{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:IXWMORWC22LAOB7ELJLK6DEVNP","short_pith_number":"pith:IXWMORWC","schema_version":"1.0","canonical_sha256":"45ecc746c2d6960707e45a56af0c956bc0adeaaafdf03d2e54dabfb1d82ba7c0","source":{"kind":"arxiv","id":"1712.06636","version":1},"attestation_state":"computed","paper":{"title":"Deep neutral hydrogen observations of Leo T with the Westerbork Synthesis Radio Telescope","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Elizabeth A. K. Adams, Tom A. Oosterloo","submitted_at":"2017-12-18T19:30:31Z","abstract_excerpt":"Leo T is the lowest mass gas-rich galaxy currently known and studies of its gas content help us understand how such marginal galaxies survive and form stars. We present deep neutral hydrogen (HI) observations from the Westerbork Synthesis Radio Telescope in order to understand its HI distribution and potential for star formation. We find a larger HI line flux than the previously accepted value, resulting in a 50% larger HI mass of 4.1 x 10^5 Msun. The additional HI flux is from low surface brightness emission that was previously missed; with careful masking this emission can be recovered even "},"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":"1712.06636","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-18T19:30:31Z","cross_cats_sorted":[],"title_canon_sha256":"5c68ab88bd0eaaf7025700a10db8552a3983f93106de94311fc2afb23ec3f477","abstract_canon_sha256":"c513b665bdf737fa6233059908c9636b9932ed55cabebf4d617976bae83328aa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:14.445573Z","signature_b64":"Z+FX71dNZk0D9Dh6mG4xRXZl2RogzYQH0cFgFIJbYsAy8+Hu6rRan77xrz5XJI6mrvCbt8mpbOF9VnU/TJyqDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45ecc746c2d6960707e45a56af0c956bc0adeaaafdf03d2e54dabfb1d82ba7c0","last_reissued_at":"2026-05-18T00:18:14.445123Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:14.445123Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deep neutral hydrogen observations of Leo T with the Westerbork Synthesis Radio Telescope","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Elizabeth A. K. Adams, Tom A. Oosterloo","submitted_at":"2017-12-18T19:30:31Z","abstract_excerpt":"Leo T is the lowest mass gas-rich galaxy currently known and studies of its gas content help us understand how such marginal galaxies survive and form stars. We present deep neutral hydrogen (HI) observations from the Westerbork Synthesis Radio Telescope in order to understand its HI distribution and potential for star formation. We find a larger HI line flux than the previously accepted value, resulting in a 50% larger HI mass of 4.1 x 10^5 Msun. The additional HI flux is from low surface brightness emission that was previously missed; with careful masking this emission can be recovered even "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.06636","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":"1712.06636","created_at":"2026-05-18T00:18:14.445190+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.06636v1","created_at":"2026-05-18T00:18:14.445190+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.06636","created_at":"2026-05-18T00:18:14.445190+00:00"},{"alias_kind":"pith_short_12","alias_value":"IXWMORWC22LA","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_16","alias_value":"IXWMORWC22LAOB7E","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_8","alias_value":"IXWMORWC","created_at":"2026-05-18T12:31:21.493067+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.17253","citing_title":"HI Observations of Baryon-Dominated Dwarf Galaxy Candidates","ref_index":5,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IXWMORWC22LAOB7ELJLK6DEVNP","json":"https://pith.science/pith/IXWMORWC22LAOB7ELJLK6DEVNP.json","graph_json":"https://pith.science/api/pith-number/IXWMORWC22LAOB7ELJLK6DEVNP/graph.json","events_json":"https://pith.science/api/pith-number/IXWMORWC22LAOB7ELJLK6DEVNP/events.json","paper":"https://pith.science/paper/IXWMORWC"},"agent_actions":{"view_html":"https://pith.science/pith/IXWMORWC22LAOB7ELJLK6DEVNP","download_json":"https://pith.science/pith/IXWMORWC22LAOB7ELJLK6DEVNP.json","view_paper":"https://pith.science/paper/IXWMORWC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.06636&json=true","fetch_graph":"https://pith.science/api/pith-number/IXWMORWC22LAOB7ELJLK6DEVNP/graph.json","fetch_events":"https://pith.science/api/pith-number/IXWMORWC22LAOB7ELJLK6DEVNP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IXWMORWC22LAOB7ELJLK6DEVNP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IXWMORWC22LAOB7ELJLK6DEVNP/action/storage_attestation","attest_author":"https://pith.science/pith/IXWMORWC22LAOB7ELJLK6DEVNP/action/author_attestation","sign_citation":"https://pith.science/pith/IXWMORWC22LAOB7ELJLK6DEVNP/action/citation_signature","submit_replication":"https://pith.science/pith/IXWMORWC22LAOB7ELJLK6DEVNP/action/replication_record"}},"created_at":"2026-05-18T00:18:14.445190+00:00","updated_at":"2026-05-18T00:18:14.445190+00:00"}