{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:VAGWKPMRF3GIICAWCMV4TEUFDU","short_pith_number":"pith:VAGWKPMR","canonical_record":{"source":{"id":"1109.0872","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-05T12:24:00Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"dfffec92f0f07999cc5852db9c1ef2d4e7bddaa0244b6e274a7d6b3ccc273083","abstract_canon_sha256":"bab309c5060e4ced1da46a0f68cf9d0c06506ee4c5be28c0629c72c1d2020456"},"schema_version":"1.0"},"canonical_sha256":"a80d653d912ecc840816132bc992851d3e460c85d58304a82e320b5b89acab36","source":{"kind":"arxiv","id":"1109.0872","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0872","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0872v2","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0872","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"VAGWKPMRF3GI","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"VAGWKPMRF3GIICAW","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"VAGWKPMR","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:VAGWKPMRF3GIICAWCMV4TEUFDU","target":"record","payload":{"canonical_record":{"source":{"id":"1109.0872","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-05T12:24:00Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"dfffec92f0f07999cc5852db9c1ef2d4e7bddaa0244b6e274a7d6b3ccc273083","abstract_canon_sha256":"bab309c5060e4ced1da46a0f68cf9d0c06506ee4c5be28c0629c72c1d2020456"},"schema_version":"1.0"},"canonical_sha256":"a80d653d912ecc840816132bc992851d3e460c85d58304a82e320b5b89acab36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:39.860793Z","signature_b64":"RHDfOVWB+mE4frKp1frH9FiT1G3xFC+PGcn3URoTxvZO9rc3PUQmKa5yJ+bpzk4x3+sofwXUvQgesdX/WKNkCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a80d653d912ecc840816132bc992851d3e460c85d58304a82e320b5b89acab36","last_reissued_at":"2026-05-18T02:00:39.860060Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:39.860060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.0872","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":"2026-05-18T02:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OzZOR5ybh/tR7kQzouCH4yPD6Mc07DSr973PtL7CDt84MQQ5cy4+a6mrS3ywsEq/b5nR2VNaGYVvJ/GyaYR6Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:11:20.452005Z"},"content_sha256":"466eb2d013e6e797e73397cd486cb7cfee9cf1cbb47f51f9caae87950131aee1","schema_version":"1.0","event_id":"sha256:466eb2d013e6e797e73397cd486cb7cfee9cf1cbb47f51f9caae87950131aee1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:VAGWKPMRF3GIICAWCMV4TEUFDU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Classical integrability of Schrodinger sigma models and q-deformed Poincare symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"Io Kawaguchi, Kentaroh Yoshida","submitted_at":"2011-09-05T12:24:00Z","abstract_excerpt":"We discuss classical integrable structure of two-dimensional sigma models which have three-dimensional Schrodinger spacetimes as target spaces. The Schrodinger spacetimes are regarded as null-like deformations of AdS_3. The original AdS_3 isometry SL(2,R)_L x SL(2,R)_R is broken to SL(2,R)_L x U(1)_R due to the deformation. According to this symmetry, there are two descriptions to describe the classical dynamics of the system, 1) the SL(2,R)_L description and 2) the enhanced U(1)_R description. In the former 1), we show that the Yangian symmetry is realized by improving the SL(2,R)_L Noether c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0872","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":"2026-05-18T02:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1ak0jWyqwST006EPfowrKAAQK8vkdTChw6fak0C8O2asQUnhOinbetXRoBevcNXcWoHBR446Snv/8Yuk22X+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:11:20.452676Z"},"content_sha256":"1d46a6e73a8c10ace076d9ef41e2474d22bb9bbae2bf9eb6ee78c3f268e84fd8","schema_version":"1.0","event_id":"sha256:1d46a6e73a8c10ace076d9ef41e2474d22bb9bbae2bf9eb6ee78c3f268e84fd8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VAGWKPMRF3GIICAWCMV4TEUFDU/bundle.json","state_url":"https://pith.science/pith/VAGWKPMRF3GIICAWCMV4TEUFDU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VAGWKPMRF3GIICAWCMV4TEUFDU/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":"2026-05-26T16:11:20Z","links":{"resolver":"https://pith.science/pith/VAGWKPMRF3GIICAWCMV4TEUFDU","bundle":"https://pith.science/pith/VAGWKPMRF3GIICAWCMV4TEUFDU/bundle.json","state":"https://pith.science/pith/VAGWKPMRF3GIICAWCMV4TEUFDU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VAGWKPMRF3GIICAWCMV4TEUFDU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:VAGWKPMRF3GIICAWCMV4TEUFDU","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":"bab309c5060e4ced1da46a0f68cf9d0c06506ee4c5be28c0629c72c1d2020456","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-05T12:24:00Z","title_canon_sha256":"dfffec92f0f07999cc5852db9c1ef2d4e7bddaa0244b6e274a7d6b3ccc273083"},"schema_version":"1.0","source":{"id":"1109.0872","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0872","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0872v2","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0872","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"VAGWKPMRF3GI","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"VAGWKPMRF3GIICAW","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"VAGWKPMR","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:1d46a6e73a8c10ace076d9ef41e2474d22bb9bbae2bf9eb6ee78c3f268e84fd8","target":"graph","created_at":"2026-05-18T02:00:39Z","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":"We discuss classical integrable structure of two-dimensional sigma models which have three-dimensional Schrodinger spacetimes as target spaces. The Schrodinger spacetimes are regarded as null-like deformations of AdS_3. The original AdS_3 isometry SL(2,R)_L x SL(2,R)_R is broken to SL(2,R)_L x U(1)_R due to the deformation. According to this symmetry, there are two descriptions to describe the classical dynamics of the system, 1) the SL(2,R)_L description and 2) the enhanced U(1)_R description. In the former 1), we show that the Yangian symmetry is realized by improving the SL(2,R)_L Noether c","authors_text":"Io Kawaguchi, Kentaroh Yoshida","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-05T12:24:00Z","title":"Classical integrability of Schrodinger sigma models and q-deformed Poincare symmetry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0872","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":"sha256:466eb2d013e6e797e73397cd486cb7cfee9cf1cbb47f51f9caae87950131aee1","target":"record","created_at":"2026-05-18T02:00:39Z","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":"bab309c5060e4ced1da46a0f68cf9d0c06506ee4c5be28c0629c72c1d2020456","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-05T12:24:00Z","title_canon_sha256":"dfffec92f0f07999cc5852db9c1ef2d4e7bddaa0244b6e274a7d6b3ccc273083"},"schema_version":"1.0","source":{"id":"1109.0872","kind":"arxiv","version":2}},"canonical_sha256":"a80d653d912ecc840816132bc992851d3e460c85d58304a82e320b5b89acab36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a80d653d912ecc840816132bc992851d3e460c85d58304a82e320b5b89acab36","first_computed_at":"2026-05-18T02:00:39.860060Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:39.860060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RHDfOVWB+mE4frKp1frH9FiT1G3xFC+PGcn3URoTxvZO9rc3PUQmKa5yJ+bpzk4x3+sofwXUvQgesdX/WKNkCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:39.860793Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.0872","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:466eb2d013e6e797e73397cd486cb7cfee9cf1cbb47f51f9caae87950131aee1","sha256:1d46a6e73a8c10ace076d9ef41e2474d22bb9bbae2bf9eb6ee78c3f268e84fd8"],"state_sha256":"2307263cd0d7a4bad42a9b7c57e34c525ad6a7e15aa2ee2ede64e7ab6e06376f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SNj+1LPJXVMVdK5RfPgZbQbgwIks10lJqMS5wg6eFGWmyyvC2GhfhHPn/94SxgMthucMoRiwkiDmKiUUC7u9CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T16:11:20.455697Z","bundle_sha256":"9bc797ef33eff77254db1e268f36212ac9806130b2b2e5c99c73a04ab9ea1b50"}}