{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JPG5LKO3OAHDVDRGTC4W5YCPEJ","short_pith_number":"pith:JPG5LKO3","canonical_record":{"source":{"id":"1804.05858","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-04-16T18:00:12Z","cross_cats_sorted":[],"title_canon_sha256":"64c46965df53a2ff0d3fb21f9c91abbaa5ad170619db7acd96359f9c745b239b","abstract_canon_sha256":"bae4d97b8f9d1bfd5e6e0b49dc67fcd4de7ff726d6627efad9ac9f3a41d53aed"},"schema_version":"1.0"},"canonical_sha256":"4bcdd5a9db700e3a8e2698b96ee04f2258b23220a5190fa5f19c362d14b0df05","source":{"kind":"arxiv","id":"1804.05858","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.05858","created_at":"2026-05-18T00:07:32Z"},{"alias_kind":"arxiv_version","alias_value":"1804.05858v2","created_at":"2026-05-18T00:07:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05858","created_at":"2026-05-18T00:07:32Z"},{"alias_kind":"pith_short_12","alias_value":"JPG5LKO3OAHD","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JPG5LKO3OAHDVDRG","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JPG5LKO3","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JPG5LKO3OAHDVDRGTC4W5YCPEJ","target":"record","payload":{"canonical_record":{"source":{"id":"1804.05858","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-04-16T18:00:12Z","cross_cats_sorted":[],"title_canon_sha256":"64c46965df53a2ff0d3fb21f9c91abbaa5ad170619db7acd96359f9c745b239b","abstract_canon_sha256":"bae4d97b8f9d1bfd5e6e0b49dc67fcd4de7ff726d6627efad9ac9f3a41d53aed"},"schema_version":"1.0"},"canonical_sha256":"4bcdd5a9db700e3a8e2698b96ee04f2258b23220a5190fa5f19c362d14b0df05","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:32.629702Z","signature_b64":"k+Ea03czJ4+Y0FkkcAdYv7M6qdXigzFXoLkHXjJsb6BPCeJL38tElyRpUrB+NKCT9rJH7/meQRJXXEtzp68RBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bcdd5a9db700e3a8e2698b96ee04f2258b23220a5190fa5f19c362d14b0df05","last_reissued_at":"2026-05-18T00:07:32.628950Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:32.628950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.05858","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":"2026-05-18T00:07:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3yBWopC7xsBVjOQEzb/UvZdX28yoAbX9IpCT4548oiMKZ+X/33+Wyk5wusSagesWPWPl+O6Y2kxYPb2tjQVQAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:20:33.362519Z"},"content_sha256":"29333fc94e79eacc5a2f75d534e334a19c74a25d254bc6779b8560c5d9bfa0d6","schema_version":"1.0","event_id":"sha256:29333fc94e79eacc5a2f75d534e334a19c74a25d254bc6779b8560c5d9bfa0d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JPG5LKO3OAHDVDRGTC4W5YCPEJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fractionalized Metal in a Falicov-Kimball Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Fakher F. Assaad, Martin Hohenadler","submitted_at":"2018-04-16T18:00:12Z","abstract_excerpt":"Quantum Monte Carlo simulations reveal an exotic metallic phase with a single-particle gap but gapless spin and charge excitations and a nonsaturating resistivity in a two-dimensional SU(2) Falicov-Kimball model. An exact duality between this model and an unconstrained slave-spin theory leads to a classification of the phase as a fractionalized or orthogonal metal whose low-energy excitations have different quantum numbers than the original electrons. Whereas the fractionalized metal corresponds to the regime of disordered slave spins, the regime of ordered slave spins is a Fermi liquid. At a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05858","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":"2026-05-18T00:07:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZupYgWIYmv5BWxoNy9cSWagPR8NE0eb23su/8pULTolZLqHffUtWV4koe4nU3Mme7X+qSwLAOCLivp9UN4C8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:20:33.363172Z"},"content_sha256":"17d50856ce3d4f0c1a413d967dae93b9350663e46612b92e0f93b3154b0e1358","schema_version":"1.0","event_id":"sha256:17d50856ce3d4f0c1a413d967dae93b9350663e46612b92e0f93b3154b0e1358"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JPG5LKO3OAHDVDRGTC4W5YCPEJ/bundle.json","state_url":"https://pith.science/pith/JPG5LKO3OAHDVDRGTC4W5YCPEJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JPG5LKO3OAHDVDRGTC4W5YCPEJ/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":"2026-05-26T13:20:33Z","links":{"resolver":"https://pith.science/pith/JPG5LKO3OAHDVDRGTC4W5YCPEJ","bundle":"https://pith.science/pith/JPG5LKO3OAHDVDRGTC4W5YCPEJ/bundle.json","state":"https://pith.science/pith/JPG5LKO3OAHDVDRGTC4W5YCPEJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JPG5LKO3OAHDVDRGTC4W5YCPEJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JPG5LKO3OAHDVDRGTC4W5YCPEJ","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":"bae4d97b8f9d1bfd5e6e0b49dc67fcd4de7ff726d6627efad9ac9f3a41d53aed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-04-16T18:00:12Z","title_canon_sha256":"64c46965df53a2ff0d3fb21f9c91abbaa5ad170619db7acd96359f9c745b239b"},"schema_version":"1.0","source":{"id":"1804.05858","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.05858","created_at":"2026-05-18T00:07:32Z"},{"alias_kind":"arxiv_version","alias_value":"1804.05858v2","created_at":"2026-05-18T00:07:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05858","created_at":"2026-05-18T00:07:32Z"},{"alias_kind":"pith_short_12","alias_value":"JPG5LKO3OAHD","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JPG5LKO3OAHDVDRG","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JPG5LKO3","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:17d50856ce3d4f0c1a413d967dae93b9350663e46612b92e0f93b3154b0e1358","target":"graph","created_at":"2026-05-18T00:07:32Z","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":"Quantum Monte Carlo simulations reveal an exotic metallic phase with a single-particle gap but gapless spin and charge excitations and a nonsaturating resistivity in a two-dimensional SU(2) Falicov-Kimball model. An exact duality between this model and an unconstrained slave-spin theory leads to a classification of the phase as a fractionalized or orthogonal metal whose low-energy excitations have different quantum numbers than the original electrons. Whereas the fractionalized metal corresponds to the regime of disordered slave spins, the regime of ordered slave spins is a Fermi liquid. At a ","authors_text":"Fakher F. Assaad, Martin Hohenadler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-04-16T18:00:12Z","title":"Fractionalized Metal in a Falicov-Kimball Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05858","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":"sha256:29333fc94e79eacc5a2f75d534e334a19c74a25d254bc6779b8560c5d9bfa0d6","target":"record","created_at":"2026-05-18T00:07:32Z","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":"bae4d97b8f9d1bfd5e6e0b49dc67fcd4de7ff726d6627efad9ac9f3a41d53aed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-04-16T18:00:12Z","title_canon_sha256":"64c46965df53a2ff0d3fb21f9c91abbaa5ad170619db7acd96359f9c745b239b"},"schema_version":"1.0","source":{"id":"1804.05858","kind":"arxiv","version":2}},"canonical_sha256":"4bcdd5a9db700e3a8e2698b96ee04f2258b23220a5190fa5f19c362d14b0df05","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bcdd5a9db700e3a8e2698b96ee04f2258b23220a5190fa5f19c362d14b0df05","first_computed_at":"2026-05-18T00:07:32.628950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:32.628950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k+Ea03czJ4+Y0FkkcAdYv7M6qdXigzFXoLkHXjJsb6BPCeJL38tElyRpUrB+NKCT9rJH7/meQRJXXEtzp68RBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:32.629702Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.05858","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29333fc94e79eacc5a2f75d534e334a19c74a25d254bc6779b8560c5d9bfa0d6","sha256:17d50856ce3d4f0c1a413d967dae93b9350663e46612b92e0f93b3154b0e1358"],"state_sha256":"70886ca371f6e3ccf985226d846acc6ff7da9c3e33fd4732ed08881962c0de22"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8lqGeBVj/EOUzMqRxqxbHWGA6vY4pIGIwRKslg0cVP1cZGvCdeMzodXboI80tK+E8AcTu1IEPOz7lj1Ahsk3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:20:33.366300Z","bundle_sha256":"7dbef634731121c385e1040247f2da5bb45cc5c5f24cffbc83b04ac96bf9cea3"}}