{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:XNTLRRPDCPPFDVGP2HPJLRBH3M","short_pith_number":"pith:XNTLRRPD","schema_version":"1.0","canonical_sha256":"bb66b8c5e313de51d4cfd1de95c427db25a3caa598acbf727b52f5243caf3350","source":{"kind":"arxiv","id":"2007.05407","version":1},"attestation_state":"computed","paper":{"title":"Use of the Semilinear Method to predict the Impact Corridor on Ground","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"A. Del Vigna, D. Bracali Cioci, F. Bernardi, L. Dimare","submitted_at":"2020-07-10T14:24:57Z","abstract_excerpt":"We propose an adaptation of the semilinear algorithm for the prediction of the impact corridor on ground of an Earth-impacting asteroid. The proposed algorithm provides an efficient tool, able to reliably predict the impact regions at fixed altitudes above ground with 5 orders of magnitudes less computations than Monte Carlo approaches. Efficiency is crucial when dealing with imminent impactors, which are characterized by high impact probabilities and impact times very close to the times of discovery. The case of 2008 TC3 is a remarkable example, but there are also recent cases of imminent imp"},"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":"2007.05407","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-07-10T14:24:57Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"4a8968d1778fb7000cb1d4440f69b5caec325b8a4ae4694149bf341d01bdaaae","abstract_canon_sha256":"9f7327d4d2c19bec29e08c2d45c5a75bcfdfb1470786c676245adc407a800d8a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:17:46.303535Z","signature_b64":"IXcsBcVddp4kZP/SKMwvgRCv0JW65yh/2bbXvkVpPWLM268nF/RRoznj3vNxNNB18muR8nFoKXqvBsrx3hV6BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb66b8c5e313de51d4cfd1de95c427db25a3caa598acbf727b52f5243caf3350","last_reissued_at":"2026-07-05T01:17:46.303083Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:17:46.303083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Use of the Semilinear Method to predict the Impact Corridor on Ground","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"A. Del Vigna, D. Bracali Cioci, F. Bernardi, L. Dimare","submitted_at":"2020-07-10T14:24:57Z","abstract_excerpt":"We propose an adaptation of the semilinear algorithm for the prediction of the impact corridor on ground of an Earth-impacting asteroid. The proposed algorithm provides an efficient tool, able to reliably predict the impact regions at fixed altitudes above ground with 5 orders of magnitudes less computations than Monte Carlo approaches. Efficiency is crucial when dealing with imminent impactors, which are characterized by high impact probabilities and impact times very close to the times of discovery. The case of 2008 TC3 is a remarkable example, but there are also recent cases of imminent imp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.05407","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/2007.05407/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":"2007.05407","created_at":"2026-07-05T01:17:46.303142+00:00"},{"alias_kind":"arxiv_version","alias_value":"2007.05407v1","created_at":"2026-07-05T01:17:46.303142+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.05407","created_at":"2026-07-05T01:17:46.303142+00:00"},{"alias_kind":"pith_short_12","alias_value":"XNTLRRPDCPPF","created_at":"2026-07-05T01:17:46.303142+00:00"},{"alias_kind":"pith_short_16","alias_value":"XNTLRRPDCPPFDVGP","created_at":"2026-07-05T01:17:46.303142+00:00"},{"alias_kind":"pith_short_8","alias_value":"XNTLRRPD","created_at":"2026-07-05T01:17:46.303142+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.09712","citing_title":"The fall of asteroid 2024 XA$_1$ and the location of possible meteorites","ref_index":15,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XNTLRRPDCPPFDVGP2HPJLRBH3M","json":"https://pith.science/pith/XNTLRRPDCPPFDVGP2HPJLRBH3M.json","graph_json":"https://pith.science/api/pith-number/XNTLRRPDCPPFDVGP2HPJLRBH3M/graph.json","events_json":"https://pith.science/api/pith-number/XNTLRRPDCPPFDVGP2HPJLRBH3M/events.json","paper":"https://pith.science/paper/XNTLRRPD"},"agent_actions":{"view_html":"https://pith.science/pith/XNTLRRPDCPPFDVGP2HPJLRBH3M","download_json":"https://pith.science/pith/XNTLRRPDCPPFDVGP2HPJLRBH3M.json","view_paper":"https://pith.science/paper/XNTLRRPD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2007.05407&json=true","fetch_graph":"https://pith.science/api/pith-number/XNTLRRPDCPPFDVGP2HPJLRBH3M/graph.json","fetch_events":"https://pith.science/api/pith-number/XNTLRRPDCPPFDVGP2HPJLRBH3M/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XNTLRRPDCPPFDVGP2HPJLRBH3M/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XNTLRRPDCPPFDVGP2HPJLRBH3M/action/storage_attestation","attest_author":"https://pith.science/pith/XNTLRRPDCPPFDVGP2HPJLRBH3M/action/author_attestation","sign_citation":"https://pith.science/pith/XNTLRRPDCPPFDVGP2HPJLRBH3M/action/citation_signature","submit_replication":"https://pith.science/pith/XNTLRRPDCPPFDVGP2HPJLRBH3M/action/replication_record"}},"created_at":"2026-07-05T01:17:46.303142+00:00","updated_at":"2026-07-05T01:17:46.303142+00:00"}