{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:36R62PWBNHGDTFLRM4RWGP4YRF","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":"0f117212e680703926182792747034a4211c15fb687199a6fef4523ed8a85c22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-26T18:54:57Z","title_canon_sha256":"6034eebcce76a5e70de371c4aa311a498b6d8166e588ce449f11c56800d67567"},"schema_version":"1.0","source":{"id":"1903.11116","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.11116","created_at":"2026-05-17T23:50:04Z"},{"alias_kind":"arxiv_version","alias_value":"1903.11116v1","created_at":"2026-05-17T23:50:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11116","created_at":"2026-05-17T23:50:04Z"},{"alias_kind":"pith_short_12","alias_value":"36R62PWBNHGD","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"36R62PWBNHGDTFLR","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"36R62PWB","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:154ce13f926867af5cf65c49af69011a4fa094ba67ae569740d931d5f1f8bd7f","target":"graph","created_at":"2026-05-17T23:50:04Z","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":"The conventional view of stellar-mass binary black hole (sBBH) mergers is that there should not be enough matter present to produce a detectable electromagnetic transient. However, there ARE a number of mechanisms for producing such a counterpart through accretion of matter from various reserves, charged black holes, or interactions with magnetic or exotic fields. After reviewing these mechanisms, we describe what we can learn from multi-messenger observations of sBBH mergers in the areas of stellar evolution and compact binary formation, cosmological measurements, searches for charged black h","authors_text":"Bing Zhang, Chris Fryer, Federico Fraschetti, K. E. Saavik Ford, Peter Shawhan, P\\'eter Veres, Rosalba Perna, Steven L. Liebling","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-26T18:54:57Z","title":"Multi-Messenger Astrophysics Opportunities with Stellar-Mass Binary Black Hole Mergers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11116","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":"sha256:48d347da9a69e52eedfb459dba0ade837ee953ad577bbdc3d581fee4259ceb2d","target":"record","created_at":"2026-05-17T23:50:04Z","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":"0f117212e680703926182792747034a4211c15fb687199a6fef4523ed8a85c22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-26T18:54:57Z","title_canon_sha256":"6034eebcce76a5e70de371c4aa311a498b6d8166e588ce449f11c56800d67567"},"schema_version":"1.0","source":{"id":"1903.11116","kind":"arxiv","version":1}},"canonical_sha256":"dfa3ed3ec169cc3995716723633f98896b73e9afa52c671c2fe01cf0abdc3f72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfa3ed3ec169cc3995716723633f98896b73e9afa52c671c2fe01cf0abdc3f72","first_computed_at":"2026-05-17T23:50:04.126017Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:04.126017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kQP/hHyg+2wqJ18h6+qv0a6unuGQU3IOe4vYgsCIDPNko9VSOxyTOTMRbiMrdRv+HDbnjRtey6LKOZQdfb3KDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:04.126604Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.11116","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48d347da9a69e52eedfb459dba0ade837ee953ad577bbdc3d581fee4259ceb2d","sha256:154ce13f926867af5cf65c49af69011a4fa094ba67ae569740d931d5f1f8bd7f"],"state_sha256":"612c93cf4f96c2e8ee2f9971c0b6cc1f01c2f702e0d212abdc45a241c63c94a4"}