{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:X6MKROPVUO7CMNTMYRYE237HN3","short_pith_number":"pith:X6MKROPV","canonical_record":{"source":{"id":"1907.01095","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2019-07-01T23:13:43Z","cross_cats_sorted":[],"title_canon_sha256":"d4791ee39c1f4d08707a246eff33db9824cd819fe19a71fb8e26255562c4db70","abstract_canon_sha256":"e374bfbdcc0748e8b697db6164a59f695820f410730a922a9fb217c87ed19c4f"},"schema_version":"1.0"},"canonical_sha256":"bf98a8b9f5a3be26366cc4704d6fe76eea743b8daa43210bbbd79946d8ba5fd1","source":{"kind":"arxiv","id":"1907.01095","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.01095","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"1907.01095v3","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.01095","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"X6MKROPVUO7C","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"pith_short_16","alias_value":"X6MKROPVUO7CMNTM","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"pith_short_8","alias_value":"X6MKROPV","created_at":"2026-07-05T01:05:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:X6MKROPVUO7CMNTMYRYE237HN3","target":"record","payload":{"canonical_record":{"source":{"id":"1907.01095","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2019-07-01T23:13:43Z","cross_cats_sorted":[],"title_canon_sha256":"d4791ee39c1f4d08707a246eff33db9824cd819fe19a71fb8e26255562c4db70","abstract_canon_sha256":"e374bfbdcc0748e8b697db6164a59f695820f410730a922a9fb217c87ed19c4f"},"schema_version":"1.0"},"canonical_sha256":"bf98a8b9f5a3be26366cc4704d6fe76eea743b8daa43210bbbd79946d8ba5fd1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:05:35.493161Z","signature_b64":"aNQJI/SlnWYzKNuMtmh0+rEM8wHMzckP6erO20o9RPVOO632/fcdl0aWY8aiS5TSy5oMrj4SyhjPe/XNIwRBBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf98a8b9f5a3be26366cc4704d6fe76eea743b8daa43210bbbd79946d8ba5fd1","last_reissued_at":"2026-07-05T01:05:35.492730Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:05:35.492730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.01095","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":"2026-07-05T01:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6j5A9Ou2Lq27mXLDb7/aCj9pcvcwSg61UnMOFSS2R8mDB0/nmbtN1up4bwwYNihLBkUUUOuNhBIdKKtZk9wABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:53:42.427011Z"},"content_sha256":"5e4207fae54908468a713488f40d6aca851717ed09914f63e85df5319425ac9a","schema_version":"1.0","event_id":"sha256:5e4207fae54908468a713488f40d6aca851717ed09914f63e85df5319425ac9a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:X6MKROPVUO7CMNTMYRYE237HN3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advanced Cauchy Mutation for Differential Evolution in Numerical Optimization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NE","authors_text":"Julian Togelius, Tae Jong Choi, Yun-Gyung Cheong","submitted_at":"2019-07-01T23:13:43Z","abstract_excerpt":"Among many evolutionary algorithms, differential evolution (DE) has received much attention over the last two decades. DE is a simple yet powerful evolutionary algorithm that has been used successfully to optimize various real-world problems. Since it was introduced, many researchers have developed new methods for DE, and one of them makes use of a mutation based on the Cauchy distribution to increase the convergence speed of DE. The method monitors the results of each individual in the selection operator and performs the Cauchy mutation on consecutively failed individuals, which generates mut"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.01095","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1907.01095/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGxf4YyQoDVnfuhqgXLKgSJ0L4Wb8i5mVOzs5qBe8+AccWxQZP749+QsDWZwxpGstqdpuMNyB6vlqXSQbAi4DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:53:42.427927Z"},"content_sha256":"7fc35fb1d984a4f2bab299f9c73b960a34c6026c4aaefbbd4d71afa3fada7ccf","schema_version":"1.0","event_id":"sha256:7fc35fb1d984a4f2bab299f9c73b960a34c6026c4aaefbbd4d71afa3fada7ccf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X6MKROPVUO7CMNTMYRYE237HN3/bundle.json","state_url":"https://pith.science/pith/X6MKROPVUO7CMNTMYRYE237HN3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X6MKROPVUO7CMNTMYRYE237HN3/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":"2026-08-04T14:53:42Z","links":{"resolver":"https://pith.science/pith/X6MKROPVUO7CMNTMYRYE237HN3","bundle":"https://pith.science/pith/X6MKROPVUO7CMNTMYRYE237HN3/bundle.json","state":"https://pith.science/pith/X6MKROPVUO7CMNTMYRYE237HN3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X6MKROPVUO7CMNTMYRYE237HN3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:X6MKROPVUO7CMNTMYRYE237HN3","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":"e374bfbdcc0748e8b697db6164a59f695820f410730a922a9fb217c87ed19c4f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2019-07-01T23:13:43Z","title_canon_sha256":"d4791ee39c1f4d08707a246eff33db9824cd819fe19a71fb8e26255562c4db70"},"schema_version":"1.0","source":{"id":"1907.01095","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.01095","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"1907.01095v3","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.01095","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"X6MKROPVUO7C","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"pith_short_16","alias_value":"X6MKROPVUO7CMNTM","created_at":"2026-07-05T01:05:35Z"},{"alias_kind":"pith_short_8","alias_value":"X6MKROPV","created_at":"2026-07-05T01:05:35Z"}],"graph_snapshots":[{"event_id":"sha256:7fc35fb1d984a4f2bab299f9c73b960a34c6026c4aaefbbd4d71afa3fada7ccf","target":"graph","created_at":"2026-07-05T01:05:35Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1907.01095/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Among many evolutionary algorithms, differential evolution (DE) has received much attention over the last two decades. DE is a simple yet powerful evolutionary algorithm that has been used successfully to optimize various real-world problems. Since it was introduced, many researchers have developed new methods for DE, and one of them makes use of a mutation based on the Cauchy distribution to increase the convergence speed of DE. The method monitors the results of each individual in the selection operator and performs the Cauchy mutation on consecutively failed individuals, which generates mut","authors_text":"Julian Togelius, Tae Jong Choi, Yun-Gyung Cheong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2019-07-01T23:13:43Z","title":"Advanced Cauchy Mutation for Differential Evolution in Numerical Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.01095","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":"sha256:5e4207fae54908468a713488f40d6aca851717ed09914f63e85df5319425ac9a","target":"record","created_at":"2026-07-05T01:05:35Z","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":"e374bfbdcc0748e8b697db6164a59f695820f410730a922a9fb217c87ed19c4f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2019-07-01T23:13:43Z","title_canon_sha256":"d4791ee39c1f4d08707a246eff33db9824cd819fe19a71fb8e26255562c4db70"},"schema_version":"1.0","source":{"id":"1907.01095","kind":"arxiv","version":3}},"canonical_sha256":"bf98a8b9f5a3be26366cc4704d6fe76eea743b8daa43210bbbd79946d8ba5fd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf98a8b9f5a3be26366cc4704d6fe76eea743b8daa43210bbbd79946d8ba5fd1","first_computed_at":"2026-07-05T01:05:35.492730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:05:35.492730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aNQJI/SlnWYzKNuMtmh0+rEM8wHMzckP6erO20o9RPVOO632/fcdl0aWY8aiS5TSy5oMrj4SyhjPe/XNIwRBBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:05:35.493161Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.01095","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e4207fae54908468a713488f40d6aca851717ed09914f63e85df5319425ac9a","sha256:7fc35fb1d984a4f2bab299f9c73b960a34c6026c4aaefbbd4d71afa3fada7ccf"],"state_sha256":"f79591c0cb842e4e58ac2e876e6d5ba2390b6502e6c643480bcc5dbc77e62c26"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8tXVMaxNUMPP1+zI7EYuq2CaT/iIAheAjRuf5nRKX/xcbMhz3nTm2aGDffFO1AqF443XnAt0tWKVu5C62/CLAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:53:42.433779Z","bundle_sha256":"5eaaced7c97bed262a67c8141b2b27b90731940e6ba8fe40b2cf37169a82ac78"}}