{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:DE3GXG6NDXYZARZ2CR77G3QJP5","short_pith_number":"pith:DE3GXG6N","canonical_record":{"source":{"id":"2411.14114","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-21T13:19:01Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"6b4a773bada439b9ba307fabce024b122507f2b2e02a58073bae9a69f681285a","abstract_canon_sha256":"4f925157c7e10bafbb951203e9255c72f0b8d662a8b81af61c4445865054b56d"},"schema_version":"1.0"},"canonical_sha256":"19366b9bcd1df190473a147ff36e097f5964f9830d8801edd3f944e7d0828798","source":{"kind":"arxiv","id":"2411.14114","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.14114","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"arxiv_version","alias_value":"2411.14114v3","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.14114","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"pith_short_12","alias_value":"DE3GXG6NDXYZ","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"DE3GXG6NDXYZARZ2","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"DE3GXG6N","created_at":"2026-07-05T10:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:DE3GXG6NDXYZARZ2CR77G3QJP5","target":"record","payload":{"canonical_record":{"source":{"id":"2411.14114","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-21T13:19:01Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"6b4a773bada439b9ba307fabce024b122507f2b2e02a58073bae9a69f681285a","abstract_canon_sha256":"4f925157c7e10bafbb951203e9255c72f0b8d662a8b81af61c4445865054b56d"},"schema_version":"1.0"},"canonical_sha256":"19366b9bcd1df190473a147ff36e097f5964f9830d8801edd3f944e7d0828798","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:27:20.158353Z","signature_b64":"wfNIHRbr1UdmsX2Kfu9tzyVSVOs4iqWLu1bvb/CMloqnskb5j+Qh6GMIna/3Uf6rxDn5Z4QW3uKS9U4VSg7IDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19366b9bcd1df190473a147ff36e097f5964f9830d8801edd3f944e7d0828798","last_reissued_at":"2026-07-05T10:27:20.157366Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:27:20.157366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.14114","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:27:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UNgPqSb0BMBVlOt65SimIWyXoUU8Di8fiS3PBEwhy3rI7JWKM5SMsKeUQW84+o5yULZC9Q454xBC/lM8IdIXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T00:36:06.867531Z"},"content_sha256":"af0d01995e82dc27b748bb946bf5d2246b0f932029d281f42f5f34503ea9ce3f","schema_version":"1.0","event_id":"sha256:af0d01995e82dc27b748bb946bf5d2246b0f932029d281f42f5f34503ea9ce3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:DE3GXG6NDXYZARZ2CR77G3QJP5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dirac and chiral spin liquids on spin-1/2 square-lattice Heisenberg antiferromagnet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Hong-Hao Tu, Hui-Ke Jin, Ya-Hui Zhang","submitted_at":"2024-11-21T13:19:01Z","abstract_excerpt":"We revisit the challenging problem of identifying the quantum spin liquid candidate in the spin-1/2 $J_1$-$J_2$ Heisenberg antiferromagnet on the square lattice. By integrating the Gutzwiller-guided density matrix renormalization group method with analytical analyses, we present clear evidence that the ground state is a Z$_2$ Dirac spin liquid. This state can be efficiently described by a Gutzwiller-projected parton theory characterized by its projective symmetry group. To distinguish the difference between the projected Z$_2$ and U(1) parton state, we investigate the chiral spin liquid ground"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.14114","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.14114/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:27:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+ZVMPHQVSjTftDgdfcTCPYqL1FA0vd58gMhJZRg+8dma6qLFzykygPFJkYELDk8+qmVvi/hC7ueftDPGxGNKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T00:36:06.868540Z"},"content_sha256":"e62de4f852aabe93b55e7bfe45f49d07a89a11d9e59135bbfc2bd2096086fcf4","schema_version":"1.0","event_id":"sha256:e62de4f852aabe93b55e7bfe45f49d07a89a11d9e59135bbfc2bd2096086fcf4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DE3GXG6NDXYZARZ2CR77G3QJP5/bundle.json","state_url":"https://pith.science/pith/DE3GXG6NDXYZARZ2CR77G3QJP5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DE3GXG6NDXYZARZ2CR77G3QJP5/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":"2026-08-14T00:36:06Z","links":{"resolver":"https://pith.science/pith/DE3GXG6NDXYZARZ2CR77G3QJP5","bundle":"https://pith.science/pith/DE3GXG6NDXYZARZ2CR77G3QJP5/bundle.json","state":"https://pith.science/pith/DE3GXG6NDXYZARZ2CR77G3QJP5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DE3GXG6NDXYZARZ2CR77G3QJP5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DE3GXG6NDXYZARZ2CR77G3QJP5","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":"4f925157c7e10bafbb951203e9255c72f0b8d662a8b81af61c4445865054b56d","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-21T13:19:01Z","title_canon_sha256":"6b4a773bada439b9ba307fabce024b122507f2b2e02a58073bae9a69f681285a"},"schema_version":"1.0","source":{"id":"2411.14114","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.14114","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"arxiv_version","alias_value":"2411.14114v3","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.14114","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"pith_short_12","alias_value":"DE3GXG6NDXYZ","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"DE3GXG6NDXYZARZ2","created_at":"2026-07-05T10:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"DE3GXG6N","created_at":"2026-07-05T10:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:e62de4f852aabe93b55e7bfe45f49d07a89a11d9e59135bbfc2bd2096086fcf4","target":"graph","created_at":"2026-07-05T10:27:20Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2411.14114/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We revisit the challenging problem of identifying the quantum spin liquid candidate in the spin-1/2 $J_1$-$J_2$ Heisenberg antiferromagnet on the square lattice. By integrating the Gutzwiller-guided density matrix renormalization group method with analytical analyses, we present clear evidence that the ground state is a Z$_2$ Dirac spin liquid. This state can be efficiently described by a Gutzwiller-projected parton theory characterized by its projective symmetry group. To distinguish the difference between the projected Z$_2$ and U(1) parton state, we investigate the chiral spin liquid ground","authors_text":"Hong-Hao Tu, Hui-Ke Jin, Ya-Hui Zhang","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-21T13:19:01Z","title":"Dirac and chiral spin liquids on spin-1/2 square-lattice Heisenberg antiferromagnet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.14114","kind":"arxiv","version":3},"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:af0d01995e82dc27b748bb946bf5d2246b0f932029d281f42f5f34503ea9ce3f","target":"record","created_at":"2026-07-05T10:27:20Z","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":"4f925157c7e10bafbb951203e9255c72f0b8d662a8b81af61c4445865054b56d","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-21T13:19:01Z","title_canon_sha256":"6b4a773bada439b9ba307fabce024b122507f2b2e02a58073bae9a69f681285a"},"schema_version":"1.0","source":{"id":"2411.14114","kind":"arxiv","version":3}},"canonical_sha256":"19366b9bcd1df190473a147ff36e097f5964f9830d8801edd3f944e7d0828798","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19366b9bcd1df190473a147ff36e097f5964f9830d8801edd3f944e7d0828798","first_computed_at":"2026-07-05T10:27:20.157366Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:27:20.157366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wfNIHRbr1UdmsX2Kfu9tzyVSVOs4iqWLu1bvb/CMloqnskb5j+Qh6GMIna/3Uf6rxDn5Z4QW3uKS9U4VSg7IDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:27:20.158353Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.14114","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af0d01995e82dc27b748bb946bf5d2246b0f932029d281f42f5f34503ea9ce3f","sha256:e62de4f852aabe93b55e7bfe45f49d07a89a11d9e59135bbfc2bd2096086fcf4"],"state_sha256":"ab641c35fa53981af8ec90bf1ce3424078ee3ca085a5c72a80cb53e343b983d2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S2ISxM1TcAjo8XtjLQQDprCrhG3ELcBlqktzu3FrhEqYWe0U0ruqRizs0SDutrzLd/VTT4H6WXusw3eSlW7dDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T00:36:06.887424Z","bundle_sha256":"d3c26c3717302c246d410295ae3798b615bffee5934c288a821ec982037b6afa"}}