{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:O76NTZC7ZAAYXQTEWDQSFI2FXU","short_pith_number":"pith:O76NTZC7","canonical_record":{"source":{"id":"1208.3869","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-19T17:26:32Z","cross_cats_sorted":[],"title_canon_sha256":"2614620a06cb8bdfaa20fd2e0bef89328b86d0d2f2a75a54e842ed976d29fc83","abstract_canon_sha256":"b64637ceca3aa3fede2e3632458ee6b74a59d49d9543923c1650f531e656b782"},"schema_version":"1.0"},"canonical_sha256":"77fcd9e45fc8018bc264b0e122a345bd29be55ca109d1afd069b3e11720744eb","source":{"kind":"arxiv","id":"1208.3869","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3869","created_at":"2026-05-18T03:28:53Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3869v2","created_at":"2026-05-18T03:28:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3869","created_at":"2026-05-18T03:28:53Z"},{"alias_kind":"pith_short_12","alias_value":"O76NTZC7ZAAY","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"O76NTZC7ZAAYXQTE","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"O76NTZC7","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:O76NTZC7ZAAYXQTEWDQSFI2FXU","target":"record","payload":{"canonical_record":{"source":{"id":"1208.3869","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-19T17:26:32Z","cross_cats_sorted":[],"title_canon_sha256":"2614620a06cb8bdfaa20fd2e0bef89328b86d0d2f2a75a54e842ed976d29fc83","abstract_canon_sha256":"b64637ceca3aa3fede2e3632458ee6b74a59d49d9543923c1650f531e656b782"},"schema_version":"1.0"},"canonical_sha256":"77fcd9e45fc8018bc264b0e122a345bd29be55ca109d1afd069b3e11720744eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:28:53.690576Z","signature_b64":"p1BgG0ZsVF76fKt1pTYcxt5T+D0dBYrjBPTBDOFCs5DMQ74fRdSXjrwj/9ynqZDXYd5lurKWuE1oRJ92cBFABw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77fcd9e45fc8018bc264b0e122a345bd29be55ca109d1afd069b3e11720744eb","last_reissued_at":"2026-05-18T03:28:53.689971Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:28:53.689971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.3869","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":"2026-05-18T03:28:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7+Xcn+M3C0UEOmL0o7xinLSrutnX7Dlld5EIDOe2PI1X45B7cLkzl8/d1OBwNHuNboHHt278szvqJ5glihcgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T16:32:19.900943Z"},"content_sha256":"7f34be0102f3bfc7263f4a95420f75f7162564b529dc206fac2886e31003c9a5","schema_version":"1.0","event_id":"sha256:7f34be0102f3bfc7263f4a95420f75f7162564b529dc206fac2886e31003c9a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:O76NTZC7ZAAYXQTEWDQSFI2FXU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gapless Spin Liquids: Stability and Possible Experimental Relevance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Hong Yao, Maissam Barkeshli, Steven A. Kivelson","submitted_at":"2012-08-19T17:26:32Z","abstract_excerpt":"For certain crystalline systems, most notably the organic compound EtMe3Sb[Pd(dmit)2]2, experimental evidence has accumulated of an insulating state with a high density of gapless neutral excitations that produce Fermi-liquid-like power laws in thermodynamic quantities and thermal transport. This has been taken as evidence of a fractionalized spin liquid state. In this paper, we argue that if the experiments are taken at face value, the most promising spin liquid candidates are a Z4 spin liquid with a pseudo-Fermi surface and no broken symmetries, or a Z2 spin-liquid with a pseudo-Fermi surfac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3869","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":"2026-05-18T03:28:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W+KZqA02KaNMlV0tHrqa6HvXE99L5Holvfjcu3cSDzgIRGe13ONt1ssWC07b2o1KmkJRR7n6e4L5S3PkB8jyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T16:32:19.901592Z"},"content_sha256":"1f3e61cfa3f2f959afbc3b2603d4f439d25c1b905b8f42f6d1c6bcab9ec659f1","schema_version":"1.0","event_id":"sha256:1f3e61cfa3f2f959afbc3b2603d4f439d25c1b905b8f42f6d1c6bcab9ec659f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O76NTZC7ZAAYXQTEWDQSFI2FXU/bundle.json","state_url":"https://pith.science/pith/O76NTZC7ZAAYXQTEWDQSFI2FXU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O76NTZC7ZAAYXQTEWDQSFI2FXU/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":"2026-05-29T16:32:19Z","links":{"resolver":"https://pith.science/pith/O76NTZC7ZAAYXQTEWDQSFI2FXU","bundle":"https://pith.science/pith/O76NTZC7ZAAYXQTEWDQSFI2FXU/bundle.json","state":"https://pith.science/pith/O76NTZC7ZAAYXQTEWDQSFI2FXU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O76NTZC7ZAAYXQTEWDQSFI2FXU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:O76NTZC7ZAAYXQTEWDQSFI2FXU","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":"b64637ceca3aa3fede2e3632458ee6b74a59d49d9543923c1650f531e656b782","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-19T17:26:32Z","title_canon_sha256":"2614620a06cb8bdfaa20fd2e0bef89328b86d0d2f2a75a54e842ed976d29fc83"},"schema_version":"1.0","source":{"id":"1208.3869","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3869","created_at":"2026-05-18T03:28:53Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3869v2","created_at":"2026-05-18T03:28:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3869","created_at":"2026-05-18T03:28:53Z"},{"alias_kind":"pith_short_12","alias_value":"O76NTZC7ZAAY","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"O76NTZC7ZAAYXQTE","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"O76NTZC7","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:1f3e61cfa3f2f959afbc3b2603d4f439d25c1b905b8f42f6d1c6bcab9ec659f1","target":"graph","created_at":"2026-05-18T03:28:53Z","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":"For certain crystalline systems, most notably the organic compound EtMe3Sb[Pd(dmit)2]2, experimental evidence has accumulated of an insulating state with a high density of gapless neutral excitations that produce Fermi-liquid-like power laws in thermodynamic quantities and thermal transport. This has been taken as evidence of a fractionalized spin liquid state. In this paper, we argue that if the experiments are taken at face value, the most promising spin liquid candidates are a Z4 spin liquid with a pseudo-Fermi surface and no broken symmetries, or a Z2 spin-liquid with a pseudo-Fermi surfac","authors_text":"Hong Yao, Maissam Barkeshli, Steven A. Kivelson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-19T17:26:32Z","title":"Gapless Spin Liquids: Stability and Possible Experimental Relevance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3869","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":"sha256:7f34be0102f3bfc7263f4a95420f75f7162564b529dc206fac2886e31003c9a5","target":"record","created_at":"2026-05-18T03:28:53Z","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":"b64637ceca3aa3fede2e3632458ee6b74a59d49d9543923c1650f531e656b782","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-19T17:26:32Z","title_canon_sha256":"2614620a06cb8bdfaa20fd2e0bef89328b86d0d2f2a75a54e842ed976d29fc83"},"schema_version":"1.0","source":{"id":"1208.3869","kind":"arxiv","version":2}},"canonical_sha256":"77fcd9e45fc8018bc264b0e122a345bd29be55ca109d1afd069b3e11720744eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77fcd9e45fc8018bc264b0e122a345bd29be55ca109d1afd069b3e11720744eb","first_computed_at":"2026-05-18T03:28:53.689971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:28:53.689971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p1BgG0ZsVF76fKt1pTYcxt5T+D0dBYrjBPTBDOFCs5DMQ74fRdSXjrwj/9ynqZDXYd5lurKWuE1oRJ92cBFABw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:28:53.690576Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.3869","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f34be0102f3bfc7263f4a95420f75f7162564b529dc206fac2886e31003c9a5","sha256:1f3e61cfa3f2f959afbc3b2603d4f439d25c1b905b8f42f6d1c6bcab9ec659f1"],"state_sha256":"bdfd4a91508b69242b0b16585abbb82f3299f5af63e521ec7649faa6de8479af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xZ47a6EjtJRjwq+9eNdX/N2907XlEHZJ+PwjKyGrzmTMEq3k8Vg+NgJJoAkR3FRY2UaBztFZnYyGdae35JqzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T16:32:19.904937Z","bundle_sha256":"a3e67fb42dab0a0cc6d2ea5c79c060dfae2d9ea04a556d66851edc4fc48cfe18"}}