{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:GFHEZMXI3SWTXSKIZ3WYMHZFYK","short_pith_number":"pith:GFHEZMXI","schema_version":"1.0","canonical_sha256":"314e4cb2e8dcad3bc948ceed861f25c290859769a85a3e11c828430dedbbd985","source":{"kind":"arxiv","id":"2003.04880","version":2},"attestation_state":"computed","paper":{"title":"Nonparametric constraints on neutron star matter with existing and upcoming gravitational wave and pulsar observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Katerina Chatziioannou, Philippe Landry, Reed Essick","submitted_at":"2020-03-10T17:50:27Z","abstract_excerpt":"Observations of neutron stars, whether in binaries or in isolation, provide information about the internal structure of the most extreme material objects in the Universe. In this work, we combine information from recent observations to place joint constraints on the properties of neutron star matter. We use (i) lower limits on the maximum mass of neutron stars obtained through radio observations of heavy pulsars, (ii) constraints on tidal properties inferred through the gravitational waves neutron star binaries emit as they coalesce, and (iii) information about neutron stars' masses and radii "},"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":"2003.04880","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-03-10T17:50:27Z","cross_cats_sorted":["gr-qc","nucl-th"],"title_canon_sha256":"524e5102d2a1477de1363dddd51513324bc8c9420d35e19bae4ab1e418df37ed","abstract_canon_sha256":"470893636d52775c4314bd5d5689af117f7fb8a196ba3e2c470b801819aa666e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:09:11.425450Z","signature_b64":"o16T47NVz+8moFZzlKcSRp+YVx3wSwTDxjxcrswPIZyea+VDxxDtG15YqK3URmn7Wj1bKgPXrM3CwbeqdWz7Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"314e4cb2e8dcad3bc948ceed861f25c290859769a85a3e11c828430dedbbd985","last_reissued_at":"2026-07-05T03:09:11.425019Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:09:11.425019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonparametric constraints on neutron star matter with existing and upcoming gravitational wave and pulsar observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Katerina Chatziioannou, Philippe Landry, Reed Essick","submitted_at":"2020-03-10T17:50:27Z","abstract_excerpt":"Observations of neutron stars, whether in binaries or in isolation, provide information about the internal structure of the most extreme material objects in the Universe. In this work, we combine information from recent observations to place joint constraints on the properties of neutron star matter. We use (i) lower limits on the maximum mass of neutron stars obtained through radio observations of heavy pulsars, (ii) constraints on tidal properties inferred through the gravitational waves neutron star binaries emit as they coalesce, and (iii) information about neutron stars' masses and radii "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.04880","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/2003.04880/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":"2003.04880","created_at":"2026-07-05T03:09:11.425071+00:00"},{"alias_kind":"arxiv_version","alias_value":"2003.04880v2","created_at":"2026-07-05T03:09:11.425071+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.04880","created_at":"2026-07-05T03:09:11.425071+00:00"},{"alias_kind":"pith_short_12","alias_value":"GFHEZMXI3SWT","created_at":"2026-07-05T03:09:11.425071+00:00"},{"alias_kind":"pith_short_16","alias_value":"GFHEZMXI3SWTXSKI","created_at":"2026-07-05T03:09:11.425071+00:00"},{"alias_kind":"pith_short_8","alias_value":"GFHEZMXI","created_at":"2026-07-05T03:09:11.425071+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":8,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.08584","citing_title":"The Non-parametric Equation of State Realizes a Generalized Quark-Hadron Crossover","ref_index":28,"is_internal_anchor":false},{"citing_arxiv_id":"2311.10626","citing_title":"Exploring the Potential for Detecting Rotational Instabilities in Binary Neutron Star Merger Remnants with Gravitational Wave Detectors","ref_index":34,"is_internal_anchor":false},{"citing_arxiv_id":"2509.06145","citing_title":"Equation of State Extrapolation Systematics: Parametric vs. Nonparametric Inference of Neutron Star Structure","ref_index":28,"is_internal_anchor":false},{"citing_arxiv_id":"2510.22137","citing_title":"Inferring neutron-star Love-Q relations from gravitational waves in the hierarchical Bayesian framework","ref_index":87,"is_internal_anchor":false},{"citing_arxiv_id":"2512.24194","citing_title":"Impact of Anisotropy on Neutron Star Structure and Curvature","ref_index":64,"is_internal_anchor":false},{"citing_arxiv_id":"2605.08584","citing_title":"The Non-parametric Equation of State Realizes a Generalized Quark-Hadron Crossover","ref_index":18,"is_internal_anchor":false},{"citing_arxiv_id":"2604.24949","citing_title":"A Physics Informed Bayesian Neural Network for the Neutron Star Equation of State","ref_index":22,"is_internal_anchor":false},{"citing_arxiv_id":"2007.05579","citing_title":"Inferring the properties of a population of compact binaries in presence of selection effects","ref_index":23,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GFHEZMXI3SWTXSKIZ3WYMHZFYK","json":"https://pith.science/pith/GFHEZMXI3SWTXSKIZ3WYMHZFYK.json","graph_json":"https://pith.science/api/pith-number/GFHEZMXI3SWTXSKIZ3WYMHZFYK/graph.json","events_json":"https://pith.science/api/pith-number/GFHEZMXI3SWTXSKIZ3WYMHZFYK/events.json","paper":"https://pith.science/paper/GFHEZMXI"},"agent_actions":{"view_html":"https://pith.science/pith/GFHEZMXI3SWTXSKIZ3WYMHZFYK","download_json":"https://pith.science/pith/GFHEZMXI3SWTXSKIZ3WYMHZFYK.json","view_paper":"https://pith.science/paper/GFHEZMXI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2003.04880&json=true","fetch_graph":"https://pith.science/api/pith-number/GFHEZMXI3SWTXSKIZ3WYMHZFYK/graph.json","fetch_events":"https://pith.science/api/pith-number/GFHEZMXI3SWTXSKIZ3WYMHZFYK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GFHEZMXI3SWTXSKIZ3WYMHZFYK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GFHEZMXI3SWTXSKIZ3WYMHZFYK/action/storage_attestation","attest_author":"https://pith.science/pith/GFHEZMXI3SWTXSKIZ3WYMHZFYK/action/author_attestation","sign_citation":"https://pith.science/pith/GFHEZMXI3SWTXSKIZ3WYMHZFYK/action/citation_signature","submit_replication":"https://pith.science/pith/GFHEZMXI3SWTXSKIZ3WYMHZFYK/action/replication_record"}},"created_at":"2026-07-05T03:09:11.425071+00:00","updated_at":"2026-07-05T03:09:11.425071+00:00"}