{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:P5E4UPU62PDQTGFX7F5A7ZSNYI","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":"7cc18a5041dc1f881ebdff90edd0ec736e9aaff6bcbdaab72167d141287bf01a","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-08T08:04:06Z","title_canon_sha256":"a99441a754f4d88e25f35e649e9fa1d5ae5ff5ae518bb0b2fd0ce46b318ae76a"},"schema_version":"1.0","source":{"id":"2607.07123","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.07123","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"arxiv_version","alias_value":"2607.07123v1","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.07123","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"pith_short_12","alias_value":"P5E4UPU62PDQ","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"pith_short_16","alias_value":"P5E4UPU62PDQTGFX","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"pith_short_8","alias_value":"P5E4UPU6","created_at":"2026-07-09T01:20:15Z"}],"graph_snapshots":[{"event_id":"sha256:af7c612dde350c2cb0d1c962a9f798460095614d2d80c2bdff6f4961addc22cd","target":"graph","created_at":"2026-07-09T01:20:15Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.07123/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Segmenting slender curvilinear structures such as retinal vessels, cracks, and roads demands topological correctness, as even a single-pixel discontinuity can fragment a continuous network and invalidate downstream analysis. Under standard binary-mask supervision, models optimized for pixel-level overlap frequently produce topologically broken predictions. We trace this to a fundamental mismatch: pixel-wise losses distribute gradients uniformly, yet connectivity hinges on a sparse set of bottleneck pixels. These pixels are vastly outnumbered by thick structures and background, rendering their ","authors_text":"Dakuo He, Minxuan Hu, Runda Jia, Weilan Su, Youcheng Zong","cross_cats":["cs.SY","eess.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-08T08:04:06Z","title":"Widest-Path Reachability Fields for Connectivity-Preserving Slender Structure Segmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.07123","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":"sha256:93126e568a5aba431f603abdad0b7bf6d525fdaa91da96ee05d812e0ca079bd4","target":"record","created_at":"2026-07-09T01:20:15Z","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":"7cc18a5041dc1f881ebdff90edd0ec736e9aaff6bcbdaab72167d141287bf01a","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-08T08:04:06Z","title_canon_sha256":"a99441a754f4d88e25f35e649e9fa1d5ae5ff5ae518bb0b2fd0ce46b318ae76a"},"schema_version":"1.0","source":{"id":"2607.07123","kind":"arxiv","version":1}},"canonical_sha256":"7f49ca3e9ed3c70998b7f97a0fe64dc21b25a9186fb7155942faef542e17e597","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f49ca3e9ed3c70998b7f97a0fe64dc21b25a9186fb7155942faef542e17e597","first_computed_at":"2026-07-09T01:20:15.206509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-09T01:20:15.206509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m1GbbZGy9XoM4W/pK5pXQ7bg22BccwDjqCZz9W03p1B8emCjgoLxDBjdOieStT9IObH3F80JcwcVV9Pm00ExAw==","signature_status":"signed_v1","signed_at":"2026-07-09T01:20:15.206936Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.07123","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93126e568a5aba431f603abdad0b7bf6d525fdaa91da96ee05d812e0ca079bd4","sha256:af7c612dde350c2cb0d1c962a9f798460095614d2d80c2bdff6f4961addc22cd"],"state_sha256":"a1d965693f6f48851123f5ff96d08b88b361fbc66e0bc25baece5b645e7fe3de"}