{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:WH6R6PWUJYUI5S5HFFPPDRZKX5","short_pith_number":"pith:WH6R6PWU","canonical_record":{"source":{"id":"2607.14470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-16T01:33:37Z","cross_cats_sorted":["cs.RO"],"title_canon_sha256":"4424b2c96190a636964012563a27267cda12c184046018f21ce25c4c8a268885","abstract_canon_sha256":"7619990dc3bed71900947df2b8adfd3a64e32f04c16c32ad5e07cfbfcb394acd"},"schema_version":"1.0"},"canonical_sha256":"b1fd1f3ed44e288ecba7295ef1c72abf5a48db53bc5dd8ac0dd2d4cf52d44977","source":{"kind":"arxiv","id":"2607.14470","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.14470","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"arxiv_version","alias_value":"2607.14470v1","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.14470","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"pith_short_12","alias_value":"WH6R6PWUJYUI","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"pith_short_16","alias_value":"WH6R6PWUJYUI5S5H","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"pith_short_8","alias_value":"WH6R6PWU","created_at":"2026-07-17T00:21:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:WH6R6PWUJYUI5S5HFFPPDRZKX5","target":"record","payload":{"canonical_record":{"source":{"id":"2607.14470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-16T01:33:37Z","cross_cats_sorted":["cs.RO"],"title_canon_sha256":"4424b2c96190a636964012563a27267cda12c184046018f21ce25c4c8a268885","abstract_canon_sha256":"7619990dc3bed71900947df2b8adfd3a64e32f04c16c32ad5e07cfbfcb394acd"},"schema_version":"1.0"},"canonical_sha256":"b1fd1f3ed44e288ecba7295ef1c72abf5a48db53bc5dd8ac0dd2d4cf52d44977","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-17T00:21:14.077091Z","signature_b64":"nuqxc8rE15UXajJAJw4+0G97v3oPd1Zi3cByh5qlPQLgQfAmhtgw+qP+iIeOer0GBvvJBzb1QPfMIbStFl/WCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1fd1f3ed44e288ecba7295ef1c72abf5a48db53bc5dd8ac0dd2d4cf52d44977","last_reissued_at":"2026-07-17T00:21:14.076264Z","signature_status":"signed_v1","first_computed_at":"2026-07-17T00:21:14.076264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.14470","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":"2026-07-17T00:21:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VIqS+bt/YYk12Bwr9cSnnXPBhnC7TQc97GsYKo+iGkWOghiY99/nNfvr07cFcWlvtkQ5sNT4wEfcV4+YradbCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T14:51:30.338396Z"},"content_sha256":"7e51f9c373e8744fd51c32280db7372039362e41fafc8717009637670bca2063","schema_version":"1.0","event_id":"sha256:7e51f9c373e8744fd51c32280db7372039362e41fafc8717009637670bca2063"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:WH6R6PWUJYUI5S5HFFPPDRZKX5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"G$^2$SR: Geometric Methods for Fast and Memory-Efficient Gaussian-based Surface Reconstruction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.RO"],"primary_cat":"cs.CV","authors_text":"Dasong Gao, Sertac Karaman, Vivienne Sze","submitted_at":"2026-07-16T01:33:37Z","abstract_excerpt":"Few-view surface reconstruction recovers the visible surfaces of a scene from a few posed RGB images, providing the 3D models that robots need to explore and interact online. On mobile platforms, the reconstruction must be fast and geometrically accurate while keeping a small memory footprint to ensure safe and efficient operation. 3D Gaussian Splatting (3DGS) offers a high-fidelity scene representation, but building it from a few views is ill-posed, as many distinct surfaces reproduce the same images, making traditional photometric methods prone to \"floater\" artifacts. End-to-end methods reso"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.14470","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/2607.14470/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":"2026-07-17T00:21:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bn7Rap4Gqm4fIdWihbDUK0+9Pk/SpTOvy7ZZEPWpgZ20Y3O3MN1wJ6VxuP8W1N8RGpXlHNlK0EQoNu0Zv7gRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T14:51:30.339300Z"},"content_sha256":"fbd6acc4440f3d640f3d7780c45ebd161f92cc35f69b79b608e271ff4b865c95","schema_version":"1.0","event_id":"sha256:fbd6acc4440f3d640f3d7780c45ebd161f92cc35f69b79b608e271ff4b865c95"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WH6R6PWUJYUI5S5HFFPPDRZKX5/bundle.json","state_url":"https://pith.science/pith/WH6R6PWUJYUI5S5HFFPPDRZKX5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WH6R6PWUJYUI5S5HFFPPDRZKX5/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":"2026-08-05T14:51:30Z","links":{"resolver":"https://pith.science/pith/WH6R6PWUJYUI5S5HFFPPDRZKX5","bundle":"https://pith.science/pith/WH6R6PWUJYUI5S5HFFPPDRZKX5/bundle.json","state":"https://pith.science/pith/WH6R6PWUJYUI5S5HFFPPDRZKX5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WH6R6PWUJYUI5S5HFFPPDRZKX5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:WH6R6PWUJYUI5S5HFFPPDRZKX5","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":"7619990dc3bed71900947df2b8adfd3a64e32f04c16c32ad5e07cfbfcb394acd","cross_cats_sorted":["cs.RO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-16T01:33:37Z","title_canon_sha256":"4424b2c96190a636964012563a27267cda12c184046018f21ce25c4c8a268885"},"schema_version":"1.0","source":{"id":"2607.14470","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.14470","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"arxiv_version","alias_value":"2607.14470v1","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.14470","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"pith_short_12","alias_value":"WH6R6PWUJYUI","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"pith_short_16","alias_value":"WH6R6PWUJYUI5S5H","created_at":"2026-07-17T00:21:14Z"},{"alias_kind":"pith_short_8","alias_value":"WH6R6PWU","created_at":"2026-07-17T00:21:14Z"}],"graph_snapshots":[{"event_id":"sha256:fbd6acc4440f3d640f3d7780c45ebd161f92cc35f69b79b608e271ff4b865c95","target":"graph","created_at":"2026-07-17T00:21:14Z","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/2607.14470/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Few-view surface reconstruction recovers the visible surfaces of a scene from a few posed RGB images, providing the 3D models that robots need to explore and interact online. On mobile platforms, the reconstruction must be fast and geometrically accurate while keeping a small memory footprint to ensure safe and efficient operation. 3D Gaussian Splatting (3DGS) offers a high-fidelity scene representation, but building it from a few views is ill-posed, as many distinct surfaces reproduce the same images, making traditional photometric methods prone to \"floater\" artifacts. End-to-end methods reso","authors_text":"Dasong Gao, Sertac Karaman, Vivienne Sze","cross_cats":["cs.RO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-16T01:33:37Z","title":"G$^2$SR: Geometric Methods for Fast and Memory-Efficient Gaussian-based Surface Reconstruction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.14470","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":"sha256:7e51f9c373e8744fd51c32280db7372039362e41fafc8717009637670bca2063","target":"record","created_at":"2026-07-17T00:21:14Z","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":"7619990dc3bed71900947df2b8adfd3a64e32f04c16c32ad5e07cfbfcb394acd","cross_cats_sorted":["cs.RO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-16T01:33:37Z","title_canon_sha256":"4424b2c96190a636964012563a27267cda12c184046018f21ce25c4c8a268885"},"schema_version":"1.0","source":{"id":"2607.14470","kind":"arxiv","version":1}},"canonical_sha256":"b1fd1f3ed44e288ecba7295ef1c72abf5a48db53bc5dd8ac0dd2d4cf52d44977","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1fd1f3ed44e288ecba7295ef1c72abf5a48db53bc5dd8ac0dd2d4cf52d44977","first_computed_at":"2026-07-17T00:21:14.076264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-17T00:21:14.076264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nuqxc8rE15UXajJAJw4+0G97v3oPd1Zi3cByh5qlPQLgQfAmhtgw+qP+iIeOer0GBvvJBzb1QPfMIbStFl/WCg==","signature_status":"signed_v1","signed_at":"2026-07-17T00:21:14.077091Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.14470","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e51f9c373e8744fd51c32280db7372039362e41fafc8717009637670bca2063","sha256:fbd6acc4440f3d640f3d7780c45ebd161f92cc35f69b79b608e271ff4b865c95"],"state_sha256":"2e685626ae99dde8eb2ec433ad1f03447c4075a3a27afdb8720afde3080dbe7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FfCo1eCYR8uDlGk4HcIygqmmKFNkIJhSjfHnyG/NExOTlsomYCyPSMiSHWYs9u/qCmDFrvW2S9GWevu0oHCUBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T14:51:30.346283Z","bundle_sha256":"5be7772e491be8633023473ab060f67e1babdc4f6ac8df7b75a8777aa4064965"}}