{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:IBPQNHCASR4Y4L7V4Y275DBGLU","short_pith_number":"pith:IBPQNHCA","schema_version":"1.0","canonical_sha256":"405f069c4094798e2ff5e635fe8c265d0256877fe0d51fea8aa07b5c8ea050e5","source":{"kind":"arxiv","id":"2402.17004","version":1},"attestation_state":"computed","paper":{"title":"The Interstellar Medium in Dwarf Irregular Galaxies","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bruce G. Elmegreen, Deidre A. Hunter, Suzanne C. Madden","submitted_at":"2024-02-26T20:20:05Z","abstract_excerpt":"Dwarf irregulars (dIrrs) are among the most common type of galaxy in the Universe. They typically have gas-rich, low surface-brightness, metal-poor, and relatively-thick disks. Here we summarize the current state of our knowledge of the interstellar medium (ISM), including atomic, molecular and ionized gas, along with their dust properties and metals. We also discuss star formation feedback, gas accretion, and mergers with other dwarfs that connect the ISM to the circumgalactic and intergalactic media. We highlight one of the most persistent mysteries: the nature of pervasive gas that is yet u"},"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":"2402.17004","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-02-26T20:20:05Z","cross_cats_sorted":[],"title_canon_sha256":"6095c3ccb83bb29561c8fc21d78de3901c928d645774caa91c258be0052e2610","abstract_canon_sha256":"fff936247e47b08a333bf846599a09f8711b2aa4a8da3fafe8821ef52c8ad598"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:49:40.114110Z","signature_b64":"EnPq9U/iaMoV0KH41z0uI3G3ykTrqbWvgwlskGke1hcrbt+rk61k5mFQyZ9XQRFAHIpTtwcW56sqZDfm73cBDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"405f069c4094798e2ff5e635fe8c265d0256877fe0d51fea8aa07b5c8ea050e5","last_reissued_at":"2026-07-05T07:49:40.113714Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:49:40.113714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Interstellar Medium in Dwarf Irregular Galaxies","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bruce G. Elmegreen, Deidre A. Hunter, Suzanne C. Madden","submitted_at":"2024-02-26T20:20:05Z","abstract_excerpt":"Dwarf irregulars (dIrrs) are among the most common type of galaxy in the Universe. They typically have gas-rich, low surface-brightness, metal-poor, and relatively-thick disks. Here we summarize the current state of our knowledge of the interstellar medium (ISM), including atomic, molecular and ionized gas, along with their dust properties and metals. We also discuss star formation feedback, gas accretion, and mergers with other dwarfs that connect the ISM to the circumgalactic and intergalactic media. We highlight one of the most persistent mysteries: the nature of pervasive gas that is yet u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.17004","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/2402.17004/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":"2402.17004","created_at":"2026-07-05T07:49:40.113772+00:00"},{"alias_kind":"arxiv_version","alias_value":"2402.17004v1","created_at":"2026-07-05T07:49:40.113772+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.17004","created_at":"2026-07-05T07:49:40.113772+00:00"},{"alias_kind":"pith_short_12","alias_value":"IBPQNHCASR4Y","created_at":"2026-07-05T07:49:40.113772+00:00"},{"alias_kind":"pith_short_16","alias_value":"IBPQNHCASR4Y4L7V","created_at":"2026-07-05T07:49:40.113772+00:00"},{"alias_kind":"pith_short_8","alias_value":"IBPQNHCA","created_at":"2026-07-05T07:49:40.113772+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.06402","citing_title":"Recent Developments on the HI Gas of Low-Redshift Galaxies Seen by the 21cm Emission Lines","ref_index":78,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IBPQNHCASR4Y4L7V4Y275DBGLU","json":"https://pith.science/pith/IBPQNHCASR4Y4L7V4Y275DBGLU.json","graph_json":"https://pith.science/api/pith-number/IBPQNHCASR4Y4L7V4Y275DBGLU/graph.json","events_json":"https://pith.science/api/pith-number/IBPQNHCASR4Y4L7V4Y275DBGLU/events.json","paper":"https://pith.science/paper/IBPQNHCA"},"agent_actions":{"view_html":"https://pith.science/pith/IBPQNHCASR4Y4L7V4Y275DBGLU","download_json":"https://pith.science/pith/IBPQNHCASR4Y4L7V4Y275DBGLU.json","view_paper":"https://pith.science/paper/IBPQNHCA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2402.17004&json=true","fetch_graph":"https://pith.science/api/pith-number/IBPQNHCASR4Y4L7V4Y275DBGLU/graph.json","fetch_events":"https://pith.science/api/pith-number/IBPQNHCASR4Y4L7V4Y275DBGLU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IBPQNHCASR4Y4L7V4Y275DBGLU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IBPQNHCASR4Y4L7V4Y275DBGLU/action/storage_attestation","attest_author":"https://pith.science/pith/IBPQNHCASR4Y4L7V4Y275DBGLU/action/author_attestation","sign_citation":"https://pith.science/pith/IBPQNHCASR4Y4L7V4Y275DBGLU/action/citation_signature","submit_replication":"https://pith.science/pith/IBPQNHCASR4Y4L7V4Y275DBGLU/action/replication_record"}},"created_at":"2026-07-05T07:49:40.113772+00:00","updated_at":"2026-07-05T07:49:40.113772+00:00"}