{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:S52VXQOTGCYYC4NZPFBLJ2I3HV","short_pith_number":"pith:S52VXQOT","schema_version":"1.0","canonical_sha256":"97755bc1d330b18171b97942b4e91b3d4de5a6c9dac7c367d4aaf6032fa518e5","source":{"kind":"arxiv","id":"hep-th/9906019","version":1},"attestation_state":"computed","paper":{"title":"BFT Embedding of Second-Class Systems","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"H. O. Girotti (Instituto de F\\'isica - UFRGS), M. Fleck","submitted_at":"1999-06-02T19:37:49Z","abstract_excerpt":"The embedding procedure of Batalin, Fradkin, and Tyutin, which allows to convert a second-class system into first-class, is pushed beyond the formal level. We explicitly construct, in all cases, the variables of the converted first-class theory in terms of those of the corresponding second-class one. Moreover, we only conclude about the equivalence between these two different kind of theories after compairing their respective spectra of excitations."},"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/9906019","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1999-06-02T19:37:49Z","cross_cats_sorted":[],"title_canon_sha256":"a34b1af889b821cd10c495091d33c6662808179977569f4e10bd26e00d2ea8d8","abstract_canon_sha256":"91eabd7a4b571cbe2d2bdfbaac5386e5f2ce1f637f99f282ce1db83fbdd0823f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:54.382632Z","signature_b64":"Mh4S+hFkhM+JmyLle8Eng7OUNd8uTiUNf0DWJpUlNLfLq5BB1jSza2yDFvrfHIPLollb8NJGqlJhS1LxzK8jBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97755bc1d330b18171b97942b4e91b3d4de5a6c9dac7c367d4aaf6032fa518e5","last_reissued_at":"2026-05-18T02:35:54.382042Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:54.382042Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"BFT Embedding of Second-Class Systems","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"H. O. Girotti (Instituto de F\\'isica - UFRGS), M. Fleck","submitted_at":"1999-06-02T19:37:49Z","abstract_excerpt":"The embedding procedure of Batalin, Fradkin, and Tyutin, which allows to convert a second-class system into first-class, is pushed beyond the formal level. We explicitly construct, in all cases, the variables of the converted first-class theory in terms of those of the corresponding second-class one. Moreover, we only conclude about the equivalence between these two different kind of theories after compairing their respective spectra of excitations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9906019","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":"hep-th/9906019","created_at":"2026-05-18T02:35:54.382129+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9906019v1","created_at":"2026-05-18T02:35:54.382129+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9906019","created_at":"2026-05-18T02:35:54.382129+00:00"},{"alias_kind":"pith_short_12","alias_value":"S52VXQOTGCYY","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_16","alias_value":"S52VXQOTGCYYC4NZ","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_8","alias_value":"S52VXQOT","created_at":"2026-05-18T12:25:49.631198+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/S52VXQOTGCYYC4NZPFBLJ2I3HV","json":"https://pith.science/pith/S52VXQOTGCYYC4NZPFBLJ2I3HV.json","graph_json":"https://pith.science/api/pith-number/S52VXQOTGCYYC4NZPFBLJ2I3HV/graph.json","events_json":"https://pith.science/api/pith-number/S52VXQOTGCYYC4NZPFBLJ2I3HV/events.json","paper":"https://pith.science/paper/S52VXQOT"},"agent_actions":{"view_html":"https://pith.science/pith/S52VXQOTGCYYC4NZPFBLJ2I3HV","download_json":"https://pith.science/pith/S52VXQOTGCYYC4NZPFBLJ2I3HV.json","view_paper":"https://pith.science/paper/S52VXQOT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-th/9906019&json=true","fetch_graph":"https://pith.science/api/pith-number/S52VXQOTGCYYC4NZPFBLJ2I3HV/graph.json","fetch_events":"https://pith.science/api/pith-number/S52VXQOTGCYYC4NZPFBLJ2I3HV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S52VXQOTGCYYC4NZPFBLJ2I3HV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S52VXQOTGCYYC4NZPFBLJ2I3HV/action/storage_attestation","attest_author":"https://pith.science/pith/S52VXQOTGCYYC4NZPFBLJ2I3HV/action/author_attestation","sign_citation":"https://pith.science/pith/S52VXQOTGCYYC4NZPFBLJ2I3HV/action/citation_signature","submit_replication":"https://pith.science/pith/S52VXQOTGCYYC4NZPFBLJ2I3HV/action/replication_record"}},"created_at":"2026-05-18T02:35:54.382129+00:00","updated_at":"2026-05-18T02:35:54.382129+00:00"}