{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:ZZXIKPCSW4DZKN7NFADOZSJPAW","short_pith_number":"pith:ZZXIKPCS","schema_version":"1.0","canonical_sha256":"ce6e853c52b7079537ed2806ecc92f058af7407d3d2371d72e76e0c459e79fe3","source":{"kind":"arxiv","id":"2112.00772","version":1},"attestation_state":"computed","paper":{"title":"$r$-process Nucleosynthesis and Kilonovae from Hypermassive Neutron Star Remnants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Albino Perego, David Radice, Giacomo Ricigliano, Luke Roberts, Philipp M\\\"osta, Sanjana Curtis, Zhenyu Wu","submitted_at":"2021-12-01T19:01:01Z","abstract_excerpt":"We investigate $r$-process nucleosynthesis and kilonova emission resulting from binary neutron star (BNS) mergers based on a three-dimensional (3D) general-relativistic magnetohydrodynamic (GRMHD) simulation of a hypermassive neutron star (HMNS) remnant. The simulation includes a microphysical finite-temperature equation of state (EOS) and neutrino emission and absorption effects via a leakage scheme. We track the thermodynamic properties of the ejecta using Lagrangian tracer particles and determine its composition using the nuclear reaction network $\\texttt{SkyNet}$. We investigate the impact"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2112.00772","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-01T19:01:01Z","cross_cats_sorted":[],"title_canon_sha256":"4339b51adc4200b4588e8d82aaec4fe020850af370cbdef1bd010098a674715f","abstract_canon_sha256":"660bfa9464c0820495504f07319d436d09828e48c90f801c8c6cfa402bcb06cd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:16:17.413274Z","signature_b64":"1Yh/aFs95dcGrU4AtlM9YwEVikPqwjUeb7VKnZ74oDgbr9iPzSQSLRkFS03WzRCu8Gy49XzA0UAHa935OUMnAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce6e853c52b7079537ed2806ecc92f058af7407d3d2371d72e76e0c459e79fe3","last_reissued_at":"2026-07-05T05:16:17.412835Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:16:17.412835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$r$-process Nucleosynthesis and Kilonovae from Hypermassive Neutron Star Remnants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Albino Perego, David Radice, Giacomo Ricigliano, Luke Roberts, Philipp M\\\"osta, Sanjana Curtis, Zhenyu Wu","submitted_at":"2021-12-01T19:01:01Z","abstract_excerpt":"We investigate $r$-process nucleosynthesis and kilonova emission resulting from binary neutron star (BNS) mergers based on a three-dimensional (3D) general-relativistic magnetohydrodynamic (GRMHD) simulation of a hypermassive neutron star (HMNS) remnant. The simulation includes a microphysical finite-temperature equation of state (EOS) and neutrino emission and absorption effects via a leakage scheme. We track the thermodynamic properties of the ejecta using Lagrangian tracer particles and determine its composition using the nuclear reaction network $\\texttt{SkyNet}$. We investigate the impact"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.00772","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2112.00772/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2112.00772","created_at":"2026-07-05T05:16:17.412897+00:00"},{"alias_kind":"arxiv_version","alias_value":"2112.00772v1","created_at":"2026-07-05T05:16:17.412897+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.00772","created_at":"2026-07-05T05:16:17.412897+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZZXIKPCSW4DZ","created_at":"2026-07-05T05:16:17.412897+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZZXIKPCSW4DZKN7N","created_at":"2026-07-05T05:16:17.412897+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZZXIKPCS","created_at":"2026-07-05T05:16:17.412897+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.03947","citing_title":"Effects of magnetically driven shocks on nucleosynthesis and kilonovae from neutron star mergers","ref_index":73,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZZXIKPCSW4DZKN7NFADOZSJPAW","json":"https://pith.science/pith/ZZXIKPCSW4DZKN7NFADOZSJPAW.json","graph_json":"https://pith.science/api/pith-number/ZZXIKPCSW4DZKN7NFADOZSJPAW/graph.json","events_json":"https://pith.science/api/pith-number/ZZXIKPCSW4DZKN7NFADOZSJPAW/events.json","paper":"https://pith.science/paper/ZZXIKPCS"},"agent_actions":{"view_html":"https://pith.science/pith/ZZXIKPCSW4DZKN7NFADOZSJPAW","download_json":"https://pith.science/pith/ZZXIKPCSW4DZKN7NFADOZSJPAW.json","view_paper":"https://pith.science/paper/ZZXIKPCS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2112.00772&json=true","fetch_graph":"https://pith.science/api/pith-number/ZZXIKPCSW4DZKN7NFADOZSJPAW/graph.json","fetch_events":"https://pith.science/api/pith-number/ZZXIKPCSW4DZKN7NFADOZSJPAW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZZXIKPCSW4DZKN7NFADOZSJPAW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZZXIKPCSW4DZKN7NFADOZSJPAW/action/storage_attestation","attest_author":"https://pith.science/pith/ZZXIKPCSW4DZKN7NFADOZSJPAW/action/author_attestation","sign_citation":"https://pith.science/pith/ZZXIKPCSW4DZKN7NFADOZSJPAW/action/citation_signature","submit_replication":"https://pith.science/pith/ZZXIKPCSW4DZKN7NFADOZSJPAW/action/replication_record"}},"created_at":"2026-07-05T05:16:17.412897+00:00","updated_at":"2026-07-05T05:16:17.412897+00:00"}