{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LNR26J2XEWN2XQCSP4QSOATUNP","short_pith_number":"pith:LNR26J2X","canonical_record":{"source":{"id":"1210.5518","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-10-19T20:00:00Z","cross_cats_sorted":["cond-mat.str-el","physics.atom-ph","quant-ph"],"title_canon_sha256":"3c3f635f887c99340e84b7860cb6243773f7fb41d6d4739503ed5b3ca5524055","abstract_canon_sha256":"c2f09d4e618b1403abec327a8cef0bbad7d1d90baa1fc4fa6fce4a2878c57f42"},"schema_version":"1.0"},"canonical_sha256":"5b63af2757259babc0527f212702746be0db79ce8aa9c3e13796c8fece9b6ec6","source":{"kind":"arxiv","id":"1210.5518","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.5518","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"arxiv_version","alias_value":"1210.5518v2","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.5518","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"pith_short_12","alias_value":"LNR26J2XEWN2","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LNR26J2XEWN2XQCS","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LNR26J2X","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LNR26J2XEWN2XQCSP4QSOATUNP","target":"record","payload":{"canonical_record":{"source":{"id":"1210.5518","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-10-19T20:00:00Z","cross_cats_sorted":["cond-mat.str-el","physics.atom-ph","quant-ph"],"title_canon_sha256":"3c3f635f887c99340e84b7860cb6243773f7fb41d6d4739503ed5b3ca5524055","abstract_canon_sha256":"c2f09d4e618b1403abec327a8cef0bbad7d1d90baa1fc4fa6fce4a2878c57f42"},"schema_version":"1.0"},"canonical_sha256":"5b63af2757259babc0527f212702746be0db79ce8aa9c3e13796c8fece9b6ec6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:19.818430Z","signature_b64":"0uO5qxtM/TC95+6dVGUSAPkcrHeKIEW+aGn701lIMhvFQYH50WZwX+P0hGRL6+hwRU5Ncnv5VpoxzbsUDfVQAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b63af2757259babc0527f212702746be0db79ce8aa9c3e13796c8fece9b6ec6","last_reissued_at":"2026-05-18T03:32:19.817696Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:19.817696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.5518","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":"2026-05-18T03:32:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oL1goog/P3U1v4+sGSlj+Htug+RXun+CB+Y92sPVkfGXLRoL0GJ7/RY4Y6mL+sIimTWHzNL/M+Yf/2hsyIo0CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:51:16.664799Z"},"content_sha256":"46018d0201c8a7772d9fefcac81f933a51d817261983d2d13a3c0db9a115d369","schema_version":"1.0","event_id":"sha256:46018d0201c8a7772d9fefcac81f933a51d817261983d2d13a3c0db9a115d369"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LNR26J2XEWN2XQCSP4QSOATUNP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topological phases in ultracold polar-molecule quantum magnets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","physics.atom-ph","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Alexey V. Gorshkov, Ana Maria Rey, E. M. Stoudenmire, Kaden R. A. Hazzard, Salvatore R. Manmana","submitted_at":"2012-10-19T20:00:00Z","abstract_excerpt":"We show how to use polar molecules in an optical lattice to engineer quantum spin models with arbitrary spin S >= 1/2 and with interactions featuring a direction-dependent spin anisotropy. This is achieved by encoding the effective spin degrees of freedom in microwave-dressed rotational states of the molecules and by coupling the spins through dipolar interactions. We demonstrate how one of the experimentally most accessible anisotropies stabilizes symmetry protected topological phases in spin ladders. Using the numerically exact density matrix renormalization group method, we find that these "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.5518","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":"2026-05-18T03:32:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CC5yjztwBfu73ER0tBWZbbxXYA/y/WGcS+5W64e1ASd5ltyShU+1QqgNjg726uM005imTgg+XAVm6ZVzPUiKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:51:16.665460Z"},"content_sha256":"a900310a27ed463e9a03ec350eaec3fdfe9e734ef89f47efeb5f48776988a092","schema_version":"1.0","event_id":"sha256:a900310a27ed463e9a03ec350eaec3fdfe9e734ef89f47efeb5f48776988a092"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LNR26J2XEWN2XQCSP4QSOATUNP/bundle.json","state_url":"https://pith.science/pith/LNR26J2XEWN2XQCSP4QSOATUNP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LNR26J2XEWN2XQCSP4QSOATUNP/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":"2026-06-05T18:51:16Z","links":{"resolver":"https://pith.science/pith/LNR26J2XEWN2XQCSP4QSOATUNP","bundle":"https://pith.science/pith/LNR26J2XEWN2XQCSP4QSOATUNP/bundle.json","state":"https://pith.science/pith/LNR26J2XEWN2XQCSP4QSOATUNP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LNR26J2XEWN2XQCSP4QSOATUNP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LNR26J2XEWN2XQCSP4QSOATUNP","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":"c2f09d4e618b1403abec327a8cef0bbad7d1d90baa1fc4fa6fce4a2878c57f42","cross_cats_sorted":["cond-mat.str-el","physics.atom-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-10-19T20:00:00Z","title_canon_sha256":"3c3f635f887c99340e84b7860cb6243773f7fb41d6d4739503ed5b3ca5524055"},"schema_version":"1.0","source":{"id":"1210.5518","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.5518","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"arxiv_version","alias_value":"1210.5518v2","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.5518","created_at":"2026-05-18T03:32:19Z"},{"alias_kind":"pith_short_12","alias_value":"LNR26J2XEWN2","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LNR26J2XEWN2XQCS","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LNR26J2X","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:a900310a27ed463e9a03ec350eaec3fdfe9e734ef89f47efeb5f48776988a092","target":"graph","created_at":"2026-05-18T03:32:19Z","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 show how to use polar molecules in an optical lattice to engineer quantum spin models with arbitrary spin S >= 1/2 and with interactions featuring a direction-dependent spin anisotropy. This is achieved by encoding the effective spin degrees of freedom in microwave-dressed rotational states of the molecules and by coupling the spins through dipolar interactions. We demonstrate how one of the experimentally most accessible anisotropies stabilizes symmetry protected topological phases in spin ladders. Using the numerically exact density matrix renormalization group method, we find that these ","authors_text":"Alexey V. Gorshkov, Ana Maria Rey, E. M. Stoudenmire, Kaden R. A. Hazzard, Salvatore R. Manmana","cross_cats":["cond-mat.str-el","physics.atom-ph","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-10-19T20:00:00Z","title":"Topological phases in ultracold polar-molecule quantum magnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.5518","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":"sha256:46018d0201c8a7772d9fefcac81f933a51d817261983d2d13a3c0db9a115d369","target":"record","created_at":"2026-05-18T03:32:19Z","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":"c2f09d4e618b1403abec327a8cef0bbad7d1d90baa1fc4fa6fce4a2878c57f42","cross_cats_sorted":["cond-mat.str-el","physics.atom-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-10-19T20:00:00Z","title_canon_sha256":"3c3f635f887c99340e84b7860cb6243773f7fb41d6d4739503ed5b3ca5524055"},"schema_version":"1.0","source":{"id":"1210.5518","kind":"arxiv","version":2}},"canonical_sha256":"5b63af2757259babc0527f212702746be0db79ce8aa9c3e13796c8fece9b6ec6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b63af2757259babc0527f212702746be0db79ce8aa9c3e13796c8fece9b6ec6","first_computed_at":"2026-05-18T03:32:19.817696Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:19.817696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0uO5qxtM/TC95+6dVGUSAPkcrHeKIEW+aGn701lIMhvFQYH50WZwX+P0hGRL6+hwRU5Ncnv5VpoxzbsUDfVQAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:19.818430Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.5518","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46018d0201c8a7772d9fefcac81f933a51d817261983d2d13a3c0db9a115d369","sha256:a900310a27ed463e9a03ec350eaec3fdfe9e734ef89f47efeb5f48776988a092"],"state_sha256":"a1817af6342b6c97e894189f715e745984c4d5bd574b3fcaaffbb25c15240bb7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rjbQh1p609SHtw25ttYbb3u44fIpd2UNyKxKya3KKBlw6ZRlYQ+KtcrhieHNKuRy70drNctJsRVxngt+k3dtBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T18:51:16.668702Z","bundle_sha256":"b8e0620b64436690cbaf71c5e5778f06d195e5e56dc8d1740e1ae437f4828e32"}}