{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:5BWCTKMX77ALSVWHNPZNUDTEGA","short_pith_number":"pith:5BWCTKMX","schema_version":"1.0","canonical_sha256":"e86c29a997ffc0b956c76bf2da0e6430247976deae05d17d9e7470ce477e37a9","source":{"kind":"arxiv","id":"1111.4863","version":1},"attestation_state":"computed","paper":{"title":"Cosmic Strings Stabilized by Fermion Fluctuations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"H. Weigel, M. Quandt, N. Graham","submitted_at":"2011-11-21T13:19:48Z","abstract_excerpt":"We provide a thorough exposition of recent results on the quantum stabilization of cosmic strings. Stabilization occurs through the coupling to a heavy fermion doublet in a reduced version of the standard model. The study combines the vacuum polarization energy of fermion zero-point fluctuations and the binding energy of occupied energy levels, which are of the same order in a semi-classical expansion. Populating these bound states assigns a charge to the string. Strings carrying fermion charge become stable if the Higgs and gauge fields are coupled to a fermion that is less than twice as heav"},"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":"1111.4863","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-11-21T13:19:48Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"dcffc7c160e989ed4b41689548e7884219abbc6ff1ee11de29b862a4ed85f60c","abstract_canon_sha256":"9a085481eb307aef7b21a7eefe3d8c55a5b4d404412434288bdea62236933b2d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:53:31.644311Z","signature_b64":"hNrjI/fU2V7DDrjeGvJn7ZALwbqaG3kZ64h1eVY2mm7ZxiA91ARgDPPRUHtEBF5SzqYmd+QCJXHJQqYHT/+AAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e86c29a997ffc0b956c76bf2da0e6430247976deae05d17d9e7470ce477e37a9","last_reissued_at":"2026-05-18T03:53:31.643659Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:53:31.643659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmic Strings Stabilized by Fermion Fluctuations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"H. Weigel, M. Quandt, N. Graham","submitted_at":"2011-11-21T13:19:48Z","abstract_excerpt":"We provide a thorough exposition of recent results on the quantum stabilization of cosmic strings. Stabilization occurs through the coupling to a heavy fermion doublet in a reduced version of the standard model. The study combines the vacuum polarization energy of fermion zero-point fluctuations and the binding energy of occupied energy levels, which are of the same order in a semi-classical expansion. Populating these bound states assigns a charge to the string. Strings carrying fermion charge become stable if the Higgs and gauge fields are coupled to a fermion that is less than twice as heav"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.4863","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":""},"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":"1111.4863","created_at":"2026-05-18T03:53:31.643765+00:00"},{"alias_kind":"arxiv_version","alias_value":"1111.4863v1","created_at":"2026-05-18T03:53:31.643765+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.4863","created_at":"2026-05-18T03:53:31.643765+00:00"},{"alias_kind":"pith_short_12","alias_value":"5BWCTKMX77AL","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_16","alias_value":"5BWCTKMX77ALSVWH","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_8","alias_value":"5BWCTKMX","created_at":"2026-05-18T12:26:20.644004+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/5BWCTKMX77ALSVWHNPZNUDTEGA","json":"https://pith.science/pith/5BWCTKMX77ALSVWHNPZNUDTEGA.json","graph_json":"https://pith.science/api/pith-number/5BWCTKMX77ALSVWHNPZNUDTEGA/graph.json","events_json":"https://pith.science/api/pith-number/5BWCTKMX77ALSVWHNPZNUDTEGA/events.json","paper":"https://pith.science/paper/5BWCTKMX"},"agent_actions":{"view_html":"https://pith.science/pith/5BWCTKMX77ALSVWHNPZNUDTEGA","download_json":"https://pith.science/pith/5BWCTKMX77ALSVWHNPZNUDTEGA.json","view_paper":"https://pith.science/paper/5BWCTKMX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1111.4863&json=true","fetch_graph":"https://pith.science/api/pith-number/5BWCTKMX77ALSVWHNPZNUDTEGA/graph.json","fetch_events":"https://pith.science/api/pith-number/5BWCTKMX77ALSVWHNPZNUDTEGA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5BWCTKMX77ALSVWHNPZNUDTEGA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5BWCTKMX77ALSVWHNPZNUDTEGA/action/storage_attestation","attest_author":"https://pith.science/pith/5BWCTKMX77ALSVWHNPZNUDTEGA/action/author_attestation","sign_citation":"https://pith.science/pith/5BWCTKMX77ALSVWHNPZNUDTEGA/action/citation_signature","submit_replication":"https://pith.science/pith/5BWCTKMX77ALSVWHNPZNUDTEGA/action/replication_record"}},"created_at":"2026-05-18T03:53:31.643765+00:00","updated_at":"2026-05-18T03:53:31.643765+00:00"}