{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:LNRPUUXBLLVQJTKDTQUG2Z6IA4","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":"cfb5461c09bf67eef4b091f6d278b67c9aab4635c8df528c4fd2aedecf90ec53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-16T16:58:15Z","title_canon_sha256":"413f8fff7ec3647719181eb9f4722f7a892c521ea07f70648eeacb148c872171"},"schema_version":"1.0","source":{"id":"1710.05858","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.05858","created_at":"2026-05-18T00:32:32Z"},{"alias_kind":"arxiv_version","alias_value":"1710.05858v1","created_at":"2026-05-18T00:32:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.05858","created_at":"2026-05-18T00:32:32Z"},{"alias_kind":"pith_short_12","alias_value":"LNRPUUXBLLVQ","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LNRPUUXBLLVQJTKD","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LNRPUUXB","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:659d9192d6b5b755ffec759c65fbe858102b4f66b359e1bcfc31843574c78460","target":"graph","created_at":"2026-05-18T00:32:32Z","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 merger of two neutron stars is predicted to give rise to three major detectable phenomena: a short burst of gamma-rays, a gravitational wave signal, and a transient optical/near-infrared source powered by the synthesis of large amounts of very heavy elements via rapid neutron capture (the r-process). Such transients, named \"macronovae\" or \"kilonovae\", are believed to be centres of production of rare elements such as gold and platinum. The most compelling evidence so far for a kilonova was a very faint near-infrared rebrightening in the afterglow of a short gamma-ray burst at z = 0.356, alt","authors_text":"A. Bulgarelli, A. Di Paola, A. Giunta, A. Grado, A. J. Castro-Tirado, A. Levan, A. Melandri, A. Pescalli, A. Possenti, A. Rossi, A. Stamerra, B. Gendre, B. Patricelli, C. Kouveliotou, C. M. Copperwheat, D. Malesani, D. Perley, D. Vergani, D. Watson, E. Brocato, E. Cappellaro, E. Chassande-Mottin, E. Maiorano, E. Palazzi, E. Pian, E. Troja, F. Bufano, F. Getman, F. Longo, G. De Cesare, G. Ghirlanda, G. Ghisellini, G. Giuffrida, G. Greco, G. Israel, G. Stratta, G. Tagliaferri, J. Hjorth, J. P. U. Fynbo, J. Selsing, L. A. Antonelli, L. Amati, L. K. Hunt, L. Limatola, L. Nava, L. Nicastro, L. Pulone, L. Stella, L. Tomasella, . Masetti, M. Boer, M. Branchesi, M. Capaccioli, M. Dadina, M. G. Bernardini, M. Kasliwal, M. Lisi, M. Mapelli, M. Razzano, M. Spera, M. Tanaka, M. Turatto, N. R. Tanvir, O. S. Salafia, P. A. Mazzali, P. D'Avanzo, P. G. Casella, P. Moller, P. Schipani, R. Ciolfi, R. Salvaterra, S. Ascenzi, S. Benetti, S. Campana, S. Covino, S. D. Vergani, S. Klose, S. Piranomonte, S. Yang, T. Piran, V. D'Elia, V. Testa, Y. Z. Fan, Z.-P. Jin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-16T16:58:15Z","title":"Spectroscopic identification of r-process nucleosynthesis in a double neutron star merger"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.05858","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":"sha256:448d9fa0e2525b8b9956f8f85c0c61b896f9006492dc318a3c0013890a7a9e4e","target":"record","created_at":"2026-05-18T00:32:32Z","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":"cfb5461c09bf67eef4b091f6d278b67c9aab4635c8df528c4fd2aedecf90ec53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-16T16:58:15Z","title_canon_sha256":"413f8fff7ec3647719181eb9f4722f7a892c521ea07f70648eeacb148c872171"},"schema_version":"1.0","source":{"id":"1710.05858","kind":"arxiv","version":1}},"canonical_sha256":"5b62fa52e15aeb04cd439c286d67c8072673dac0f16f9de4fb0c4759da4bc841","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b62fa52e15aeb04cd439c286d67c8072673dac0f16f9de4fb0c4759da4bc841","first_computed_at":"2026-05-18T00:32:32.308327Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:32.308327Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Nl19Wk3alYNn2qna8BbB+HHFblKOVjYhUdEzrhzW9OOor3hEIxKxj47OG3xCFY6K1EXAsyNENLhLTKSq9HJwCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:32.308990Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.05858","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:448d9fa0e2525b8b9956f8f85c0c61b896f9006492dc318a3c0013890a7a9e4e","sha256:659d9192d6b5b755ffec759c65fbe858102b4f66b359e1bcfc31843574c78460"],"state_sha256":"d95b709e96b1040e939fbbd21c577160a087c5d19b4556caa4f1ee4ff34f1456"}