{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1992:PG4FG67JEBDGCZW4AYQC4MBT7E","short_pith_number":"pith:PG4FG67J","schema_version":"1.0","canonical_sha256":"79b8537be920466166dc06202e3033f93c57a54f090eaa0f8f9fb23e761b7538","source":{"kind":"arxiv","id":"hep-th/9210130","version":1},"attestation_state":"computed","paper":{"title":"The Algebra of the Energy-Momentum Tensor and the Noether Currents in Classical Non-Linear Sigma Models","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"J.Laartz, M.Forger, U.Schaeper","submitted_at":"1992-10-23T21:59:33Z","abstract_excerpt":"The recently derived current algebra of classical non-linear sigma models on arbitrary Riemannian manifolds is extended to include the energy-momentum tensor. It is found that in two dimensions the energy-momentum tensor $\\theta_{\\mu\\nu}$, the Noether current $j_\\mu$ associated with the global symmetry of the theory and the composite field $j$ appearing as the coefficient of the Schwinger term in the current algebra, together with the derivatives of $j_\\mu$ and $j$, generate a closed algebra. The subalgebra generated by the light-cone components of the energy-momentum tensor consists of two co"},"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/9210130","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1992-10-23T21:59:33Z","cross_cats_sorted":[],"title_canon_sha256":"4aa596073d1e217dca00f7075f6843d224fb75cd1e176ed160cae973a7abfeca","abstract_canon_sha256":"df4e5cf7019e534852346b3da6ec1feb3e093c40039250e2f65e985ff9e9f6f7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:43.219233Z","signature_b64":"KwaXNWPy3BXrloFbrL7QLG7f59D16e2ROF5BEiCgXDnSCk5GhPW6d14bbdc5xAq2kmzdHtUmSvIXjwvuQT4FDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79b8537be920466166dc06202e3033f93c57a54f090eaa0f8f9fb23e761b7538","last_reissued_at":"2026-05-18T01:38:43.218812Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:43.218812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Algebra of the Energy-Momentum Tensor and the Noether Currents in Classical Non-Linear Sigma Models","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"J.Laartz, M.Forger, U.Schaeper","submitted_at":"1992-10-23T21:59:33Z","abstract_excerpt":"The recently derived current algebra of classical non-linear sigma models on arbitrary Riemannian manifolds is extended to include the energy-momentum tensor. It is found that in two dimensions the energy-momentum tensor $\\theta_{\\mu\\nu}$, the Noether current $j_\\mu$ associated with the global symmetry of the theory and the composite field $j$ appearing as the coefficient of the Schwinger term in the current algebra, together with the derivatives of $j_\\mu$ and $j$, generate a closed algebra. The subalgebra generated by the light-cone components of the energy-momentum tensor consists of two co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9210130","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/9210130","created_at":"2026-05-18T01:38:43.218879+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9210130v1","created_at":"2026-05-18T01:38:43.218879+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9210130","created_at":"2026-05-18T01:38:43.218879+00:00"},{"alias_kind":"pith_short_12","alias_value":"PG4FG67JEBDG","created_at":"2026-05-18T12:25:47.102015+00:00"},{"alias_kind":"pith_short_16","alias_value":"PG4FG67JEBDGCZW4","created_at":"2026-05-18T12:25:47.102015+00:00"},{"alias_kind":"pith_short_8","alias_value":"PG4FG67J","created_at":"2026-05-18T12:25:47.102015+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.18213","citing_title":"The classical Yangian symmetry of Auxiliary Field Sigma Models","ref_index":114,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PG4FG67JEBDGCZW4AYQC4MBT7E","json":"https://pith.science/pith/PG4FG67JEBDGCZW4AYQC4MBT7E.json","graph_json":"https://pith.science/api/pith-number/PG4FG67JEBDGCZW4AYQC4MBT7E/graph.json","events_json":"https://pith.science/api/pith-number/PG4FG67JEBDGCZW4AYQC4MBT7E/events.json","paper":"https://pith.science/paper/PG4FG67J"},"agent_actions":{"view_html":"https://pith.science/pith/PG4FG67JEBDGCZW4AYQC4MBT7E","download_json":"https://pith.science/pith/PG4FG67JEBDGCZW4AYQC4MBT7E.json","view_paper":"https://pith.science/paper/PG4FG67J","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-th/9210130&json=true","fetch_graph":"https://pith.science/api/pith-number/PG4FG67JEBDGCZW4AYQC4MBT7E/graph.json","fetch_events":"https://pith.science/api/pith-number/PG4FG67JEBDGCZW4AYQC4MBT7E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PG4FG67JEBDGCZW4AYQC4MBT7E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PG4FG67JEBDGCZW4AYQC4MBT7E/action/storage_attestation","attest_author":"https://pith.science/pith/PG4FG67JEBDGCZW4AYQC4MBT7E/action/author_attestation","sign_citation":"https://pith.science/pith/PG4FG67JEBDGCZW4AYQC4MBT7E/action/citation_signature","submit_replication":"https://pith.science/pith/PG4FG67JEBDGCZW4AYQC4MBT7E/action/replication_record"}},"created_at":"2026-05-18T01:38:43.218879+00:00","updated_at":"2026-05-18T01:38:43.218879+00:00"}