High Signal is evidence-first intelligence on technology, startups, and finance. Every published signal cites two independent sources and enters a public…
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Evidence-backed daily intelligence across technology, startups, finance, and public markets.
Translation pending
Taken from the repository README
README
Loading the full README. The saved excerpt is shown below.
Current scope and day-to-day status live in PROJECT_STATUS.md (authoritative). This README is setup, architecture, and pipeline reference.
High Signal is one product: a synthesized Daily Brief assembled from noisy public sources across technology, startups, and finance. The public edition contains three evidence-qualified sections: markets and companies, business opportunities, and behavior and culture.
Current scope and day-to-day status live in PROJECT_STATUS.md (authoritative). This README is setup, architecture, and pipeline reference.
High Signal is one product: a synthesized Daily Brief assembled from noisy public sources across technology, startups, and finance. The public edition contains three evidence-qualified sections: markets and companies, business opportunities, and behavior and culture.
Readers start with today or yesterday, open a signal to inspect its proof, and use Track Record to judge prior calls. Sources and methodology support verification. Older records live in the chronological Signals surface behind a Turnstile human check. There are no reader accounts or personalized editions.
Company Universe, Markets, Communities, Entities, Sectors, and Convergence are supporting inputs or contextual research indexes. They stay out of the global reader navigation and are not separate products. Brand intelligence lives in Mentionpilot. The former personal brief, D2C pipeline, Agent Eval implementation, and Lab have been retired from this repository.
Pricing: free. No paid tier, no billing. Region is a free filter.
What it does today
Ingests SEC filings, IR pages, AI-infra news/blogs, Reddit, GitHub, government feeds, YouTube transcripts, HKEX announcements, GDELT, and prediction markets
Extracts source observations (Event / D1 events) + entities + relationships;
reviewed actionable conclusions live in signals
Turns supported world-level changes and repeated community demand into Daily Brief opportunities
Drafts daily signal candidates across low / medium / high confidence bands, each with cited proof
Predicts direction + 2nd-order spillover via supplier/customer/peer graph
Publishes reviewed signal cards and one Daily Brief
Auto-backtests every signal — public hit-rate ledger updated continuously
drank (Web Authority / Domain Signals): a parked data adapter consumed from public GitHub-backed JSON. It has no public High Signal route.
Data pipelines
Status of every public-source ingest that feeds the brief.
Tick the box when wired. Items left unticked are either deferred or
partially landed (notes call out which part remains).
Legend used in the notes:
wired — ingest runs in the daily cron and writes to D1 / git markdown / artifact.
partial — some of the source's surface is in, but the canonical scope (forms, sub-feeds, sub-tier columns) isn't complete yet.
deferred — wiring exists but not on the daily path (e.g., a v2 of the source).
Capital, filings, money
SEC EDGAR — 8-K / 10-Q / 10-K — python/ingest/sources/edgar.py
SEC EDGAR — Form D(curated private-company search via efts.sec.gov/LATEST/search-index, 15-day filing lag, wider-window runs only) — python/ingest/sources/edgar.py
SEC EDGAR — S-1(IPO prospectuses for tracked public tickers, wider-window runs only) — python/ingest/sources/edgar.py
SEC EDGAR — Form 4(insider transactions for tracked public tickers, wider-window runs only; cluster scoring still belongs downstream) — python/ingest/sources/edgar.py
SEC EDGAR — 13F-HR(institutional holdings for tracked public tickers, wider-window runs only) — python/ingest/sources/edgar.py
USPTO PatentsView API(curated assignee grants for 12–24mo product-lookahead evidence; adapter is wired, but the live API is currently in USPTO ODP transition and returns no events) — python/ingest/sources/patents.py
Companies House (UK)(optional COMPANIES_HOUSE_API_KEY; UK entity enrichment for tracked companies, skipped without a key) — python/ingest/sources/companies_house.py
Stock-price source of truth — equities_daily.py routes the entire NSE CM master/final bhavcopy through its full-market branch and other markets through yfinance. NSE originals and normalized history stay in private R2 with no company-count or duration cap. Existing consumers read the merged versioned contract; do not fetch quotes independently. See the stock-data boundary for retention, rights, availability and remaining research/API migration.
Derived artifacts only — apps/web/src/data/equities-snapshot.json, apps/web/src/data/price-context.json, apps/web/src/data/market-refreshes.json, and workers/api/src/lib/known-tickers.json are permitted projections of that contract, not independent market-data sources. A fresh checkout has no private inputs: builders preserve the last bundles and write an explicit withheld status. Run pnpm market:refresh after the canonical collection; public prices remain withheld until rights are qualified.
Prediction markets are separate — market_quotes means Polymarket / Manifold / Kalshi probabilities, not stock quotes. Never use that table as equity-price evidence.
Universe build — S&P 500 + Russell 1000 + S&P 400 + S&P 600 + Wikipedia international + ai_infra_entities + curated ETFs/indices + crypto top 100 → 3,226 unique tickers — python/ingest/sources/equities/universe.py
yfinance closes — daily EOD via batched download — python/ingest/sources/equities/yf.py
Cron implementation — cron-equities.yml collects the complete NSE dump daily, including potential special weekend sessions, with a late retry; the non-NSE branch retains its after-US-close schedule. Feature-branch schedules activate on main.
Jobs (leading capital indicator)
Greenhouse + Lever + Ashby public job boards(curated first batch; expand board-slug list toward ~2k startup companies) — python/ingest/sources/jobs.py
Semantic Scholar Graph API(curated recent research-paper search; no-key public mode with optional API key for rate limits) — python/ingest/sources/semantic_scholar.py
Digg attention overlay — python/ingest/src/high_signal_ingest/digg.py; five documented feeds, 30-minute snapshots, immediate original-source verification for material crossings, and evidence/confidence contribution fixed to none. Released with D1 migrations 0022–0023.
Reddit daily archive(99 curated technology, business, markets and national India communities) — one OAuth collection writes Zstd-22 posts, relevant comment trees and a versioned event export to private R2; scheduled High Signal ingestion and approved sibling products consume that shared export rather than scraping again. Reddit is attention, not proof. scripts/reddit-daily-archive.mjs, python/ingest/src/high_signal_ingest/sources/reddit.py
YouTube discovery + transcripts(15 hardware/macro/founder/operator channels; transcript access remains best-effort and separate from official API coverage) — python/ingest/sources/youtube.py
Bluesky AT Protocol(optional-auth search lane for real founder/researcher presence; full Relay firehose can replace it later if volume justifies it) — python/ingest/sources/bluesky.py
Lobste.rs(small technical RSS weak-signal source; curated alternative to broad social firehose) — python/ingest/sources/lobsters.py
Techmeme RSS(meta-curation / corroboration source, not primary evidence) — python/ingest/sources/techmeme.py
Podcast Index → transcript lane(optional Podcast Index metadata fetch for Acquired / 20VC / Latent Space; Whisper transcription is a downstream processor, not a daily fetcher concern) —
Policy & standards
Federal Register(BIS, Commerce, FTC, SEC, FCC, DHS/USCIS, FAA, FDA rulemaking feeds) — python/ingest/sources/gov.py
Regulations.gov(optional REGULATIONS_GOV_API_KEY; dockets/documents after Federal Register notice) — python/ingest/sources/regulations.py
SAM.gov + SBIR.gov + USAspending(SBIR public awards, no-key USAspending awards, plus optional-key SAM.gov opportunity search for AI / semiconductor / datacenter / cybersecurity demand signals) — python/ingest/sources/gov_contracts.py
Markets / prediction
Scope note: this lane is for forecast/probability markets only. It must not fetch or store equity prices; equity movement context belongs to the equities snapshot pipeline above.
Broaden Polymarket coverage beyond keyword filter — top-N by 24h volume firehose ("new kinds of gambling people do")
Add Metaculus(optional METACULUS_TOKEN; reputation-based long-horizon forecasts, context only because the API requires auth and terms review) — python/ingest/sources/metaculus.py
The Guardian Open Platform(optional GUARDIAN_API_KEY; mainstream corroboration/full-text news lane, skipped cleanly without a key) — python/ingest/sources/guardian.py
Attention
Wikipedia Pageviews API — GET /attention/:article?days=30 returns daily series + 7-vs-prior-7 trend. Overlaid on /convergence for the top 15 entities (avg/day + ±%). 275-entity seed JSON bundled in the Worker; no D1 round-trip.
Wikidata enrichment(bounded explicit enrichment adapter plus /enrich/ticker SPARQL lookup for candidate promotion; not part of daily --source all signal generation) — python/ingest/sources/wikidata.py, workers/api/src/routes/enrich.ts
Competitor / product intelligence
Wayback Machine CDX(moved out of general aggregation per product boundary; belongs to Mentionpilot, not the High Signal public-source brief) — Mentionpilot backlog
Security
NVD CVE API(curated keyword queries for tracked security/devtool products; CISA KEV remains the exploited-in-wild source) — python/ingest/sources/nvd.py
CISA KEV catalog(known exploited vulnerabilities only; structured security-risk candidates, not a broad CVE firehose) — python/ingest/sources/cisa_kev.py
Naming convention: ingest sources live under python/ingest/src/high_signal_ingest/sources/; sources that produce a web surface own a route under apps/web/src/app/; cron workflows live in .github/workflows/cron-*.yml. Each new pipeline gets a row in this list — keep it the canonical status board.
Work tracking
The PRD and locked product direction define scope. Planned, deferred, and
blocked work lives in this repository's GitHub Issues rather than in a second
README roadmap.
pnpm quality covers formatting, lint, types, tests, API coverage, unused code and
dependencies, Python dead code, complexity, duplication, dependency advisories,
cycles, inline suppressions, and documentation integrity. Existing measured debt
is held to checked-in no-regression baselines in scripts/check-code-health.mjs;
lower a baseline when cleanup improves it, and link any accepted debt to a GitHub
issue rather than refreshing a number automatically. The ingest Python surface
also runs its native checks in CI.
The MCP contract exposes eight stable read-only tools: get_daily_brief,
get_signal, get_daily_dump, get_source_coverage, search_signals,
browse_source, get_track_record, and get_entity. They reuse the same
cached public API reads and Today/Yesterday history boundary as the website.
The Brief response includes readerEdition, the same short, grouped selection
as the website, including up to two evidence-qualified ideas and trends each.
Their practical implication, uncertainty and claim provenance stay attached;
community discussions are investigation context. Complete news, stocks,
ideas and trends arrays remain available.
Deploy
Web → Cloudflare Workers via OpenNext (.github/workflows/deploy-web.yml)
API → Cloudflare Workers (.github/workflows/deploy-api.yml)
Ingest / markets / scoring → GitHub Actions cron
Modal remains for manual long backfills (cd python/ingest && uv run modal run modal_app.py::manual_backfill ...)
Naming
Codename high-signal collides with High Signal Labs / High Signal HQ. Final brand TBD post-traction.
Historical AI Task Log
These historical task receipts are context, not a current acceptance checklist.
Business lane: Core/status context
Rule: do not create another broad "improve the UI" task unless the acceptance criteria differ materially from the tasks listed here.
Current work is tracked in this repository’s GitHub Issues; the SaaS Maker task board is retired.
No current Active-AI product/design task from the 2026-05-25/26 loop. Treat this as watch/status unless new evidence appears.
Retained work from the portfolio review
These are unresolved requirements retained at the owner’s request. They are not completed features. Work should follow a concrete need and fresh evidence.
Harden daily freshness, Digg verification, and publishability
Verify current daily coverage, original sources including Digg, and publishability; remove evidence-strength claims unsupported by the underlying samples.
Run 34101952108
persisted 391 source events, then failed its sole AI generation request across
four clusters. The existing outage guard returned exit code 3; this was not a
market-ingestion failure or a native abort. The historical log does not expose
the provider failure category, so its root cause remains unverified.
The pipeline now reports bounded generation failure categories in its summary,
audit notes and outage annotation: timeout, network, HTTP client/server/rate
limit, invalid JSON/response, or unknown/unexpected. Arbitrary exception text
and provider URLs are excluded from these categories. Tests retain exit code 3
for a total outage and allow intentional model declines or partial recovery.
No retry limits, generation/publication rules, provider config or cron schedules
changed. The cron was not rerun and no production writes or paid calls ran.
Local fixture verification: uv run --project python/ingest --no-sync pytest python/ingest/tests/test_generator_resilience.py python/ingest/tests/test_pipeline_contracts.py python/ingest/tests/test_markets_kalshi.py -q (58 tests).
The sole open issue remains #133,
including provider recovery evidence, scheduled-chain/Digg latency acceptance,
and claim/baseline calibration. No open issue was closed; no PR was open.
Review-only claim qualification (2026-09-07)
The web release at ddefa8dd separates review observations from generated surge/adoption
hypotheses on the web. Original evidence remains inspectable, and the numeric
pipeline score no longer acts as a confidence badge. Local and hosted release evidence.
Ordinary desktop/mobile acceptance passed, including the previously stale edge cache.
Broader API/MCP/Brief claim calibration remains in
issue #133; this does
not make the corpus shareable. No published content or existing stash was changed.
Tier 2 macro/context — ECB FX daily + optional-key FRED DGS3MO/DGS10; Wikipedia pageviews and Wikidata enrichment are already wired. Dividend yield remains intentionally out until the single market-data service owns it. — python/ingest/sources/macro_rates.py
Tier 3 foundations — SEC XBRL fundamentals (US), wider-window Form 4 / 13F raw filings, and mention-count inputs from existing events. Market cap must be derived by joining XBRL shares/fundamentals to the single equities snapshot source; FINRA short interest and holder summaries remain downstream analytics, not new source fetchers. — python/ingest/sources/sec_xbrl.py, python/ingest/sources/edgar.py
