{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:L5VV6BDSOPNISVH44S5L7IDMFO","short_pith_number":"pith:L5VV6BDS","canonical_record":{"source":{"id":"hep-th/9509092","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-09-16T17:22:27Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"dbc0516a6ca73a2cdb8f33a34e886936776fd99afb128f76f947b4f578c77dfa","abstract_canon_sha256":"74a7eb3a120b5806f82ae022c921c0cdd9729c78130fde0a72149ae46e734e3a"},"schema_version":"1.0"},"canonical_sha256":"5f6b5f047273da8954fce4babfa06c2bba2c0cb78afcb5ad62fb2af03e6fe0c2","source":{"kind":"arxiv","id":"hep-th/9509092","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9509092","created_at":"2026-05-18T04:35:16Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9509092v2","created_at":"2026-05-18T04:35:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9509092","created_at":"2026-05-18T04:35:16Z"},{"alias_kind":"pith_short_12","alias_value":"L5VV6BDSOPNI","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"L5VV6BDSOPNISVH4","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"L5VV6BDS","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:L5VV6BDSOPNISVH44S5L7IDMFO","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9509092","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-09-16T17:22:27Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"dbc0516a6ca73a2cdb8f33a34e886936776fd99afb128f76f947b4f578c77dfa","abstract_canon_sha256":"74a7eb3a120b5806f82ae022c921c0cdd9729c78130fde0a72149ae46e734e3a"},"schema_version":"1.0"},"canonical_sha256":"5f6b5f047273da8954fce4babfa06c2bba2c0cb78afcb5ad62fb2af03e6fe0c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:35:16.637057Z","signature_b64":"bj3WowzwQ8sLp0IyFe3cJA1gorTiSCJQmZCVTYXuWzbVFpROhEJvsBbD7c8M8WWn6OGLyDO+GtMLZxaktgTMCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f6b5f047273da8954fce4babfa06c2bba2c0cb78afcb5ad62fb2af03e6fe0c2","last_reissued_at":"2026-05-18T04:35:16.636503Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:35:16.636503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9509092","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:35:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3QaS8YfdoP6rj73m7opFv3HLddQOUS6sUInojYMBVWY0jG3O7L1zN/+WnxEjENLf9Yj6yqt8ZmY6yyoECG8aAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:09:42.037227Z"},"content_sha256":"50e362956fd8b45e66fdb80e1f7119c2e20d16e9691b1489d9c9da1a20d2ec68","schema_version":"1.0","event_id":"sha256:50e362956fd8b45e66fdb80e1f7119c2e20d16e9691b1489d9c9da1a20d2ec68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:L5VV6BDSOPNISVH44S5L7IDMFO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"From Principal Chiral Model to Self-dual Gravity","license":"","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"H. Garcia-Compean, Jerzy F. Plebanski, Maciej Przanowski","submitted_at":"1995-09-16T17:22:27Z","abstract_excerpt":"It is demonstrated that the action of SU$(N)$ principal chiral model leads in the limit $N \\to {\\infty}$ to the action for Husain's heavenly equation. The principal chiral model in the Hilbert space $L^2(\\Re^1)$ is considered and it is shown, that in this case the chiral equation is equivalent to the Moyal deformation of Husain's heavenly equation. New method of searching for solutions to this latter equation, via Lie algebra representations in $L^2(\\Re^1)$ is given."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9509092","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:35:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"emGBm7lOBmPOGdxf2UFsnLg+z6NstLszWwc2dZ+RS5v5dvNyO2zFej+oorSCeXyrusdusIESIIXuj0XWk6G/DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:09:42.037869Z"},"content_sha256":"dadd7adafa7a000e57de306115da8fbe9f1469dea5a42a9e0b01ad641d3348d2","schema_version":"1.0","event_id":"sha256:dadd7adafa7a000e57de306115da8fbe9f1469dea5a42a9e0b01ad641d3348d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L5VV6BDSOPNISVH44S5L7IDMFO/bundle.json","state_url":"https://pith.science/pith/L5VV6BDSOPNISVH44S5L7IDMFO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L5VV6BDSOPNISVH44S5L7IDMFO/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T09:09:42Z","links":{"resolver":"https://pith.science/pith/L5VV6BDSOPNISVH44S5L7IDMFO","bundle":"https://pith.science/pith/L5VV6BDSOPNISVH44S5L7IDMFO/bundle.json","state":"https://pith.science/pith/L5VV6BDSOPNISVH44S5L7IDMFO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L5VV6BDSOPNISVH44S5L7IDMFO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:L5VV6BDSOPNISVH44S5L7IDMFO","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"74a7eb3a120b5806f82ae022c921c0cdd9729c78130fde0a72149ae46e734e3a","cross_cats_sorted":["gr-qc"],"license":"","primary_cat":"hep-th","submitted_at":"1995-09-16T17:22:27Z","title_canon_sha256":"dbc0516a6ca73a2cdb8f33a34e886936776fd99afb128f76f947b4f578c77dfa"},"schema_version":"1.0","source":{"id":"hep-th/9509092","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9509092","created_at":"2026-05-18T04:35:16Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9509092v2","created_at":"2026-05-18T04:35:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9509092","created_at":"2026-05-18T04:35:16Z"},{"alias_kind":"pith_short_12","alias_value":"L5VV6BDSOPNI","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"L5VV6BDSOPNISVH4","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"L5VV6BDS","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:dadd7adafa7a000e57de306115da8fbe9f1469dea5a42a9e0b01ad641d3348d2","target":"graph","created_at":"2026-05-18T04:35:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"It is demonstrated that the action of SU$(N)$ principal chiral model leads in the limit $N \\to {\\infty}$ to the action for Husain's heavenly equation. The principal chiral model in the Hilbert space $L^2(\\Re^1)$ is considered and it is shown, that in this case the chiral equation is equivalent to the Moyal deformation of Husain's heavenly equation. New method of searching for solutions to this latter equation, via Lie algebra representations in $L^2(\\Re^1)$ is given.","authors_text":"H. Garcia-Compean, Jerzy F. Plebanski, Maciej Przanowski","cross_cats":["gr-qc"],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1995-09-16T17:22:27Z","title":"From Principal Chiral Model to Self-dual Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9509092","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:50e362956fd8b45e66fdb80e1f7119c2e20d16e9691b1489d9c9da1a20d2ec68","target":"record","created_at":"2026-05-18T04:35:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"74a7eb3a120b5806f82ae022c921c0cdd9729c78130fde0a72149ae46e734e3a","cross_cats_sorted":["gr-qc"],"license":"","primary_cat":"hep-th","submitted_at":"1995-09-16T17:22:27Z","title_canon_sha256":"dbc0516a6ca73a2cdb8f33a34e886936776fd99afb128f76f947b4f578c77dfa"},"schema_version":"1.0","source":{"id":"hep-th/9509092","kind":"arxiv","version":2}},"canonical_sha256":"5f6b5f047273da8954fce4babfa06c2bba2c0cb78afcb5ad62fb2af03e6fe0c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f6b5f047273da8954fce4babfa06c2bba2c0cb78afcb5ad62fb2af03e6fe0c2","first_computed_at":"2026-05-18T04:35:16.636503Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:35:16.636503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bj3WowzwQ8sLp0IyFe3cJA1gorTiSCJQmZCVTYXuWzbVFpROhEJvsBbD7c8M8WWn6OGLyDO+GtMLZxaktgTMCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:35:16.637057Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9509092","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50e362956fd8b45e66fdb80e1f7119c2e20d16e9691b1489d9c9da1a20d2ec68","sha256:dadd7adafa7a000e57de306115da8fbe9f1469dea5a42a9e0b01ad641d3348d2"],"state_sha256":"bd6cef93a1202b3093a538a7408127d1421186ef1617ff9300275eee85a43c40"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JO2kmN4Yp7u/3g9KJNFZ4E6fG/7vhJXQqYU0zQqPbCGAh0Jx6agSZqg19Gvxdy+WRl0QBQchcuyBdU8T8Kr9CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:09:42.041505Z","bundle_sha256":"f4e9fd132d49463b72b91fec8d7a426d5b2ae9922f403515def2c176a08fef6b"}}