{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GMQC2YSLKMOKUPVG65ZX2C5P5B","short_pith_number":"pith:GMQC2YSL","canonical_record":{"source":{"id":"1810.00009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-09-28T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"9d33e8abc12b0062a424f141cad3292cbe5a66a6417474e9ef1d456564a31e25","abstract_canon_sha256":"7bf2d2293828abf3fba099a60e3ca51f317aea7d1161e6d0a3dd1eeaee3b3341"},"schema_version":"1.0"},"canonical_sha256":"33202d624b531caa3ea6f7737d0bafe869bc39832316d9ab9b816cceacb813c2","source":{"kind":"arxiv","id":"1810.00009","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.00009","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"arxiv_version","alias_value":"1810.00009v1","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.00009","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"pith_short_12","alias_value":"GMQC2YSLKMOK","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GMQC2YSLKMOKUPVG","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GMQC2YSL","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GMQC2YSLKMOKUPVG65ZX2C5P5B","target":"record","payload":{"canonical_record":{"source":{"id":"1810.00009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-09-28T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"9d33e8abc12b0062a424f141cad3292cbe5a66a6417474e9ef1d456564a31e25","abstract_canon_sha256":"7bf2d2293828abf3fba099a60e3ca51f317aea7d1161e6d0a3dd1eeaee3b3341"},"schema_version":"1.0"},"canonical_sha256":"33202d624b531caa3ea6f7737d0bafe869bc39832316d9ab9b816cceacb813c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:37.449836Z","signature_b64":"N5uaDSS8zO59qVBVyx3XMtwu6wK1tpGLghHt93LA4ZQPTlcaaTTj6xj0Xoov7isaZamCgOV51i3tKdHL0mdgBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"33202d624b531caa3ea6f7737d0bafe869bc39832316d9ab9b816cceacb813c2","last_reissued_at":"2026-05-17T23:58:37.449163Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:37.449163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.00009","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":"2026-05-17T23:58:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fSIJVM4OIr6Tt2/EZNr3nhnNKcYMLgavxLPWnXCnLKC6Fc5B5whnhvFZJvei854Sjt+ECaimG6Gmu1HRz5xyAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T22:47:20.044117Z"},"content_sha256":"d4203f4a8e62aa37cf492b63a2c9bedc82b62b45146800c07c584bd8487adeaf","schema_version":"1.0","event_id":"sha256:d4203f4a8e62aa37cf492b63a2c9bedc82b62b45146800c07c584bd8487adeaf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GMQC2YSLKMOKUPVG65ZX2C5P5B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Half-filled Landau levels: a continuum and sign-free regularization for 3D quantum critical points","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Fakher F. Assaad, Matteo Ippoliti, Michael P. Zaletel, Roger S. K. Mong","submitted_at":"2018-09-28T18:00:01Z","abstract_excerpt":"We explore a method for regulating 2+1D quantum critical points in which the ultra-violet cutoff is provided by the finite density of states of particles in a magnetic field, rather than by a lattice. Such Landau level quantization allows for numerical computations on arbitrary manifolds, like spheres, without introducing lattice defects. In particular, when half-filling a Landau level with $N=4$ electron flavors, with appropriate interaction anisotropies in flavor space, we obtain a fully continuum regularization of the O(5) non-linear sigma-model with a topological term, which has been conje"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.00009","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":"2026-05-17T23:58:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V4TnnzosNoRlDzVZbcS0e95cj58ewuKkP9PBlap0aSRcxMvxSH7vZEHaOzUAJuU0n1TmyCYayYuv6yHoNDK1Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T22:47:20.044917Z"},"content_sha256":"b258b5baa9fab615fe41737e137b59323fd31ee043bddea781ab616a599e22be","schema_version":"1.0","event_id":"sha256:b258b5baa9fab615fe41737e137b59323fd31ee043bddea781ab616a599e22be"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GMQC2YSLKMOKUPVG65ZX2C5P5B/bundle.json","state_url":"https://pith.science/pith/GMQC2YSLKMOKUPVG65ZX2C5P5B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GMQC2YSLKMOKUPVG65ZX2C5P5B/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":"2026-06-09T22:47:20Z","links":{"resolver":"https://pith.science/pith/GMQC2YSLKMOKUPVG65ZX2C5P5B","bundle":"https://pith.science/pith/GMQC2YSLKMOKUPVG65ZX2C5P5B/bundle.json","state":"https://pith.science/pith/GMQC2YSLKMOKUPVG65ZX2C5P5B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GMQC2YSLKMOKUPVG65ZX2C5P5B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GMQC2YSLKMOKUPVG65ZX2C5P5B","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":"7bf2d2293828abf3fba099a60e3ca51f317aea7d1161e6d0a3dd1eeaee3b3341","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-09-28T18:00:01Z","title_canon_sha256":"9d33e8abc12b0062a424f141cad3292cbe5a66a6417474e9ef1d456564a31e25"},"schema_version":"1.0","source":{"id":"1810.00009","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.00009","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"arxiv_version","alias_value":"1810.00009v1","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.00009","created_at":"2026-05-17T23:58:37Z"},{"alias_kind":"pith_short_12","alias_value":"GMQC2YSLKMOK","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GMQC2YSLKMOKUPVG","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GMQC2YSL","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:b258b5baa9fab615fe41737e137b59323fd31ee043bddea781ab616a599e22be","target":"graph","created_at":"2026-05-17T23:58:37Z","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 explore a method for regulating 2+1D quantum critical points in which the ultra-violet cutoff is provided by the finite density of states of particles in a magnetic field, rather than by a lattice. Such Landau level quantization allows for numerical computations on arbitrary manifolds, like spheres, without introducing lattice defects. In particular, when half-filling a Landau level with $N=4$ electron flavors, with appropriate interaction anisotropies in flavor space, we obtain a fully continuum regularization of the O(5) non-linear sigma-model with a topological term, which has been conje","authors_text":"Fakher F. Assaad, Matteo Ippoliti, Michael P. Zaletel, Roger S. K. Mong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-09-28T18:00:01Z","title":"Half-filled Landau levels: a continuum and sign-free regularization for 3D quantum critical points"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.00009","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:d4203f4a8e62aa37cf492b63a2c9bedc82b62b45146800c07c584bd8487adeaf","target":"record","created_at":"2026-05-17T23:58:37Z","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":"7bf2d2293828abf3fba099a60e3ca51f317aea7d1161e6d0a3dd1eeaee3b3341","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-09-28T18:00:01Z","title_canon_sha256":"9d33e8abc12b0062a424f141cad3292cbe5a66a6417474e9ef1d456564a31e25"},"schema_version":"1.0","source":{"id":"1810.00009","kind":"arxiv","version":1}},"canonical_sha256":"33202d624b531caa3ea6f7737d0bafe869bc39832316d9ab9b816cceacb813c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"33202d624b531caa3ea6f7737d0bafe869bc39832316d9ab9b816cceacb813c2","first_computed_at":"2026-05-17T23:58:37.449163Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:37.449163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N5uaDSS8zO59qVBVyx3XMtwu6wK1tpGLghHt93LA4ZQPTlcaaTTj6xj0Xoov7isaZamCgOV51i3tKdHL0mdgBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:37.449836Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.00009","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4203f4a8e62aa37cf492b63a2c9bedc82b62b45146800c07c584bd8487adeaf","sha256:b258b5baa9fab615fe41737e137b59323fd31ee043bddea781ab616a599e22be"],"state_sha256":"a4645181895de575d7744332774caedf15997cc0e9f532cb1aca15f82b832db3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Q2RFK9fq1BaKtX9PiPYGDXY3NZDFeS6uStQmJTzAtq95eIObAV4W9nnYrNELQG9oLajsut3w+H1DWtXoNNwCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T22:47:20.049246Z","bundle_sha256":"f0036d10dd4134c38ef575b0f49ad7717154e464f01d512e9251905fed3fb021"}}