{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:KJM4IPEPLNT57AOYDUV6IQRGQK","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":"46186a70ade0bf1760d240db92648339a474820b5f3475a1467fd2ebc4a28f9a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-11-28T18:59:09Z","title_canon_sha256":"15e7bdc7c554e5c35622ab34491a796ced12071bff9d0f46f5fea984cb6a1a53"},"schema_version":"1.0","source":{"id":"2211.15658","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.15658","created_at":"2026-07-05T05:55:15Z"},{"alias_kind":"arxiv_version","alias_value":"2211.15658v2","created_at":"2026-07-05T05:55:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.15658","created_at":"2026-07-05T05:55:15Z"},{"alias_kind":"pith_short_12","alias_value":"KJM4IPEPLNT5","created_at":"2026-07-05T05:55:15Z"},{"alias_kind":"pith_short_16","alias_value":"KJM4IPEPLNT57AOY","created_at":"2026-07-05T05:55:15Z"},{"alias_kind":"pith_short_8","alias_value":"KJM4IPEP","created_at":"2026-07-05T05:55:15Z"}],"graph_snapshots":[{"event_id":"sha256:3bd3a639e74988dad147c4617828a7341b49cecbecc1acca65126605ca552d07","target":"graph","created_at":"2026-07-05T05:55:15Z","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/2211.15658/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We address 2D floorplan reconstruction from 3D scans. Existing approaches typically employ heuristically designed multi-stage pipelines. Instead, we formulate floorplan reconstruction as a single-stage structured prediction task: find a variable-size set of polygons, which in turn are variable-length sequences of ordered vertices. To solve it we develop a novel Transformer architecture that generates polygons of multiple rooms in parallel, in a holistic manner without hand-crafted intermediate stages. The model features two-level queries for polygons and corners, and includes polygon matching ","authors_text":"Francis Engelmann, Konrad Schindler, Theodora Kontogianni, Yuanwen Yue","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-11-28T18:59:09Z","title":"Connecting the Dots: Floorplan Reconstruction Using Two-Level Queries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.15658","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":"sha256:44ad7e5c89404c8a8b312dee3d6f886834327c39e0eccd2037c907b79f11a7fd","target":"record","created_at":"2026-07-05T05:55:15Z","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":"46186a70ade0bf1760d240db92648339a474820b5f3475a1467fd2ebc4a28f9a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-11-28T18:59:09Z","title_canon_sha256":"15e7bdc7c554e5c35622ab34491a796ced12071bff9d0f46f5fea984cb6a1a53"},"schema_version":"1.0","source":{"id":"2211.15658","kind":"arxiv","version":2}},"canonical_sha256":"5259c43c8f5b67df81d81d2be4422682b929f2d7b6920282550644c8312e9d69","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5259c43c8f5b67df81d81d2be4422682b929f2d7b6920282550644c8312e9d69","first_computed_at":"2026-07-05T05:55:15.075589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:55:15.075589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sd6XeAtFOMZBPSSv8yhIQ2SanpTnDdQ9xNc/KycgxWN10uZ/n9bjwunSMR5gn/TKSBW/tfg08CKgIg9a6QRQDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:55:15.076040Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.15658","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44ad7e5c89404c8a8b312dee3d6f886834327c39e0eccd2037c907b79f11a7fd","sha256:3bd3a639e74988dad147c4617828a7341b49cecbecc1acca65126605ca552d07"],"state_sha256":"992b5c217ed95579505004a057d520e1edc5bcafba7e3687d3b7da7cce4354bc"}