{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:LALUVUYK2ERABUV5BR6UI47XX2","short_pith_number":"pith:LALUVUYK","schema_version":"1.0","canonical_sha256":"58174ad30ad12200d2bd0c7d4473f7beaf22ee812f3d608d5881b843d2c6feb2","source":{"kind":"arxiv","id":"2211.05306","version":2},"attestation_state":"computed","paper":{"title":"No Smooth Spacetime in Lorentzian Quantum Cosmology and Trans-Planckian Physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Atsushi Naruko, Hiroki Matsui, Shinji Mukohyama","submitted_at":"2022-11-10T02:57:16Z","abstract_excerpt":"In minisuperspace quantum cosmology, the Lorentzian path integral formulations of the no-boundary and tunneling proposals have recently been analyzed. But it has been pointed out that the wave function of linearized perturbations around a homogeneous and isotropic background is of an inverse Gaussian form and thus that their correlation functions are divergent. In this paper, we revisit this issue and consider the problem of perturbations in Lorentzian quantum cosmology by modifying the dispersion relation based on trans-Planckian physics. We consider two modified dispersion relations, the gen"},"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":"2211.05306","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-11-10T02:57:16Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"f19d420b0d59bcfa5ac29397aaaf13978612f64400294d7d2f87220f1f49dcc3","abstract_canon_sha256":"be17fa56a88d0d7d932de150a8f510cd0876cf316df84c11d5aea74b38dd20bd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:40:50.900035Z","signature_b64":"ooyuihQeGYfmc1FEi1xnsqlt7Oe0dIKoSl4H9KIEoK4bGZEtzIY7biO/OjVMH07f01eMq+v2bFlTJVeFWPyrCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58174ad30ad12200d2bd0c7d4473f7beaf22ee812f3d608d5881b843d2c6feb2","last_reissued_at":"2026-07-05T05:40:50.899567Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:40:50.899567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"No Smooth Spacetime in Lorentzian Quantum Cosmology and Trans-Planckian Physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Atsushi Naruko, Hiroki Matsui, Shinji Mukohyama","submitted_at":"2022-11-10T02:57:16Z","abstract_excerpt":"In minisuperspace quantum cosmology, the Lorentzian path integral formulations of the no-boundary and tunneling proposals have recently been analyzed. But it has been pointed out that the wave function of linearized perturbations around a homogeneous and isotropic background is of an inverse Gaussian form and thus that their correlation functions are divergent. In this paper, we revisit this issue and consider the problem of perturbations in Lorentzian quantum cosmology by modifying the dispersion relation based on trans-Planckian physics. We consider two modified dispersion relations, the gen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.05306","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/2211.05306/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":"2211.05306","created_at":"2026-07-05T05:40:50.899632+00:00"},{"alias_kind":"arxiv_version","alias_value":"2211.05306v2","created_at":"2026-07-05T05:40:50.899632+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.05306","created_at":"2026-07-05T05:40:50.899632+00:00"},{"alias_kind":"pith_short_12","alias_value":"LALUVUYK2ERA","created_at":"2026-07-05T05:40:50.899632+00:00"},{"alias_kind":"pith_short_16","alias_value":"LALUVUYK2ERABUV5","created_at":"2026-07-05T05:40:50.899632+00:00"},{"alias_kind":"pith_short_8","alias_value":"LALUVUYK","created_at":"2026-07-05T05:40:50.899632+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/LALUVUYK2ERABUV5BR6UI47XX2","json":"https://pith.science/pith/LALUVUYK2ERABUV5BR6UI47XX2.json","graph_json":"https://pith.science/api/pith-number/LALUVUYK2ERABUV5BR6UI47XX2/graph.json","events_json":"https://pith.science/api/pith-number/LALUVUYK2ERABUV5BR6UI47XX2/events.json","paper":"https://pith.science/paper/LALUVUYK"},"agent_actions":{"view_html":"https://pith.science/pith/LALUVUYK2ERABUV5BR6UI47XX2","download_json":"https://pith.science/pith/LALUVUYK2ERABUV5BR6UI47XX2.json","view_paper":"https://pith.science/paper/LALUVUYK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2211.05306&json=true","fetch_graph":"https://pith.science/api/pith-number/LALUVUYK2ERABUV5BR6UI47XX2/graph.json","fetch_events":"https://pith.science/api/pith-number/LALUVUYK2ERABUV5BR6UI47XX2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LALUVUYK2ERABUV5BR6UI47XX2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LALUVUYK2ERABUV5BR6UI47XX2/action/storage_attestation","attest_author":"https://pith.science/pith/LALUVUYK2ERABUV5BR6UI47XX2/action/author_attestation","sign_citation":"https://pith.science/pith/LALUVUYK2ERABUV5BR6UI47XX2/action/citation_signature","submit_replication":"https://pith.science/pith/LALUVUYK2ERABUV5BR6UI47XX2/action/replication_record"}},"created_at":"2026-07-05T05:40:50.899632+00:00","updated_at":"2026-07-05T05:40:50.899632+00:00"}