{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:S2ELC7MNKXM4C3WIGEJSRFTY7D","short_pith_number":"pith:S2ELC7MN","schema_version":"1.0","canonical_sha256":"9688b17d8d55d9c16ec83113289678f8dd1f9cc96288c16868558670423d0593","source":{"kind":"arxiv","id":"1305.3614","version":2},"attestation_state":"computed","paper":{"title":"The 54 days orbital period of AX J1820.5-1434 unveiled by Swift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. D'A\\`i, A. Segreto, G. Cusumano, N. Masetti, S. Campana, V. La Parola","submitted_at":"2013-05-15T20:00:29Z","abstract_excerpt":"The hard X-ray survey that Swift-BAT has been performing since late 2004 has provided a considerable database for a large number of sources whose hard X-ray emission was poorly known. We are exploiting the BAT survey archive to improve the temporal and spectral characterization of the Galactic hard-X-ray sources. In this letter we focus on the study of the high mass X-ray binary AX J1820.5-1434. All the data relevant to AX J1820.5-1434 have been extracted from the BAT survey archive and analyzed using a folding technique to search for periodical modulations. A broad-band spectral analysis was "},"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":"1305.3614","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-05-15T20:00:29Z","cross_cats_sorted":[],"title_canon_sha256":"13eccc09d23853825197514dda7fd844a16e72cec316c61804f75aa0e6b942fe","abstract_canon_sha256":"2dbe7f782b8e99311fa54d15ce2cae03c549536ed267587740136c606e3144a5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:56.747219Z","signature_b64":"0giD2XtdzejVdAskZgn+PDSry4oc+NoWFjIvn5C8zDpVwiZfJHLzPH/0aU4t5/habbki5ZlsUIH48ekgrQASBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9688b17d8d55d9c16ec83113289678f8dd1f9cc96288c16868558670423d0593","last_reissued_at":"2026-05-18T01:49:56.746627Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:56.746627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The 54 days orbital period of AX J1820.5-1434 unveiled by Swift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. D'A\\`i, A. Segreto, G. Cusumano, N. Masetti, S. Campana, V. La Parola","submitted_at":"2013-05-15T20:00:29Z","abstract_excerpt":"The hard X-ray survey that Swift-BAT has been performing since late 2004 has provided a considerable database for a large number of sources whose hard X-ray emission was poorly known. We are exploiting the BAT survey archive to improve the temporal and spectral characterization of the Galactic hard-X-ray sources. In this letter we focus on the study of the high mass X-ray binary AX J1820.5-1434. All the data relevant to AX J1820.5-1434 have been extracted from the BAT survey archive and analyzed using a folding technique to search for periodical modulations. A broad-band spectral analysis was "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3614","kind":"arxiv","version":2},"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":"1305.3614","created_at":"2026-05-18T01:49:56.746731+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.3614v2","created_at":"2026-05-18T01:49:56.746731+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3614","created_at":"2026-05-18T01:49:56.746731+00:00"},{"alias_kind":"pith_short_12","alias_value":"S2ELC7MNKXM4","created_at":"2026-05-18T12:27:59.945178+00:00"},{"alias_kind":"pith_short_16","alias_value":"S2ELC7MNKXM4C3WI","created_at":"2026-05-18T12:27:59.945178+00:00"},{"alias_kind":"pith_short_8","alias_value":"S2ELC7MN","created_at":"2026-05-18T12:27:59.945178+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/S2ELC7MNKXM4C3WIGEJSRFTY7D","json":"https://pith.science/pith/S2ELC7MNKXM4C3WIGEJSRFTY7D.json","graph_json":"https://pith.science/api/pith-number/S2ELC7MNKXM4C3WIGEJSRFTY7D/graph.json","events_json":"https://pith.science/api/pith-number/S2ELC7MNKXM4C3WIGEJSRFTY7D/events.json","paper":"https://pith.science/paper/S2ELC7MN"},"agent_actions":{"view_html":"https://pith.science/pith/S2ELC7MNKXM4C3WIGEJSRFTY7D","download_json":"https://pith.science/pith/S2ELC7MNKXM4C3WIGEJSRFTY7D.json","view_paper":"https://pith.science/paper/S2ELC7MN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.3614&json=true","fetch_graph":"https://pith.science/api/pith-number/S2ELC7MNKXM4C3WIGEJSRFTY7D/graph.json","fetch_events":"https://pith.science/api/pith-number/S2ELC7MNKXM4C3WIGEJSRFTY7D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S2ELC7MNKXM4C3WIGEJSRFTY7D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S2ELC7MNKXM4C3WIGEJSRFTY7D/action/storage_attestation","attest_author":"https://pith.science/pith/S2ELC7MNKXM4C3WIGEJSRFTY7D/action/author_attestation","sign_citation":"https://pith.science/pith/S2ELC7MNKXM4C3WIGEJSRFTY7D/action/citation_signature","submit_replication":"https://pith.science/pith/S2ELC7MNKXM4C3WIGEJSRFTY7D/action/replication_record"}},"created_at":"2026-05-18T01:49:56.746731+00:00","updated_at":"2026-05-18T01:49:56.746731+00:00"}