{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:DNBIASN4PI7PXPKNQDZDR2SXRM","short_pith_number":"pith:DNBIASN4","schema_version":"1.0","canonical_sha256":"1b428049bc7a3efbbd4d80f238ea578b0172484e958ac1ef6e15040a62234b71","source":{"kind":"arxiv","id":"1305.3867","version":2},"attestation_state":"computed","paper":{"title":"On the robustness of entanglement in analogue gravity systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","gr-qc"],"primary_cat":"quant-ph","authors_text":"David Edward Bruschi, Ivette Fuentes, Nicolai Friis, Silke Weinfurtner","submitted_at":"2013-05-16T16:42:36Z","abstract_excerpt":"We investigate the possibility to generate quantum-correlated quasi-particles utilizing analogue gravity systems. The quantumness of these correlations is a key aspect of analogue gravity effects and their presence allows for a clear separation between classical and quantum analogue gravity effects. However, experiments in analogue systems, such as Bose-Einstein condensates, and shallow water waves, are always conducted at non-ideal conditions, in particular, one is dealing with dispersive media at nonzero temperatures. We analyze the influence of the initial temperature on the entanglement ge"},"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":"1305.3867","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-16T16:42:36Z","cross_cats_sorted":["cond-mat.quant-gas","gr-qc"],"title_canon_sha256":"9a61a4bb9ff760416e5e97b0f278008e75e747ec99615a5ec2eb30aae5f43076","abstract_canon_sha256":"f331c833ae0f64dc9e78254ab69a8c42cde881d61771180df74c9ba41fe15e7b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:07:44.338793Z","signature_b64":"WVOjLqDUgre8q1NfgbANKR9t8M/wIXmpofyEXq4FPy/ieedZ3WRe8g+Y6iZ18iANX7+P3bFlo1FyUFGvvb/dAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b428049bc7a3efbbd4d80f238ea578b0172484e958ac1ef6e15040a62234b71","last_reissued_at":"2026-05-18T03:07:44.338105Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:07:44.338105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the robustness of entanglement in analogue gravity systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","gr-qc"],"primary_cat":"quant-ph","authors_text":"David Edward Bruschi, Ivette Fuentes, Nicolai Friis, Silke Weinfurtner","submitted_at":"2013-05-16T16:42:36Z","abstract_excerpt":"We investigate the possibility to generate quantum-correlated quasi-particles utilizing analogue gravity systems. The quantumness of these correlations is a key aspect of analogue gravity effects and their presence allows for a clear separation between classical and quantum analogue gravity effects. However, experiments in analogue systems, such as Bose-Einstein condensates, and shallow water waves, are always conducted at non-ideal conditions, in particular, one is dealing with dispersive media at nonzero temperatures. We analyze the influence of the initial temperature on the entanglement ge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3867","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":"1305.3867","created_at":"2026-05-18T03:07:44.338220+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.3867v2","created_at":"2026-05-18T03:07:44.338220+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3867","created_at":"2026-05-18T03:07:44.338220+00:00"},{"alias_kind":"pith_short_12","alias_value":"DNBIASN4PI7P","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_16","alias_value":"DNBIASN4PI7PXPKN","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_8","alias_value":"DNBIASN4","created_at":"2026-05-18T12:27:43.054852+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/DNBIASN4PI7PXPKNQDZDR2SXRM","json":"https://pith.science/pith/DNBIASN4PI7PXPKNQDZDR2SXRM.json","graph_json":"https://pith.science/api/pith-number/DNBIASN4PI7PXPKNQDZDR2SXRM/graph.json","events_json":"https://pith.science/api/pith-number/DNBIASN4PI7PXPKNQDZDR2SXRM/events.json","paper":"https://pith.science/paper/DNBIASN4"},"agent_actions":{"view_html":"https://pith.science/pith/DNBIASN4PI7PXPKNQDZDR2SXRM","download_json":"https://pith.science/pith/DNBIASN4PI7PXPKNQDZDR2SXRM.json","view_paper":"https://pith.science/paper/DNBIASN4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.3867&json=true","fetch_graph":"https://pith.science/api/pith-number/DNBIASN4PI7PXPKNQDZDR2SXRM/graph.json","fetch_events":"https://pith.science/api/pith-number/DNBIASN4PI7PXPKNQDZDR2SXRM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DNBIASN4PI7PXPKNQDZDR2SXRM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DNBIASN4PI7PXPKNQDZDR2SXRM/action/storage_attestation","attest_author":"https://pith.science/pith/DNBIASN4PI7PXPKNQDZDR2SXRM/action/author_attestation","sign_citation":"https://pith.science/pith/DNBIASN4PI7PXPKNQDZDR2SXRM/action/citation_signature","submit_replication":"https://pith.science/pith/DNBIASN4PI7PXPKNQDZDR2SXRM/action/replication_record"}},"created_at":"2026-05-18T03:07:44.338220+00:00","updated_at":"2026-05-18T03:07:44.338220+00:00"}