{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:YXF3OOPH2IJHQDKE7MNEYMAIER","short_pith_number":"pith:YXF3OOPH","schema_version":"1.0","canonical_sha256":"c5cbb739e7d212780d44fb1a4c3008246b9fb3eb923d7b647c4b967f017bff08","source":{"kind":"arxiv","id":"hep-th/0406141","version":2},"attestation_state":"computed","paper":{"title":"Can codimension-two branes solve the cosmological constant problem?","license":"","headline":"","cross_cats":["astro-ph","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"James M. Cline, J\\'er\\'emie Vinet","submitted_at":"2004-06-16T19:51:41Z","abstract_excerpt":"It has been suggested that codimension-two braneworlds might naturally explain the vanishing of the 4D effective cosmological constant, due to the automatic relation between the deficit angle and the brane tension. To investigate whether this cancellation happens dynamically, and within the context of a realistic cosmology, we study a codimension-two braneworld with spherical extra dimensions compactified by magnetic flux. Assuming Einstein gravity, we show that when the brane contains matter with an arbitrary equation of state, the 4D metric components are not regular at the brane, unless the"},"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":"hep-th/0406141","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2004-06-16T19:51:41Z","cross_cats_sorted":["astro-ph","gr-qc","hep-ph"],"title_canon_sha256":"7891eb756a33278a4dfb75e2f08456acf665ed5a88f3dbb04584ca80cd0c842e","abstract_canon_sha256":"63475365a06149db22a4ba2bb07982b07aff56a4efbfd7789c597b2c9a00a23a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:17:49.652225Z","signature_b64":"mOCJiKSDSr9ZYPFYgVkZgzOE0HZvdWOyLrcrXejDqPZWJIN9s7r8zRrB+xUdIirIlTu/2vnswQKXLuy2AAkaBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5cbb739e7d212780d44fb1a4c3008246b9fb3eb923d7b647c4b967f017bff08","last_reissued_at":"2026-07-04T15:17:49.651854Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:17:49.651854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Can codimension-two branes solve the cosmological constant problem?","license":"","headline":"","cross_cats":["astro-ph","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"James M. Cline, J\\'er\\'emie Vinet","submitted_at":"2004-06-16T19:51:41Z","abstract_excerpt":"It has been suggested that codimension-two braneworlds might naturally explain the vanishing of the 4D effective cosmological constant, due to the automatic relation between the deficit angle and the brane tension. To investigate whether this cancellation happens dynamically, and within the context of a realistic cosmology, we study a codimension-two braneworld with spherical extra dimensions compactified by magnetic flux. Assuming Einstein gravity, we show that when the brane contains matter with an arbitrary equation of state, the 4D metric components are not regular at the brane, unless the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0406141","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/hep-th/0406141/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":"hep-th/0406141","created_at":"2026-07-04T15:17:49.651905+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0406141v2","created_at":"2026-07-04T15:17:49.651905+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0406141","created_at":"2026-07-04T15:17:49.651905+00:00"},{"alias_kind":"pith_short_12","alias_value":"YXF3OOPH2IJH","created_at":"2026-07-04T15:17:49.651905+00:00"},{"alias_kind":"pith_short_16","alias_value":"YXF3OOPH2IJHQDKE","created_at":"2026-07-04T15:17:49.651905+00:00"},{"alias_kind":"pith_short_8","alias_value":"YXF3OOPH","created_at":"2026-07-04T15:17:49.651905+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.13736","citing_title":"Response of Kaluza-Klein mass spectrum to deformations of rugby-ball compact space","ref_index":18,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YXF3OOPH2IJHQDKE7MNEYMAIER","json":"https://pith.science/pith/YXF3OOPH2IJHQDKE7MNEYMAIER.json","graph_json":"https://pith.science/api/pith-number/YXF3OOPH2IJHQDKE7MNEYMAIER/graph.json","events_json":"https://pith.science/api/pith-number/YXF3OOPH2IJHQDKE7MNEYMAIER/events.json","paper":"https://pith.science/paper/YXF3OOPH"},"agent_actions":{"view_html":"https://pith.science/pith/YXF3OOPH2IJHQDKE7MNEYMAIER","download_json":"https://pith.science/pith/YXF3OOPH2IJHQDKE7MNEYMAIER.json","view_paper":"https://pith.science/paper/YXF3OOPH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-th/0406141&json=true","fetch_graph":"https://pith.science/api/pith-number/YXF3OOPH2IJHQDKE7MNEYMAIER/graph.json","fetch_events":"https://pith.science/api/pith-number/YXF3OOPH2IJHQDKE7MNEYMAIER/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YXF3OOPH2IJHQDKE7MNEYMAIER/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YXF3OOPH2IJHQDKE7MNEYMAIER/action/storage_attestation","attest_author":"https://pith.science/pith/YXF3OOPH2IJHQDKE7MNEYMAIER/action/author_attestation","sign_citation":"https://pith.science/pith/YXF3OOPH2IJHQDKE7MNEYMAIER/action/citation_signature","submit_replication":"https://pith.science/pith/YXF3OOPH2IJHQDKE7MNEYMAIER/action/replication_record"}},"created_at":"2026-07-04T15:17:49.651905+00:00","updated_at":"2026-07-04T15:17:49.651905+00:00"}