{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:PLWJG77UG2NTBMVOGKUVS27VEP","short_pith_number":"pith:PLWJG77U","schema_version":"1.0","canonical_sha256":"7aec937ff4369b30b2ae32a9596bf523fb5511379fda6223870f03b1c556c105","source":{"kind":"arxiv","id":"0803.0109","version":1},"attestation_state":"computed","paper":{"title":"Cold gas accretion in galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"F. Fraternali, J. M. van der Hulst, R. Sancisi, T. Oosterloo","submitted_at":"2008-03-02T09:05:14Z","abstract_excerpt":"Evidence for the accretion of cold gas in galaxies has been rapidly accumulating in the past years. HI observations of galaxies and their environment have brought to light new facts and phenomena which are evidence of ongoing or recent accretion:\n  1) A large number of galaxies are accompanied by gas-rich dwarfs or are surrounded by HI cloud complexes, tails and filaments. It may be regarded as direct evidence of cold gas accretion in the local universe. It is probably the same kind of phenomenon of material infall as the stellar streams observed in the halos of our galaxy and M31. 2) Consider"},"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":"0803.0109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-02T09:05:14Z","cross_cats_sorted":[],"title_canon_sha256":"2794d9801c5e04a260e1859a9e9121911db7631425bb97a754741cd452d95aa2","abstract_canon_sha256":"81e68218d4436e6aa1319835dd7112436eb48e5b5e945633f562278d33c3b319"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:44:43.303630Z","signature_b64":"T6E81Y70QjtpyMhUG+DxibzcDUFL+1RrGm0GNc0jKnN++Kn+cjcoz/0+15Ba2roVnjcOevB5Tx1mcVnBGAo5Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7aec937ff4369b30b2ae32a9596bf523fb5511379fda6223870f03b1c556c105","last_reissued_at":"2026-07-04T15:44:43.303277Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:44:43.303277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cold gas accretion in galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"F. Fraternali, J. M. van der Hulst, R. Sancisi, T. Oosterloo","submitted_at":"2008-03-02T09:05:14Z","abstract_excerpt":"Evidence for the accretion of cold gas in galaxies has been rapidly accumulating in the past years. HI observations of galaxies and their environment have brought to light new facts and phenomena which are evidence of ongoing or recent accretion:\n  1) A large number of galaxies are accompanied by gas-rich dwarfs or are surrounded by HI cloud complexes, tails and filaments. It may be regarded as direct evidence of cold gas accretion in the local universe. It is probably the same kind of phenomenon of material infall as the stellar streams observed in the halos of our galaxy and M31. 2) Consider"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0109","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/0803.0109/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":"0803.0109","created_at":"2026-07-04T15:44:43.303340+00:00"},{"alias_kind":"arxiv_version","alias_value":"0803.0109v1","created_at":"2026-07-04T15:44:43.303340+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0109","created_at":"2026-07-04T15:44:43.303340+00:00"},{"alias_kind":"pith_short_12","alias_value":"PLWJG77UG2NT","created_at":"2026-07-04T15:44:43.303340+00:00"},{"alias_kind":"pith_short_16","alias_value":"PLWJG77UG2NTBMVO","created_at":"2026-07-04T15:44:43.303340+00:00"},{"alias_kind":"pith_short_8","alias_value":"PLWJG77U","created_at":"2026-07-04T15:44:43.303340+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":8,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.27853","citing_title":"MSA-3D: Rotation Curves and Dark Matter Fractions at z~0.5-1.7 with JWST/NIRSpec","ref_index":257,"is_internal_anchor":true},{"citing_arxiv_id":"2606.17189","citing_title":"Exploring the Relationship Between Bars, Star Formation Activity, and Host Galaxy Properties from $\\mathbf{z \\sim 0}$ to $\\mathbf{z \\sim 2}$","ref_index":115,"is_internal_anchor":false},{"citing_arxiv_id":"2603.22693","citing_title":"HI Gas and Star Formation in Major Galaxy Pairs from the FAST All-Sky HI Survey (FASHI)","ref_index":59,"is_internal_anchor":false},{"citing_arxiv_id":"2605.06766","citing_title":"A PINK update: Improvements to the CELEBI fast radio burst data reduction and analysis pipeline","ref_index":13,"is_internal_anchor":false},{"citing_arxiv_id":"2604.26195","citing_title":"Resolved Maps of Gas and Dust in a Massive Quiescent Galaxy at z=2 from INQUEST-JWST: Evidence of Accretion and Rejuvenation","ref_index":96,"is_internal_anchor":false},{"citing_arxiv_id":"2605.03924","citing_title":"The slope of the power spectrum of the density field in isothermal supersonic compressible turbulence","ref_index":156,"is_internal_anchor":false},{"citing_arxiv_id":"2605.03924","citing_title":"The slope of the power spectrum of the density field in isothermal supersonic compressible turbulence","ref_index":156,"is_internal_anchor":false},{"citing_arxiv_id":"2605.02999","citing_title":"Peering down the barrel with DESI DR2: 10 000+ inflows at $z$ < 0.6 reveal how galaxies accrete cold gas","ref_index":101,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PLWJG77UG2NTBMVOGKUVS27VEP","json":"https://pith.science/pith/PLWJG77UG2NTBMVOGKUVS27VEP.json","graph_json":"https://pith.science/api/pith-number/PLWJG77UG2NTBMVOGKUVS27VEP/graph.json","events_json":"https://pith.science/api/pith-number/PLWJG77UG2NTBMVOGKUVS27VEP/events.json","paper":"https://pith.science/paper/PLWJG77U"},"agent_actions":{"view_html":"https://pith.science/pith/PLWJG77UG2NTBMVOGKUVS27VEP","download_json":"https://pith.science/pith/PLWJG77UG2NTBMVOGKUVS27VEP.json","view_paper":"https://pith.science/paper/PLWJG77U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0803.0109&json=true","fetch_graph":"https://pith.science/api/pith-number/PLWJG77UG2NTBMVOGKUVS27VEP/graph.json","fetch_events":"https://pith.science/api/pith-number/PLWJG77UG2NTBMVOGKUVS27VEP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PLWJG77UG2NTBMVOGKUVS27VEP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PLWJG77UG2NTBMVOGKUVS27VEP/action/storage_attestation","attest_author":"https://pith.science/pith/PLWJG77UG2NTBMVOGKUVS27VEP/action/author_attestation","sign_citation":"https://pith.science/pith/PLWJG77UG2NTBMVOGKUVS27VEP/action/citation_signature","submit_replication":"https://pith.science/pith/PLWJG77UG2NTBMVOGKUVS27VEP/action/replication_record"}},"created_at":"2026-07-04T15:44:43.303340+00:00","updated_at":"2026-07-04T15:44:43.303340+00:00"}