{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BTP4DG32SPESE45LZUXSL4ZQIU","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":"b50c0fd51e76e6881384419fb4d668da1d3737e1f80537cbd6d03b2a7f62d0ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-06T13:32:15Z","title_canon_sha256":"06283b5b62409acaa8cff520c2eb37ec2eb27a9003e4429de5b8aba58f4c29eb"},"schema_version":"1.0","source":{"id":"1302.1363","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.1363","created_at":"2026-05-18T01:51:49Z"},{"alias_kind":"arxiv_version","alias_value":"1302.1363v1","created_at":"2026-05-18T01:51:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.1363","created_at":"2026-05-18T01:51:49Z"},{"alias_kind":"pith_short_12","alias_value":"BTP4DG32SPES","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BTP4DG32SPESE45L","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BTP4DG32","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:43ae39384ea003c162153c24cc3bc4cff6b4804ed53f593b3658008b28f5660c","target":"graph","created_at":"2026-05-18T01:51:49Z","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":"An increasing amount of observational evidence supports the notion that there are two modes of star formation: a quiescent mode in disk-like galaxies, and a starburst mode, which is generally interpreted as driven by merging. Using a semi-analytic model of galaxy formation, we derive the relative contribution to the cosmic star formation rate density of quiescently starforming and starburst galaxies, predicted under the assumption that starburst events are triggered by galaxy encounters (merging and fly-by kind) during their merging histories. We show that, within this framework, quiescently s","authors_text":"Alessandra Lamastra, Fabrizio Fiore, Nicola Menci, Paola Santini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-06T13:32:15Z","title":"The interaction-driven starburst contribution to the cosmic star formation rate density"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.1363","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:abedcd3f389f0ad99918599e18d780d3c774cda48ee29fbd3d98054f93a1f163","target":"record","created_at":"2026-05-18T01:51:49Z","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":"b50c0fd51e76e6881384419fb4d668da1d3737e1f80537cbd6d03b2a7f62d0ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-06T13:32:15Z","title_canon_sha256":"06283b5b62409acaa8cff520c2eb37ec2eb27a9003e4429de5b8aba58f4c29eb"},"schema_version":"1.0","source":{"id":"1302.1363","kind":"arxiv","version":1}},"canonical_sha256":"0cdfc19b7a93c92273abcd2f25f330453de64fc3cf0ba16383a7829025704d3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0cdfc19b7a93c92273abcd2f25f330453de64fc3cf0ba16383a7829025704d3a","first_computed_at":"2026-05-18T01:51:49.860570Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:49.860570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u/AlBiZSSXJHgRX2oYX7Cralsogpm3fM0vuQu2ElaeKHfUal7ISm3DZlwmSCqQqabclXGcCZ/+KZGf2U0jjOBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:49.861019Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.1363","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:abedcd3f389f0ad99918599e18d780d3c774cda48ee29fbd3d98054f93a1f163","sha256:43ae39384ea003c162153c24cc3bc4cff6b4804ed53f593b3658008b28f5660c"],"state_sha256":"dd27d50d7f7d11d266aae123738663e6ee07c8bd0a394fd3ce2f5f34d7d9041f"}