{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:6475SCDY3EO7EZZFJ5IQRT255E","short_pith_number":"pith:6475SCDY","schema_version":"1.0","canonical_sha256":"f73fd90878d91df267254f5108cf5de90b1c7874315edde4ab3e72d1f81412dc","source":{"kind":"arxiv","id":"2607.07668","version":1},"attestation_state":"computed","paper":{"title":"Subsolar-mass binary mergers of strange stars and neutron stars: gravitational waves and ejecta","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Enping Zhou, Kenta Hotokezaka, Kenta Kiuchi, Masaru Shibata, Ming-Zhe Han, Yong Gao","submitted_at":"2026-07-08T17:23:41Z","abstract_excerpt":"We present the first numerical-relativity simulations of subsolar-mass binary strange star (SS) mergers and compare with binary neutron star (NS) mergers across equations of state, masses, and mass ratios. The self-bound nature of SSs makes them less deformed during the inspiral and keeps a sharp surface up to contact, driving strong shock heating and a large radial bounce that are far weaker in the NS. The more compact SS thus reaches a higher gravitational-wave cutoff frequency $f_\\mathrm{cut}$ before contact but a lower post-merger peak frequency $f_2$. Within each class these frequencies f"},"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":"2607.07668","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-08T17:23:41Z","cross_cats_sorted":["gr-qc","hep-ph","nucl-th"],"title_canon_sha256":"2a4219a0e50474a5afa6e6a34bbfc25ce8720d0675c28d801029b602f89227f2","abstract_canon_sha256":"2c9ee592c7d79af0cf2cdfbe5a0162b963594a5e63e8eb19c13b82653c26f4e7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-09T01:20:38.481558Z","signature_b64":"qQ7hG7Tik5gpf2SVfbZdxuyAufPPMngrz1oR8b4own7gQNPM5U6vZQyGfFa8QWAQQM4pLLNOpKyL8szt//4yCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f73fd90878d91df267254f5108cf5de90b1c7874315edde4ab3e72d1f81412dc","last_reissued_at":"2026-07-09T01:20:38.481106Z","signature_status":"signed_v1","first_computed_at":"2026-07-09T01:20:38.481106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Subsolar-mass binary mergers of strange stars and neutron stars: gravitational waves and ejecta","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Enping Zhou, Kenta Hotokezaka, Kenta Kiuchi, Masaru Shibata, Ming-Zhe Han, Yong Gao","submitted_at":"2026-07-08T17:23:41Z","abstract_excerpt":"We present the first numerical-relativity simulations of subsolar-mass binary strange star (SS) mergers and compare with binary neutron star (NS) mergers across equations of state, masses, and mass ratios. The self-bound nature of SSs makes them less deformed during the inspiral and keeps a sharp surface up to contact, driving strong shock heating and a large radial bounce that are far weaker in the NS. The more compact SS thus reaches a higher gravitational-wave cutoff frequency $f_\\mathrm{cut}$ before contact but a lower post-merger peak frequency $f_2$. Within each class these frequencies f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.07668","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/2607.07668/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":"2607.07668","created_at":"2026-07-09T01:20:38.481169+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.07668v1","created_at":"2026-07-09T01:20:38.481169+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.07668","created_at":"2026-07-09T01:20:38.481169+00:00"},{"alias_kind":"pith_short_12","alias_value":"6475SCDY3EO7","created_at":"2026-07-09T01:20:38.481169+00:00"},{"alias_kind":"pith_short_16","alias_value":"6475SCDY3EO7EZZF","created_at":"2026-07-09T01:20:38.481169+00:00"},{"alias_kind":"pith_short_8","alias_value":"6475SCDY","created_at":"2026-07-09T01:20:38.481169+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.08743","citing_title":"SACRA-K: A Performance-Portable Numerical Relativity Code with Kokkos","ref_index":28,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6475SCDY3EO7EZZFJ5IQRT255E","json":"https://pith.science/pith/6475SCDY3EO7EZZFJ5IQRT255E.json","graph_json":"https://pith.science/api/pith-number/6475SCDY3EO7EZZFJ5IQRT255E/graph.json","events_json":"https://pith.science/api/pith-number/6475SCDY3EO7EZZFJ5IQRT255E/events.json","paper":"https://pith.science/paper/6475SCDY"},"agent_actions":{"view_html":"https://pith.science/pith/6475SCDY3EO7EZZFJ5IQRT255E","download_json":"https://pith.science/pith/6475SCDY3EO7EZZFJ5IQRT255E.json","view_paper":"https://pith.science/paper/6475SCDY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.07668&json=true","fetch_graph":"https://pith.science/api/pith-number/6475SCDY3EO7EZZFJ5IQRT255E/graph.json","fetch_events":"https://pith.science/api/pith-number/6475SCDY3EO7EZZFJ5IQRT255E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6475SCDY3EO7EZZFJ5IQRT255E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6475SCDY3EO7EZZFJ5IQRT255E/action/storage_attestation","attest_author":"https://pith.science/pith/6475SCDY3EO7EZZFJ5IQRT255E/action/author_attestation","sign_citation":"https://pith.science/pith/6475SCDY3EO7EZZFJ5IQRT255E/action/citation_signature","submit_replication":"https://pith.science/pith/6475SCDY3EO7EZZFJ5IQRT255E/action/replication_record"}},"created_at":"2026-07-09T01:20:38.481169+00:00","updated_at":"2026-07-09T01:20:38.481169+00:00"}