{"status":"healthy","sources":{"arxiv":{"status":"up","latencyMs":65,"lastCheck":"2026-04-19T05:32:16.170Z"},"pubmed":{"status":"up","latencyMs":145,"lastCheck":"2026-04-19T05:32:16.271Z"},"crossref":{"status":"up","latencyMs":721,"lastCheck":"2026-04-19T05:32:16.849Z"},"openalex":{"status":"up","latencyMs":674,"lastCheck":"2026-04-19T05:32:16.804Z"}},"timestamp":"2026-04-19T05:32:16.849Z"}