{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:2QBKEVSUPXF35EH6BVJKO74WJL","short_pith_number":"pith:2QBKEVSU","schema_version":"1.0","canonical_sha256":"d402a256547dcbbe90fe0d52a77f964ae6e1027504ca0ea9c19a02dc3b8022ff","source":{"kind":"arxiv","id":"2505.15983","version":1},"attestation_state":"computed","paper":{"title":"MeerKAT Discovery of an Infalling Cold Gas Tail onto the Nearby Barred Spiral Galaxy, NGC 5643","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"F. M. Maccagni, J. Healy, K. C. Santana, R. Deane","submitted_at":"2025-05-21T20:03:30Z","abstract_excerpt":"The detailed study of gas flows in local Active Galactic Nuclei (AGN) is essential for understanding the regulation of star formation and black hole growth, which are fundamental to galaxy evolution. One such AGN case study is NGC 5643, a nearby ($D_{L}\\sim17.3$ Mpc) star-forming, late-type, Seyfert galaxy, where inflows and outflows have been observed in detail. NGC 5643 has been studied at multiple wavelengths, however, a key missing component is sensitive, high-resolution neutral hydrogen ($\\mathrm{H\\,I}$) observations. We present 21-cm observations of NGC 5643 with MeerKAT, revealing six l"},"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":"2505.15983","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-05-21T20:03:30Z","cross_cats_sorted":[],"title_canon_sha256":"c67324eea772f56543e52c07c772589d2eceb0ad1612a68fb6db820d5e0e4162","abstract_canon_sha256":"16b3574bd529a727c17b74a8ccf373f1ecc65b935f788b1c59170cd2fd5815d1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:07:28.117728Z","signature_b64":"gDDqYsIBi4UoxGgc6V7tOopOBSpeEoYTT5T/5pKaKLVTw/E2tC8T+dUhH3LFiBYavzWUo7WqBRvxr2zT/96LDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d402a256547dcbbe90fe0d52a77f964ae6e1027504ca0ea9c19a02dc3b8022ff","last_reissued_at":"2026-07-05T11:07:28.117228Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:07:28.117228Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"MeerKAT Discovery of an Infalling Cold Gas Tail onto the Nearby Barred Spiral Galaxy, NGC 5643","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"F. M. Maccagni, J. Healy, K. C. Santana, R. Deane","submitted_at":"2025-05-21T20:03:30Z","abstract_excerpt":"The detailed study of gas flows in local Active Galactic Nuclei (AGN) is essential for understanding the regulation of star formation and black hole growth, which are fundamental to galaxy evolution. One such AGN case study is NGC 5643, a nearby ($D_{L}\\sim17.3$ Mpc) star-forming, late-type, Seyfert galaxy, where inflows and outflows have been observed in detail. NGC 5643 has been studied at multiple wavelengths, however, a key missing component is sensitive, high-resolution neutral hydrogen ($\\mathrm{H\\,I}$) observations. We present 21-cm observations of NGC 5643 with MeerKAT, revealing six l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.15983","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/2505.15983/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":"2505.15983","created_at":"2026-07-05T11:07:28.117284+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.15983v1","created_at":"2026-07-05T11:07:28.117284+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.15983","created_at":"2026-07-05T11:07:28.117284+00:00"},{"alias_kind":"pith_short_12","alias_value":"2QBKEVSUPXF3","created_at":"2026-07-05T11:07:28.117284+00:00"},{"alias_kind":"pith_short_16","alias_value":"2QBKEVSUPXF35EH6","created_at":"2026-07-05T11:07:28.117284+00:00"},{"alias_kind":"pith_short_8","alias_value":"2QBKEVSU","created_at":"2026-07-05T11:07:28.117284+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/2QBKEVSUPXF35EH6BVJKO74WJL","json":"https://pith.science/pith/2QBKEVSUPXF35EH6BVJKO74WJL.json","graph_json":"https://pith.science/api/pith-number/2QBKEVSUPXF35EH6BVJKO74WJL/graph.json","events_json":"https://pith.science/api/pith-number/2QBKEVSUPXF35EH6BVJKO74WJL/events.json","paper":"https://pith.science/paper/2QBKEVSU"},"agent_actions":{"view_html":"https://pith.science/pith/2QBKEVSUPXF35EH6BVJKO74WJL","download_json":"https://pith.science/pith/2QBKEVSUPXF35EH6BVJKO74WJL.json","view_paper":"https://pith.science/paper/2QBKEVSU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.15983&json=true","fetch_graph":"https://pith.science/api/pith-number/2QBKEVSUPXF35EH6BVJKO74WJL/graph.json","fetch_events":"https://pith.science/api/pith-number/2QBKEVSUPXF35EH6BVJKO74WJL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2QBKEVSUPXF35EH6BVJKO74WJL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2QBKEVSUPXF35EH6BVJKO74WJL/action/storage_attestation","attest_author":"https://pith.science/pith/2QBKEVSUPXF35EH6BVJKO74WJL/action/author_attestation","sign_citation":"https://pith.science/pith/2QBKEVSUPXF35EH6BVJKO74WJL/action/citation_signature","submit_replication":"https://pith.science/pith/2QBKEVSUPXF35EH6BVJKO74WJL/action/replication_record"}},"created_at":"2026-07-05T11:07:28.117284+00:00","updated_at":"2026-07-05T11:07:28.117284+00:00"}