{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:BTTLJXYA4OLD7BFSSHG73LWWBW","short_pith_number":"pith:BTTLJXYA","schema_version":"1.0","canonical_sha256":"0ce6b4df00e3963f84b291cdfdaed60da688e96bfba04ea5b216d3121c9cb3a7","source":{"kind":"arxiv","id":"1206.2983","version":2},"attestation_state":"computed","paper":{"title":"Hamiltonian description of singular Lagrangian systems with spontaneously broken time translation symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Liu Zhao, Pengfei Yu, Wei Xu","submitted_at":"2012-06-14T01:17:31Z","abstract_excerpt":"Shapere and Wilczek recently found some singular Lagrangian systems which spontaneously breaks time translation symmetry. The common feature of their models is that the energy functions are multivalued in terms of the canonical phase space variables and the symmetry breaking ground states are all located at the brunching point singularities. By enlarging the phase space and making use of Dirac's theory on constrained Hamiltonian systems, we present the Hamiltonian description of some of the models discussed by Shapere and Wilczek and found that both the multivaluedness and the brunching point "},"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":"1206.2983","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-06-14T01:17:31Z","cross_cats_sorted":[],"title_canon_sha256":"da8528aa396c033844130eea82058cd8ababba78a06f65711624d3e39a43a311","abstract_canon_sha256":"a4e242e21b0ffca078e70b9c035da01286509fec6fcbb1bdf937cab3125f0322"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:04.490304Z","signature_b64":"XKrOrKXA5Hr5Ibq36DCXb2TffDaaPhgoQgzvxXumVPYlAQX9qg2D77aw1zSemxClux7fbalWV7sDcJeQ7Ha4BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ce6b4df00e3963f84b291cdfdaed60da688e96bfba04ea5b216d3121c9cb3a7","last_reissued_at":"2026-05-18T03:36:04.489846Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:04.489846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hamiltonian description of singular Lagrangian systems with spontaneously broken time translation symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Liu Zhao, Pengfei Yu, Wei Xu","submitted_at":"2012-06-14T01:17:31Z","abstract_excerpt":"Shapere and Wilczek recently found some singular Lagrangian systems which spontaneously breaks time translation symmetry. The common feature of their models is that the energy functions are multivalued in terms of the canonical phase space variables and the symmetry breaking ground states are all located at the brunching point singularities. By enlarging the phase space and making use of Dirac's theory on constrained Hamiltonian systems, we present the Hamiltonian description of some of the models discussed by Shapere and Wilczek and found that both the multivaluedness and the brunching point "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.2983","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":"1206.2983","created_at":"2026-05-18T03:36:04.489914+00:00"},{"alias_kind":"arxiv_version","alias_value":"1206.2983v2","created_at":"2026-05-18T03:36:04.489914+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.2983","created_at":"2026-05-18T03:36:04.489914+00:00"},{"alias_kind":"pith_short_12","alias_value":"BTTLJXYA4OLD","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_16","alias_value":"BTTLJXYA4OLD7BFS","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_8","alias_value":"BTTLJXYA","created_at":"2026-05-18T12:27:01.376967+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/BTTLJXYA4OLD7BFSSHG73LWWBW","json":"https://pith.science/pith/BTTLJXYA4OLD7BFSSHG73LWWBW.json","graph_json":"https://pith.science/api/pith-number/BTTLJXYA4OLD7BFSSHG73LWWBW/graph.json","events_json":"https://pith.science/api/pith-number/BTTLJXYA4OLD7BFSSHG73LWWBW/events.json","paper":"https://pith.science/paper/BTTLJXYA"},"agent_actions":{"view_html":"https://pith.science/pith/BTTLJXYA4OLD7BFSSHG73LWWBW","download_json":"https://pith.science/pith/BTTLJXYA4OLD7BFSSHG73LWWBW.json","view_paper":"https://pith.science/paper/BTTLJXYA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1206.2983&json=true","fetch_graph":"https://pith.science/api/pith-number/BTTLJXYA4OLD7BFSSHG73LWWBW/graph.json","fetch_events":"https://pith.science/api/pith-number/BTTLJXYA4OLD7BFSSHG73LWWBW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BTTLJXYA4OLD7BFSSHG73LWWBW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BTTLJXYA4OLD7BFSSHG73LWWBW/action/storage_attestation","attest_author":"https://pith.science/pith/BTTLJXYA4OLD7BFSSHG73LWWBW/action/author_attestation","sign_citation":"https://pith.science/pith/BTTLJXYA4OLD7BFSSHG73LWWBW/action/citation_signature","submit_replication":"https://pith.science/pith/BTTLJXYA4OLD7BFSSHG73LWWBW/action/replication_record"}},"created_at":"2026-05-18T03:36:04.489914+00:00","updated_at":"2026-05-18T03:36:04.489914+00:00"}