{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7SPH5VFGHCVZZM7TID2ZDEW4HA","short_pith_number":"pith:7SPH5VFG","canonical_record":{"source":{"id":"1311.4641","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-11-19T07:55:34Z","cross_cats_sorted":["math.MP","math.SG","nlin.SI"],"title_canon_sha256":"e349da97405c499f50727812855290c97784841affa98dc6e4c830c79e48ec27","abstract_canon_sha256":"52299d74deb01f4202f3cdd2b3dfd9a726575cd790fc2c94682ff46d95e1d604"},"schema_version":"1.0"},"canonical_sha256":"fc9e7ed4a638ab9cb3f340f59192dc38142a99b913006acf4a3f5006cef6ebc3","source":{"kind":"arxiv","id":"1311.4641","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.4641","created_at":"2026-05-18T03:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.4641v2","created_at":"2026-05-18T03:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.4641","created_at":"2026-05-18T03:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"7SPH5VFGHCVZ","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7SPH5VFGHCVZZM7T","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7SPH5VFG","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7SPH5VFGHCVZZM7TID2ZDEW4HA","target":"record","payload":{"canonical_record":{"source":{"id":"1311.4641","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-11-19T07:55:34Z","cross_cats_sorted":["math.MP","math.SG","nlin.SI"],"title_canon_sha256":"e349da97405c499f50727812855290c97784841affa98dc6e4c830c79e48ec27","abstract_canon_sha256":"52299d74deb01f4202f3cdd2b3dfd9a726575cd790fc2c94682ff46d95e1d604"},"schema_version":"1.0"},"canonical_sha256":"fc9e7ed4a638ab9cb3f340f59192dc38142a99b913006acf4a3f5006cef6ebc3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:04:06.153505Z","signature_b64":"znPrrKsmZMoc1xtKU8FoEbj94brgnRjX8SNA3ulN/6NAlqGfZjAXENTTNWMU+WwfdKKiAoAO+rgKjMTaPti7AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc9e7ed4a638ab9cb3f340f59192dc38142a99b913006acf4a3f5006cef6ebc3","last_reissued_at":"2026-05-18T03:04:06.152970Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:04:06.152970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.4641","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":"2026-05-18T03:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rbgtveLMgqRdlaKiqnVyvwZy3LRu/ZqYzywNsc6tMsSnAxYAEv0fz+WYsxoFARD1mkWfmPW0kQEcN6PlztNCDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:36:27.068349Z"},"content_sha256":"62736d0d492fc8a83a950e11930081c7f4d9ae22fae70282c2b7f6a0c815ec21","schema_version":"1.0","event_id":"sha256:62736d0d492fc8a83a950e11930081c7f4d9ae22fae70282c2b7f6a0c815ec21"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7SPH5VFGHCVZZM7TID2ZDEW4HA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A new model in the Calogero-Ruijsenaars family","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.MP","math.SG","nlin.SI"],"primary_cat":"math-ph","authors_text":"Ian Marshall","submitted_at":"2013-11-19T07:55:34Z","abstract_excerpt":"Hamiltonian reduction is used to project a trivially integrable system on the Heisenberg double of $SU(n,n)$, to obtain a system of Ruijsenaars type on a suitable quotient space. This system possesses $BC_n$ symmetry and is shown to be equivalent to the standard three-parameter $BC_n$ hyperbolic Sutherland model in the cotangent bundle limit."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.4641","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":"2026-05-18T03:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rapWazwpjcGbGLtWCtwAgMCHuZVBLKpW+7HjK4CQK//Sqbo5XAi2+XVfjBU5Hq+3aupsFjx+Gy65QXHGZy+sDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:36:27.068704Z"},"content_sha256":"af218b5d32f817c03e100187b0f09853ab899c9a9361c79e3aedb038e1b1467e","schema_version":"1.0","event_id":"sha256:af218b5d32f817c03e100187b0f09853ab899c9a9361c79e3aedb038e1b1467e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7SPH5VFGHCVZZM7TID2ZDEW4HA/bundle.json","state_url":"https://pith.science/pith/7SPH5VFGHCVZZM7TID2ZDEW4HA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7SPH5VFGHCVZZM7TID2ZDEW4HA/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":"2026-06-02T18:36:27Z","links":{"resolver":"https://pith.science/pith/7SPH5VFGHCVZZM7TID2ZDEW4HA","bundle":"https://pith.science/pith/7SPH5VFGHCVZZM7TID2ZDEW4HA/bundle.json","state":"https://pith.science/pith/7SPH5VFGHCVZZM7TID2ZDEW4HA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7SPH5VFGHCVZZM7TID2ZDEW4HA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7SPH5VFGHCVZZM7TID2ZDEW4HA","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":"52299d74deb01f4202f3cdd2b3dfd9a726575cd790fc2c94682ff46d95e1d604","cross_cats_sorted":["math.MP","math.SG","nlin.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-11-19T07:55:34Z","title_canon_sha256":"e349da97405c499f50727812855290c97784841affa98dc6e4c830c79e48ec27"},"schema_version":"1.0","source":{"id":"1311.4641","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.4641","created_at":"2026-05-18T03:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.4641v2","created_at":"2026-05-18T03:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.4641","created_at":"2026-05-18T03:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"7SPH5VFGHCVZ","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7SPH5VFGHCVZZM7T","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7SPH5VFG","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:af218b5d32f817c03e100187b0f09853ab899c9a9361c79e3aedb038e1b1467e","target":"graph","created_at":"2026-05-18T03:04:06Z","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":"Hamiltonian reduction is used to project a trivially integrable system on the Heisenberg double of $SU(n,n)$, to obtain a system of Ruijsenaars type on a suitable quotient space. This system possesses $BC_n$ symmetry and is shown to be equivalent to the standard three-parameter $BC_n$ hyperbolic Sutherland model in the cotangent bundle limit.","authors_text":"Ian Marshall","cross_cats":["math.MP","math.SG","nlin.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-11-19T07:55:34Z","title":"A new model in the Calogero-Ruijsenaars family"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.4641","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":"sha256:62736d0d492fc8a83a950e11930081c7f4d9ae22fae70282c2b7f6a0c815ec21","target":"record","created_at":"2026-05-18T03:04:06Z","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":"52299d74deb01f4202f3cdd2b3dfd9a726575cd790fc2c94682ff46d95e1d604","cross_cats_sorted":["math.MP","math.SG","nlin.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-11-19T07:55:34Z","title_canon_sha256":"e349da97405c499f50727812855290c97784841affa98dc6e4c830c79e48ec27"},"schema_version":"1.0","source":{"id":"1311.4641","kind":"arxiv","version":2}},"canonical_sha256":"fc9e7ed4a638ab9cb3f340f59192dc38142a99b913006acf4a3f5006cef6ebc3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc9e7ed4a638ab9cb3f340f59192dc38142a99b913006acf4a3f5006cef6ebc3","first_computed_at":"2026-05-18T03:04:06.152970Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:04:06.152970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"znPrrKsmZMoc1xtKU8FoEbj94brgnRjX8SNA3ulN/6NAlqGfZjAXENTTNWMU+WwfdKKiAoAO+rgKjMTaPti7AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:04:06.153505Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.4641","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62736d0d492fc8a83a950e11930081c7f4d9ae22fae70282c2b7f6a0c815ec21","sha256:af218b5d32f817c03e100187b0f09853ab899c9a9361c79e3aedb038e1b1467e"],"state_sha256":"6da10fcf27c065bc236b9ec55cebe6c36a8510f39174a2c13b5da93b53d193ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eTOj079M9VRIS0jngAGmQzP8jpZab2PeeeXRVeG+GDBmn70oO6k7ZyJQS6/e57F8FiJNNMO1CJyupwQUiq+zBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T18:36:27.070643Z","bundle_sha256":"35e1ae57ecff7fdc46c767fa2a8140defa12c43bdb498b718ffcc8006d4ba3de"}}