{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:F4HH53FRCREDGRL3L6562PHBFS","short_pith_number":"pith:F4HH53FR","canonical_record":{"source":{"id":"1805.02861","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2018-05-08T07:15:53Z","cross_cats_sorted":[],"title_canon_sha256":"cd37ff76adb6dfca4f9c4c9ed050cbca203e6f6de2800cf9ef732c2614c4356a","abstract_canon_sha256":"86ea5efb63329a1e15c9212836b992815bccfa011c1c2e664915dff516299eb8"},"schema_version":"1.0"},"canonical_sha256":"2f0e7eecb1144833457b5fbbed3ce12c846b333cf56b9d4592525040197cc868","source":{"kind":"arxiv","id":"1805.02861","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02861","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02861v2","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02861","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"pith_short_12","alias_value":"F4HH53FRCRED","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F4HH53FRCREDGRL3","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F4HH53FR","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:F4HH53FRCREDGRL3L6562PHBFS","target":"record","payload":{"canonical_record":{"source":{"id":"1805.02861","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2018-05-08T07:15:53Z","cross_cats_sorted":[],"title_canon_sha256":"cd37ff76adb6dfca4f9c4c9ed050cbca203e6f6de2800cf9ef732c2614c4356a","abstract_canon_sha256":"86ea5efb63329a1e15c9212836b992815bccfa011c1c2e664915dff516299eb8"},"schema_version":"1.0"},"canonical_sha256":"2f0e7eecb1144833457b5fbbed3ce12c846b333cf56b9d4592525040197cc868","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:15.782261Z","signature_b64":"c/mGVK+VgdBbnr3bQrOTTD8hEbgNsNq2vNlhVy+DNgXJQwhMsIIKYt12sFTKKYAgNcjKqodknBd4hvhUHUDQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f0e7eecb1144833457b5fbbed3ce12c846b333cf56b9d4592525040197cc868","last_reissued_at":"2026-05-18T00:16:15.781772Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:15.781772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.02861","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:16:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u5Q/PVBKFsxiJFBqZ/JRSthE5/lKOTfncE9bRaTYca/oC9jgatpQ6psCHpQo0grtAdeYu6qkEDb26QOjP2m8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T13:49:45.658545Z"},"content_sha256":"51c59edc1bde1edaa7c5fc33bb7a7e3e2770b33bc0e5165db6b1bea42ef1fd2c","schema_version":"1.0","event_id":"sha256:51c59edc1bde1edaa7c5fc33bb7a7e3e2770b33bc0e5165db6b1bea42ef1fd2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:F4HH53FRCREDGRL3L6562PHBFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Synthesizing Efficient Solutions for Patrolling Problems in the Internet Environment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Anton\\'in Ku\\v{c}era, Tom\\'a\\v{s} Br\\'azdil, Vojt\\v{e}ch \\v{R}eh\\'ak","submitted_at":"2018-05-08T07:15:53Z","abstract_excerpt":"We propose an algorithm for constructing efficient patrolling strategies in the Internet environment, where the protected targets are nodes connected to the network and the patrollers are software agents capable of detecting/preventing undesirable activities on the nodes. The algorithm is based on a novel compositional principle designed for a special class of strategies, and it can quickly construct (sub)optimal solutions even if the number of targets reaches hundreds of millions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02861","kind":"arxiv","version":2},"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":"2026-05-18T00:16:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qcEYyXdxjb7BnL3C+jckKdBq32qWOigH8rjk/MAo1/BEZp3ZhfrYVZqYOqEHnoWoGdDZLQI8JcqBUt5NT3LZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T13:49:45.659265Z"},"content_sha256":"6a820cbed4d9f53ffc540398d1bef2b81b1bf6e297a319a925c9bbbec9f39aff","schema_version":"1.0","event_id":"sha256:6a820cbed4d9f53ffc540398d1bef2b81b1bf6e297a319a925c9bbbec9f39aff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F4HH53FRCREDGRL3L6562PHBFS/bundle.json","state_url":"https://pith.science/pith/F4HH53FRCREDGRL3L6562PHBFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F4HH53FRCREDGRL3L6562PHBFS/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":"2026-05-31T13:49:45Z","links":{"resolver":"https://pith.science/pith/F4HH53FRCREDGRL3L6562PHBFS","bundle":"https://pith.science/pith/F4HH53FRCREDGRL3L6562PHBFS/bundle.json","state":"https://pith.science/pith/F4HH53FRCREDGRL3L6562PHBFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F4HH53FRCREDGRL3L6562PHBFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:F4HH53FRCREDGRL3L6562PHBFS","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":"86ea5efb63329a1e15c9212836b992815bccfa011c1c2e664915dff516299eb8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2018-05-08T07:15:53Z","title_canon_sha256":"cd37ff76adb6dfca4f9c4c9ed050cbca203e6f6de2800cf9ef732c2614c4356a"},"schema_version":"1.0","source":{"id":"1805.02861","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02861","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02861v2","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02861","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"pith_short_12","alias_value":"F4HH53FRCRED","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F4HH53FRCREDGRL3","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F4HH53FR","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:6a820cbed4d9f53ffc540398d1bef2b81b1bf6e297a319a925c9bbbec9f39aff","target":"graph","created_at":"2026-05-18T00:16:15Z","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 propose an algorithm for constructing efficient patrolling strategies in the Internet environment, where the protected targets are nodes connected to the network and the patrollers are software agents capable of detecting/preventing undesirable activities on the nodes. The algorithm is based on a novel compositional principle designed for a special class of strategies, and it can quickly construct (sub)optimal solutions even if the number of targets reaches hundreds of millions.","authors_text":"Anton\\'in Ku\\v{c}era, Tom\\'a\\v{s} Br\\'azdil, Vojt\\v{e}ch \\v{R}eh\\'ak","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2018-05-08T07:15:53Z","title":"Synthesizing Efficient Solutions for Patrolling Problems in the Internet Environment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02861","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":"sha256:51c59edc1bde1edaa7c5fc33bb7a7e3e2770b33bc0e5165db6b1bea42ef1fd2c","target":"record","created_at":"2026-05-18T00:16:15Z","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":"86ea5efb63329a1e15c9212836b992815bccfa011c1c2e664915dff516299eb8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2018-05-08T07:15:53Z","title_canon_sha256":"cd37ff76adb6dfca4f9c4c9ed050cbca203e6f6de2800cf9ef732c2614c4356a"},"schema_version":"1.0","source":{"id":"1805.02861","kind":"arxiv","version":2}},"canonical_sha256":"2f0e7eecb1144833457b5fbbed3ce12c846b333cf56b9d4592525040197cc868","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f0e7eecb1144833457b5fbbed3ce12c846b333cf56b9d4592525040197cc868","first_computed_at":"2026-05-18T00:16:15.781772Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:15.781772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c/mGVK+VgdBbnr3bQrOTTD8hEbgNsNq2vNlhVy+DNgXJQwhMsIIKYt12sFTKKYAgNcjKqodknBd4hvhUHUDQDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:15.782261Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02861","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51c59edc1bde1edaa7c5fc33bb7a7e3e2770b33bc0e5165db6b1bea42ef1fd2c","sha256:6a820cbed4d9f53ffc540398d1bef2b81b1bf6e297a319a925c9bbbec9f39aff"],"state_sha256":"2d08f4ced0a0f967999ec204ac8ac2d50e1e3be82d343db8abd5383ec5e0c859"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NXi1Mo6L/HzIPGy+0YmOdU8BWsqSF2+VRYXREfjjm9mwLZ57jMMpy15CGpIVV9+Ak7q75GE9KOfoblc5LvH4DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T13:49:45.663672Z","bundle_sha256":"44fb386bfb5d66612522e4d03f8254630499cc62ac8f7b3feac32da01e30aa34"}}