{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6QOP3NJ4HTLQBHPN7FZBK3IDQ6","short_pith_number":"pith:6QOP3NJ4","canonical_record":{"source":{"id":"1908.03592","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-09T18:39:21Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"d12d5eeda1d401eafc4fc8f4dcc5e10ed9d1e102175da77501dbb4e3254fa85f","abstract_canon_sha256":"8c55be0292857b25bbb0116fa3928cb3229f64d3dcc8fe94341d05f874e5769b"},"schema_version":"1.0"},"canonical_sha256":"f41cfdb53c3cd7009dedf972156d0387afcfb0190b6498328578c51407811784","source":{"kind":"arxiv","id":"1908.03592","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.03592","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"arxiv_version","alias_value":"1908.03592v2","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.03592","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"pith_short_12","alias_value":"6QOP3NJ4HTLQ","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"pith_short_16","alias_value":"6QOP3NJ4HTLQBHPN","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"pith_short_8","alias_value":"6QOP3NJ4","created_at":"2026-07-05T00:12:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6QOP3NJ4HTLQBHPN7FZBK3IDQ6","target":"record","payload":{"canonical_record":{"source":{"id":"1908.03592","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-09T18:39:21Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"d12d5eeda1d401eafc4fc8f4dcc5e10ed9d1e102175da77501dbb4e3254fa85f","abstract_canon_sha256":"8c55be0292857b25bbb0116fa3928cb3229f64d3dcc8fe94341d05f874e5769b"},"schema_version":"1.0"},"canonical_sha256":"f41cfdb53c3cd7009dedf972156d0387afcfb0190b6498328578c51407811784","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:12:29.127804Z","signature_b64":"rUtSpsuBSLT609V8hljcfxDzFmgPLWdSHCadJ/+UD2EF0UefBlL4kEv+WfLEQ1hs9y+JgGyaF+qh8kUcNC6RBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f41cfdb53c3cd7009dedf972156d0387afcfb0190b6498328578c51407811784","last_reissued_at":"2026-07-05T00:12:29.127432Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:12:29.127432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.03592","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:12:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h8tVyeuEXgSnV9DH9twaq2zTxxlS90SdXmigIEa9GqjGF1jocWNgTYA1PjESJ5OZJU+BxgDVUK7fzrSRI6vHBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:36:04.392765Z"},"content_sha256":"7aa041cd2a5ee5e78a8658b9cd494d08cd2463c3d4ebea2c55f3618576f06ae7","schema_version":"1.0","event_id":"sha256:7aa041cd2a5ee5e78a8658b9cd494d08cd2463c3d4ebea2c55f3618576f06ae7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6QOP3NJ4HTLQBHPN7FZBK3IDQ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The reliability of the low-latency estimation of binary neutron star chirp mass","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Carl-Johan Haster, Salvatore Vitale, Sylvia Biscoveanu","submitted_at":"2019-08-09T18:39:21Z","abstract_excerpt":"The LIGO and Virgo Collaborations currently conduct searches for gravitational waves from compact binary coalescences in real-time. For promising candidate events, a sky map and distance estimation are released in low-latency, to facilitate their electromagnetic follow-up. Currently, no information is released about the masses of the compact objects. Recently, Margalit and Metzger (2019) have suggested that knowledge of the chirp mass of the detected binary neutron stars could be useful to prioritize the electromagnetic follow-up effort, and have urged the LIGO-Virgo collaboration to release c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.03592","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.03592/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:12:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XsN32lO/10hQA5S6CBsawYHZGIJPkrADUNcHPlenocYO2LCWr/NrpQKgFo1MSZrYgnr/NKsVwVfNiK/s5svCAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:36:04.393141Z"},"content_sha256":"bad524aef6df1cf392d8aaae0a0b1080be440e089ba5fad2528f36d0bab417b8","schema_version":"1.0","event_id":"sha256:bad524aef6df1cf392d8aaae0a0b1080be440e089ba5fad2528f36d0bab417b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6QOP3NJ4HTLQBHPN7FZBK3IDQ6/bundle.json","state_url":"https://pith.science/pith/6QOP3NJ4HTLQBHPN7FZBK3IDQ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6QOP3NJ4HTLQBHPN7FZBK3IDQ6/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":"2026-07-07T13:36:04Z","links":{"resolver":"https://pith.science/pith/6QOP3NJ4HTLQBHPN7FZBK3IDQ6","bundle":"https://pith.science/pith/6QOP3NJ4HTLQBHPN7FZBK3IDQ6/bundle.json","state":"https://pith.science/pith/6QOP3NJ4HTLQBHPN7FZBK3IDQ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6QOP3NJ4HTLQBHPN7FZBK3IDQ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6QOP3NJ4HTLQBHPN7FZBK3IDQ6","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":"8c55be0292857b25bbb0116fa3928cb3229f64d3dcc8fe94341d05f874e5769b","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-09T18:39:21Z","title_canon_sha256":"d12d5eeda1d401eafc4fc8f4dcc5e10ed9d1e102175da77501dbb4e3254fa85f"},"schema_version":"1.0","source":{"id":"1908.03592","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.03592","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"arxiv_version","alias_value":"1908.03592v2","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.03592","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"pith_short_12","alias_value":"6QOP3NJ4HTLQ","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"pith_short_16","alias_value":"6QOP3NJ4HTLQBHPN","created_at":"2026-07-05T00:12:29Z"},{"alias_kind":"pith_short_8","alias_value":"6QOP3NJ4","created_at":"2026-07-05T00:12:29Z"}],"graph_snapshots":[{"event_id":"sha256:bad524aef6df1cf392d8aaae0a0b1080be440e089ba5fad2528f36d0bab417b8","target":"graph","created_at":"2026-07-05T00:12:29Z","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/1908.03592/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The LIGO and Virgo Collaborations currently conduct searches for gravitational waves from compact binary coalescences in real-time. For promising candidate events, a sky map and distance estimation are released in low-latency, to facilitate their electromagnetic follow-up. Currently, no information is released about the masses of the compact objects. Recently, Margalit and Metzger (2019) have suggested that knowledge of the chirp mass of the detected binary neutron stars could be useful to prioritize the electromagnetic follow-up effort, and have urged the LIGO-Virgo collaboration to release c","authors_text":"Carl-Johan Haster, Salvatore Vitale, Sylvia Biscoveanu","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-09T18:39:21Z","title":"The reliability of the low-latency estimation of binary neutron star chirp mass"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.03592","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":"sha256:7aa041cd2a5ee5e78a8658b9cd494d08cd2463c3d4ebea2c55f3618576f06ae7","target":"record","created_at":"2026-07-05T00:12:29Z","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":"8c55be0292857b25bbb0116fa3928cb3229f64d3dcc8fe94341d05f874e5769b","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-09T18:39:21Z","title_canon_sha256":"d12d5eeda1d401eafc4fc8f4dcc5e10ed9d1e102175da77501dbb4e3254fa85f"},"schema_version":"1.0","source":{"id":"1908.03592","kind":"arxiv","version":2}},"canonical_sha256":"f41cfdb53c3cd7009dedf972156d0387afcfb0190b6498328578c51407811784","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f41cfdb53c3cd7009dedf972156d0387afcfb0190b6498328578c51407811784","first_computed_at":"2026-07-05T00:12:29.127432Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:12:29.127432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rUtSpsuBSLT609V8hljcfxDzFmgPLWdSHCadJ/+UD2EF0UefBlL4kEv+WfLEQ1hs9y+JgGyaF+qh8kUcNC6RBw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:12:29.127804Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.03592","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7aa041cd2a5ee5e78a8658b9cd494d08cd2463c3d4ebea2c55f3618576f06ae7","sha256:bad524aef6df1cf392d8aaae0a0b1080be440e089ba5fad2528f36d0bab417b8"],"state_sha256":"26206ff2159e364c9cb2503b8c6c8e2b350ec5fc1a1f95a346df712cc65b9294"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1IszH+FewnklTyoDw3tRD4yaVBIQ+eUqm+7Q2/OfqraZt3N216f2gA/YY8VZZRAGqHuBHhnPIqw7x2/7g4/3Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:36:04.395010Z","bundle_sha256":"dceb5d72d64335668faa2bb461f0e8aedaf8a4aa33d178378623d2cb1f5f8575"}}