{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IQMOZ2A3UMW43OK2QABYRVLOYH","short_pith_number":"pith:IQMOZ2A3","canonical_record":{"source":{"id":"1411.4262","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-11-16T14:25:29Z","cross_cats_sorted":[],"title_canon_sha256":"bcdbd6c7df7d256c46b3a17b33b7f4899db034db68c91d57aa950ce0077070bf","abstract_canon_sha256":"826b5e729d59c631c67b253acdc1efe4f9332bd882613ed3817522a3eb9614be"},"schema_version":"1.0"},"canonical_sha256":"4418ece81ba32dcdb95a800388d56ec1da127065be314d95d18836c5f6756a7d","source":{"kind":"arxiv","id":"1411.4262","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.4262","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"arxiv_version","alias_value":"1411.4262v1","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.4262","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"pith_short_12","alias_value":"IQMOZ2A3UMW4","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IQMOZ2A3UMW43OK2","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IQMOZ2A3","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IQMOZ2A3UMW43OK2QABYRVLOYH","target":"record","payload":{"canonical_record":{"source":{"id":"1411.4262","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-11-16T14:25:29Z","cross_cats_sorted":[],"title_canon_sha256":"bcdbd6c7df7d256c46b3a17b33b7f4899db034db68c91d57aa950ce0077070bf","abstract_canon_sha256":"826b5e729d59c631c67b253acdc1efe4f9332bd882613ed3817522a3eb9614be"},"schema_version":"1.0"},"canonical_sha256":"4418ece81ba32dcdb95a800388d56ec1da127065be314d95d18836c5f6756a7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:46.087044Z","signature_b64":"X0NvDRH7PusMFrmlBhqm5131wD5nsnbUZthc19qvdNGnI+HY7S/lkQJvTV/sCFUDFBI9LbyDKMUrWamE2JxtDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4418ece81ba32dcdb95a800388d56ec1da127065be314d95d18836c5f6756a7d","last_reissued_at":"2026-05-18T02:35:46.086589Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:46.086589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.4262","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":"2026-05-18T02:35:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bmz1FwE3nYwJNK2focNeX5XaneRvVpNkYpVS39PSIe0h7r8Z173jkNWsiK3lXWxyc+bXKkR84RL4R3VpwH4zBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T04:29:51.762476Z"},"content_sha256":"2c06332ef12ba580cabd7bff7d54ba6bc07461d88da3c757333ce06d8d1d8edb","schema_version":"1.0","event_id":"sha256:2c06332ef12ba580cabd7bff7d54ba6bc07461d88da3c757333ce06d8d1d8edb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IQMOZ2A3UMW43OK2QABYRVLOYH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A filtering technique for the temporally reduced matrix of the Wilson fermion determinant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Akira Imakura, Keitaro Nagata, Shoji Hashimoto, Tetsuya Sakurai, Yasunori Futamura","submitted_at":"2014-11-16T14:25:29Z","abstract_excerpt":"The Wilson fermion determinant can be written in the form of a series expansion in fugacity $\\xi=\\exp(\\mu/T)$, provided that the eigenmodes of the temporally reduced operator are obtained. Since the calculation of all eigenmodes rapidly becomes prohibitive for larger volumes, we develop a method to calculate only the low-energy eigenmodes of the reduced matrix using a matrix filetering technique. This provides a basis for an approximation to neglect uninteresting ultraviolet contributions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.4262","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":"2026-05-18T02:35:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rWmITaosVeqBllLTG+3tXkhEeRv0nhMxVdLipoHjHPF2ZakXP6e0hP/6OZGxO1JFw9phya2tWHemCn2NTNufCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T04:29:51.763132Z"},"content_sha256":"37a20298aa727ea78368e875c752a5fa8f0a20d9d72b999b526ed5a7943032f8","schema_version":"1.0","event_id":"sha256:37a20298aa727ea78368e875c752a5fa8f0a20d9d72b999b526ed5a7943032f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IQMOZ2A3UMW43OK2QABYRVLOYH/bundle.json","state_url":"https://pith.science/pith/IQMOZ2A3UMW43OK2QABYRVLOYH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IQMOZ2A3UMW43OK2QABYRVLOYH/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":"2026-06-09T04:29:51Z","links":{"resolver":"https://pith.science/pith/IQMOZ2A3UMW43OK2QABYRVLOYH","bundle":"https://pith.science/pith/IQMOZ2A3UMW43OK2QABYRVLOYH/bundle.json","state":"https://pith.science/pith/IQMOZ2A3UMW43OK2QABYRVLOYH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IQMOZ2A3UMW43OK2QABYRVLOYH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IQMOZ2A3UMW43OK2QABYRVLOYH","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":"826b5e729d59c631c67b253acdc1efe4f9332bd882613ed3817522a3eb9614be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-11-16T14:25:29Z","title_canon_sha256":"bcdbd6c7df7d256c46b3a17b33b7f4899db034db68c91d57aa950ce0077070bf"},"schema_version":"1.0","source":{"id":"1411.4262","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.4262","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"arxiv_version","alias_value":"1411.4262v1","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.4262","created_at":"2026-05-18T02:35:46Z"},{"alias_kind":"pith_short_12","alias_value":"IQMOZ2A3UMW4","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IQMOZ2A3UMW43OK2","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IQMOZ2A3","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:37a20298aa727ea78368e875c752a5fa8f0a20d9d72b999b526ed5a7943032f8","target":"graph","created_at":"2026-05-18T02:35:46Z","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 Wilson fermion determinant can be written in the form of a series expansion in fugacity $\\xi=\\exp(\\mu/T)$, provided that the eigenmodes of the temporally reduced operator are obtained. Since the calculation of all eigenmodes rapidly becomes prohibitive for larger volumes, we develop a method to calculate only the low-energy eigenmodes of the reduced matrix using a matrix filetering technique. This provides a basis for an approximation to neglect uninteresting ultraviolet contributions.","authors_text":"Akira Imakura, Keitaro Nagata, Shoji Hashimoto, Tetsuya Sakurai, Yasunori Futamura","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-11-16T14:25:29Z","title":"A filtering technique for the temporally reduced matrix of the Wilson fermion determinant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.4262","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":"sha256:2c06332ef12ba580cabd7bff7d54ba6bc07461d88da3c757333ce06d8d1d8edb","target":"record","created_at":"2026-05-18T02:35:46Z","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":"826b5e729d59c631c67b253acdc1efe4f9332bd882613ed3817522a3eb9614be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-11-16T14:25:29Z","title_canon_sha256":"bcdbd6c7df7d256c46b3a17b33b7f4899db034db68c91d57aa950ce0077070bf"},"schema_version":"1.0","source":{"id":"1411.4262","kind":"arxiv","version":1}},"canonical_sha256":"4418ece81ba32dcdb95a800388d56ec1da127065be314d95d18836c5f6756a7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4418ece81ba32dcdb95a800388d56ec1da127065be314d95d18836c5f6756a7d","first_computed_at":"2026-05-18T02:35:46.086589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:35:46.086589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X0NvDRH7PusMFrmlBhqm5131wD5nsnbUZthc19qvdNGnI+HY7S/lkQJvTV/sCFUDFBI9LbyDKMUrWamE2JxtDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:35:46.087044Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.4262","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c06332ef12ba580cabd7bff7d54ba6bc07461d88da3c757333ce06d8d1d8edb","sha256:37a20298aa727ea78368e875c752a5fa8f0a20d9d72b999b526ed5a7943032f8"],"state_sha256":"af373ce3c1a2e7c2eb58b60c9466e899f09981ac93d6ea5c7967f16073961a46"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XvHnduB/S9hBznRiUn45Mqo205dVZ9l+8SHiUdgIPxTmcSs6/NC5K5UlUul44MtleQ74h9TIWeX9BQNhE42PCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T04:29:51.766747Z","bundle_sha256":"b0287951831a881ca07a6985ef0a8923ca92e6879509f501536dd6c300af646f"}}