{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1994:HFRLZQMUTX6YBFB4WE4VIKTVKQ","short_pith_number":"pith:HFRLZQMU","schema_version":"1.0","canonical_sha256":"3962bcc1949dfd80943cb139542a75540ce56b1563fd301ae94eb5c327238134","source":{"kind":"arxiv","id":"gr-qc/9405020","version":1},"attestation_state":"computed","paper":{"title":"Multidimensional Classical and Quantum Wormholes in Models with Cosmological Constant","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"A. Zhuk, U. Bleyer, V. D. Ivashchuk, V. N. Melnikov","submitted_at":"1994-05-06T13:44:36Z","abstract_excerpt":"A multidimensional cosmological model with space-time consisting of $n (n \\ge 2)$ Einstein spaces $M_{i}$ is investigated in the presence of a cosmological constant $\\Lambda$ and a homogeneous minimally coupled scalar field $\\varphi(t)$ as a matter source. Classical and quantum wormhole solutions are obtained for $\\Lambda < 0$ and all $M_{i}$ being Ricci-flat. Classical wormhole solutions are also found for $\\Lambda < 0$ and only one of the $M_{i}$ being Ricci-flat for the case of spontaneous compactification of the internal dimensions with fine tuning of parameters."},"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":"gr-qc/9405020","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1994-05-06T13:44:36Z","cross_cats_sorted":[],"title_canon_sha256":"fe34f73cefe6d61ad64d4672b381dcd260e6fdcfe8f7b180c1003df59d5ad765","abstract_canon_sha256":"d7d6c231a381833d1c499e97f0073dad0bb205af94344ceee590a5e38301b878"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:56:54.481632Z","signature_b64":"HZ/AJsLJsyB/Eo02HRI2AyO661PwKxabdjugl6/xrzsQEysZeWeU1W6AZCNKPt+TTek2/YGEcCSm9G5SE3f4CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3962bcc1949dfd80943cb139542a75540ce56b1563fd301ae94eb5c327238134","last_reissued_at":"2026-07-04T15:56:54.481179Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:56:54.481179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multidimensional Classical and Quantum Wormholes in Models with Cosmological Constant","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"A. Zhuk, U. Bleyer, V. D. Ivashchuk, V. N. Melnikov","submitted_at":"1994-05-06T13:44:36Z","abstract_excerpt":"A multidimensional cosmological model with space-time consisting of $n (n \\ge 2)$ Einstein spaces $M_{i}$ is investigated in the presence of a cosmological constant $\\Lambda$ and a homogeneous minimally coupled scalar field $\\varphi(t)$ as a matter source. Classical and quantum wormhole solutions are obtained for $\\Lambda < 0$ and all $M_{i}$ being Ricci-flat. Classical wormhole solutions are also found for $\\Lambda < 0$ and only one of the $M_{i}$ being Ricci-flat for the case of spontaneous compactification of the internal dimensions with fine tuning of parameters."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9405020","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/gr-qc/9405020/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":"gr-qc/9405020","created_at":"2026-07-04T15:56:54.481251+00:00"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9405020v1","created_at":"2026-07-04T15:56:54.481251+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9405020","created_at":"2026-07-04T15:56:54.481251+00:00"},{"alias_kind":"pith_short_12","alias_value":"HFRLZQMUTX6Y","created_at":"2026-07-04T15:56:54.481251+00:00"},{"alias_kind":"pith_short_16","alias_value":"HFRLZQMUTX6YBFB4","created_at":"2026-07-04T15:56:54.481251+00:00"},{"alias_kind":"pith_short_8","alias_value":"HFRLZQMU","created_at":"2026-07-04T15:56:54.481251+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.02109","citing_title":"Role of internal space correlations in the dynamics of a higher-dimensional Bianchi type-I universe: shear scalar and Hubble parameter perspectives","ref_index":81,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ","json":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ.json","graph_json":"https://pith.science/api/pith-number/HFRLZQMUTX6YBFB4WE4VIKTVKQ/graph.json","events_json":"https://pith.science/api/pith-number/HFRLZQMUTX6YBFB4WE4VIKTVKQ/events.json","paper":"https://pith.science/paper/HFRLZQMU"},"agent_actions":{"view_html":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ","download_json":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ.json","view_paper":"https://pith.science/paper/HFRLZQMU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=gr-qc/9405020&json=true","fetch_graph":"https://pith.science/api/pith-number/HFRLZQMUTX6YBFB4WE4VIKTVKQ/graph.json","fetch_events":"https://pith.science/api/pith-number/HFRLZQMUTX6YBFB4WE4VIKTVKQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/action/storage_attestation","attest_author":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/action/author_attestation","sign_citation":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/action/citation_signature","submit_replication":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/action/replication_record"}},"created_at":"2026-07-04T15:56:54.481251+00:00","updated_at":"2026-07-04T15:56:54.481251+00:00"}