{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RVDND4TWSKKX33S3SPBUD3STEE","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":"acf476f84b4e41c5972cfc6023dca80adcea3100ccb8f7f25027c61df2309e80","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-30T10:08:21Z","title_canon_sha256":"14359b81a95a07a4273c15b9d6006b9213cc333931af43377b65d19ce7b75f7d"},"schema_version":"1.0","source":{"id":"2607.27962","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27962","created_at":"2026-07-31T01:35:05Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27962v1","created_at":"2026-07-31T01:35:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27962","created_at":"2026-07-31T01:35:05Z"},{"alias_kind":"pith_short_12","alias_value":"RVDND4TWSKKX","created_at":"2026-07-31T01:35:05Z"},{"alias_kind":"pith_short_16","alias_value":"RVDND4TWSKKX33S3","created_at":"2026-07-31T01:35:05Z"},{"alias_kind":"pith_short_8","alias_value":"RVDND4TW","created_at":"2026-07-31T01:35:05Z"}],"graph_snapshots":[{"event_id":"sha256:c4ad1a2a309eb1b218da8121cfc440d8c4c9d8935f2c939a9ee1ec903d2a3b01","target":"graph","created_at":"2026-07-31T01:35:05Z","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/2607.27962/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Gravitational-wave observations reveal a population of binary black hole (BBH) mergers with primary masses above ${\\sim}40\\,\\mathrm{M}_\\odot$, extending into and potentially beyond the pair-instability mass gap, with a possibly flat mass-ratio and broader \\chi_\\mathrm{eff} distribution. We investigate whether super-Eddington accretion during stable mass transfer in isolated binary evolution can produce BBH mergers consistent with these properties across primary BH mass, mass-ratio, and \\chi_\\mathrm{eff} distributions. Using POSYDON, we simulate BBH merger populations with primary BH masses abo","authors_text":"Abhishek Chattaraj, Anarya Ray, Elizabeth Teng, Jeff J. Andrews, Max M. Briel, Michael Zevin, Monica Gallegos-Garcia, Olcay B{\\i}y{\\i}kl{\\i}, Philipp M. Srivastava, Seth Gossage, Tassos Fragos, Vicky Kalogera, Zepei Xing","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-30T10:08:21Z","title":"High-mass binary black hole mergers from detailed binary evolution models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27962","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":"sha256:17ae380e87244603ff2912eb94c5f6fbcae43be7678a8eec1a90932112cc88de","target":"record","created_at":"2026-07-31T01:35:05Z","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":"acf476f84b4e41c5972cfc6023dca80adcea3100ccb8f7f25027c61df2309e80","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-30T10:08:21Z","title_canon_sha256":"14359b81a95a07a4273c15b9d6006b9213cc333931af43377b65d19ce7b75f7d"},"schema_version":"1.0","source":{"id":"2607.27962","kind":"arxiv","version":1}},"canonical_sha256":"8d46d1f27692957dee5b93c341ee532115573e6c4d9798e078959c3b0ff29546","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d46d1f27692957dee5b93c341ee532115573e6c4d9798e078959c3b0ff29546","first_computed_at":"2026-07-31T01:35:05.559106Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T01:35:05.559106Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.27962","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17ae380e87244603ff2912eb94c5f6fbcae43be7678a8eec1a90932112cc88de","sha256:c4ad1a2a309eb1b218da8121cfc440d8c4c9d8935f2c939a9ee1ec903d2a3b01"],"state_sha256":"a9b5de00abb1ffea7ad63bb00020319ce1ae40bbc14b62968c3d92468fcfddfe"}