{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VTY25JHGFGNF6FXQITULW56EJT","short_pith_number":"pith:VTY25JHG","canonical_record":{"source":{"id":"1610.05016","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2016-10-17T08:54:47Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"9ce296d147cda04a94312462cac3e0d947839e38f6802ade98eb94d006dace58","abstract_canon_sha256":"6bd70b37f1a28ed84ca475a0c7a6e16bc02b3664f2b121108186c9a190a697f8"},"schema_version":"1.0"},"canonical_sha256":"acf1aea4e6299a5f16f044e8bb77c44cec136eb770beaec411d1dbe75de2f8a2","source":{"kind":"arxiv","id":"1610.05016","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05016","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05016v1","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05016","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"VTY25JHGFGNF","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VTY25JHGFGNF6FXQ","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VTY25JHG","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VTY25JHGFGNF6FXQITULW56EJT","target":"record","payload":{"canonical_record":{"source":{"id":"1610.05016","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2016-10-17T08:54:47Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"9ce296d147cda04a94312462cac3e0d947839e38f6802ade98eb94d006dace58","abstract_canon_sha256":"6bd70b37f1a28ed84ca475a0c7a6e16bc02b3664f2b121108186c9a190a697f8"},"schema_version":"1.0"},"canonical_sha256":"acf1aea4e6299a5f16f044e8bb77c44cec136eb770beaec411d1dbe75de2f8a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:06.440300Z","signature_b64":"PkNfVWyU07mM6OhQDooWnUVMgSCN6eVv/3UG9bsIW/clZ/9WPeyzJH5dNqR60MxhFoINuY2/e6O6HXnkocB1DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acf1aea4e6299a5f16f044e8bb77c44cec136eb770beaec411d1dbe75de2f8a2","last_reissued_at":"2026-05-18T01:02:06.438986Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:06.438986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.05016","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":"2026-05-18T01:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5820f8irvlnWDzrrATk/VDqNtcKK2sb4AP4v9TEyFdJdh52iieJwjmNhiq3RobNMMT/SjyZ38B3pL4az3S8BAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T23:51:49.335493Z"},"content_sha256":"4f5ac4036adae37db6a7ae4146618bafa266973a4a2393787bf0270acf89dac2","schema_version":"1.0","event_id":"sha256:4f5ac4036adae37db6a7ae4146618bafa266973a4a2393787bf0270acf89dac2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VTY25JHGFGNF6FXQITULW56EJT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Weekly maintenance scheduling using exact and genetic methods","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.NE","authors_text":"Andrew J. Hill, Andrew W. Palmer, Robin Vujanic, Steven J. Scheding","submitted_at":"2016-10-17T08:54:47Z","abstract_excerpt":"The weekly maintenance schedule specifies when maintenance activities should be performed on the equipment, taking into account the availability of workers and maintenance bays, and other operational constraints. The current approach to generating this schedule is labour intensive and requires coordination between the maintenance schedulers and operations staff to minimise its impact on the operation of the mine. This paper presents methods for automatically generating this schedule from the list of maintenance tasks to be performed, the availability roster of the maintenance staff, and time w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05016","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":"2026-05-18T01:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HMBWo7T9O+FZOuFSy6tGtSUgoEZajYu8dDqolh7fHXGMS3Ajj4iJIBlTGnK9M6aMnUMKJ5xIdc5IRMRJmLJUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T23:51:49.336193Z"},"content_sha256":"9ecd253b05e4b23191289f618c10b0c60a4050d2da38b90221ca0f7560749f27","schema_version":"1.0","event_id":"sha256:9ecd253b05e4b23191289f618c10b0c60a4050d2da38b90221ca0f7560749f27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VTY25JHGFGNF6FXQITULW56EJT/bundle.json","state_url":"https://pith.science/pith/VTY25JHGFGNF6FXQITULW56EJT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VTY25JHGFGNF6FXQITULW56EJT/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":"2026-06-11T23:51:49Z","links":{"resolver":"https://pith.science/pith/VTY25JHGFGNF6FXQITULW56EJT","bundle":"https://pith.science/pith/VTY25JHGFGNF6FXQITULW56EJT/bundle.json","state":"https://pith.science/pith/VTY25JHGFGNF6FXQITULW56EJT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VTY25JHGFGNF6FXQITULW56EJT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VTY25JHGFGNF6FXQITULW56EJT","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":"6bd70b37f1a28ed84ca475a0c7a6e16bc02b3664f2b121108186c9a190a697f8","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2016-10-17T08:54:47Z","title_canon_sha256":"9ce296d147cda04a94312462cac3e0d947839e38f6802ade98eb94d006dace58"},"schema_version":"1.0","source":{"id":"1610.05016","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05016","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05016v1","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05016","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"VTY25JHGFGNF","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VTY25JHGFGNF6FXQ","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VTY25JHG","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:9ecd253b05e4b23191289f618c10b0c60a4050d2da38b90221ca0f7560749f27","target":"graph","created_at":"2026-05-18T01:02:06Z","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":"The weekly maintenance schedule specifies when maintenance activities should be performed on the equipment, taking into account the availability of workers and maintenance bays, and other operational constraints. The current approach to generating this schedule is labour intensive and requires coordination between the maintenance schedulers and operations staff to minimise its impact on the operation of the mine. This paper presents methods for automatically generating this schedule from the list of maintenance tasks to be performed, the availability roster of the maintenance staff, and time w","authors_text":"Andrew J. Hill, Andrew W. Palmer, Robin Vujanic, Steven J. Scheding","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2016-10-17T08:54:47Z","title":"Weekly maintenance scheduling using exact and genetic methods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05016","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":"sha256:4f5ac4036adae37db6a7ae4146618bafa266973a4a2393787bf0270acf89dac2","target":"record","created_at":"2026-05-18T01:02:06Z","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":"6bd70b37f1a28ed84ca475a0c7a6e16bc02b3664f2b121108186c9a190a697f8","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2016-10-17T08:54:47Z","title_canon_sha256":"9ce296d147cda04a94312462cac3e0d947839e38f6802ade98eb94d006dace58"},"schema_version":"1.0","source":{"id":"1610.05016","kind":"arxiv","version":1}},"canonical_sha256":"acf1aea4e6299a5f16f044e8bb77c44cec136eb770beaec411d1dbe75de2f8a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acf1aea4e6299a5f16f044e8bb77c44cec136eb770beaec411d1dbe75de2f8a2","first_computed_at":"2026-05-18T01:02:06.438986Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:06.438986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PkNfVWyU07mM6OhQDooWnUVMgSCN6eVv/3UG9bsIW/clZ/9WPeyzJH5dNqR60MxhFoINuY2/e6O6HXnkocB1DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:06.440300Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.05016","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f5ac4036adae37db6a7ae4146618bafa266973a4a2393787bf0270acf89dac2","sha256:9ecd253b05e4b23191289f618c10b0c60a4050d2da38b90221ca0f7560749f27"],"state_sha256":"4979cb75a15561deaa866b1e4195365c8a6f1f0dde71ed6d6dfdcb9be0c40a80"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u2sPV6xXMW6cMFck3SYnknoT9T0n+cvHBgrK9O9XSF7pvDJJBRhCVnHsVM2qFfoNGFQKAQ548wB/To5OmY8RBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T23:51:49.341744Z","bundle_sha256":"edfc51d9f42bbaf90ced9c060d37cf31add0f2233eddfc2746ddd6fc3f22d592"}}