{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:4O3GJNVCJ34J3XQGUORSEOBA32","short_pith_number":"pith:4O3GJNVC","canonical_record":{"source":{"id":"2507.20809","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T13:21:08Z","cross_cats_sorted":[],"title_canon_sha256":"bc6ae7a4addecdb3cda0c1873c7a1efb4f2e020edc944ff378fc9504071336cd","abstract_canon_sha256":"743d835a557755352d97117fa8dad6da3518befc2f60f7121e3238944bf2ba41"},"schema_version":"1.0"},"canonical_sha256":"e3b664b6a24ef89dde06a3a3223820de8c5c477ce06218b00d3d553f0cb53f8a","source":{"kind":"arxiv","id":"2507.20809","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.20809","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"arxiv_version","alias_value":"2507.20809v1","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.20809","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"pith_short_12","alias_value":"4O3GJNVCJ34J","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"pith_short_16","alias_value":"4O3GJNVCJ34J3XQG","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"pith_short_8","alias_value":"4O3GJNVC","created_at":"2026-07-05T11:44:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:4O3GJNVCJ34J3XQGUORSEOBA32","target":"record","payload":{"canonical_record":{"source":{"id":"2507.20809","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T13:21:08Z","cross_cats_sorted":[],"title_canon_sha256":"bc6ae7a4addecdb3cda0c1873c7a1efb4f2e020edc944ff378fc9504071336cd","abstract_canon_sha256":"743d835a557755352d97117fa8dad6da3518befc2f60f7121e3238944bf2ba41"},"schema_version":"1.0"},"canonical_sha256":"e3b664b6a24ef89dde06a3a3223820de8c5c477ce06218b00d3d553f0cb53f8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:44:26.236859Z","signature_b64":"KVGZAO7ThiaGVcepYekDwtp1UpzQWVzFSO2WlCVeKdhv/BQ2eDxV/T0koeZi4k8xyHGT7eChGvZGmzEB4LhDCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3b664b6a24ef89dde06a3a3223820de8c5c477ce06218b00d3d553f0cb53f8a","last_reissued_at":"2026-07-05T11:44:26.236378Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:44:26.236378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.20809","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":"2026-07-05T11:44:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ogCSTeg4Azmk9EdBIONQ91H+ejc8CPwRYg5WDg/8vVsNsPn9ospakNGpUTtxMaW/So+N6xOTQfxC4hVRLpk2DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:33:18.620618Z"},"content_sha256":"e1c71e7f3d211bc2d2fa52ad21a2b954358f671512993d21928ae34978a2b4be","schema_version":"1.0","event_id":"sha256:e1c71e7f3d211bc2d2fa52ad21a2b954358f671512993d21928ae34978a2b4be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:4O3GJNVCJ34J3XQGUORSEOBA32","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SCANet: Split Coordinate Attention Network for Building Footprint Extraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bin Zhao, Chunshi Wang, Shuxue Ding","submitted_at":"2025-07-28T13:21:08Z","abstract_excerpt":"Building footprint extraction holds immense significance in remote sensing image analysis and has great value in urban planning, land use, environmental protection and disaster assessment. Despite the progress made by conventional and deep learning approaches in this field, they continue to encounter significant challenges. This paper introduces a novel plug-and-play attention module, Split Coordinate Attention (SCA), which ingeniously captures spatially remote interactions by employing two spatial range of pooling kernels, strategically encoding each channel along x and y planes, and separate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.20809","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2507.20809/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:44:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J8YWEMYEy6wgcbwYw5XstTNJTyTROTJcEuvKiScKGQfob/ySLG0kZ5Q03ryPUSwPRLC+Nj/QpKcwadtbctO5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:33:18.621244Z"},"content_sha256":"113d967e961a8067d1f3b99d624876b27f2ff13d39ba72e6d0cc7b0c48c8c3b5","schema_version":"1.0","event_id":"sha256:113d967e961a8067d1f3b99d624876b27f2ff13d39ba72e6d0cc7b0c48c8c3b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4O3GJNVCJ34J3XQGUORSEOBA32/bundle.json","state_url":"https://pith.science/pith/4O3GJNVCJ34J3XQGUORSEOBA32/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4O3GJNVCJ34J3XQGUORSEOBA32/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":"2026-08-12T23:33:18Z","links":{"resolver":"https://pith.science/pith/4O3GJNVCJ34J3XQGUORSEOBA32","bundle":"https://pith.science/pith/4O3GJNVCJ34J3XQGUORSEOBA32/bundle.json","state":"https://pith.science/pith/4O3GJNVCJ34J3XQGUORSEOBA32/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4O3GJNVCJ34J3XQGUORSEOBA32/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:4O3GJNVCJ34J3XQGUORSEOBA32","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":"743d835a557755352d97117fa8dad6da3518befc2f60f7121e3238944bf2ba41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T13:21:08Z","title_canon_sha256":"bc6ae7a4addecdb3cda0c1873c7a1efb4f2e020edc944ff378fc9504071336cd"},"schema_version":"1.0","source":{"id":"2507.20809","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.20809","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"arxiv_version","alias_value":"2507.20809v1","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.20809","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"pith_short_12","alias_value":"4O3GJNVCJ34J","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"pith_short_16","alias_value":"4O3GJNVCJ34J3XQG","created_at":"2026-07-05T11:44:26Z"},{"alias_kind":"pith_short_8","alias_value":"4O3GJNVC","created_at":"2026-07-05T11:44:26Z"}],"graph_snapshots":[{"event_id":"sha256:113d967e961a8067d1f3b99d624876b27f2ff13d39ba72e6d0cc7b0c48c8c3b5","target":"graph","created_at":"2026-07-05T11:44:26Z","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/2507.20809/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Building footprint extraction holds immense significance in remote sensing image analysis and has great value in urban planning, land use, environmental protection and disaster assessment. Despite the progress made by conventional and deep learning approaches in this field, they continue to encounter significant challenges. This paper introduces a novel plug-and-play attention module, Split Coordinate Attention (SCA), which ingeniously captures spatially remote interactions by employing two spatial range of pooling kernels, strategically encoding each channel along x and y planes, and separate","authors_text":"Bin Zhao, Chunshi Wang, Shuxue Ding","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T13:21:08Z","title":"SCANet: Split Coordinate Attention Network for Building Footprint Extraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.20809","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:e1c71e7f3d211bc2d2fa52ad21a2b954358f671512993d21928ae34978a2b4be","target":"record","created_at":"2026-07-05T11:44:26Z","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":"743d835a557755352d97117fa8dad6da3518befc2f60f7121e3238944bf2ba41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T13:21:08Z","title_canon_sha256":"bc6ae7a4addecdb3cda0c1873c7a1efb4f2e020edc944ff378fc9504071336cd"},"schema_version":"1.0","source":{"id":"2507.20809","kind":"arxiv","version":1}},"canonical_sha256":"e3b664b6a24ef89dde06a3a3223820de8c5c477ce06218b00d3d553f0cb53f8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3b664b6a24ef89dde06a3a3223820de8c5c477ce06218b00d3d553f0cb53f8a","first_computed_at":"2026-07-05T11:44:26.236378Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:44:26.236378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KVGZAO7ThiaGVcepYekDwtp1UpzQWVzFSO2WlCVeKdhv/BQ2eDxV/T0koeZi4k8xyHGT7eChGvZGmzEB4LhDCw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:44:26.236859Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.20809","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1c71e7f3d211bc2d2fa52ad21a2b954358f671512993d21928ae34978a2b4be","sha256:113d967e961a8067d1f3b99d624876b27f2ff13d39ba72e6d0cc7b0c48c8c3b5"],"state_sha256":"145ce3750788332501b2feb9be0c3e7a965241123a204f1d9f74c6c6aa9081cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lpi05s/KlJfLngXZy4iw2dRSE23g6orjZjC4zOY5kUMNgQ+wmOA1PcQgjRsyoEwo78rLT8IaJEIgY3tlLxdMBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T23:33:18.625358Z","bundle_sha256":"a99fc9121bed62c57d720e46b997459eab9681d2185260a74d547fa066747715"}}