{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:B6FMYGVRQB4M3YKDTCH5K2D5AE","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":"809d081172e4b6b9d0ad29a9862b83660ce2c48506d2988e55179380bcb81650","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-22T14:43:31Z","title_canon_sha256":"a5168e6fbc65b8a48f0482acda64ab12ad1ddd0f16b7a3ea2d9bce40d5146005"},"schema_version":"1.0","source":{"id":"2606.24935","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.24935","created_at":"2026-06-25T00:17:46Z"},{"alias_kind":"arxiv_version","alias_value":"2606.24935v1","created_at":"2026-06-25T00:17:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.24935","created_at":"2026-06-25T00:17:46Z"},{"alias_kind":"pith_short_12","alias_value":"B6FMYGVRQB4M","created_at":"2026-06-25T00:17:46Z"},{"alias_kind":"pith_short_16","alias_value":"B6FMYGVRQB4M3YKD","created_at":"2026-06-25T00:17:46Z"},{"alias_kind":"pith_short_8","alias_value":"B6FMYGVR","created_at":"2026-06-25T00:17:46Z"}],"graph_snapshots":[{"event_id":"sha256:b9357d00cad2ef537b9263b867bbed535f4ac55a32521d667b2057330956e6fc","target":"graph","created_at":"2026-06-25T00:17:46Z","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/2606.24935/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Thin-structure segmentation--power lines, cracks, lane markings at 1-3 pixel width--requires preserving connectivity that standard representations preclude: patching severs continuous structures and conventional superpixels merge thin targets into background before classification. Topology-aware losses penalize connectivity breaks at the objective level but cannot recover what the representation has already destroyed. We propose SEMIR, a framework that replaces the pixel lattice with a parameterized graph minor whose contraction map preserves thin-structure connectivity under the contraction c","authors_text":"Luke James Miller, Yugyung Lee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-22T14:43:31Z","title":"SEMIR: Topology-Preserving Graph Minors for Thin-Structure Segmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.24935","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:f812c6f97e28bec316a97a70a543e6d899c82a4d74b1792db099092987eef011","target":"record","created_at":"2026-06-25T00:17:46Z","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":"809d081172e4b6b9d0ad29a9862b83660ce2c48506d2988e55179380bcb81650","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-22T14:43:31Z","title_canon_sha256":"a5168e6fbc65b8a48f0482acda64ab12ad1ddd0f16b7a3ea2d9bce40d5146005"},"schema_version":"1.0","source":{"id":"2606.24935","kind":"arxiv","version":1}},"canonical_sha256":"0f8acc1ab18078cde143988fd5687d0124c298775ed4cab76ba095a10b8b64ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f8acc1ab18078cde143988fd5687d0124c298775ed4cab76ba095a10b8b64ce","first_computed_at":"2026-06-25T00:17:46.347565Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T00:17:46.347565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gS56m6hiHIdNs+VT4AQFXJ34ncdiFoh+3HsOXND5oEPftkBuxFAaDjqGbc4ti87kIs0VurJWcjxVHDAXGUVfAA==","signature_status":"signed_v1","signed_at":"2026-06-25T00:17:46.347925Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.24935","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f812c6f97e28bec316a97a70a543e6d899c82a4d74b1792db099092987eef011","sha256:b9357d00cad2ef537b9263b867bbed535f4ac55a32521d667b2057330956e6fc"],"state_sha256":"905681db2d669ea68a616c6e3d88020324229fa28cd874fe5b53ea59e3091387"}