{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:OQLXI3ZYOWAVPHVMCA7QDXC7GT","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":"d1ee038be1aa34129fe275bb7f98e69a092f2dc4392033d2818e680a0d59bdf6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-20T15:04:17Z","title_canon_sha256":"ba22b370dd0669a2155edeea0c42e43c1a39c4528d44622176dca2283b76a70b"},"schema_version":"1.0","source":{"id":"2409.13564","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.13564","created_at":"2026-07-05T09:09:37Z"},{"alias_kind":"arxiv_version","alias_value":"2409.13564v1","created_at":"2026-07-05T09:09:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.13564","created_at":"2026-07-05T09:09:37Z"},{"alias_kind":"pith_short_12","alias_value":"OQLXI3ZYOWAV","created_at":"2026-07-05T09:09:37Z"},{"alias_kind":"pith_short_16","alias_value":"OQLXI3ZYOWAVPHVM","created_at":"2026-07-05T09:09:37Z"},{"alias_kind":"pith_short_8","alias_value":"OQLXI3ZY","created_at":"2026-07-05T09:09:37Z"}],"graph_snapshots":[{"event_id":"sha256:761ac6ff70cc76a0e962176db4f7cdb1fd34796176542824d584b4211660683e","target":"graph","created_at":"2026-07-05T09:09:37Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2409.13564/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We simulate mergers between star clusters embedded within their natal giant molecular cloud. We extract initial conditions from cloud-scale simulations of cluster formation and introduce different prescriptions for primordial binaries. We find that simulations that do not include primordial binaries result in a larger fraction of unbound stars than simulations which include a prescription for binaries based on observations. We also find a preferred direction of motion for stars that become unbound during the merger. Sub-cluster mergers within realistic gas environments promote binary disruptio","authors_text":"Alison Sills, Claude Cournoyer-Cloutier, Jeremy Karam, Maite Wilhelm, Simon Portegies Zwart","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-20T15:04:17Z","title":"Binary Disruption and Ejected Stars from Hierarchical Star Cluster Assembly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.13564","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:deeeb0b927447d427252626502fd6b1f6f524b6206234766289919d1ff25f17d","target":"record","created_at":"2026-07-05T09:09:37Z","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":"d1ee038be1aa34129fe275bb7f98e69a092f2dc4392033d2818e680a0d59bdf6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-20T15:04:17Z","title_canon_sha256":"ba22b370dd0669a2155edeea0c42e43c1a39c4528d44622176dca2283b76a70b"},"schema_version":"1.0","source":{"id":"2409.13564","kind":"arxiv","version":1}},"canonical_sha256":"7417746f387581579eac103f01dc5f34ebf87ed6cc984cd04fcc5199ccf4434e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7417746f387581579eac103f01dc5f34ebf87ed6cc984cd04fcc5199ccf4434e","first_computed_at":"2026-07-05T09:09:37.776634Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:09:37.776634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ocgPS9RA0kxEUeySJ5AOZuHL4APUhNIH9jwkpAjDVD3j7avAR2fBMX8ov+6JMDDiSaNkDw+txYp4vkltzlMZBg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:09:37.777172Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.13564","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:deeeb0b927447d427252626502fd6b1f6f524b6206234766289919d1ff25f17d","sha256:761ac6ff70cc76a0e962176db4f7cdb1fd34796176542824d584b4211660683e"],"state_sha256":"469e112afc2a86f4efbe0589ac5953050f611063c5bfa332308165e5239563f8"}