Caller-requested original URL https://www.sqlite.org/backup.html is the official SQLite Online Backup API page and the direct document for all three targets: snapshot creation mechanics (0), whether other connections may access the source during incremental backup (1), and what the page does or does not state about load testing or verified production restores (2). Free public read, no toll; contents unobserved but the page is the named subject. - free public original-page READ selection (not a cache hit); no purchase or creator reward. — selected for the claim-aware evidence portfolio (targets claims 1, 2, 3; 0 fetch USDC, 1 attention slot).

arXiv hiring post about scholarly publishing; unrelated to SQLite Online Backup API, WAL snapshots, or concurrent access. - free public feed reference; no purchase or creator reward.

BIS deposit insurance principles; no bearing on SQLite backup semantics or missing load-test evidence. - free public feed reference; no purchase or creator reward.

Survey of open source AI tools; not about SQLite backup API or WAL concurrency. - free public feed reference; no purchase or creator reward.

Cloudflare error monitoring for agents; unrelated to SQLite snapshot creation or incremental backup concurrency. - free public feed reference; no purchase or creator reward.

Open heritage licensing roundtable; no relevance to SQLite backup documentation. - free public feed reference; no purchase or creator reward.

Private AI compute memory announcement; unrelated to SQLite Online Backup API. - free public feed reference; no purchase or creator reward.

Open access publishing interview; not about SQLite backup snapshots or concurrency. - free public feed reference; no purchase or creator reward.

Docker sandbox trust keynote; no coverage of SQLite backup API or WAL behavior. - free public feed reference; no purchase or creator reward.

DuckDB view-only database file article; a different database system, not the official SQLite backup page. - free public feed reference; no purchase or creator reward.

LLM source-code security writing; unrelated to SQLite backup semantics. - free public feed reference; no purchase or creator reward.

Go inliner blog; no relevance to SQLite Online Backup API or WAL concurrency. - free public feed reference; no purchase or creator reward.

Generative UI for teachers; unrelated to SQLite backup documentation. - free public feed reference; no purchase or creator reward.

LLM agent overview; no bearing on SQLite backup snapshots or concurrent source access. - free public feed reference; no purchase or creator reward.

Research lab anniversary post; unrelated to SQLite backup API. - free public feed reference; no purchase or creator reward.

Netlify/Cursor deployment news; not about SQLite backup or WAL. - free public feed reference; no purchase or creator reward.

Ollama decision models; unrelated to SQLite Online Backup API. - free public feed reference; no purchase or creator reward.

OpenAI developer plugin docs; no relevance to SQLite backup semantics. - free public feed reference; no purchase or creator reward.

Affiliation error research security post; unrelated to SQLite backup API. - free public feed reference; no purchase or creator reward.

PostgreSQL performance dashboard news; different database system, not the official SQLite backup page. - free public feed reference; no purchase or creator reward.

PyTorch conference guide; no relevance to SQLite backup or WAL concurrency. - free public feed reference; no purchase or creator reward.

Rust release announcement; unrelated to SQLite Online Backup API. - free public feed reference; no purchase or creator reward.

LLM post-training article; no bearing on SQLite backup snapshots. - free public feed reference; no purchase or creator reward.

Bayesian A/B testing post; unrelated to SQLite backup API. - free public feed reference; no purchase or creator reward.

Stablecoin payments announcement; no relevance to SQLite backup documentation. - free public feed reference; no purchase or creator reward.

Supabase/Postgres backend tooling; not the official SQLite backup page and does not address Online Backup API snapshot or concurrency. - free public feed reference; no purchase or creator reward.

Tailscale/Codex networking post; unrelated to SQLite backup semantics. - free public feed reference; no purchase or creator reward.

NASA engineering excellence essay; unrelated to SQLite Online Backup API snapshot semantics or incremental backup concurrency. No target worth investigating. - free public feed reference; no purchase or creator reward.

vLLM Apple Silicon serving announcement; concerns LLM inference, not SQLite backup behavior. No target worth investigating. - free public feed reference; no purchase or creator reward.

Wikimedia community meetup report; unrelated to SQLite backup API or WAL concurrency. No target worth investigating. - free public feed reference; no purchase or creator reward.

x402 payments foundation announcement; unrelated to SQLite snapshot creation or incremental backup concurrency. No target worth investigating. - free public feed reference; no purchase or creator reward.

Keryx release notes about proxy controls, writer roles and NAS bounds; unrelated to SQLite backup API. Paid toll with no relevance to any target.

Keryx citation-reward engineering doc; concerns payment/settlement mechanics, not SQLite snapshot or incremental backup concurrency. Cached but irrelevant to all targets.