{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7SZ2MG5HSM3S64AIJZEMHZJ2DS","short_pith_number":"pith:7SZ2MG5H","canonical_record":{"source":{"id":"1310.8456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-10-31T10:57:39Z","cross_cats_sorted":[],"title_canon_sha256":"660aaf65c696c44dbe88e1a9ff9bb2dc95a88119d576432caf5655bec2b03572","abstract_canon_sha256":"c76bf52455182f6a8cc213e99e639f1c0dafe7a7997acf0ddf3a233573e61de2"},"schema_version":"1.0"},"canonical_sha256":"fcb3a61ba793372f70084e48c3e53a1c84c3845c3a3e9d0545685a63d3b75d03","source":{"kind":"arxiv","id":"1310.8456","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.8456","created_at":"2026-05-18T03:08:16Z"},{"alias_kind":"arxiv_version","alias_value":"1310.8456v1","created_at":"2026-05-18T03:08:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.8456","created_at":"2026-05-18T03:08:16Z"},{"alias_kind":"pith_short_12","alias_value":"7SZ2MG5HSM3S","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7SZ2MG5HSM3S64AI","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7SZ2MG5H","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7SZ2MG5HSM3S64AIJZEMHZJ2DS","target":"record","payload":{"canonical_record":{"source":{"id":"1310.8456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-10-31T10:57:39Z","cross_cats_sorted":[],"title_canon_sha256":"660aaf65c696c44dbe88e1a9ff9bb2dc95a88119d576432caf5655bec2b03572","abstract_canon_sha256":"c76bf52455182f6a8cc213e99e639f1c0dafe7a7997acf0ddf3a233573e61de2"},"schema_version":"1.0"},"canonical_sha256":"fcb3a61ba793372f70084e48c3e53a1c84c3845c3a3e9d0545685a63d3b75d03","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:16.992691Z","signature_b64":"n/KUxzUMG8NPoGqGuelx2rdUqIKemzeHchJOFpfz4TBK1gEmXLC9p6tQ6OnUGMKSmXcyumLXvh3RVsPerTKRAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcb3a61ba793372f70084e48c3e53a1c84c3845c3a3e9d0545685a63d3b75d03","last_reissued_at":"2026-05-18T03:08:16.991877Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:16.991877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.8456","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":"2026-05-18T03:08:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cj1ziV5jzU0oHf5TzwqGRiXJCUpgO5bEeDrjDMwLqx9BARJMpqlPgq/3iEo4Gd42O3DVtze1yFU7aMLuDxaJDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:40:36.032996Z"},"content_sha256":"db9f4c65ad6102adf47f0b12b387ab6dacf77875a1238150056f9f39c9f10e17","schema_version":"1.0","event_id":"sha256:db9f4c65ad6102adf47f0b12b387ab6dacf77875a1238150056f9f39c9f10e17"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7SZ2MG5HSM3S64AIJZEMHZJ2DS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal Checkpointing Period: Time vs. Energy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Anne Benoit, Guillaume Aupy, Jack Dongarra, Thomas H\\'erault, Yves Robert","submitted_at":"2013-10-31T10:57:39Z","abstract_excerpt":"This short paper deals with parallel scientific applications using non-blocking and periodic coordinated checkpointing to enforce resilience. We provide a model and detailed formulas for total execution time and consumed energy. We characterize the optimal period for both objectives, and we assess the range of time/energy trade-offs to be made by instantiating the model with a set of realistic scenarios for Exascale systems. We give a particular emphasis to I/O transfers, because the relative cost of communication is expected to dramatically increase, both in terms of latency and consumed ener"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.8456","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":"2026-05-18T03:08:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rM7yJvsLIPGtKBSNKSTkrxcpnqRzf0yzLLB2nG7zI85R5NDX+bwUICDnk3gJqpiqXliYtBeQkpvu4vPMkEopAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:40:36.033656Z"},"content_sha256":"1617e182de5e7d135a27995d0b0778d320c5ba687e41412c59a74a3020de1ab5","schema_version":"1.0","event_id":"sha256:1617e182de5e7d135a27995d0b0778d320c5ba687e41412c59a74a3020de1ab5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7SZ2MG5HSM3S64AIJZEMHZJ2DS/bundle.json","state_url":"https://pith.science/pith/7SZ2MG5HSM3S64AIJZEMHZJ2DS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7SZ2MG5HSM3S64AIJZEMHZJ2DS/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":"2026-05-30T02:40:36Z","links":{"resolver":"https://pith.science/pith/7SZ2MG5HSM3S64AIJZEMHZJ2DS","bundle":"https://pith.science/pith/7SZ2MG5HSM3S64AIJZEMHZJ2DS/bundle.json","state":"https://pith.science/pith/7SZ2MG5HSM3S64AIJZEMHZJ2DS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7SZ2MG5HSM3S64AIJZEMHZJ2DS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7SZ2MG5HSM3S64AIJZEMHZJ2DS","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":"c76bf52455182f6a8cc213e99e639f1c0dafe7a7997acf0ddf3a233573e61de2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-10-31T10:57:39Z","title_canon_sha256":"660aaf65c696c44dbe88e1a9ff9bb2dc95a88119d576432caf5655bec2b03572"},"schema_version":"1.0","source":{"id":"1310.8456","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.8456","created_at":"2026-05-18T03:08:16Z"},{"alias_kind":"arxiv_version","alias_value":"1310.8456v1","created_at":"2026-05-18T03:08:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.8456","created_at":"2026-05-18T03:08:16Z"},{"alias_kind":"pith_short_12","alias_value":"7SZ2MG5HSM3S","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7SZ2MG5HSM3S64AI","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7SZ2MG5H","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:1617e182de5e7d135a27995d0b0778d320c5ba687e41412c59a74a3020de1ab5","target":"graph","created_at":"2026-05-18T03:08:16Z","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":"This short paper deals with parallel scientific applications using non-blocking and periodic coordinated checkpointing to enforce resilience. We provide a model and detailed formulas for total execution time and consumed energy. We characterize the optimal period for both objectives, and we assess the range of time/energy trade-offs to be made by instantiating the model with a set of realistic scenarios for Exascale systems. We give a particular emphasis to I/O transfers, because the relative cost of communication is expected to dramatically increase, both in terms of latency and consumed ener","authors_text":"Anne Benoit, Guillaume Aupy, Jack Dongarra, Thomas H\\'erault, Yves Robert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-10-31T10:57:39Z","title":"Optimal Checkpointing Period: Time vs. Energy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.8456","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:db9f4c65ad6102adf47f0b12b387ab6dacf77875a1238150056f9f39c9f10e17","target":"record","created_at":"2026-05-18T03:08:16Z","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":"c76bf52455182f6a8cc213e99e639f1c0dafe7a7997acf0ddf3a233573e61de2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-10-31T10:57:39Z","title_canon_sha256":"660aaf65c696c44dbe88e1a9ff9bb2dc95a88119d576432caf5655bec2b03572"},"schema_version":"1.0","source":{"id":"1310.8456","kind":"arxiv","version":1}},"canonical_sha256":"fcb3a61ba793372f70084e48c3e53a1c84c3845c3a3e9d0545685a63d3b75d03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fcb3a61ba793372f70084e48c3e53a1c84c3845c3a3e9d0545685a63d3b75d03","first_computed_at":"2026-05-18T03:08:16.991877Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:08:16.991877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n/KUxzUMG8NPoGqGuelx2rdUqIKemzeHchJOFpfz4TBK1gEmXLC9p6tQ6OnUGMKSmXcyumLXvh3RVsPerTKRAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:08:16.992691Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.8456","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db9f4c65ad6102adf47f0b12b387ab6dacf77875a1238150056f9f39c9f10e17","sha256:1617e182de5e7d135a27995d0b0778d320c5ba687e41412c59a74a3020de1ab5"],"state_sha256":"1725fdc041b8286827b7e86b52b59c2833f42ebba0f1783e9c17eb9954f42f17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4bovRsZGCcHqJa7pYQNdY/UwQWyWtHwMtLQhDWTGXAnBZ4izmrjm0TVkqswM53TXgS8OAehqF5yIpT5dWs2zAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T02:40:36.037015Z","bundle_sha256":"660bddbae883ae010bef78ef700a1bc4386df509531bf7dc91735acc9b01b674"}}