{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7CCBPNHPASRDVE5KZZXRFNWRZY","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":"c817e26c043ed06556359458ddc5ea9e749d37d2dfa5448f27ed3d5c1ec9f102","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-07-09T18:25:29Z","title_canon_sha256":"e2bcdbf64676635049966ece105d1e7b545a2a6b6e5e7763ac5a6aa4a5b155f3"},"schema_version":"1.0","source":{"id":"1907.04356","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.04356","created_at":"2026-07-05T00:53:06Z"},{"alias_kind":"arxiv_version","alias_value":"1907.04356v3","created_at":"2026-07-05T00:53:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.04356","created_at":"2026-07-05T00:53:06Z"},{"alias_kind":"pith_short_12","alias_value":"7CCBPNHPASRD","created_at":"2026-07-05T00:53:06Z"},{"alias_kind":"pith_short_16","alias_value":"7CCBPNHPASRDVE5K","created_at":"2026-07-05T00:53:06Z"},{"alias_kind":"pith_short_8","alias_value":"7CCBPNHP","created_at":"2026-07-05T00:53:06Z"}],"graph_snapshots":[{"event_id":"sha256:bf143efb5f04ac11f3ca3c9710e0553e8cd336e6777b289df9a886ccf58ae135","target":"graph","created_at":"2026-07-05T00:53:06Z","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/1907.04356/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accretion disks around supermassive black holes are promising sites for stellar mass black hole mergers detectable with LIGO. Here we present the results of Monte-Carlo simulations of black hole mergers within 1-d AGN disk models. For the spin distribution in the disk bulk, key findings are: (1) The distribution of $\\chi_{\\rm eff}$ is naturally centered around $\\tilde{\\chi}_{\\rm eff} \\approx 0.0$, (2) the width of the $\\chi_{\\rm eff}$ distribution is narrow for low natal spins. For the mass distribution in the disk bulk, key findings are: (3) mass ratios $\\tilde{q} \\sim 0.5-0.7$, (4) the maxim","authors_text":"B. McKernan, D. Wysocki, K.E.S. Ford, R. O'Shaughnessy","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-07-09T18:25:29Z","title":"Monte-Carlo simulations of black hole mergers in AGN disks: Low $\\chi_{\\rm eff}$ mergers and predictions for LIGO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.04356","kind":"arxiv","version":3},"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":"sha256:8d645c3e6b8ce1d5546df9efca1e8ad8905c24bc4969e40be10c30cf032e223c","target":"record","created_at":"2026-07-05T00:53:06Z","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":"c817e26c043ed06556359458ddc5ea9e749d37d2dfa5448f27ed3d5c1ec9f102","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-07-09T18:25:29Z","title_canon_sha256":"e2bcdbf64676635049966ece105d1e7b545a2a6b6e5e7763ac5a6aa4a5b155f3"},"schema_version":"1.0","source":{"id":"1907.04356","kind":"arxiv","version":3}},"canonical_sha256":"f88417b4ef04a23a93aace6f12b6d1ce3f8e295114954e0ba62276e4326dc20b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f88417b4ef04a23a93aace6f12b6d1ce3f8e295114954e0ba62276e4326dc20b","first_computed_at":"2026-07-05T00:53:06.802156Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:53:06.802156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+KezaZ0K8SD5fcHph/DYGGR6vyBbHtHXoNvmbWrRxXF+DkRff9uYVH/+LCVBno87/1rDPgCA6TDgoJ6luekOAg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:53:06.802610Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.04356","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d645c3e6b8ce1d5546df9efca1e8ad8905c24bc4969e40be10c30cf032e223c","sha256:bf143efb5f04ac11f3ca3c9710e0553e8cd336e6777b289df9a886ccf58ae135"],"state_sha256":"4f41d7707e088d31a625b0e9025f4780fc0642b3b0b2495bdae553cb14f37871"}