{"slug":"early-universe-jwst","topic":"early-universe-jwst","title":"JWST & the Early Universe: State of the Field (October 2026)","summary":"Covers spectroscopic and photometric galaxy samples above redshift 8, the early black-hole population, little red dots and reionization as seen by JWST through late October 2026. The key takeaway: galaxies and accreting black holes appear more abundant early than many pre-launch models predicted, but whether the excess reflects astrophysics or measurement systematics is unresolved, and the nature of little red dots remains contested.","version":1,"published_at":"2026-10-30","updated_at":"2026-10-30","stats":{"words":4179,"citations":61,"claims":30,"timeline":19,"benchmarks":12,"open_problems":5,"key_papers":15,"glossary":14},"verification":{"status":"verified","method":"automated figure and citation-relevance triage against cited abstracts, targeted AI review with web checks of flagged statements, and a close-out pass hedging or removing unconfirmed statements; automated citation resolution","claims_checked":11,"issues_fixed":6,"verified_at":"2026-10-30"},"ai_assisted":true,"price":{"usd":"0.20","protocol":"x402","network":"eip155:84532","asset":"USDC"},"url":"https://space-kitty.com/dossiers/early-universe-jwst","preview_url":"https://space-kitty.com/api/v1/dossiers/early-universe-jwst/preview","purchase_url":"https://space-kitty.com/api/v1/dossiers/early-universe-jwst","toc":[{"level":2,"text":"Executive summary","anchor":"executive-summary"},{"level":2,"text":"Background and core concepts","anchor":"background-and-core-concepts"},{"level":2,"text":"Timeline of key milestones","anchor":"timeline-of-key-milestones"},{"level":2,"text":"State of the art","anchor":"state-of-the-art"},{"level":3,"text":"Spectroscopic frontier beyond z = 10","anchor":"spectroscopic-frontier-beyond-z-10"},{"level":3,"text":"Luminosity functions and galaxy abundance","anchor":"luminosity-functions-and-galaxy-abundance"},{"level":3,"text":"Early supermassive black holes","anchor":"early-supermassive-black-holes"},{"level":3,"text":"Little red dots","anchor":"little-red-dots"},{"level":3,"text":"Chemistry, ionization and metallicity","anchor":"chemistry-ionization-and-metallicity"},{"level":3,"text":"Reionization and escape","anchor":"reionization-and-escape"},{"level":3,"text":"Quantitative benchmarks","anchor":"quantitative-benchmarks"},{"level":2,"text":"Open problems and active debates","anchor":"open-problems-and-active-debates"},{"level":2,"text":"Major programs and players","anchor":"major-programs-and-players"},{"level":2,"text":"Outlook: what to watch (November 2026 to May 2028)","anchor":"outlook-what-to-watch-november-2026-to-may-2028"},{"level":2,"text":"Key papers","anchor":"key-papers"},{"level":2,"text":"Glossary","anchor":"glossary"}],"sample_claims":["The highest spectroscopic redshift in the sources reviewed is z = 14.44 (+0.02/-0.02), measured for MoM-z14, which has M_UV = -20.2.","Two luminous galaxies were spectroscopically measured at z = 14.32 (+0.08/-0.20) and z = 13.90 (+/-0.17)."],"includes":["markdown","claims","timeline","benchmarks","open_problems","key_papers","glossary","bibliography"],"citation_count":61,"how_to_buy":"GET https://space-kitty.com/api/v1/dossiers/early-universe-jwst with an x402 client ($0.20, USDC on Base Sepolia (testnet))."}