{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:VVQPIPGYWNHMUJZL6MRUO5PPGR","short_pith_number":"pith:VVQPIPGY","schema_version":"1.0","canonical_sha256":"ad60f43cd8b34eca272bf3234775ef346983fa8f74020057a5d0109f32301059","source":{"kind":"arxiv","id":"2011.09565","version":1},"attestation_state":"computed","paper":{"title":"Discovery of a Low-Redshift Damped Ly$\\alpha$ System in a Foreground Extended Disk Using a Starburst Galaxy Background Illuminator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Christopher M. Dupuis, Mansi Padave, Rachael M. Alexandroff, Rolf A. Jansen, Sanchayeeta Borthakur, Timothy M. Heckman","submitted_at":"2020-11-18T22:28:48Z","abstract_excerpt":"We present the discovery of a low-redshift damped Ly$\\alpha$ (DLA) system in the spectrum of background starburst galaxy SDSS J111323.88+293039.3 ($z=0.17514$). The DLA is at an impact parameter of $\\rm \\rho=36~kpc$ from the star forming galaxy, SDSS J111324.08+293051.2 ($z=0.17077$). We measure an HI column density of $N($HI$)\\rm =3.47\\times10^{20}~cm^{-2}$ along with multiple low-ionization species such as NI, NII, SiII, CII, and SiIII. We also make an estimate of the covering fraction to be 0.883, giving us a limiting size of the DLA to be $A_{DLA}\\rm \\geq3.3~kpc^2$. Assuming a uniform colu"},"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":"2011.09565","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-11-18T22:28:48Z","cross_cats_sorted":[],"title_canon_sha256":"7ef1a39665e66d099ba76fe32f22c4c892dd53958aedd37dde717b526fce67bf","abstract_canon_sha256":"bf8061025618b5366b95b983ef66de253bc0f9b177fe3907ecb0acc903107a1f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:12:44.032448Z","signature_b64":"JbuEemtE//oY0qocXk644g4HDBEF0sy32+H2ASZdhTwtQgmFBaAWHSpIcCnDgNDylPCT4ja5Ifq2xyB3SvFUCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad60f43cd8b34eca272bf3234775ef346983fa8f74020057a5d0109f32301059","last_reissued_at":"2026-07-05T02:12:44.031992Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:12:44.031992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of a Low-Redshift Damped Ly$\\alpha$ System in a Foreground Extended Disk Using a Starburst Galaxy Background Illuminator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Christopher M. Dupuis, Mansi Padave, Rachael M. Alexandroff, Rolf A. Jansen, Sanchayeeta Borthakur, Timothy M. Heckman","submitted_at":"2020-11-18T22:28:48Z","abstract_excerpt":"We present the discovery of a low-redshift damped Ly$\\alpha$ (DLA) system in the spectrum of background starburst galaxy SDSS J111323.88+293039.3 ($z=0.17514$). The DLA is at an impact parameter of $\\rm \\rho=36~kpc$ from the star forming galaxy, SDSS J111324.08+293051.2 ($z=0.17077$). We measure an HI column density of $N($HI$)\\rm =3.47\\times10^{20}~cm^{-2}$ along with multiple low-ionization species such as NI, NII, SiII, CII, and SiIII. We also make an estimate of the covering fraction to be 0.883, giving us a limiting size of the DLA to be $A_{DLA}\\rm \\geq3.3~kpc^2$. Assuming a uniform colu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.09565","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/2011.09565/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":"2011.09565","created_at":"2026-07-05T02:12:44.032053+00:00"},{"alias_kind":"arxiv_version","alias_value":"2011.09565v1","created_at":"2026-07-05T02:12:44.032053+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.09565","created_at":"2026-07-05T02:12:44.032053+00:00"},{"alias_kind":"pith_short_12","alias_value":"VVQPIPGYWNHM","created_at":"2026-07-05T02:12:44.032053+00:00"},{"alias_kind":"pith_short_16","alias_value":"VVQPIPGYWNHMUJZL","created_at":"2026-07-05T02:12:44.032053+00:00"},{"alias_kind":"pith_short_8","alias_value":"VVQPIPGY","created_at":"2026-07-05T02:12:44.032053+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/VVQPIPGYWNHMUJZL6MRUO5PPGR","json":"https://pith.science/pith/VVQPIPGYWNHMUJZL6MRUO5PPGR.json","graph_json":"https://pith.science/api/pith-number/VVQPIPGYWNHMUJZL6MRUO5PPGR/graph.json","events_json":"https://pith.science/api/pith-number/VVQPIPGYWNHMUJZL6MRUO5PPGR/events.json","paper":"https://pith.science/paper/VVQPIPGY"},"agent_actions":{"view_html":"https://pith.science/pith/VVQPIPGYWNHMUJZL6MRUO5PPGR","download_json":"https://pith.science/pith/VVQPIPGYWNHMUJZL6MRUO5PPGR.json","view_paper":"https://pith.science/paper/VVQPIPGY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2011.09565&json=true","fetch_graph":"https://pith.science/api/pith-number/VVQPIPGYWNHMUJZL6MRUO5PPGR/graph.json","fetch_events":"https://pith.science/api/pith-number/VVQPIPGYWNHMUJZL6MRUO5PPGR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VVQPIPGYWNHMUJZL6MRUO5PPGR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VVQPIPGYWNHMUJZL6MRUO5PPGR/action/storage_attestation","attest_author":"https://pith.science/pith/VVQPIPGYWNHMUJZL6MRUO5PPGR/action/author_attestation","sign_citation":"https://pith.science/pith/VVQPIPGYWNHMUJZL6MRUO5PPGR/action/citation_signature","submit_replication":"https://pith.science/pith/VVQPIPGYWNHMUJZL6MRUO5PPGR/action/replication_record"}},"created_at":"2026-07-05T02:12:44.032053+00:00","updated_at":"2026-07-05T02:12:44.032053+00:00"}