{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:36R62PWBNHGDTFLRM4RWGP4YRF","short_pith_number":"pith:36R62PWB","canonical_record":{"source":{"id":"1903.11116","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-26T18:54:57Z","cross_cats_sorted":[],"title_canon_sha256":"6034eebcce76a5e70de371c4aa311a498b6d8166e588ce449f11c56800d67567","abstract_canon_sha256":"0f117212e680703926182792747034a4211c15fb687199a6fef4523ed8a85c22"},"schema_version":"1.0"},"canonical_sha256":"dfa3ed3ec169cc3995716723633f98896b73e9afa52c671c2fe01cf0abdc3f72","source":{"kind":"arxiv","id":"1903.11116","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"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:36R62PWBNHGDTFLRM4RWGP4YRF","target":"record","payload":{"canonical_record":{"source":{"id":"1903.11116","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-26T18:54:57Z","cross_cats_sorted":[],"title_canon_sha256":"6034eebcce76a5e70de371c4aa311a498b6d8166e588ce449f11c56800d67567","abstract_canon_sha256":"0f117212e680703926182792747034a4211c15fb687199a6fef4523ed8a85c22"},"schema_version":"1.0"},"canonical_sha256":"dfa3ed3ec169cc3995716723633f98896b73e9afa52c671c2fe01cf0abdc3f72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:04.126604Z","signature_b64":"kQP/hHyg+2wqJ18h6+qv0a6unuGQU3IOe4vYgsCIDPNko9VSOxyTOTMRbiMrdRv+HDbnjRtey6LKOZQdfb3KDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dfa3ed3ec169cc3995716723633f98896b73e9afa52c671c2fe01cf0abdc3f72","last_reissued_at":"2026-05-17T23:50:04.126017Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:04.126017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.11116","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vAI/xQdx8BuFXdko0E+yEF+DFixkMWXfe8b/1Fg1CnLgzB026z+Tq/tVkF8odz4824UA4hLNfeQkpIMMZxiOCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:32:22.981595Z"},"content_sha256":"48d347da9a69e52eedfb459dba0ade837ee953ad577bbdc3d581fee4259ceb2d","schema_version":"1.0","event_id":"sha256:48d347da9a69e52eedfb459dba0ade837ee953ad577bbdc3d581fee4259ceb2d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:36R62PWBNHGDTFLRM4RWGP4YRF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-Messenger Astrophysics Opportunities with Stellar-Mass Binary Black Hole Mergers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Bing Zhang, Chris Fryer, Federico Fraschetti, K. E. Saavik Ford, Peter Shawhan, P\\'eter Veres, Rosalba Perna, Steven L. Liebling","submitted_at":"2019-03-26T18:54:57Z","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"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11116","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hZ8Q/YuFFsbGz8Pc3n4RF3I5OnOqmXJlHPKi8yeWTTDExtkBhWiH3P+zCHFoL9MuMa/uEFBmfzu7W4At+VoVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:32:22.981939Z"},"content_sha256":"154ce13f926867af5cf65c49af69011a4fa094ba67ae569740d931d5f1f8bd7f","schema_version":"1.0","event_id":"sha256:154ce13f926867af5cf65c49af69011a4fa094ba67ae569740d931d5f1f8bd7f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/36R62PWBNHGDTFLRM4RWGP4YRF/bundle.json","state_url":"https://pith.science/pith/36R62PWBNHGDTFLRM4RWGP4YRF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/36R62PWBNHGDTFLRM4RWGP4YRF/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-03T21:32:22Z","links":{"resolver":"https://pith.science/pith/36R62PWBNHGDTFLRM4RWGP4YRF","bundle":"https://pith.science/pith/36R62PWBNHGDTFLRM4RWGP4YRF/bundle.json","state":"https://pith.science/pith/36R62PWBNHGDTFLRM4RWGP4YRF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/36R62PWBNHGDTFLRM4RWGP4YRF/bundle.json"},"state":{"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"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RDY7kQIPmjMM1Z3DMSBo6uPg4HzF5vhQihORNF7c5PniVj7yYjbFpMM6RSnjYGA+Y1SdqDtTxG9gjVQSOe6UDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T21:32:22.983824Z","bundle_sha256":"97e7f7f6ef4d0642fead9533b8eb6e85b278d1cd7d6a4482ff9be971ef9388dd"}}