{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:LROHQJ3I4BALXC2TAMK3YSF7EG","short_pith_number":"pith:LROHQJ3I","schema_version":"1.0","canonical_sha256":"5c5c782768e040bb8b530315bc48bf21a07dd0872600701f926d1a40f18be72c","source":{"kind":"arxiv","id":"1605.00647","version":4},"attestation_state":"computed","paper":{"title":"Building disc structure and galaxy properties through angular momentum: The DARK SAGE semi-analytic model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam R. H. Stevens, Darren J. Croton, Simon J. Mutch","submitted_at":"2016-05-02T20:00:02Z","abstract_excerpt":"We present the new semi-analytic model of galaxy evolution, DARK SAGE, a heavily modified version of the publicly available SAGE code. The model is designed for detailed evolution of galactic discs. We evolve discs in a series of annuli with fixed specific angular momentum, which allows us to make predictions for the radial and angular-momentum structure of galaxies. Most physical processes, including all channels of star formation and associated feedback, are performed in these annuli. We present the surface density profiles of our model spiral galaxies, both as a function of radius and speci"},"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":"1605.00647","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-02T20:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"1258860064876c800f4f7cdb0399092b2e74d173481ea3a114448586cc7ccdf5","abstract_canon_sha256":"25e2066c8aa8c6be23076c2c03efc00cec5ccd6ccb31c4e3a907b08c32a16e0d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:57.529695Z","signature_b64":"PZ0kSxKsilQLGIrxTafCj8zPOAhichYapVO2WkxAdq6kkU3TJA/1EATGieURHsUB/5CiKRz7+SPF7ynNChvfDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c5c782768e040bb8b530315bc48bf21a07dd0872600701f926d1a40f18be72c","last_reissued_at":"2026-05-18T01:11:57.529336Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:57.529336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Building disc structure and galaxy properties through angular momentum: The DARK SAGE semi-analytic model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam R. H. Stevens, Darren J. Croton, Simon J. Mutch","submitted_at":"2016-05-02T20:00:02Z","abstract_excerpt":"We present the new semi-analytic model of galaxy evolution, DARK SAGE, a heavily modified version of the publicly available SAGE code. The model is designed for detailed evolution of galactic discs. We evolve discs in a series of annuli with fixed specific angular momentum, which allows us to make predictions for the radial and angular-momentum structure of galaxies. Most physical processes, including all channels of star formation and associated feedback, are performed in these annuli. We present the surface density profiles of our model spiral galaxies, both as a function of radius and speci"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.00647","kind":"arxiv","version":4},"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":"1605.00647","created_at":"2026-05-18T01:11:57.529391+00:00"},{"alias_kind":"arxiv_version","alias_value":"1605.00647v4","created_at":"2026-05-18T01:11:57.529391+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.00647","created_at":"2026-05-18T01:11:57.529391+00:00"},{"alias_kind":"pith_short_12","alias_value":"LROHQJ3I4BAL","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_16","alias_value":"LROHQJ3I4BALXC2T","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_8","alias_value":"LROHQJ3I","created_at":"2026-05-18T12:30:29.479603+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/LROHQJ3I4BALXC2TAMK3YSF7EG","json":"https://pith.science/pith/LROHQJ3I4BALXC2TAMK3YSF7EG.json","graph_json":"https://pith.science/api/pith-number/LROHQJ3I4BALXC2TAMK3YSF7EG/graph.json","events_json":"https://pith.science/api/pith-number/LROHQJ3I4BALXC2TAMK3YSF7EG/events.json","paper":"https://pith.science/paper/LROHQJ3I"},"agent_actions":{"view_html":"https://pith.science/pith/LROHQJ3I4BALXC2TAMK3YSF7EG","download_json":"https://pith.science/pith/LROHQJ3I4BALXC2TAMK3YSF7EG.json","view_paper":"https://pith.science/paper/LROHQJ3I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1605.00647&json=true","fetch_graph":"https://pith.science/api/pith-number/LROHQJ3I4BALXC2TAMK3YSF7EG/graph.json","fetch_events":"https://pith.science/api/pith-number/LROHQJ3I4BALXC2TAMK3YSF7EG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LROHQJ3I4BALXC2TAMK3YSF7EG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LROHQJ3I4BALXC2TAMK3YSF7EG/action/storage_attestation","attest_author":"https://pith.science/pith/LROHQJ3I4BALXC2TAMK3YSF7EG/action/author_attestation","sign_citation":"https://pith.science/pith/LROHQJ3I4BALXC2TAMK3YSF7EG/action/citation_signature","submit_replication":"https://pith.science/pith/LROHQJ3I4BALXC2TAMK3YSF7EG/action/replication_record"}},"created_at":"2026-05-18T01:11:57.529391+00:00","updated_at":"2026-05-18T01:11:57.529391+00:00"}