{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:K5MV6YPIOGII6NKEGRGPU56DAY","short_pith_number":"pith:K5MV6YPI","canonical_record":{"source":{"id":"2105.10977","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-05-23T17:15:03Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el","hep-ph"],"title_canon_sha256":"0f88acd7fd00d4a574deae159e5531184f45a7725aa696a1dbc1794f29abc16d","abstract_canon_sha256":"7ca99e00b01a3746c78a37b9d2bccaf6b0fbbf35ff4547f388e2c30946785943"},"schema_version":"1.0"},"canonical_sha256":"57595f61e871908f3544344cfa77c3060f67a370aec0efd274eb9792dad25b77","source":{"kind":"arxiv","id":"2105.10977","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.10977","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"arxiv_version","alias_value":"2105.10977v2","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.10977","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_12","alias_value":"K5MV6YPIOGII","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_16","alias_value":"K5MV6YPIOGII6NKE","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_8","alias_value":"K5MV6YPI","created_at":"2026-07-05T03:34:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:K5MV6YPIOGII6NKEGRGPU56DAY","target":"record","payload":{"canonical_record":{"source":{"id":"2105.10977","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-05-23T17:15:03Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el","hep-ph"],"title_canon_sha256":"0f88acd7fd00d4a574deae159e5531184f45a7725aa696a1dbc1794f29abc16d","abstract_canon_sha256":"7ca99e00b01a3746c78a37b9d2bccaf6b0fbbf35ff4547f388e2c30946785943"},"schema_version":"1.0"},"canonical_sha256":"57595f61e871908f3544344cfa77c3060f67a370aec0efd274eb9792dad25b77","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:34:25.785987Z","signature_b64":"+b3gYFX6qBX7K6Q65kozk1WmCXDELphZCUlNTRlWPyC/q0jHEUXvm2ydMuDU2LFIrHkYLe/VVulJz4pevv9iBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57595f61e871908f3544344cfa77c3060f67a370aec0efd274eb9792dad25b77","last_reissued_at":"2026-07-05T03:34:25.785559Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:34:25.785559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.10977","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":"2026-07-05T03:34:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sRhgf272vqrNjwLm8dYu5xGRffoyWvsbJdHfHCsZJVLTQCtU4yO5nvtsTQ7BJPUPH/fZoRDEZur8QgZBGE/OCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-23T15:33:28.078499Z"},"content_sha256":"1373e482e27fc364dc97d7ab70185c133e465ccd12de4496dabd4767091e129f","schema_version":"1.0","event_id":"sha256:1373e482e27fc364dc97d7ab70185c133e465ccd12de4496dabd4767091e129f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:K5MV6YPIOGII6NKEGRGPU56DAY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Naive Lattice Fermion without Doublers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el","hep-ph"],"primary_cat":"hep-lat","authors_text":"Chen-Te Ma, Hui Zhang, Xingyu Guo","submitted_at":"2021-05-23T17:15:03Z","abstract_excerpt":"We discuss the naive lattice fermion without the issue of doublers. A local lattice massless fermion action with chiral symmetry and hermiticity cannot avoid the doubling problem from the Nielsen-Ninomiya theorem. Here we adopt the forward finite-difference deforming the $\\gamma_5$-hermiticity but preserving the continuum chiral-symmetry. The lattice momentum is not hermitian without the continuum limit now. We demonstrate that there is no doubling issue from an exact solution. The propagator only has one pole in the first-order accuracy. Therefore, it is hard to know the avoiding due to the n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.10977","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2105.10977/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:34:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"akcNbWaQVervcQ8dUOOOJaEp2Oj1ihtjM90LWpVZTzDjA47tLJSgDuGdQRQSsgvqGZcaz5X2EhEU/CiVx24+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-23T15:33:28.078876Z"},"content_sha256":"d072629048238747eba55510ffea1dc29c177eb78024f4e5f572cbaf48658d5c","schema_version":"1.0","event_id":"sha256:d072629048238747eba55510ffea1dc29c177eb78024f4e5f572cbaf48658d5c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K5MV6YPIOGII6NKEGRGPU56DAY/bundle.json","state_url":"https://pith.science/pith/K5MV6YPIOGII6NKEGRGPU56DAY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K5MV6YPIOGII6NKEGRGPU56DAY/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":"2026-07-23T15:33:28Z","links":{"resolver":"https://pith.science/pith/K5MV6YPIOGII6NKEGRGPU56DAY","bundle":"https://pith.science/pith/K5MV6YPIOGII6NKEGRGPU56DAY/bundle.json","state":"https://pith.science/pith/K5MV6YPIOGII6NKEGRGPU56DAY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K5MV6YPIOGII6NKEGRGPU56DAY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:K5MV6YPIOGII6NKEGRGPU56DAY","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":"7ca99e00b01a3746c78a37b9d2bccaf6b0fbbf35ff4547f388e2c30946785943","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-05-23T17:15:03Z","title_canon_sha256":"0f88acd7fd00d4a574deae159e5531184f45a7725aa696a1dbc1794f29abc16d"},"schema_version":"1.0","source":{"id":"2105.10977","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.10977","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"arxiv_version","alias_value":"2105.10977v2","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.10977","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_12","alias_value":"K5MV6YPIOGII","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_16","alias_value":"K5MV6YPIOGII6NKE","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_8","alias_value":"K5MV6YPI","created_at":"2026-07-05T03:34:25Z"}],"graph_snapshots":[{"event_id":"sha256:d072629048238747eba55510ffea1dc29c177eb78024f4e5f572cbaf48658d5c","target":"graph","created_at":"2026-07-05T03:34:25Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2105.10977/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We discuss the naive lattice fermion without the issue of doublers. A local lattice massless fermion action with chiral symmetry and hermiticity cannot avoid the doubling problem from the Nielsen-Ninomiya theorem. Here we adopt the forward finite-difference deforming the $\\gamma_5$-hermiticity but preserving the continuum chiral-symmetry. The lattice momentum is not hermitian without the continuum limit now. We demonstrate that there is no doubling issue from an exact solution. The propagator only has one pole in the first-order accuracy. Therefore, it is hard to know the avoiding due to the n","authors_text":"Chen-Te Ma, Hui Zhang, Xingyu Guo","cross_cats":["cond-mat.mes-hall","cond-mat.str-el","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-05-23T17:15:03Z","title":"Naive Lattice Fermion without Doublers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.10977","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":"sha256:1373e482e27fc364dc97d7ab70185c133e465ccd12de4496dabd4767091e129f","target":"record","created_at":"2026-07-05T03:34:25Z","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":"7ca99e00b01a3746c78a37b9d2bccaf6b0fbbf35ff4547f388e2c30946785943","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2021-05-23T17:15:03Z","title_canon_sha256":"0f88acd7fd00d4a574deae159e5531184f45a7725aa696a1dbc1794f29abc16d"},"schema_version":"1.0","source":{"id":"2105.10977","kind":"arxiv","version":2}},"canonical_sha256":"57595f61e871908f3544344cfa77c3060f67a370aec0efd274eb9792dad25b77","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57595f61e871908f3544344cfa77c3060f67a370aec0efd274eb9792dad25b77","first_computed_at":"2026-07-05T03:34:25.785559Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:34:25.785559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+b3gYFX6qBX7K6Q65kozk1WmCXDELphZCUlNTRlWPyC/q0jHEUXvm2ydMuDU2LFIrHkYLe/VVulJz4pevv9iBg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:34:25.785987Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.10977","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1373e482e27fc364dc97d7ab70185c133e465ccd12de4496dabd4767091e129f","sha256:d072629048238747eba55510ffea1dc29c177eb78024f4e5f572cbaf48658d5c"],"state_sha256":"c7a663800338978eb1322f9db7e76f62609e124d7dbefc081c246ecf10d11bcf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZzKDpbrMGXX1vzATXfnlr8yYS6U7CSsA0SLnO7XE+kCYXubPcYi0tQRsGCUs3sEiUOTo526G5QE5UgMkNrJIBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-23T15:33:28.081542Z","bundle_sha256":"8f722025cad74662615b6ac5981cabc71d6f4addfdb4079a25819033edc925ca"}}