{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:DIRHBUN236NHXQ5S7IQ5MYJ5MT","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":"2d7dabdfc9fb9d8a04ce29cf1203f9e63e6a47338fd06d7b825d05bf7bb90e64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2009-04-07T16:36:39Z","title_canon_sha256":"03c82f55bda56622be2091adc13858ebb1d45a217b8244525fe38012355c9a51"},"schema_version":"1.0","source":{"id":"0904.1179","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.1179","created_at":"2026-05-18T03:52:26Z"},{"alias_kind":"arxiv_version","alias_value":"0904.1179v1","created_at":"2026-05-18T03:52:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.1179","created_at":"2026-05-18T03:52:26Z"},{"alias_kind":"pith_short_12","alias_value":"DIRHBUN236NH","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"DIRHBUN236NHXQ5S","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"DIRHBUN2","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:cd97f2555d59b96d8707d018b2fc02b60b99d2e127e9b0f41b078210d846ff9d","target":"graph","created_at":"2026-05-18T03:52:26Z","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 study the performance of MPI checkerboard code for SU(3) lattice gauge theory as function of the number of MPI processes, which run in parallel on an identical number of CPU cores. Computing platforms explored are a small PC cluster at FSU and the Cray at NERSC.","authors_text":"Bernd A. Berg, Hao Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2009-04-07T16:36:39Z","title":"Fortran MPI Checkerboard Code for SU(3) Lattice Gauge Theory II"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.1179","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:cd7129106ad017b2d1d4107a29be0a9127cdc63252459c9e52ef75d83c66b0b5","target":"record","created_at":"2026-05-18T03:52:26Z","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":"2d7dabdfc9fb9d8a04ce29cf1203f9e63e6a47338fd06d7b825d05bf7bb90e64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2009-04-07T16:36:39Z","title_canon_sha256":"03c82f55bda56622be2091adc13858ebb1d45a217b8244525fe38012355c9a51"},"schema_version":"1.0","source":{"id":"0904.1179","kind":"arxiv","version":1}},"canonical_sha256":"1a2270d1badf9a7bc3b2fa21d6613d64f353d2d828ec79b8433e4dca2be1a548","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a2270d1badf9a7bc3b2fa21d6613d64f353d2d828ec79b8433e4dca2be1a548","first_computed_at":"2026-05-18T03:52:26.762565Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:52:26.762565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/zQl2xOP4SK9nRewi0xtDLegTIzXuHxL9OmnJ4FV4AoIdb5fDjJV4LNIfotv1uok7CvDiGTlvEZCc9x4dba/Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:52:26.763237Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.1179","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd7129106ad017b2d1d4107a29be0a9127cdc63252459c9e52ef75d83c66b0b5","sha256:cd97f2555d59b96d8707d018b2fc02b60b99d2e127e9b0f41b078210d846ff9d"],"state_sha256":"6d15c573d6d987751aaa9cd3f846146167d8cf2bd64c29f1ee136b4abafcd0f7"}