{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:R6EW3TVFSHQ7GWTRJ7QUOOZZVE","short_pith_number":"pith:R6EW3TVF","schema_version":"1.0","canonical_sha256":"8f896dcea591e1f35a714fe1473b39a9123b49dfce82eea07487dc39404a5ce1","source":{"kind":"arxiv","id":"1309.7326","version":2},"attestation_state":"computed","paper":{"title":"Path-Integral Ground-State and Superfluid Hydrodynamics of a Bosonic Gas of Hard Spheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Luca Salasnich, Maurizio Rossi","submitted_at":"2013-09-27T18:36:45Z","abstract_excerpt":"We study a bosonic gas of hard spheres by using of the exact zero-temperature Path-Integral Ground-State (PIGS) Monte Carlo method and the equations of superfluid hydrodynamics. The PIGS method is implemented to calculate for the bulk system the energy per particle and the condensate fraction through a large range of the gas parameter $na^3$ (with $n$ the number density and $a$ the s--wave scattering length), going from the dilute gas into the solid phase. The Maxwell construction is then adopted to determine the freezing at $na^3=0.278\\pm 0.001$ and the melting at $na^3=0.286\\pm 0.001$. In th"},"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":"1309.7326","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-09-27T18:36:45Z","cross_cats_sorted":[],"title_canon_sha256":"ef675adf97b16ac3d55b57e53418c678c9a32260b3047a5a3b39ca66a342e329","abstract_canon_sha256":"8a240b11c9abf3f79eba239530af0ea71a60479d63b037439dc9101ce473c985"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:54.305761Z","signature_b64":"HIkA4wRrJMTdigsIPDPMquYNVXSY7/OuMF55vZFGcIOv0P7jRoxzLQFsO2gMlr83iVJV1nzPuyp2nzIp/Gt3CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f896dcea591e1f35a714fe1473b39a9123b49dfce82eea07487dc39404a5ce1","last_reissued_at":"2026-05-18T03:06:54.305049Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:54.305049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Path-Integral Ground-State and Superfluid Hydrodynamics of a Bosonic Gas of Hard Spheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Luca Salasnich, Maurizio Rossi","submitted_at":"2013-09-27T18:36:45Z","abstract_excerpt":"We study a bosonic gas of hard spheres by using of the exact zero-temperature Path-Integral Ground-State (PIGS) Monte Carlo method and the equations of superfluid hydrodynamics. The PIGS method is implemented to calculate for the bulk system the energy per particle and the condensate fraction through a large range of the gas parameter $na^3$ (with $n$ the number density and $a$ the s--wave scattering length), going from the dilute gas into the solid phase. The Maxwell construction is then adopted to determine the freezing at $na^3=0.278\\pm 0.001$ and the melting at $na^3=0.286\\pm 0.001$. In th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7326","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":""},"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":"1309.7326","created_at":"2026-05-18T03:06:54.305165+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.7326v2","created_at":"2026-05-18T03:06:54.305165+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7326","created_at":"2026-05-18T03:06:54.305165+00:00"},{"alias_kind":"pith_short_12","alias_value":"R6EW3TVFSHQ7","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_16","alias_value":"R6EW3TVFSHQ7GWTR","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_8","alias_value":"R6EW3TVF","created_at":"2026-05-18T12:27:57.521954+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/R6EW3TVFSHQ7GWTRJ7QUOOZZVE","json":"https://pith.science/pith/R6EW3TVFSHQ7GWTRJ7QUOOZZVE.json","graph_json":"https://pith.science/api/pith-number/R6EW3TVFSHQ7GWTRJ7QUOOZZVE/graph.json","events_json":"https://pith.science/api/pith-number/R6EW3TVFSHQ7GWTRJ7QUOOZZVE/events.json","paper":"https://pith.science/paper/R6EW3TVF"},"agent_actions":{"view_html":"https://pith.science/pith/R6EW3TVFSHQ7GWTRJ7QUOOZZVE","download_json":"https://pith.science/pith/R6EW3TVFSHQ7GWTRJ7QUOOZZVE.json","view_paper":"https://pith.science/paper/R6EW3TVF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.7326&json=true","fetch_graph":"https://pith.science/api/pith-number/R6EW3TVFSHQ7GWTRJ7QUOOZZVE/graph.json","fetch_events":"https://pith.science/api/pith-number/R6EW3TVFSHQ7GWTRJ7QUOOZZVE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R6EW3TVFSHQ7GWTRJ7QUOOZZVE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R6EW3TVFSHQ7GWTRJ7QUOOZZVE/action/storage_attestation","attest_author":"https://pith.science/pith/R6EW3TVFSHQ7GWTRJ7QUOOZZVE/action/author_attestation","sign_citation":"https://pith.science/pith/R6EW3TVFSHQ7GWTRJ7QUOOZZVE/action/citation_signature","submit_replication":"https://pith.science/pith/R6EW3TVFSHQ7GWTRJ7QUOOZZVE/action/replication_record"}},"created_at":"2026-05-18T03:06:54.305165+00:00","updated_at":"2026-05-18T03:06:54.305165+00:00"}