{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LUZNXCTB7DRU5H7SPH6PBBBLO2","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":"a760430f3b25cf959625f82e97caf343dd52c1e5c106800e948c4de064dab4fc","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-10-31T17:45:10Z","title_canon_sha256":"8f719244d7aa2c2b97424eef48213d9e69c4a2f8bf0e0e6ebdcad06c9222c574"},"schema_version":"1.0","source":{"id":"1810.13432","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.13432","created_at":"2026-05-17T23:54:22Z"},{"alias_kind":"arxiv_version","alias_value":"1810.13432v2","created_at":"2026-05-17T23:54:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.13432","created_at":"2026-05-17T23:54:22Z"},{"alias_kind":"pith_short_12","alias_value":"LUZNXCTB7DRU","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LUZNXCTB7DRU5H7S","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LUZNXCTB","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:c45b755e443ee772aa96207e4d47084d3b1ae0a6feb25d50bfee37bda927e859","target":"graph","created_at":"2026-05-17T23:54:22Z","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":"For large-scale simulation codes with huge and complex code bases, where bit-for-bit comparisons are too restrictive, finding the source of statistically significant discrepancies (e.g., from a previous version, alternative hardware or supporting software stack) in output is non-trivial at best. Although there are many tools for program comprehension through debugging or slicing, few (if any) scale to a model as large as the Community Earth System Model (CESM; trademarked), which consists of more than 1.5 million lines of Fortran code. Currently for the CESM, we can easily determine whether a ","authors_text":"Allison H. Baker, Daniel J. Milroy, Dorit M. Hammerling, Elizabeth R. Jessup, Thomas Hauser, Youngsung Kim","cross_cats":["cs.PL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-10-31T17:45:10Z","title":"Making root cause analysis feasible for large code bases: a solution approach for a climate model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.13432","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:a1b06a0792d3ac91c048cd63faca42526d94a0e46102cf533ceb58b8592e5070","target":"record","created_at":"2026-05-17T23:54:22Z","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":"a760430f3b25cf959625f82e97caf343dd52c1e5c106800e948c4de064dab4fc","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-10-31T17:45:10Z","title_canon_sha256":"8f719244d7aa2c2b97424eef48213d9e69c4a2f8bf0e0e6ebdcad06c9222c574"},"schema_version":"1.0","source":{"id":"1810.13432","kind":"arxiv","version":2}},"canonical_sha256":"5d32db8a61f8e34e9ff279fcf0842b76a31f61650e3e91874b01bf83d65454bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d32db8a61f8e34e9ff279fcf0842b76a31f61650e3e91874b01bf83d65454bf","first_computed_at":"2026-05-17T23:54:22.215895Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:22.215895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iPKDdRtDGHAWw8UbYMNf1D/kF9KguRwWqda0BtXnn6JC29vgiug4arUriUIX1wplSiYj3I0evVqUMkw7hNDLCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:22.216411Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.13432","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1b06a0792d3ac91c048cd63faca42526d94a0e46102cf533ceb58b8592e5070","sha256:c45b755e443ee772aa96207e4d47084d3b1ae0a6feb25d50bfee37bda927e859"],"state_sha256":"aed1c74289f19f7f22d1b93957c6c31e565d4884cc28811793c3e829fac3f7c7"}