{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:QNQW4ZAZVXFDRCP4XV2FOSSPI5","short_pith_number":"pith:QNQW4ZAZ","canonical_record":{"source":{"id":"1011.4051","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-11-17T20:42:31Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"11ded68fa3b037d61cdf5b2c7abd96a050aaae81d41ee4068927f8006d16ec0d","abstract_canon_sha256":"95eb2206bef4b9796f6c613991d8c35af16a8a2ad2b0971f9c03e8c31edb72fc"},"schema_version":"1.0"},"canonical_sha256":"83616e6419adca3889fcbd74574a4f474416f6f007af222766e192f148ece542","source":{"kind":"arxiv","id":"1011.4051","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.4051","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"arxiv_version","alias_value":"1011.4051v2","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.4051","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"pith_short_12","alias_value":"QNQW4ZAZVXFD","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QNQW4ZAZVXFDRCP4","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QNQW4ZAZ","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:QNQW4ZAZVXFDRCP4XV2FOSSPI5","target":"record","payload":{"canonical_record":{"source":{"id":"1011.4051","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-11-17T20:42:31Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"11ded68fa3b037d61cdf5b2c7abd96a050aaae81d41ee4068927f8006d16ec0d","abstract_canon_sha256":"95eb2206bef4b9796f6c613991d8c35af16a8a2ad2b0971f9c03e8c31edb72fc"},"schema_version":"1.0"},"canonical_sha256":"83616e6419adca3889fcbd74574a4f474416f6f007af222766e192f148ece542","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:36.651586Z","signature_b64":"XDsCKNojwXSVTTGRb60n/bVEmPZugDmS4zWy4p/PwCq1LOKzqE2HEU23ZaYUJKsUtTfrbWTS5zGQJn0pOLafAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83616e6419adca3889fcbd74574a4f474416f6f007af222766e192f148ece542","last_reissued_at":"2026-05-18T03:23:36.651023Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:36.651023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.4051","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":"2026-05-18T03:23:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qdcnXfB6IrR+q60u0vq3OdbAF7AijSioe3JzAXiXgN9rwY0ySPpOE06eHm0wtK1ugGQdX8PFcU7GNfxr7nfuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:56:10.601539Z"},"content_sha256":"7cf5fe4f4773b02355e4dc38a4ec466530e5c413938a0c3e261e87f53869509c","schema_version":"1.0","event_id":"sha256:7cf5fe4f4773b02355e4dc38a4ec466530e5c413938a0c3e261e87f53869509c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:QNQW4ZAZVXFDRCP4XV2FOSSPI5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Holographic fermions in external magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"hep-th","authors_text":"E. Gubankova, J. Brill, J. Zaanen, K. Schalm, M. Cubrovic, P. Schijven","submitted_at":"2010-11-17T20:42:31Z","abstract_excerpt":"We study the Fermi level structure of 2+1-dimensional strongly interacting electron systems in external magnetic field using the AdS/CFT correspondence. The gravity dual of a finite density fermion system is a Dirac field in the background of the dyonic AdS-Reissner-Nordstrom black hole. In the probe limit the magnetic system can be reduced to the non-magnetic one, with Landau-quantized momenta and rescaled thermodynamical variables. We find that at strong enough magnetic fields, the Fermi surface vanishes and the quasiparticle is lost either through a crossover to conformal regime or through "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.4051","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":"2026-05-18T03:23:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9XVdNz9lS/Cy1O9pgQgN5fzSZsU5q9YuGKnkK02FVbpORq9kWNpJ43kMKJ703z+ptf58KJ+h7wXSohhazFiHAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:56:10.601885Z"},"content_sha256":"c5f2cb76f58d8677425c5db466f606b964d387b4f1d0c36e9856f2a32dc6a1c3","schema_version":"1.0","event_id":"sha256:c5f2cb76f58d8677425c5db466f606b964d387b4f1d0c36e9856f2a32dc6a1c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QNQW4ZAZVXFDRCP4XV2FOSSPI5/bundle.json","state_url":"https://pith.science/pith/QNQW4ZAZVXFDRCP4XV2FOSSPI5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QNQW4ZAZVXFDRCP4XV2FOSSPI5/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":"2026-05-19T16:56:10Z","links":{"resolver":"https://pith.science/pith/QNQW4ZAZVXFDRCP4XV2FOSSPI5","bundle":"https://pith.science/pith/QNQW4ZAZVXFDRCP4XV2FOSSPI5/bundle.json","state":"https://pith.science/pith/QNQW4ZAZVXFDRCP4XV2FOSSPI5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QNQW4ZAZVXFDRCP4XV2FOSSPI5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:QNQW4ZAZVXFDRCP4XV2FOSSPI5","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":"95eb2206bef4b9796f6c613991d8c35af16a8a2ad2b0971f9c03e8c31edb72fc","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-11-17T20:42:31Z","title_canon_sha256":"11ded68fa3b037d61cdf5b2c7abd96a050aaae81d41ee4068927f8006d16ec0d"},"schema_version":"1.0","source":{"id":"1011.4051","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.4051","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"arxiv_version","alias_value":"1011.4051v2","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.4051","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"pith_short_12","alias_value":"QNQW4ZAZVXFD","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QNQW4ZAZVXFDRCP4","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QNQW4ZAZ","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:c5f2cb76f58d8677425c5db466f606b964d387b4f1d0c36e9856f2a32dc6a1c3","target":"graph","created_at":"2026-05-18T03:23:36Z","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 study the Fermi level structure of 2+1-dimensional strongly interacting electron systems in external magnetic field using the AdS/CFT correspondence. The gravity dual of a finite density fermion system is a Dirac field in the background of the dyonic AdS-Reissner-Nordstrom black hole. In the probe limit the magnetic system can be reduced to the non-magnetic one, with Landau-quantized momenta and rescaled thermodynamical variables. We find that at strong enough magnetic fields, the Fermi surface vanishes and the quasiparticle is lost either through a crossover to conformal regime or through ","authors_text":"E. Gubankova, J. Brill, J. Zaanen, K. Schalm, M. Cubrovic, P. Schijven","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-11-17T20:42:31Z","title":"Holographic fermions in external magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.4051","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":"sha256:7cf5fe4f4773b02355e4dc38a4ec466530e5c413938a0c3e261e87f53869509c","target":"record","created_at":"2026-05-18T03:23:36Z","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":"95eb2206bef4b9796f6c613991d8c35af16a8a2ad2b0971f9c03e8c31edb72fc","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-11-17T20:42:31Z","title_canon_sha256":"11ded68fa3b037d61cdf5b2c7abd96a050aaae81d41ee4068927f8006d16ec0d"},"schema_version":"1.0","source":{"id":"1011.4051","kind":"arxiv","version":2}},"canonical_sha256":"83616e6419adca3889fcbd74574a4f474416f6f007af222766e192f148ece542","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83616e6419adca3889fcbd74574a4f474416f6f007af222766e192f148ece542","first_computed_at":"2026-05-18T03:23:36.651023Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:36.651023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XDsCKNojwXSVTTGRb60n/bVEmPZugDmS4zWy4p/PwCq1LOKzqE2HEU23ZaYUJKsUtTfrbWTS5zGQJn0pOLafAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:36.651586Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.4051","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7cf5fe4f4773b02355e4dc38a4ec466530e5c413938a0c3e261e87f53869509c","sha256:c5f2cb76f58d8677425c5db466f606b964d387b4f1d0c36e9856f2a32dc6a1c3"],"state_sha256":"3991fb5330ecd7228d20e4c0bf1bb6f47b8fe644e427e917283bca05368aff09"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J1J4k9p+NkfVNFc1EEkLNTMOZKFd8y8saaBmpmokwna1i+UH2etfT1NZgQVdAj0kbYwG+JfxYJ5ZZcAh0u3tCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T16:56:10.604286Z","bundle_sha256":"95907ddf72ab1b16546f2dbd77cfa6509d3436008cc772df7990bd50ba6d510a"}}