{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:FBZZVXLA74WMVGOFYTFR65WPLA","short_pith_number":"pith:FBZZVXLA","canonical_record":{"source":{"id":"1804.06574","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2018-04-18T06:59:54Z","cross_cats_sorted":[],"title_canon_sha256":"fd9ce20d0a6ba50fc408f51357cf1df5ef6df0a010236393be365958ffe81a65","abstract_canon_sha256":"7b34267bc1a2be46a8308e6be5bc09093766dff354643b64151333311bfea20a"},"schema_version":"1.0"},"canonical_sha256":"28739add60ff2cca99c5c4cb1f76cf580609fb3d3c05d1ae2e3550197939c053","source":{"kind":"arxiv","id":"1804.06574","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.06574","created_at":"2026-05-18T00:06:46Z"},{"alias_kind":"arxiv_version","alias_value":"1804.06574v2","created_at":"2026-05-18T00:06:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.06574","created_at":"2026-05-18T00:06:46Z"},{"alias_kind":"pith_short_12","alias_value":"FBZZVXLA74WM","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FBZZVXLA74WMVGOF","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FBZZVXLA","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:FBZZVXLA74WMVGOFYTFR65WPLA","target":"record","payload":{"canonical_record":{"source":{"id":"1804.06574","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2018-04-18T06:59:54Z","cross_cats_sorted":[],"title_canon_sha256":"fd9ce20d0a6ba50fc408f51357cf1df5ef6df0a010236393be365958ffe81a65","abstract_canon_sha256":"7b34267bc1a2be46a8308e6be5bc09093766dff354643b64151333311bfea20a"},"schema_version":"1.0"},"canonical_sha256":"28739add60ff2cca99c5c4cb1f76cf580609fb3d3c05d1ae2e3550197939c053","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:46.101609Z","signature_b64":"GEFCzL0/kucC3VF79KE6p4ajoefZB6rv3oV+evm9BthptBjjnQe6y8Tr18DwZM+ea5yOdWS+9wVLeiOKuoPzBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28739add60ff2cca99c5c4cb1f76cf580609fb3d3c05d1ae2e3550197939c053","last_reissued_at":"2026-05-18T00:06:46.101028Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:46.101028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.06574","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":"2026-05-18T00:06:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iaHlWpKMZ/iczDomv+onBDIy+4gsxk/mf/AQQaFAGHAtQlRMyndcM4urX9xP6FzPHcfYW2dxVCu9cV3veTgXAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:50:29.374903Z"},"content_sha256":"49ef878b88a1252badef413099aaba21381c8452323e9a279e736b498e04322d","schema_version":"1.0","event_id":"sha256:49ef878b88a1252badef413099aaba21381c8452323e9a279e736b498e04322d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:FBZZVXLA74WMVGOFYTFR65WPLA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutron magnetic polarisability with Landau mode operators","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Derek Leinweber, Jonathan Hall, Matthias Burkardt, Ryan Bignell, Waseem Kamleh","submitted_at":"2018-04-18T06:59:54Z","abstract_excerpt":"The application of a uniform background magnetic field makes standard quark operators utilising gauge-covariant Gaussian smearing inefficient at isolating the ground state nucleon at nontrivial field strengths. In the absence of QCD interactions, Landau modes govern the quark energy levels. There is evidence that residual Landau mode effects remain when the strong interaction is turned on. Here we introduce novel quark operators constructed from the two-dimensional $U(1)$ Laplacian eigenmodes that describe the Landau levels of a charged particle on a periodic finite lattice. These eigenmode-pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.06574","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":"2026-05-18T00:06:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sLfadBuHFETcWPAVJkRha0e+tQaijCmGucIjB5EHNDGifnlpP3crxibPy4RlnhETlxC4raqx4vp43PMRO67eCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:50:29.375512Z"},"content_sha256":"b84b4c1eb128bc65847cd54bc669c47f75218e9b6ea096b8848251e1f9b389cd","schema_version":"1.0","event_id":"sha256:b84b4c1eb128bc65847cd54bc669c47f75218e9b6ea096b8848251e1f9b389cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FBZZVXLA74WMVGOFYTFR65WPLA/bundle.json","state_url":"https://pith.science/pith/FBZZVXLA74WMVGOFYTFR65WPLA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FBZZVXLA74WMVGOFYTFR65WPLA/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":"2026-05-28T04:50:29Z","links":{"resolver":"https://pith.science/pith/FBZZVXLA74WMVGOFYTFR65WPLA","bundle":"https://pith.science/pith/FBZZVXLA74WMVGOFYTFR65WPLA/bundle.json","state":"https://pith.science/pith/FBZZVXLA74WMVGOFYTFR65WPLA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FBZZVXLA74WMVGOFYTFR65WPLA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FBZZVXLA74WMVGOFYTFR65WPLA","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":"7b34267bc1a2be46a8308e6be5bc09093766dff354643b64151333311bfea20a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2018-04-18T06:59:54Z","title_canon_sha256":"fd9ce20d0a6ba50fc408f51357cf1df5ef6df0a010236393be365958ffe81a65"},"schema_version":"1.0","source":{"id":"1804.06574","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.06574","created_at":"2026-05-18T00:06:46Z"},{"alias_kind":"arxiv_version","alias_value":"1804.06574v2","created_at":"2026-05-18T00:06:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.06574","created_at":"2026-05-18T00:06:46Z"},{"alias_kind":"pith_short_12","alias_value":"FBZZVXLA74WM","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FBZZVXLA74WMVGOF","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FBZZVXLA","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:b84b4c1eb128bc65847cd54bc669c47f75218e9b6ea096b8848251e1f9b389cd","target":"graph","created_at":"2026-05-18T00:06:46Z","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 application of a uniform background magnetic field makes standard quark operators utilising gauge-covariant Gaussian smearing inefficient at isolating the ground state nucleon at nontrivial field strengths. In the absence of QCD interactions, Landau modes govern the quark energy levels. There is evidence that residual Landau mode effects remain when the strong interaction is turned on. Here we introduce novel quark operators constructed from the two-dimensional $U(1)$ Laplacian eigenmodes that describe the Landau levels of a charged particle on a periodic finite lattice. These eigenmode-pr","authors_text":"Derek Leinweber, Jonathan Hall, Matthias Burkardt, Ryan Bignell, Waseem Kamleh","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2018-04-18T06:59:54Z","title":"Neutron magnetic polarisability with Landau mode operators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.06574","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":"sha256:49ef878b88a1252badef413099aaba21381c8452323e9a279e736b498e04322d","target":"record","created_at":"2026-05-18T00:06:46Z","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":"7b34267bc1a2be46a8308e6be5bc09093766dff354643b64151333311bfea20a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2018-04-18T06:59:54Z","title_canon_sha256":"fd9ce20d0a6ba50fc408f51357cf1df5ef6df0a010236393be365958ffe81a65"},"schema_version":"1.0","source":{"id":"1804.06574","kind":"arxiv","version":2}},"canonical_sha256":"28739add60ff2cca99c5c4cb1f76cf580609fb3d3c05d1ae2e3550197939c053","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28739add60ff2cca99c5c4cb1f76cf580609fb3d3c05d1ae2e3550197939c053","first_computed_at":"2026-05-18T00:06:46.101028Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:46.101028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GEFCzL0/kucC3VF79KE6p4ajoefZB6rv3oV+evm9BthptBjjnQe6y8Tr18DwZM+ea5yOdWS+9wVLeiOKuoPzBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:46.101609Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.06574","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49ef878b88a1252badef413099aaba21381c8452323e9a279e736b498e04322d","sha256:b84b4c1eb128bc65847cd54bc669c47f75218e9b6ea096b8848251e1f9b389cd"],"state_sha256":"a94885fc951d9d4b95dee246627dd0a77c4244c6e9a019c8981714b41bfbe99f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oUEsXQMMkmV4NUe12y0JUw06Xh6QUfb489vb/3sVe7Pi+oAVGMN7NSn7q0+WUn2ddbURdU8LDKZhRrCPtQaICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T04:50:29.378046Z","bundle_sha256":"6ff600ec392e97bc699b17eda4c993092784d560b6a6636bbcfa29e7c708907b"}}