{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:ZMHBSC4Z3ITIAYLYRTCXK3Q67O","short_pith_number":"pith:ZMHBSC4Z","schema_version":"1.0","canonical_sha256":"cb0e190b99da268061788cc5756e1efbbe4f7e60293b3625ab3e6b8ef508998f","source":{"kind":"arxiv","id":"1311.0220","version":2},"attestation_state":"computed","paper":{"title":"Kaluza-Klein multidimensional models with Ricci-flat internal spaces: the absence of the KK particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Alexander Zhuk, Alexey Chopovsky, Maxim Eingorn","submitted_at":"2013-10-31T14:36:42Z","abstract_excerpt":"In this paper we consider a multidimensional Kaluza-Klein (KK) model with a Ricci-flat internal space, e.g., a Calabi-Yau manifold. We perturb this background metrics by a system of gravitating masses, e.g., astrophysical objects such as our Sun. We suppose that these masses are pressureless in the external space but they have relativistic pressure in the internal space. We show that metric perturbations do not depend on coordinates of the internal space and gravitating masses should be uniformly smeared over the internal space. This means, first, that KK modes corresponding to the metric fluc"},"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":"1311.0220","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-10-31T14:36:42Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"5da545bf6f5c033ea138900eaa712b2f731eeeb2923bd004c4e41e4e940a2961","abstract_canon_sha256":"07067c18758db37c2cdf95e6c8af93b2513047016883103874e387952009d330"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:56.844555Z","signature_b64":"X+sBLHGRQimQe9Zl/ZheZKRQQiRHNIFJR5UIy607FyaVzhOToCCIVIhEwv4Lal6/4PtvuvQcDDymkVDabXGkCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb0e190b99da268061788cc5756e1efbbe4f7e60293b3625ab3e6b8ef508998f","last_reissued_at":"2026-05-18T03:02:56.843799Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:56.843799Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Kaluza-Klein multidimensional models with Ricci-flat internal spaces: the absence of the KK particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Alexander Zhuk, Alexey Chopovsky, Maxim Eingorn","submitted_at":"2013-10-31T14:36:42Z","abstract_excerpt":"In this paper we consider a multidimensional Kaluza-Klein (KK) model with a Ricci-flat internal space, e.g., a Calabi-Yau manifold. We perturb this background metrics by a system of gravitating masses, e.g., astrophysical objects such as our Sun. We suppose that these masses are pressureless in the external space but they have relativistic pressure in the internal space. We show that metric perturbations do not depend on coordinates of the internal space and gravitating masses should be uniformly smeared over the internal space. This means, first, that KK modes corresponding to the metric fluc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0220","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":"1311.0220","created_at":"2026-05-18T03:02:56.843913+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.0220v2","created_at":"2026-05-18T03:02:56.843913+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0220","created_at":"2026-05-18T03:02:56.843913+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZMHBSC4Z3ITI","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZMHBSC4Z3ITIAYLY","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZMHBSC4Z","created_at":"2026-05-18T12:28:09.283467+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/ZMHBSC4Z3ITIAYLYRTCXK3Q67O","json":"https://pith.science/pith/ZMHBSC4Z3ITIAYLYRTCXK3Q67O.json","graph_json":"https://pith.science/api/pith-number/ZMHBSC4Z3ITIAYLYRTCXK3Q67O/graph.json","events_json":"https://pith.science/api/pith-number/ZMHBSC4Z3ITIAYLYRTCXK3Q67O/events.json","paper":"https://pith.science/paper/ZMHBSC4Z"},"agent_actions":{"view_html":"https://pith.science/pith/ZMHBSC4Z3ITIAYLYRTCXK3Q67O","download_json":"https://pith.science/pith/ZMHBSC4Z3ITIAYLYRTCXK3Q67O.json","view_paper":"https://pith.science/paper/ZMHBSC4Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.0220&json=true","fetch_graph":"https://pith.science/api/pith-number/ZMHBSC4Z3ITIAYLYRTCXK3Q67O/graph.json","fetch_events":"https://pith.science/api/pith-number/ZMHBSC4Z3ITIAYLYRTCXK3Q67O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZMHBSC4Z3ITIAYLYRTCXK3Q67O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZMHBSC4Z3ITIAYLYRTCXK3Q67O/action/storage_attestation","attest_author":"https://pith.science/pith/ZMHBSC4Z3ITIAYLYRTCXK3Q67O/action/author_attestation","sign_citation":"https://pith.science/pith/ZMHBSC4Z3ITIAYLYRTCXK3Q67O/action/citation_signature","submit_replication":"https://pith.science/pith/ZMHBSC4Z3ITIAYLYRTCXK3Q67O/action/replication_record"}},"created_at":"2026-05-18T03:02:56.843913+00:00","updated_at":"2026-05-18T03:02:56.843913+00:00"}