{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ZGBFJEPSMGVVMWIMWM2OHW6WF3","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":"fb88d2e0975873d17a3b93af25ad282ded522d6642b392785886b8b7a67407b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2016-11-14T10:31:58Z","title_canon_sha256":"970234b8c9d789d3ab854d5d71b55ecd07b25a359f716576a5aff82b45d5b5dd"},"schema_version":"1.0","source":{"id":"1611.04324","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.04324","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"1611.04324v2","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.04324","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"ZGBFJEPSMGVV","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZGBFJEPSMGVVMWIM","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZGBFJEPS","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:777d2b9cec26fd802f9e7f51c4fe6428d70b6eefc0bd68f168be61f985325d9e","target":"graph","created_at":"2026-05-18T00:58:50Z","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 give an overview of new and existing cut- and flow-based ILP formulations for the two-stage stochastic Steiner tree problem and compare the strength of the LP relaxations.","authors_text":"Bernd Zey","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2016-11-14T10:31:58Z","title":"ILP formulations for the two-stage stochastic Steiner tree problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.04324","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:a133cd46d51d65dcf935a61552afe5dbc7fe6549cb8f5f461bfd04e7342e73e9","target":"record","created_at":"2026-05-18T00:58:50Z","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":"fb88d2e0975873d17a3b93af25ad282ded522d6642b392785886b8b7a67407b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2016-11-14T10:31:58Z","title_canon_sha256":"970234b8c9d789d3ab854d5d71b55ecd07b25a359f716576a5aff82b45d5b5dd"},"schema_version":"1.0","source":{"id":"1611.04324","kind":"arxiv","version":2}},"canonical_sha256":"c9825491f261ab56590cb334e3dbd62ef0990fbef97604e57047f1f5c598f717","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9825491f261ab56590cb334e3dbd62ef0990fbef97604e57047f1f5c598f717","first_computed_at":"2026-05-18T00:58:50.535460Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:58:50.535460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pHS+W6LAhrTj4y03A3a4pAVvoz5qHbhi71rQDElhSdaE/mlHwwXeMEFUPNdMGlqlictiC5V8NTfwn6C6OcU8AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:58:50.536364Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.04324","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a133cd46d51d65dcf935a61552afe5dbc7fe6549cb8f5f461bfd04e7342e73e9","sha256:777d2b9cec26fd802f9e7f51c4fe6428d70b6eefc0bd68f168be61f985325d9e"],"state_sha256":"c1f57db12feffc8faacf3282a4ef2c820f08b6bee8ca5c9bd615f38148c28ebe"}