{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:DMBM5GZNL4ZJGEZPRD6YNQYG6W","short_pith_number":"pith:DMBM5GZN","schema_version":"1.0","canonical_sha256":"1b02ce9b2d5f3293132f88fd86c306f5ba3235db1c9b2468c89d245cf2b726be","source":{"kind":"arxiv","id":"1903.08099","version":1},"attestation_state":"computed","paper":{"title":"Exploring the Interstellar Medium Using an Asymmetric X-ray Dust Scattering Halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Chichuan Jin, David Bogensberger, Gabriele Ponti, Guangxing Li","submitted_at":"2019-03-19T16:37:47Z","abstract_excerpt":"SWIFT J1658.2-4242 is an X-ray transient discovered recently in the Galactic plane, with severe X-ray absorption corresponding to an equivalent hydrogen column density of $N_{\\rm H,abs}\\sim2\\times10^{23}$ cm$^{-2}$. Using new Chandra and XMM-Newton data, we discover a strong X-ray dust scattering halo around it. The halo profile can be well fitted by the scattering from at least three separated dust layers. During the persistent emission phase of SWIFT J1658.2-4242, the best-fit dust scattering $N_{\\rm H,sca}$ based on the COMP-AC-S dust grain model is consistent with $N_{\\rm H,abs}$. The best"},"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":"1903.08099","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-19T16:37:47Z","cross_cats_sorted":[],"title_canon_sha256":"95be77e7759f179ae1acadaad3e588edf59d0394bc88b1ec06dbf2f4c6be3266","abstract_canon_sha256":"7d9c5b63db7e02a54705556ab8f528458c6e7bf49efec3be2d8804081b5b8375"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:25.198865Z","signature_b64":"5cqjSKMURNERKgx/l4069VSYR6TR8qA/nuBZPNzLsCdgRw/XEL7rQP++Z2aW77KKtqQN2bermL3QuHEaJSHwBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b02ce9b2d5f3293132f88fd86c306f5ba3235db1c9b2468c89d245cf2b726be","last_reissued_at":"2026-05-17T23:47:25.198382Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:25.198382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exploring the Interstellar Medium Using an Asymmetric X-ray Dust Scattering Halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Chichuan Jin, David Bogensberger, Gabriele Ponti, Guangxing Li","submitted_at":"2019-03-19T16:37:47Z","abstract_excerpt":"SWIFT J1658.2-4242 is an X-ray transient discovered recently in the Galactic plane, with severe X-ray absorption corresponding to an equivalent hydrogen column density of $N_{\\rm H,abs}\\sim2\\times10^{23}$ cm$^{-2}$. Using new Chandra and XMM-Newton data, we discover a strong X-ray dust scattering halo around it. The halo profile can be well fitted by the scattering from at least three separated dust layers. During the persistent emission phase of SWIFT J1658.2-4242, the best-fit dust scattering $N_{\\rm H,sca}$ based on the COMP-AC-S dust grain model is consistent with $N_{\\rm H,abs}$. The best"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.08099","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":"1903.08099","created_at":"2026-05-17T23:47:25.198455+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.08099v1","created_at":"2026-05-17T23:47:25.198455+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.08099","created_at":"2026-05-17T23:47:25.198455+00:00"},{"alias_kind":"pith_short_12","alias_value":"DMBM5GZNL4ZJ","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_16","alias_value":"DMBM5GZNL4ZJGEZP","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_8","alias_value":"DMBM5GZN","created_at":"2026-05-18T12:33:15.570797+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/DMBM5GZNL4ZJGEZPRD6YNQYG6W","json":"https://pith.science/pith/DMBM5GZNL4ZJGEZPRD6YNQYG6W.json","graph_json":"https://pith.science/api/pith-number/DMBM5GZNL4ZJGEZPRD6YNQYG6W/graph.json","events_json":"https://pith.science/api/pith-number/DMBM5GZNL4ZJGEZPRD6YNQYG6W/events.json","paper":"https://pith.science/paper/DMBM5GZN"},"agent_actions":{"view_html":"https://pith.science/pith/DMBM5GZNL4ZJGEZPRD6YNQYG6W","download_json":"https://pith.science/pith/DMBM5GZNL4ZJGEZPRD6YNQYG6W.json","view_paper":"https://pith.science/paper/DMBM5GZN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.08099&json=true","fetch_graph":"https://pith.science/api/pith-number/DMBM5GZNL4ZJGEZPRD6YNQYG6W/graph.json","fetch_events":"https://pith.science/api/pith-number/DMBM5GZNL4ZJGEZPRD6YNQYG6W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DMBM5GZNL4ZJGEZPRD6YNQYG6W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DMBM5GZNL4ZJGEZPRD6YNQYG6W/action/storage_attestation","attest_author":"https://pith.science/pith/DMBM5GZNL4ZJGEZPRD6YNQYG6W/action/author_attestation","sign_citation":"https://pith.science/pith/DMBM5GZNL4ZJGEZPRD6YNQYG6W/action/citation_signature","submit_replication":"https://pith.science/pith/DMBM5GZNL4ZJGEZPRD6YNQYG6W/action/replication_record"}},"created_at":"2026-05-17T23:47:25.198455+00:00","updated_at":"2026-05-17T23:47:25.198455+00:00"}