{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:3SGHYG3TSIF4XQIUTBEMTD4KZJ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7b514fe9fe7ca05fea531d5d30a730d2dde2af8db252f76bd27b85a2dc0f22f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T13:14:39Z","title_canon_sha256":"ab2b069453ba4031a21549c31459d5993a68e2acddb666f83e96164a2c2ce239"},"schema_version":"1.0","source":{"id":"1905.02023","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02023","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02023v1","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02023","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"pith_short_12","alias_value":"3SGHYG3TSIF4","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"3SGHYG3TSIF4XQIU","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"3SGHYG3T","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:ea3b550e9b8369e2df28c5ed911c9e234469bfa71d2f48db05afa0fef7ac106e","target":"graph","created_at":"2026-05-17T23:41:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The scatter (${\\rm\\sigma_{\\text{sSFR}}}$) of the specific star formation rates (sSFRs) of galaxies is a measure of the diversity in their star formation histories (SFHs) at a given mass. In this paper we employ the EAGLE simulations to study the dependence of the ${\\rm \\sigma_{\\text{sSFR}}}$ of galaxies on stellar mass (${\\rm M_{\\star}}$) through the ${\\rm \\sigma_{\\text{sSFR}}}$-${\\rm M_{\\star}}$ relation in $ {\\rm z \\sim 0-4}$. We find that the relation evolves with time, with the dispersion depending on both stellar mass and redshift. The models point to an evolving U-shape form for the ${\\r","authors_text":"Ana Tr\\v{c}ka, Antonios Katsianis, Claudia del P. Lagos, Guillermo Blanc, James W. Trayford, Joop Schaye, Luke J. M. Davies, Maarten Baes, Marko Stalevski, Peter Camps, Tom Theuns, Valentino Gonzalez, Xianzhong Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T13:14:39Z","title":"An evolving and mass dependent ${\\rm \\sigma_{\\text{sSFR}}}$-${\\rm M_{\\star}}$ relation for galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02023","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:9f7022e0cbd85471b93729ce5bf9676b88a2e4ef8dfaf61ce64b5be9b53ae87a","target":"record","created_at":"2026-05-17T23:41:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7b514fe9fe7ca05fea531d5d30a730d2dde2af8db252f76bd27b85a2dc0f22f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T13:14:39Z","title_canon_sha256":"ab2b069453ba4031a21549c31459d5993a68e2acddb666f83e96164a2c2ce239"},"schema_version":"1.0","source":{"id":"1905.02023","kind":"arxiv","version":1}},"canonical_sha256":"dc8c7c1b73920bcbc1149848c98f8aca706c5feb5a1f48cec610705b5bc29acd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc8c7c1b73920bcbc1149848c98f8aca706c5feb5a1f48cec610705b5bc29acd","first_computed_at":"2026-05-17T23:41:08.809471Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:08.809471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vqWfWJacNP6RGyZsYdRLluog90DK7S1FozPVj/lIm+VvVdWgRYX+VvuGmFyrS5jCiMfx4y2U/z2nKcC7HDcaCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:08.810290Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.02023","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9f7022e0cbd85471b93729ce5bf9676b88a2e4ef8dfaf61ce64b5be9b53ae87a","sha256:ea3b550e9b8369e2df28c5ed911c9e234469bfa71d2f48db05afa0fef7ac106e"],"state_sha256":"5e1bdf2096fd07253a1c9316cdac28b4bfe02d4b1ae4a906d2651d125948acad"}