{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6YSUAX6PCKXIMT6LTMRB2OW37Z","short_pith_number":"pith:6YSUAX6P","canonical_record":{"source":{"id":"1303.3154","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2013-03-13T13:28:36Z","cross_cats_sorted":["cs.GT"],"title_canon_sha256":"fde8b3217095e3472a3725fd9a98ad9704479f864be5dc204563336d08d89ffd","abstract_canon_sha256":"80baaa59ff6420d930ee217beaf5e8bd3a692d4c49f8257e1d2b3aed064baffc"},"schema_version":"1.0"},"canonical_sha256":"f625405fcf12ae864fcb9b221d3adbfe4ffd4dc3f9a69628e627bac6f1911169","source":{"kind":"arxiv","id":"1303.3154","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3154","created_at":"2026-05-18T02:53:41Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3154v3","created_at":"2026-05-18T02:53:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3154","created_at":"2026-05-18T02:53:41Z"},{"alias_kind":"pith_short_12","alias_value":"6YSUAX6PCKXI","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6YSUAX6PCKXIMT6L","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6YSUAX6P","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6YSUAX6PCKXIMT6LTMRB2OW37Z","target":"record","payload":{"canonical_record":{"source":{"id":"1303.3154","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2013-03-13T13:28:36Z","cross_cats_sorted":["cs.GT"],"title_canon_sha256":"fde8b3217095e3472a3725fd9a98ad9704479f864be5dc204563336d08d89ffd","abstract_canon_sha256":"80baaa59ff6420d930ee217beaf5e8bd3a692d4c49f8257e1d2b3aed064baffc"},"schema_version":"1.0"},"canonical_sha256":"f625405fcf12ae864fcb9b221d3adbfe4ffd4dc3f9a69628e627bac6f1911169","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:53:41.543991Z","signature_b64":"mwm2yR3gBHISef3gX0xmrxyTrjb0MkUb5nOYLUd9Dvw6TmcDQhg1fqzd5Bk442+bDY42Ptrlnayv9cQe1VvmDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f625405fcf12ae864fcb9b221d3adbfe4ffd4dc3f9a69628e627bac6f1911169","last_reissued_at":"2026-05-18T02:53:41.542589Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:53:41.542589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.3154","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:53:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2vHdu3fv4Qmz0J8OsnJHj4c0NgdRFyQa995y219gQiHf+ZSacg510HwjWXLZIBO147ZQrffJ3uOMGEvcug+zCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:48:42.211751Z"},"content_sha256":"872204ffbdc4b17c2fd0d2acd3ffec6916538c9859aa2aaf2ca664af622f137d","schema_version":"1.0","event_id":"sha256:872204ffbdc4b17c2fd0d2acd3ffec6916538c9859aa2aaf2ca664af622f137d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6YSUAX6PCKXIMT6LTMRB2OW37Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mixed Strategy May Outperform Pure Strategy: An Initial Study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.GT"],"primary_cat":"cs.NE","authors_text":"Feidun He, Hongbin Dong, Jun He, Wei Hou","submitted_at":"2013-03-13T13:28:36Z","abstract_excerpt":"In pure strategy meta-heuristics, only one search strategy is applied for all time. In mixed strategy meta-heuristics, each time one search strategy is chosen from a strategy pool with a probability and then is applied. An example is classical genetic algorithms, where either a mutation or crossover operator is chosen with a probability each time. The aim of this paper is to compare the performance between mixed strategy and pure strategy meta-heuristic algorithms. First an experimental study is implemented and results demonstrate that mixed strategy evolutionary algorithms may outperform pure"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3154","kind":"arxiv","version":3},"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":"2026-05-18T02:53:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pI0Ve4u4R57podjn6NKEsZrBIuCxZPqqVWz/r6LBO8Vr/8TFjV54LybI92s6+ZnWXpynxyunFPbU1pTGMN5pDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:48:42.212478Z"},"content_sha256":"8b66f9f5423c14dc94cc9be0fe5b320b3fbc881df931e3bf370146d35677a583","schema_version":"1.0","event_id":"sha256:8b66f9f5423c14dc94cc9be0fe5b320b3fbc881df931e3bf370146d35677a583"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6YSUAX6PCKXIMT6LTMRB2OW37Z/bundle.json","state_url":"https://pith.science/pith/6YSUAX6PCKXIMT6LTMRB2OW37Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6YSUAX6PCKXIMT6LTMRB2OW37Z/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":"2026-05-25T16:48:42Z","links":{"resolver":"https://pith.science/pith/6YSUAX6PCKXIMT6LTMRB2OW37Z","bundle":"https://pith.science/pith/6YSUAX6PCKXIMT6LTMRB2OW37Z/bundle.json","state":"https://pith.science/pith/6YSUAX6PCKXIMT6LTMRB2OW37Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6YSUAX6PCKXIMT6LTMRB2OW37Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6YSUAX6PCKXIMT6LTMRB2OW37Z","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":"80baaa59ff6420d930ee217beaf5e8bd3a692d4c49f8257e1d2b3aed064baffc","cross_cats_sorted":["cs.GT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2013-03-13T13:28:36Z","title_canon_sha256":"fde8b3217095e3472a3725fd9a98ad9704479f864be5dc204563336d08d89ffd"},"schema_version":"1.0","source":{"id":"1303.3154","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3154","created_at":"2026-05-18T02:53:41Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3154v3","created_at":"2026-05-18T02:53:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3154","created_at":"2026-05-18T02:53:41Z"},{"alias_kind":"pith_short_12","alias_value":"6YSUAX6PCKXI","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6YSUAX6PCKXIMT6L","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6YSUAX6P","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:8b66f9f5423c14dc94cc9be0fe5b320b3fbc881df931e3bf370146d35677a583","target":"graph","created_at":"2026-05-18T02:53:41Z","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":"In pure strategy meta-heuristics, only one search strategy is applied for all time. In mixed strategy meta-heuristics, each time one search strategy is chosen from a strategy pool with a probability and then is applied. An example is classical genetic algorithms, where either a mutation or crossover operator is chosen with a probability each time. The aim of this paper is to compare the performance between mixed strategy and pure strategy meta-heuristic algorithms. First an experimental study is implemented and results demonstrate that mixed strategy evolutionary algorithms may outperform pure","authors_text":"Feidun He, Hongbin Dong, Jun He, Wei Hou","cross_cats":["cs.GT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2013-03-13T13:28:36Z","title":"Mixed Strategy May Outperform Pure Strategy: An Initial Study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3154","kind":"arxiv","version":3},"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":"sha256:872204ffbdc4b17c2fd0d2acd3ffec6916538c9859aa2aaf2ca664af622f137d","target":"record","created_at":"2026-05-18T02:53:41Z","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":"80baaa59ff6420d930ee217beaf5e8bd3a692d4c49f8257e1d2b3aed064baffc","cross_cats_sorted":["cs.GT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2013-03-13T13:28:36Z","title_canon_sha256":"fde8b3217095e3472a3725fd9a98ad9704479f864be5dc204563336d08d89ffd"},"schema_version":"1.0","source":{"id":"1303.3154","kind":"arxiv","version":3}},"canonical_sha256":"f625405fcf12ae864fcb9b221d3adbfe4ffd4dc3f9a69628e627bac6f1911169","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f625405fcf12ae864fcb9b221d3adbfe4ffd4dc3f9a69628e627bac6f1911169","first_computed_at":"2026-05-18T02:53:41.542589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:53:41.542589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mwm2yR3gBHISef3gX0xmrxyTrjb0MkUb5nOYLUd9Dvw6TmcDQhg1fqzd5Bk442+bDY42Ptrlnayv9cQe1VvmDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:53:41.543991Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.3154","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:872204ffbdc4b17c2fd0d2acd3ffec6916538c9859aa2aaf2ca664af622f137d","sha256:8b66f9f5423c14dc94cc9be0fe5b320b3fbc881df931e3bf370146d35677a583"],"state_sha256":"6eb3b4512754b0f5b90d945d056ea06cbee59189085be18a4c1714420501c173"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kh/sCd+BmjoObe5W+m6dMVUpLdkTkl2j/j4a0WtDEkInLLFWdf+hCSjmhejRpeMwnpBnvH7f4BF2URmeSiOqBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:48:42.216370Z","bundle_sha256":"90dc021dff46769a981680f8526e3131b5222be2f2a1f7b451a957a0cd953ff6"}}