{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:TAAMFY4FOIQKFIG652267FZUV3","short_pith_number":"pith:TAAMFY4F","schema_version":"1.0","canonical_sha256":"9800c2e3857220a2a0deeeb5ef9734aed872a8c402f54b8400bce32607c7fd40","source":{"kind":"arxiv","id":"2508.03812","version":1},"attestation_state":"computed","paper":{"title":"Worlds Next Door: A Candidate Giant Planet Imaged in the Habitable Zone of $\\alpha$ Cen A. II. Binary Star Modeling, Planet and Exozodi Search, and Sensitivity Analysis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Alexis Bidot, Aniket Sanghi, Anthony Boccaletti, Charles Beichman, Dimitri Mawet, Elodie Choquet, Jarron Leisenring, Jorge Llop-Sayson, Kevin Wagner, Laurent Pueyo, Mark Wyatt, Max Sommer, Michael Ressler, Nicolas Godoy, Pierre Kervella, Pierre-Olivier Lagage, William O. Balmer","submitted_at":"2025-08-05T18:01:24Z","abstract_excerpt":"JWST observed our closest solar twin, $\\alpha$ Cen A, with the MIRI coronagraph in F1550C (15.5 $\\mu$m) at three distinct epochs between August 2024 and April 2025. For the first time with JWST, we demonstrate the application of reference star differential imaging to simultaneously subtract the coronagraphic image of a primary star and the point spread function (PSF) of its binary companion to conduct a deep search for exoplanets and dust emission. We achieve a typical 5$\\sigma$ point source contrast sensitivity between $\\sim$$10^{-5}$-$10^{-4}$ at separations $\\gtrsim$ 1\" and an exozodiacal d"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2508.03812","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-08-05T18:01:24Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"title_canon_sha256":"69a77dacc19f00f5e05a8d8183885070ac85e1988ac68c1d03da8a1e79227e8b","abstract_canon_sha256":"bfd471e937c8a5e8d3e959dbf162ca49c4287f4f7543fb1670b8fa6b4a1ea9eb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:51:34.434516Z","signature_b64":"Lr1z5e6bn6X+orO28ey7Wxg+UrHw4DAXEzCCk/p4FmZuL9zSlkN5n+XPXSkDGx+NsHGPLqcsazVAuqemG2SoBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9800c2e3857220a2a0deeeb5ef9734aed872a8c402f54b8400bce32607c7fd40","last_reissued_at":"2026-07-05T11:51:34.434004Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:51:34.434004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Worlds Next Door: A Candidate Giant Planet Imaged in the Habitable Zone of $\\alpha$ Cen A. II. Binary Star Modeling, Planet and Exozodi Search, and Sensitivity Analysis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Alexis Bidot, Aniket Sanghi, Anthony Boccaletti, Charles Beichman, Dimitri Mawet, Elodie Choquet, Jarron Leisenring, Jorge Llop-Sayson, Kevin Wagner, Laurent Pueyo, Mark Wyatt, Max Sommer, Michael Ressler, Nicolas Godoy, Pierre Kervella, Pierre-Olivier Lagage, William O. Balmer","submitted_at":"2025-08-05T18:01:24Z","abstract_excerpt":"JWST observed our closest solar twin, $\\alpha$ Cen A, with the MIRI coronagraph in F1550C (15.5 $\\mu$m) at three distinct epochs between August 2024 and April 2025. For the first time with JWST, we demonstrate the application of reference star differential imaging to simultaneously subtract the coronagraphic image of a primary star and the point spread function (PSF) of its binary companion to conduct a deep search for exoplanets and dust emission. We achieve a typical 5$\\sigma$ point source contrast sensitivity between $\\sim$$10^{-5}$-$10^{-4}$ at separations $\\gtrsim$ 1\" and an exozodiacal d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.03812","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2508.03812/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2508.03812","created_at":"2026-07-05T11:51:34.434065+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.03812v1","created_at":"2026-07-05T11:51:34.434065+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.03812","created_at":"2026-07-05T11:51:34.434065+00:00"},{"alias_kind":"pith_short_12","alias_value":"TAAMFY4FOIQK","created_at":"2026-07-05T11:51:34.434065+00:00"},{"alias_kind":"pith_short_16","alias_value":"TAAMFY4FOIQKFIG6","created_at":"2026-07-05T11:51:34.434065+00:00"},{"alias_kind":"pith_short_8","alias_value":"TAAMFY4F","created_at":"2026-07-05T11:51:34.434065+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TAAMFY4FOIQKFIG652267FZUV3","json":"https://pith.science/pith/TAAMFY4FOIQKFIG652267FZUV3.json","graph_json":"https://pith.science/api/pith-number/TAAMFY4FOIQKFIG652267FZUV3/graph.json","events_json":"https://pith.science/api/pith-number/TAAMFY4FOIQKFIG652267FZUV3/events.json","paper":"https://pith.science/paper/TAAMFY4F"},"agent_actions":{"view_html":"https://pith.science/pith/TAAMFY4FOIQKFIG652267FZUV3","download_json":"https://pith.science/pith/TAAMFY4FOIQKFIG652267FZUV3.json","view_paper":"https://pith.science/paper/TAAMFY4F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.03812&json=true","fetch_graph":"https://pith.science/api/pith-number/TAAMFY4FOIQKFIG652267FZUV3/graph.json","fetch_events":"https://pith.science/api/pith-number/TAAMFY4FOIQKFIG652267FZUV3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TAAMFY4FOIQKFIG652267FZUV3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TAAMFY4FOIQKFIG652267FZUV3/action/storage_attestation","attest_author":"https://pith.science/pith/TAAMFY4FOIQKFIG652267FZUV3/action/author_attestation","sign_citation":"https://pith.science/pith/TAAMFY4FOIQKFIG652267FZUV3/action/citation_signature","submit_replication":"https://pith.science/pith/TAAMFY4FOIQKFIG652267FZUV3/action/replication_record"}},"created_at":"2026-07-05T11:51:34.434065+00:00","updated_at":"2026-07-05T11:51:34.434065+00:00"}