{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:K56FU5PGN435XCINQUNZFQ2WPQ","short_pith_number":"pith:K56FU5PG","canonical_record":{"source":{"id":"2502.08352","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-12T12:27:32Z","cross_cats_sorted":[],"title_canon_sha256":"d12c25b5e50be6706ac5ba250aa1994c062c4280af3bdc5eb99fb93655281e85","abstract_canon_sha256":"4684833d24352ffcea4c87c44348d5f54f4d9a19e8addd676daa46c291057323"},"schema_version":"1.0"},"canonical_sha256":"577c5a75e66f37db890d851b92c3567c04677eece2ade92fda9f285dbde88a7e","source":{"kind":"arxiv","id":"2502.08352","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.08352","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"arxiv_version","alias_value":"2502.08352v2","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.08352","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"pith_short_12","alias_value":"K56FU5PGN435","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"pith_short_16","alias_value":"K56FU5PGN435XCIN","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"pith_short_8","alias_value":"K56FU5PG","created_at":"2026-07-05T12:05:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:K56FU5PGN435XCINQUNZFQ2WPQ","target":"record","payload":{"canonical_record":{"source":{"id":"2502.08352","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-12T12:27:32Z","cross_cats_sorted":[],"title_canon_sha256":"d12c25b5e50be6706ac5ba250aa1994c062c4280af3bdc5eb99fb93655281e85","abstract_canon_sha256":"4684833d24352ffcea4c87c44348d5f54f4d9a19e8addd676daa46c291057323"},"schema_version":"1.0"},"canonical_sha256":"577c5a75e66f37db890d851b92c3567c04677eece2ade92fda9f285dbde88a7e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:05:03.582837Z","signature_b64":"vAd3jyXbODhLtSzjGcZvGl/Tc1+FMPzmXaDfsmvxdzSPDhvFJMP4Rt3cJ6rcKa4bZINz+MdwIy7t/rdWNU+rCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"577c5a75e66f37db890d851b92c3567c04677eece2ade92fda9f285dbde88a7e","last_reissued_at":"2026-07-05T12:05:03.582298Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:05:03.582298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.08352","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T12:05:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"POJVKeNXfEbrgI/S0OUjYyLIGX4lNAcBMT1FaZWqSYJrT+FnaX0gFuk6VNY85gixZ+u66NhZlIz6QcEYzQquAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T15:50:33.401082Z"},"content_sha256":"4ec6d1de4d53f0550b1dbdc138fb585c0dc2706b379e1ea73f96bf71bf202dc5","schema_version":"1.0","event_id":"sha256:4ec6d1de4d53f0550b1dbdc138fb585c0dc2706b379e1ea73f96bf71bf202dc5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:K56FU5PGN435XCINQUNZFQ2WPQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sat-DN: Implicit Surface Reconstruction from Multi-View Satellite Images with Depth and Normal Supervision","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bingxuan Guo, Shuangming Zhao, Tianle Liu, Wanshou Jiang","submitted_at":"2025-02-12T12:27:32Z","abstract_excerpt":"With advancements in satellite imaging technology, acquiring high-resolution multi-view satellite imagery has become increasingly accessible, enabling rapid and location-independent ground model reconstruction. However, traditional stereo matching methods struggle to capture fine details, and while neural radiance fields (NeRFs) achieve high-quality reconstructions, their training time is prohibitively long. Moreover, challenges such as low visibility of building facades, illumination and style differences between pixels, and weakly textured regions in satellite imagery further make it hard to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.08352","kind":"arxiv","version":2},"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/2502.08352/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":"2026-07-05T12:05:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gr9MiUOIpTth08IZWJ9plewFO9eIHLsmxEcRy7zFMg2aM6oWC24yxh8vnrCrZ5WLyQYUT9pQpIuo581wYg2MAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T15:50:33.401595Z"},"content_sha256":"da590b34446efcf46fffc690f8d6342a81c4775dde9c71ab9ad677445279ba55","schema_version":"1.0","event_id":"sha256:da590b34446efcf46fffc690f8d6342a81c4775dde9c71ab9ad677445279ba55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K56FU5PGN435XCINQUNZFQ2WPQ/bundle.json","state_url":"https://pith.science/pith/K56FU5PGN435XCINQUNZFQ2WPQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K56FU5PGN435XCINQUNZFQ2WPQ/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":"2026-08-09T15:50:33Z","links":{"resolver":"https://pith.science/pith/K56FU5PGN435XCINQUNZFQ2WPQ","bundle":"https://pith.science/pith/K56FU5PGN435XCINQUNZFQ2WPQ/bundle.json","state":"https://pith.science/pith/K56FU5PGN435XCINQUNZFQ2WPQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K56FU5PGN435XCINQUNZFQ2WPQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:K56FU5PGN435XCINQUNZFQ2WPQ","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":"4684833d24352ffcea4c87c44348d5f54f4d9a19e8addd676daa46c291057323","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-12T12:27:32Z","title_canon_sha256":"d12c25b5e50be6706ac5ba250aa1994c062c4280af3bdc5eb99fb93655281e85"},"schema_version":"1.0","source":{"id":"2502.08352","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.08352","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"arxiv_version","alias_value":"2502.08352v2","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.08352","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"pith_short_12","alias_value":"K56FU5PGN435","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"pith_short_16","alias_value":"K56FU5PGN435XCIN","created_at":"2026-07-05T12:05:03Z"},{"alias_kind":"pith_short_8","alias_value":"K56FU5PG","created_at":"2026-07-05T12:05:03Z"}],"graph_snapshots":[{"event_id":"sha256:da590b34446efcf46fffc690f8d6342a81c4775dde9c71ab9ad677445279ba55","target":"graph","created_at":"2026-07-05T12:05:03Z","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/2502.08352/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With advancements in satellite imaging technology, acquiring high-resolution multi-view satellite imagery has become increasingly accessible, enabling rapid and location-independent ground model reconstruction. However, traditional stereo matching methods struggle to capture fine details, and while neural radiance fields (NeRFs) achieve high-quality reconstructions, their training time is prohibitively long. Moreover, challenges such as low visibility of building facades, illumination and style differences between pixels, and weakly textured regions in satellite imagery further make it hard to","authors_text":"Bingxuan Guo, Shuangming Zhao, Tianle Liu, Wanshou Jiang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-12T12:27:32Z","title":"Sat-DN: Implicit Surface Reconstruction from Multi-View Satellite Images with Depth and Normal Supervision"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.08352","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":"sha256:4ec6d1de4d53f0550b1dbdc138fb585c0dc2706b379e1ea73f96bf71bf202dc5","target":"record","created_at":"2026-07-05T12:05:03Z","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":"4684833d24352ffcea4c87c44348d5f54f4d9a19e8addd676daa46c291057323","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-12T12:27:32Z","title_canon_sha256":"d12c25b5e50be6706ac5ba250aa1994c062c4280af3bdc5eb99fb93655281e85"},"schema_version":"1.0","source":{"id":"2502.08352","kind":"arxiv","version":2}},"canonical_sha256":"577c5a75e66f37db890d851b92c3567c04677eece2ade92fda9f285dbde88a7e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"577c5a75e66f37db890d851b92c3567c04677eece2ade92fda9f285dbde88a7e","first_computed_at":"2026-07-05T12:05:03.582298Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:05:03.582298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vAd3jyXbODhLtSzjGcZvGl/Tc1+FMPzmXaDfsmvxdzSPDhvFJMP4Rt3cJ6rcKa4bZINz+MdwIy7t/rdWNU+rCg==","signature_status":"signed_v1","signed_at":"2026-07-05T12:05:03.582837Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.08352","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ec6d1de4d53f0550b1dbdc138fb585c0dc2706b379e1ea73f96bf71bf202dc5","sha256:da590b34446efcf46fffc690f8d6342a81c4775dde9c71ab9ad677445279ba55"],"state_sha256":"40a4aaa3287622d2c0b909c82a697eb65b5645746c097fb15641f8b02f78a607"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t093+mqEN8O2cB+3qVH8wRy4NOevPv2O4MBQENASWMY2mFJ5FkQ3CPNEd9ON8vc3PgUVmZRprOjrtdqhklwZCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T15:50:33.408478Z","bundle_sha256":"b835c031c0d2e8e94927fb28ec84031763f3f67227248cbf3020c14490ecde64"}}