{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:CUUY5REWEHBPDLTKXEFPAQS7YR","short_pith_number":"pith:CUUY5REW","canonical_record":{"source":{"id":"1311.0374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-02T12:51:37Z","cross_cats_sorted":[],"title_canon_sha256":"73b620b702f80ddebe81666bcda2064e640c6fe46f27439ac94012daebe8e902","abstract_canon_sha256":"4037b4740b303c6cf642b9b84c4b31ad209df94269a9a2141212d0d147788aa9"},"schema_version":"1.0"},"canonical_sha256":"15298ec49621c2f1ae6ab90af0425fc469890bb957bfffc42d9e17e4afa26dde","source":{"kind":"arxiv","id":"1311.0374","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.0374","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.0374v1","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0374","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"pith_short_12","alias_value":"CUUY5REWEHBP","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CUUY5REWEHBPDLTK","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CUUY5REW","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:CUUY5REWEHBPDLTKXEFPAQS7YR","target":"record","payload":{"canonical_record":{"source":{"id":"1311.0374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-02T12:51:37Z","cross_cats_sorted":[],"title_canon_sha256":"73b620b702f80ddebe81666bcda2064e640c6fe46f27439ac94012daebe8e902","abstract_canon_sha256":"4037b4740b303c6cf642b9b84c4b31ad209df94269a9a2141212d0d147788aa9"},"schema_version":"1.0"},"canonical_sha256":"15298ec49621c2f1ae6ab90af0425fc469890bb957bfffc42d9e17e4afa26dde","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:06.188173Z","signature_b64":"hjFkFGQDGi5kfkXSee0E+RlwmxoO+CB9lZSKs8GOtWT1PQTsiJrne/CcUS7CdF1npfRr7JXv+17U77xKxVryAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15298ec49621c2f1ae6ab90af0425fc469890bb957bfffc42d9e17e4afa26dde","last_reissued_at":"2026-05-18T03:08:06.187684Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:06.187684Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.0374","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:08:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I7h2ADgR/Zc+ZoXyMa1p+SFSnV/GMrmU4hXVQsjotqUlImmn7ZR+44xceZg6EEeU4uZgdkqB3o0Z2HXt97CeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:18:18.773924Z"},"content_sha256":"b1c3778f08ec688739fd6585cba3ce8f2430faeadbcaf07a8eca879e38ac9702","schema_version":"1.0","event_id":"sha256:b1c3778f08ec688739fd6585cba3ce8f2430faeadbcaf07a8eca879e38ac9702"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:CUUY5REWEHBPDLTKXEFPAQS7YR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-Frequency Quantum Oscillations due to Strong Electron Correlations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Sherman","submitted_at":"2013-11-02T12:51:37Z","abstract_excerpt":"The normal-state energy spectrum of the two-dimensional $t$-$J$ model in a homogeneous perpendicular magnetic field is investigated. The density of states at the Fermi level as a function of the inverse magnetic field $\\frac{1}{B}$ reveals oscillations in the range of hole concentrations $0.08<x<0.18$. The oscillations have both high- and low-frequency components. The former components are connected with large Fermi surfaces, while the latter with van Hove singularities in the Landau subbands, which traverse the Fermi level with changing $B$. The singularities are related to bending the Landau"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0374","kind":"arxiv","version":1},"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":"2026-05-18T03:08:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UNTUDN93S/SjNQ8WpmGfxr7xUJxKwte2/JrEghamz6bpEgwW/inxTQuQCFjq/8BAliiaGQ1jw7mz5xx8XlnmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:18:18.774348Z"},"content_sha256":"c61a2907d39209c6944937f22ad0490c015547d7a693bc68fe0199c824412f07","schema_version":"1.0","event_id":"sha256:c61a2907d39209c6944937f22ad0490c015547d7a693bc68fe0199c824412f07"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CUUY5REWEHBPDLTKXEFPAQS7YR/bundle.json","state_url":"https://pith.science/pith/CUUY5REWEHBPDLTKXEFPAQS7YR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CUUY5REWEHBPDLTKXEFPAQS7YR/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":"2026-06-02T00:18:18Z","links":{"resolver":"https://pith.science/pith/CUUY5REWEHBPDLTKXEFPAQS7YR","bundle":"https://pith.science/pith/CUUY5REWEHBPDLTKXEFPAQS7YR/bundle.json","state":"https://pith.science/pith/CUUY5REWEHBPDLTKXEFPAQS7YR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CUUY5REWEHBPDLTKXEFPAQS7YR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:CUUY5REWEHBPDLTKXEFPAQS7YR","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":"4037b4740b303c6cf642b9b84c4b31ad209df94269a9a2141212d0d147788aa9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-02T12:51:37Z","title_canon_sha256":"73b620b702f80ddebe81666bcda2064e640c6fe46f27439ac94012daebe8e902"},"schema_version":"1.0","source":{"id":"1311.0374","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.0374","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.0374v1","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0374","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"pith_short_12","alias_value":"CUUY5REWEHBP","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CUUY5REWEHBPDLTK","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CUUY5REW","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:c61a2907d39209c6944937f22ad0490c015547d7a693bc68fe0199c824412f07","target":"graph","created_at":"2026-05-18T03:08:06Z","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":"The normal-state energy spectrum of the two-dimensional $t$-$J$ model in a homogeneous perpendicular magnetic field is investigated. The density of states at the Fermi level as a function of the inverse magnetic field $\\frac{1}{B}$ reveals oscillations in the range of hole concentrations $0.08<x<0.18$. The oscillations have both high- and low-frequency components. The former components are connected with large Fermi surfaces, while the latter with van Hove singularities in the Landau subbands, which traverse the Fermi level with changing $B$. The singularities are related to bending the Landau","authors_text":"A. Sherman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-02T12:51:37Z","title":"Low-Frequency Quantum Oscillations due to Strong Electron Correlations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0374","kind":"arxiv","version":1},"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:b1c3778f08ec688739fd6585cba3ce8f2430faeadbcaf07a8eca879e38ac9702","target":"record","created_at":"2026-05-18T03:08:06Z","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":"4037b4740b303c6cf642b9b84c4b31ad209df94269a9a2141212d0d147788aa9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-02T12:51:37Z","title_canon_sha256":"73b620b702f80ddebe81666bcda2064e640c6fe46f27439ac94012daebe8e902"},"schema_version":"1.0","source":{"id":"1311.0374","kind":"arxiv","version":1}},"canonical_sha256":"15298ec49621c2f1ae6ab90af0425fc469890bb957bfffc42d9e17e4afa26dde","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15298ec49621c2f1ae6ab90af0425fc469890bb957bfffc42d9e17e4afa26dde","first_computed_at":"2026-05-18T03:08:06.187684Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:08:06.187684Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hjFkFGQDGi5kfkXSee0E+RlwmxoO+CB9lZSKs8GOtWT1PQTsiJrne/CcUS7CdF1npfRr7JXv+17U77xKxVryAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:08:06.188173Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.0374","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1c3778f08ec688739fd6585cba3ce8f2430faeadbcaf07a8eca879e38ac9702","sha256:c61a2907d39209c6944937f22ad0490c015547d7a693bc68fe0199c824412f07"],"state_sha256":"816d7edeae5df275f7c4054b7ebd266b74595e9f4e5be9395b495bdc3f2a1669"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XQ0mAKK6IROKp7RhIS6FBtGVJxuZQpbreUeSWMFxSu+3QgJbLpQbU2d/7Vtmgb8yyn8byCA8MfPkaeorSsg5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T00:18:18.777147Z","bundle_sha256":"70f11fd15a98f9c02fe6852ff26bb9d584d192d0c1657d222acef66d5a79d948"}}