{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:OTO24DOJWNHOJWKKBYWVYXFJ3T","short_pith_number":"pith:OTO24DOJ","schema_version":"1.0","canonical_sha256":"74ddae0dc9b34ee4d94a0e2d5c5ca9dcda1934e9d187a82f775ef6fabd0fca44","source":{"kind":"arxiv","id":"2105.05997","version":1},"attestation_state":"computed","paper":{"title":"The impact and recovery of asteroid 2018 LA","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.IM","physics.geo-ph"],"primary_cat":"astro-ph.EP","authors_text":"Alessandro Maturilli, Alexander Proyer, Alexander Sehlke, Alex R. Gibbs, Aren Heinze, Babutsi Mosarwa, Christian Wolf, Christine Joblin, Christopher A. Onken, Daniel P. Glavin, Darrel K. Robertson, Davide Farnocchia, Derek W. Sears, Eric J. Christensen, Esko Lyytinen, Fulvio Franchi, Guo-Qiang Tang, Hadrien A. R. Devillepoix, Hannah L. McLain, Hassan Sabbah, Heikki Suhonen, Henner Busemann, Jarmo Moilanen, Jason P. Dworkin, Jelle Assink, Jim Albers, Joseph Maritinkole, Karen Ziegler, Kees C. Welten, Koketso Botepe, Larry Denneau, L\\\"aslo Evers, Lesedi Seitshiro, Lewis Ashwal, Magdalena H. Huyskens, Marco Micheli, Marc W. Caffee, Matthew E. Sanborn, Matthias Laubenstein, Matthias M. M. Meier, Michael E. Zolensky, Mikael Granvik, Mohutsiwa Gabadirwe, My E. I. Riebe, Nggie Wantlo, Nick Moskovitz, Oliver Moses, Panu Lahtinen, Paul W. Chodas, Peter Brown, Peter Jenniskens, Phemo Moleje, Philippe Schmitt-Kopplin, Qing-zhu Yin, Qin Zhou, Qiu-Li Li, Quanzhi Ye, Richard Kowalski, Roger L. Gibson, Supratim Dey, Takahiro Hiroi, Tim Cooper, Tomas Kohout, William Gray, Xian-Hua Li, Yu Liu","submitted_at":"2021-05-12T22:52:06Z","abstract_excerpt":"The June 2, 2018, impact of asteroid 2018 LA over Botswana is only the second asteroid detected in space prior to impacting over land. Here, we report on the successful recovery of meteorites. Additional astrometric data refine the approach orbit and define the spin period and shape of the asteroid. Video observations of the fireball constrain the asteroid's position in its orbit and were used to triangulate the location of the fireball's main flare over the Central Kalahari Game Reserve. 23 meteorites were recovered. A consortium study of eight of these classifies Motopi Pan as a HED polymict"},"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":"2105.05997","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-05-12T22:52:06Z","cross_cats_sorted":["astro-ph.IM","physics.geo-ph"],"title_canon_sha256":"1c1adb944e9735de45bf84e50a73a2c038f20d7c360ed6466a8f056bb9eab928","abstract_canon_sha256":"9af7cc26824b1dc8c835990d4956fa9cf32fac34a246cb3d484ce75f51b5f077"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:40:03.059895Z","signature_b64":"8FWMgfb69qZGIZdTUOTRgSLP1mGtqtmgMfszGIqSsVuMRfg5EbDZEVu0KPOOMV7dx3abx/MJEDzqvJ/az7lXCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74ddae0dc9b34ee4d94a0e2d5c5ca9dcda1934e9d187a82f775ef6fabd0fca44","last_reissued_at":"2026-07-05T02:40:03.059353Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:40:03.059353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The impact and recovery of asteroid 2018 LA","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.IM","physics.geo-ph"],"primary_cat":"astro-ph.EP","authors_text":"Alessandro Maturilli, Alexander Proyer, Alexander Sehlke, Alex R. Gibbs, Aren Heinze, Babutsi Mosarwa, Christian Wolf, Christine Joblin, Christopher A. Onken, Daniel P. Glavin, Darrel K. Robertson, Davide Farnocchia, Derek W. Sears, Eric J. Christensen, Esko Lyytinen, Fulvio Franchi, Guo-Qiang Tang, Hadrien A. R. Devillepoix, Hannah L. McLain, Hassan Sabbah, Heikki Suhonen, Henner Busemann, Jarmo Moilanen, Jason P. Dworkin, Jelle Assink, Jim Albers, Joseph Maritinkole, Karen Ziegler, Kees C. Welten, Koketso Botepe, Larry Denneau, L\\\"aslo Evers, Lesedi Seitshiro, Lewis Ashwal, Magdalena H. Huyskens, Marco Micheli, Marc W. Caffee, Matthew E. Sanborn, Matthias Laubenstein, Matthias M. M. Meier, Michael E. Zolensky, Mikael Granvik, Mohutsiwa Gabadirwe, My E. I. Riebe, Nggie Wantlo, Nick Moskovitz, Oliver Moses, Panu Lahtinen, Paul W. Chodas, Peter Brown, Peter Jenniskens, Phemo Moleje, Philippe Schmitt-Kopplin, Qing-zhu Yin, Qin Zhou, Qiu-Li Li, Quanzhi Ye, Richard Kowalski, Roger L. Gibson, Supratim Dey, Takahiro Hiroi, Tim Cooper, Tomas Kohout, William Gray, Xian-Hua Li, Yu Liu","submitted_at":"2021-05-12T22:52:06Z","abstract_excerpt":"The June 2, 2018, impact of asteroid 2018 LA over Botswana is only the second asteroid detected in space prior to impacting over land. Here, we report on the successful recovery of meteorites. Additional astrometric data refine the approach orbit and define the spin period and shape of the asteroid. Video observations of the fireball constrain the asteroid's position in its orbit and were used to triangulate the location of the fireball's main flare over the Central Kalahari Game Reserve. 23 meteorites were recovered. A consortium study of eight of these classifies Motopi Pan as a HED polymict"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.05997","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/2105.05997/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":"2105.05997","created_at":"2026-07-05T02:40:03.059411+00:00"},{"alias_kind":"arxiv_version","alias_value":"2105.05997v1","created_at":"2026-07-05T02:40:03.059411+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.05997","created_at":"2026-07-05T02:40:03.059411+00:00"},{"alias_kind":"pith_short_12","alias_value":"OTO24DOJWNHO","created_at":"2026-07-05T02:40:03.059411+00:00"},{"alias_kind":"pith_short_16","alias_value":"OTO24DOJWNHOJWKK","created_at":"2026-07-05T02:40:03.059411+00:00"},{"alias_kind":"pith_short_8","alias_value":"OTO24DOJ","created_at":"2026-07-05T02:40:03.059411+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/OTO24DOJWNHOJWKKBYWVYXFJ3T","json":"https://pith.science/pith/OTO24DOJWNHOJWKKBYWVYXFJ3T.json","graph_json":"https://pith.science/api/pith-number/OTO24DOJWNHOJWKKBYWVYXFJ3T/graph.json","events_json":"https://pith.science/api/pith-number/OTO24DOJWNHOJWKKBYWVYXFJ3T/events.json","paper":"https://pith.science/paper/OTO24DOJ"},"agent_actions":{"view_html":"https://pith.science/pith/OTO24DOJWNHOJWKKBYWVYXFJ3T","download_json":"https://pith.science/pith/OTO24DOJWNHOJWKKBYWVYXFJ3T.json","view_paper":"https://pith.science/paper/OTO24DOJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2105.05997&json=true","fetch_graph":"https://pith.science/api/pith-number/OTO24DOJWNHOJWKKBYWVYXFJ3T/graph.json","fetch_events":"https://pith.science/api/pith-number/OTO24DOJWNHOJWKKBYWVYXFJ3T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OTO24DOJWNHOJWKKBYWVYXFJ3T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OTO24DOJWNHOJWKKBYWVYXFJ3T/action/storage_attestation","attest_author":"https://pith.science/pith/OTO24DOJWNHOJWKKBYWVYXFJ3T/action/author_attestation","sign_citation":"https://pith.science/pith/OTO24DOJWNHOJWKKBYWVYXFJ3T/action/citation_signature","submit_replication":"https://pith.science/pith/OTO24DOJWNHOJWKKBYWVYXFJ3T/action/replication_record"}},"created_at":"2026-07-05T02:40:03.059411+00:00","updated_at":"2026-07-05T02:40:03.059411+00:00"}