{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DZW4ZAICC42HR2AIRRJ7574JYR","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":"b4db9f92aeddb9b452611965a44006d666f07bf83f867af7bb13ef78927e8f84","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-01T19:00:06Z","title_canon_sha256":"af7221ba344938bbb4466c6ba8d0fe6def85a406c24bcc3dd46cfab3ad2e2093"},"schema_version":"1.0","source":{"id":"1902.00518","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.00518","created_at":"2026-05-17T23:46:47Z"},{"alias_kind":"arxiv_version","alias_value":"1902.00518v2","created_at":"2026-05-17T23:46:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00518","created_at":"2026-05-17T23:46:47Z"},{"alias_kind":"pith_short_12","alias_value":"DZW4ZAICC42H","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DZW4ZAICC42HR2AI","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DZW4ZAIC","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:125575745014070fb7321b68fe2544ca1a51b5b88c4beab6b950e31db3ec1b78","target":"graph","created_at":"2026-05-17T23:46:47Z","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":"Observations find a median star formation efficiency per free-fall time in Milky Way Giant Molecular Clouds (GMCs) on the order of $\\epsilon_{\\rm ff}\\sim 1\\%$ with dispersions of $\\sim0.5\\,{\\rm dex}$. The origin of this scatter in $\\epsilon_{\\rm ff}$ is still debated and difficult to reproduce with analytical models. We track the formation, evolution and destruction of GMCs in a hydrodynamical simulation of a Milky Way-like galaxy and by deriving cloud properties in an observationally motivated way, measure the distribution of star formation efficiencies which are in excellent agreement with o","authors_text":"Adrianne Slyz, Alessandro B. Romeo, Florent Renaud, Julien Devriendt, Kearn Grisdale, Oscar Agertz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-01T19:00:06Z","title":"On the Observed Diversity of Star Formation Efficiencies in Giant Molecular Clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00518","kind":"arxiv","version":2},"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:af9d90ca79bd5a599e456dc4f044dd8679a59239c823d1acc763d2659e50547c","target":"record","created_at":"2026-05-17T23:46:47Z","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":"b4db9f92aeddb9b452611965a44006d666f07bf83f867af7bb13ef78927e8f84","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-01T19:00:06Z","title_canon_sha256":"af7221ba344938bbb4466c6ba8d0fe6def85a406c24bcc3dd46cfab3ad2e2093"},"schema_version":"1.0","source":{"id":"1902.00518","kind":"arxiv","version":2}},"canonical_sha256":"1e6dcc8102173478e8088c53feff89c463728f2defe2fefbf36d09f5b2bce03b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e6dcc8102173478e8088c53feff89c463728f2defe2fefbf36d09f5b2bce03b","first_computed_at":"2026-05-17T23:46:47.393995Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:47.393995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OOHo4gRfOBa+sBnyYQC27nqwVo0LuM3wrSwhsXPtpbmQftrgoj5Si808zk0UPXYQylAPrmdT735zLG3bri3PDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:47.394537Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.00518","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af9d90ca79bd5a599e456dc4f044dd8679a59239c823d1acc763d2659e50547c","sha256:125575745014070fb7321b68fe2544ca1a51b5b88c4beab6b950e31db3ec1b78"],"state_sha256":"8f59455d04885f25325deb5fc7f9dcd8801216b53b5e37df1d76ca884dd321c0"}