{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:U45MWPL2YCMFKCBSYFQ6JIQATL","short_pith_number":"pith:U45MWPL2","schema_version":"1.0","canonical_sha256":"a73acb3d7ac098550832c161e4a2009accaba68e363796703485507dcfe840e3","source":{"kind":"arxiv","id":"1903.08180","version":1},"attestation_state":"computed","paper":{"title":"Measurement of the Free-Floating Planet Mass Function with Simultaneous Euclid and WFIRST Microlensing Parallax Observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Aparna Bhattacharya, B. Scott Gaudi, Calen B. Hendederson, Charles Beichman, Clement Ranc, David Bennett, Eamonn Kerins, Etienne Bachelet, Jason Rhodes, Jean-Phillipe Beaulieu, Kailash C. Sahu, Matthew T. Penny, Rachel Akeson, Rachel Street, Radek Poleski, Samson Johnson, Sebastiano Calchi Novati, Shude Mao, Valerio Bozza, Yossi Shvartzvald","submitted_at":"2019-03-19T18:00:13Z","abstract_excerpt":"Free-floating planets are the remnants of violent dynamical rearrangements of planetary systems. It is possible that even our own solar system ejected a large planet early in its evolution. WFIRST will have the ability to detect free-floating planets over a wide range of masses, but it will not be able to directly measure their masses. Microlensing parallax observations can be used to measure the masses of isolated objects, including free-floating planets, by observing their microlensing events from two locations. The intra-L2 separation between WFIRST and Euclid is large enough to enable micr"},"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":"1903.08180","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-19T18:00:13Z","cross_cats_sorted":[],"title_canon_sha256":"c8fa7b1651b0aff7cb3cc5e1007a5b1840345f11049b20d4e8e6f83f1a642c99","abstract_canon_sha256":"20215870c2323e75f09dc9c8a6141b9382eca718a966eb8710b8674a15947d6e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:50.177421Z","signature_b64":"0FdkOiJA97esBkBek3kQV7CLp8Kb3T3u+LvPizPMigQrca/SyrSqe7Y0XhBL1sTXLzeFuFy//Gwa7qYgxeZfDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a73acb3d7ac098550832c161e4a2009accaba68e363796703485507dcfe840e3","last_reissued_at":"2026-05-17T23:50:50.176757Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:50.176757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of the Free-Floating Planet Mass Function with Simultaneous Euclid and WFIRST Microlensing Parallax Observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Aparna Bhattacharya, B. Scott Gaudi, Calen B. Hendederson, Charles Beichman, Clement Ranc, David Bennett, Eamonn Kerins, Etienne Bachelet, Jason Rhodes, Jean-Phillipe Beaulieu, Kailash C. Sahu, Matthew T. Penny, Rachel Akeson, Rachel Street, Radek Poleski, Samson Johnson, Sebastiano Calchi Novati, Shude Mao, Valerio Bozza, Yossi Shvartzvald","submitted_at":"2019-03-19T18:00:13Z","abstract_excerpt":"Free-floating planets are the remnants of violent dynamical rearrangements of planetary systems. It is possible that even our own solar system ejected a large planet early in its evolution. WFIRST will have the ability to detect free-floating planets over a wide range of masses, but it will not be able to directly measure their masses. Microlensing parallax observations can be used to measure the masses of isolated objects, including free-floating planets, by observing their microlensing events from two locations. The intra-L2 separation between WFIRST and Euclid is large enough to enable micr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.08180","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":""},"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":"1903.08180","created_at":"2026-05-17T23:50:50.176860+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.08180v1","created_at":"2026-05-17T23:50:50.176860+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.08180","created_at":"2026-05-17T23:50:50.176860+00:00"},{"alias_kind":"pith_short_12","alias_value":"U45MWPL2YCMF","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_16","alias_value":"U45MWPL2YCMFKCBS","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_8","alias_value":"U45MWPL2","created_at":"2026-05-18T12:33:30.264802+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/U45MWPL2YCMFKCBSYFQ6JIQATL","json":"https://pith.science/pith/U45MWPL2YCMFKCBSYFQ6JIQATL.json","graph_json":"https://pith.science/api/pith-number/U45MWPL2YCMFKCBSYFQ6JIQATL/graph.json","events_json":"https://pith.science/api/pith-number/U45MWPL2YCMFKCBSYFQ6JIQATL/events.json","paper":"https://pith.science/paper/U45MWPL2"},"agent_actions":{"view_html":"https://pith.science/pith/U45MWPL2YCMFKCBSYFQ6JIQATL","download_json":"https://pith.science/pith/U45MWPL2YCMFKCBSYFQ6JIQATL.json","view_paper":"https://pith.science/paper/U45MWPL2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.08180&json=true","fetch_graph":"https://pith.science/api/pith-number/U45MWPL2YCMFKCBSYFQ6JIQATL/graph.json","fetch_events":"https://pith.science/api/pith-number/U45MWPL2YCMFKCBSYFQ6JIQATL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U45MWPL2YCMFKCBSYFQ6JIQATL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U45MWPL2YCMFKCBSYFQ6JIQATL/action/storage_attestation","attest_author":"https://pith.science/pith/U45MWPL2YCMFKCBSYFQ6JIQATL/action/author_attestation","sign_citation":"https://pith.science/pith/U45MWPL2YCMFKCBSYFQ6JIQATL/action/citation_signature","submit_replication":"https://pith.science/pith/U45MWPL2YCMFKCBSYFQ6JIQATL/action/replication_record"}},"created_at":"2026-05-17T23:50:50.176860+00:00","updated_at":"2026-05-17T23:50:50.176860+00:00"}