{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:6FQ4VFYH5FJEMLLZ4TPNPHYIO5","short_pith_number":"pith:6FQ4VFYH","schema_version":"1.0","canonical_sha256":"f161ca9707e952462d79e4ded79f087741716be03f5da9844c3f4fb41c3e5c1b","source":{"kind":"arxiv","id":"1011.1013","version":1},"attestation_state":"computed","paper":{"title":"Spectroscopic observations of a sample of dwarf spiral galaxies. II- Abundance gradients","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A.M. Hidalgo-Gamez, D. Ramirez-Fuentes, J.J. Gonzalez","submitted_at":"2010-11-03T21:32:56Z","abstract_excerpt":"The oxygen gradient of four dS galaxies has been determined using abundances for several HII regions determined with four different methods. The gradient slopes of the three non-barred galaxies in the sample are quite steep, larger than -0.2 dex/kpc, while the gradient of the barred galaxy is shallower, only -0.1 dex/kpc. Although these gradients are quite steep they are real, following all the galaxies the same trend. Moreover, the results obtained here agree with those marked by the late-type, non-dwarf spirals, particularly the relationship between the gradient and the absolute magnitude an"},"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":"1011.1013","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-03T21:32:56Z","cross_cats_sorted":[],"title_canon_sha256":"8b1f3cf98e6ff5ad53d50e6a6f0b2a4049be3d4c2166785478580b1f28a4f3da","abstract_canon_sha256":"b327279412c54096fb50da17b0e73e231023a3142b2dba56f72054c26ddfe253"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:37:09.778340Z","signature_b64":"ASIzI8CeTx/iuM+plLKcXPJzxkU5yLccP0e5sKUIJLAzGI8PLR+XXR8/3DFOD3/4Ve2s6h7yeQPdBenVFV2ECA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f161ca9707e952462d79e4ded79f087741716be03f5da9844c3f4fb41c3e5c1b","last_reissued_at":"2026-05-18T04:37:09.777897Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:37:09.777897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectroscopic observations of a sample of dwarf spiral galaxies. II- Abundance gradients","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A.M. Hidalgo-Gamez, D. Ramirez-Fuentes, J.J. Gonzalez","submitted_at":"2010-11-03T21:32:56Z","abstract_excerpt":"The oxygen gradient of four dS galaxies has been determined using abundances for several HII regions determined with four different methods. The gradient slopes of the three non-barred galaxies in the sample are quite steep, larger than -0.2 dex/kpc, while the gradient of the barred galaxy is shallower, only -0.1 dex/kpc. Although these gradients are quite steep they are real, following all the galaxies the same trend. Moreover, the results obtained here agree with those marked by the late-type, non-dwarf spirals, particularly the relationship between the gradient and the absolute magnitude an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.1013","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":"1011.1013","created_at":"2026-05-18T04:37:09.777960+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.1013v1","created_at":"2026-05-18T04:37:09.777960+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.1013","created_at":"2026-05-18T04:37:09.777960+00:00"},{"alias_kind":"pith_short_12","alias_value":"6FQ4VFYH5FJE","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_16","alias_value":"6FQ4VFYH5FJEMLLZ","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_8","alias_value":"6FQ4VFYH","created_at":"2026-05-18T12:26:04.259169+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/6FQ4VFYH5FJEMLLZ4TPNPHYIO5","json":"https://pith.science/pith/6FQ4VFYH5FJEMLLZ4TPNPHYIO5.json","graph_json":"https://pith.science/api/pith-number/6FQ4VFYH5FJEMLLZ4TPNPHYIO5/graph.json","events_json":"https://pith.science/api/pith-number/6FQ4VFYH5FJEMLLZ4TPNPHYIO5/events.json","paper":"https://pith.science/paper/6FQ4VFYH"},"agent_actions":{"view_html":"https://pith.science/pith/6FQ4VFYH5FJEMLLZ4TPNPHYIO5","download_json":"https://pith.science/pith/6FQ4VFYH5FJEMLLZ4TPNPHYIO5.json","view_paper":"https://pith.science/paper/6FQ4VFYH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.1013&json=true","fetch_graph":"https://pith.science/api/pith-number/6FQ4VFYH5FJEMLLZ4TPNPHYIO5/graph.json","fetch_events":"https://pith.science/api/pith-number/6FQ4VFYH5FJEMLLZ4TPNPHYIO5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6FQ4VFYH5FJEMLLZ4TPNPHYIO5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6FQ4VFYH5FJEMLLZ4TPNPHYIO5/action/storage_attestation","attest_author":"https://pith.science/pith/6FQ4VFYH5FJEMLLZ4TPNPHYIO5/action/author_attestation","sign_citation":"https://pith.science/pith/6FQ4VFYH5FJEMLLZ4TPNPHYIO5/action/citation_signature","submit_replication":"https://pith.science/pith/6FQ4VFYH5FJEMLLZ4TPNPHYIO5/action/replication_record"}},"created_at":"2026-05-18T04:37:09.777960+00:00","updated_at":"2026-05-18T04:37:09.777960+00:00"}