{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:LRN2AJJMDN2LRRB7OQZ7GUJH6X","short_pith_number":"pith:LRN2AJJM","schema_version":"1.0","canonical_sha256":"5c5ba0252c1b74b8c43f7433f35127f5f7a7aa0c81d57f0e144b8609b7b41fc7","source":{"kind":"arxiv","id":"1511.00744","version":1},"attestation_state":"computed","paper":{"title":"Spiral-like star-forming patterns in CALIFA early-type galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Del Olmo, \\'A. R. L\\'opez-S\\'anchez, B. Ziegler, C. Catal\\'an-Torrecilla, C. J. Walcher, C. Kehrig, D. J. Bomans, F. F. Rosales-Ortega, I. Breda, I. M\\'arquez, J. Bland-Hawthorn, J. Iglesias-P\\'aramo, J. M. Gomes, J. M. V\\'ilchez, L. Galbany, M. D. Lehnert, M. Moll\\'a, P. Papaderos, R. A. Marino, R. Garc\\'ia-Benito, R. M. Gonz\\'alez Delgado, S. F. S\\'anchez, S. N. dos Reis, the CALIFA collaboration","submitted_at":"2015-11-02T23:43:49Z","abstract_excerpt":"Based on a combined analysis of SDSS imaging and CALIFA integral field spectroscopy data, we report on the detection of faint (24 < {\\mu}$_r$ mag/arcsec$^2$ < 26) star-forming spiral-arm-like features in the periphery of three nearby early-type galaxies (ETGs). These features are of considerable interest because they document the still ongoing inside-out growth of some local ETGs and may add valuable observational insight into the origin and evolution of spiral structure in triaxial stellar systems. A characteristic property of the nebular component in the studied ETGs, classified i+, is a two"},"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":"1511.00744","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-02T23:43:49Z","cross_cats_sorted":[],"title_canon_sha256":"ebf3be18c5baecb9760ba00426fd330618281f359fc36ca435da6b6591e1ca78","abstract_canon_sha256":"36c37d354381f5ce2b7e5791427b4a08e6f698ad5b2725cc213493e92ef103c9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:28:06.508202Z","signature_b64":"qNvyu/MQD5CNptQM4zldsMEcSePdnE083mvc24Ix4opo6ZYXWPcxgMYDqfHqAy9ioRw3mlPL4SNAzRd9USKoAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c5ba0252c1b74b8c43f7433f35127f5f7a7aa0c81d57f0e144b8609b7b41fc7","last_reissued_at":"2026-05-18T01:28:06.507656Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:28:06.507656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spiral-like star-forming patterns in CALIFA early-type galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Del Olmo, \\'A. R. L\\'opez-S\\'anchez, B. Ziegler, C. Catal\\'an-Torrecilla, C. J. Walcher, C. Kehrig, D. J. Bomans, F. F. Rosales-Ortega, I. Breda, I. M\\'arquez, J. Bland-Hawthorn, J. Iglesias-P\\'aramo, J. M. Gomes, J. M. V\\'ilchez, L. Galbany, M. D. Lehnert, M. Moll\\'a, P. Papaderos, R. A. Marino, R. Garc\\'ia-Benito, R. M. Gonz\\'alez Delgado, S. F. S\\'anchez, S. N. dos Reis, the CALIFA collaboration","submitted_at":"2015-11-02T23:43:49Z","abstract_excerpt":"Based on a combined analysis of SDSS imaging and CALIFA integral field spectroscopy data, we report on the detection of faint (24 < {\\mu}$_r$ mag/arcsec$^2$ < 26) star-forming spiral-arm-like features in the periphery of three nearby early-type galaxies (ETGs). These features are of considerable interest because they document the still ongoing inside-out growth of some local ETGs and may add valuable observational insight into the origin and evolution of spiral structure in triaxial stellar systems. A characteristic property of the nebular component in the studied ETGs, classified i+, is a two"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.00744","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":"1511.00744","created_at":"2026-05-18T01:28:06.507730+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.00744v1","created_at":"2026-05-18T01:28:06.507730+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.00744","created_at":"2026-05-18T01:28:06.507730+00:00"},{"alias_kind":"pith_short_12","alias_value":"LRN2AJJMDN2L","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_16","alias_value":"LRN2AJJMDN2LRRB7","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_8","alias_value":"LRN2AJJM","created_at":"2026-05-18T12:29:29.992203+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.12596","citing_title":"Strong Progenitor Age Bias in Supernova Cosmology. III. Progenitor Age as the Physical Origin of the Type Ia Supernova Magnitude Steps with Host Properties","ref_index":31,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LRN2AJJMDN2LRRB7OQZ7GUJH6X","json":"https://pith.science/pith/LRN2AJJMDN2LRRB7OQZ7GUJH6X.json","graph_json":"https://pith.science/api/pith-number/LRN2AJJMDN2LRRB7OQZ7GUJH6X/graph.json","events_json":"https://pith.science/api/pith-number/LRN2AJJMDN2LRRB7OQZ7GUJH6X/events.json","paper":"https://pith.science/paper/LRN2AJJM"},"agent_actions":{"view_html":"https://pith.science/pith/LRN2AJJMDN2LRRB7OQZ7GUJH6X","download_json":"https://pith.science/pith/LRN2AJJMDN2LRRB7OQZ7GUJH6X.json","view_paper":"https://pith.science/paper/LRN2AJJM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.00744&json=true","fetch_graph":"https://pith.science/api/pith-number/LRN2AJJMDN2LRRB7OQZ7GUJH6X/graph.json","fetch_events":"https://pith.science/api/pith-number/LRN2AJJMDN2LRRB7OQZ7GUJH6X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LRN2AJJMDN2LRRB7OQZ7GUJH6X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LRN2AJJMDN2LRRB7OQZ7GUJH6X/action/storage_attestation","attest_author":"https://pith.science/pith/LRN2AJJMDN2LRRB7OQZ7GUJH6X/action/author_attestation","sign_citation":"https://pith.science/pith/LRN2AJJMDN2LRRB7OQZ7GUJH6X/action/citation_signature","submit_replication":"https://pith.science/pith/LRN2AJJMDN2LRRB7OQZ7GUJH6X/action/replication_record"}},"created_at":"2026-05-18T01:28:06.507730+00:00","updated_at":"2026-05-18T01:28:06.507730+00:00"}