xml",
 "license": "Free to read, quote and cite with attribution to Signals 4 (Signals API).",
 "summary": "4 signals on Sun, Sep 20, 2026, one each from GitHub, Hugging Face, YouTube, Silicon Valley: “codecrafters-io/build-your-own-x” (GitHub) · “prism-ml/Ternary-Bonsai-2-27B-gguf” (Hugging Face) · “Prison system is an insane asylum | Andrew Scull and Lex Fridman” (YouTube) · “Weekly Dose of Optimism #211” (Silicon Valley).",
 "citation": "Signals 4 daily digest for Sun, Sep 20, 2026: 4 signals recorded from GitHub, Hugging Face, YouTube, Silicon Valley (as of 2026-09-20). Source: Signals 4 (Signals API) — https://data.jiangzhang.ca/signals4/archive/2026-09-20.html",
 "sources": [
  "GitHub",
  "Hugging Face",
  "YouTube",
  "Silicon Valley"
 ],
 "signals": [
  {
   "source": "GitHub",
   "board": "Stars",
   "title": "codecrafters-io/build-your-own-x",
   "url": "https://github.com/codecrafters-io/build-your-own-x",
   "note": "Master programming by recreating your favorite technologies from scratch."
  },
  {
   "source": "Hugging Face",
   "board": "Models",
   "title": "prism-ml/Ternary-Bonsai-2-27B-gguf",
   "url": "https://huggingface.co/prism-ml/Ternary-Bonsai-2-27B-gguf",
   "note": "Hugging Face 社区热门模型，关注 Llama、GGUF 等方向。社区累计下载 1,908,396 · 点赞 1,351。"
  },
  {
   "source": "YouTube",
   "board": "Interviews",
   "title": "Prison system is an insane asylum | Andrew Scull and Lex Fridman",
   "url": "https://www.youtube.com/watch?v=UyoA-r1sii8",
   "note": "Lex Fridman Podcast full episode: https://www.youtube.com/watch?v=s7d2d8FhevU Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/cv10045-sb See below for guest bio, links, and to give feedb"
  },
  {
   "source": "Silicon Valley",
   "board": "Analysis",
   "title": "Weekly Dose of Optimism #211",
   "url": "https://www.notboring.co/p/weekly-dose-of-optimism-211",
   "note": "Tarlatamab, Fayuvi, NGI, Jev, Thatch $1B + Extra Doses"
  }
 ]
}