{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:5IZNVDZKXXUPJPXYF7GM53YKVD","short_pith_number":"pith:5IZNVDZK","canonical_record":{"source":{"id":"2411.17067","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2024-11-26T03:07:05Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"b2f3d16d882eff485856100d631b271a1689a99a1712c32800d275005cfdb669","abstract_canon_sha256":"7cdf7ecde6f6e2c80e1e2f97a4be4af7da15743073f9c2f58761fc69afb9a808"},"schema_version":"1.0"},"canonical_sha256":"ea32da8f2abde8f4bef82fccceef0aa8e22a8f480a5bf938252b4672e16d8bb5","source":{"kind":"arxiv","id":"2411.17067","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.17067","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"arxiv_version","alias_value":"2411.17067v2","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.17067","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"pith_short_12","alias_value":"5IZNVDZKXXUP","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"pith_short_16","alias_value":"5IZNVDZKXXUPJPXY","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"pith_short_8","alias_value":"5IZNVDZK","created_at":"2026-07-05T10:40:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:5IZNVDZKXXUPJPXYF7GM53YKVD","target":"record","payload":{"canonical_record":{"source":{"id":"2411.17067","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2024-11-26T03:07:05Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"b2f3d16d882eff485856100d631b271a1689a99a1712c32800d275005cfdb669","abstract_canon_sha256":"7cdf7ecde6f6e2c80e1e2f97a4be4af7da15743073f9c2f58761fc69afb9a808"},"schema_version":"1.0"},"canonical_sha256":"ea32da8f2abde8f4bef82fccceef0aa8e22a8f480a5bf938252b4672e16d8bb5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:40:37.013401Z","signature_b64":"FzlJPlMlyzy9HIWmy81pwW1LzYPbbQmuakW6L85VTzVbBqR2deMr4c+w1Dz7/ItMo/eXvh5s2UkvR9KhK/bFBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea32da8f2abde8f4bef82fccceef0aa8e22a8f480a5bf938252b4672e16d8bb5","last_reissued_at":"2026-07-05T10:40:37.012885Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:40:37.012885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.17067","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":"2026-07-05T10:40:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W+QwFq6oFD9NYkJcO3428O9dI8GEUqhOo8SnTk0UwrdiiY0HVeZGvNGgkqAeGPfr3oIJszWIyvrAMeAQoeVNBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T03:41:56.230581Z"},"content_sha256":"19dd4923b35bddef0b6b172389855d2285ba74b39bc7d9a3ff9f623ea86f468e","schema_version":"1.0","event_id":"sha256:19dd4923b35bddef0b6b172389855d2285ba74b39bc7d9a3ff9f623ea86f468e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:5IZNVDZKXXUPJPXYF7GM53YKVD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Geometry Field Splatting with Gaussian Surfels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"cs.GR","authors_text":"Cheng Peng, Kaiwen Jiang, Ravi Ramamoorthi, Venkataram Sivaram","submitted_at":"2024-11-26T03:07:05Z","abstract_excerpt":"Geometric reconstruction of opaque surfaces from images is a longstanding challenge in computer vision, with renewed interest from volumetric view synthesis algorithms using radiance fields. We leverage the geometry field proposed in recent work for stochastic opaque surfaces, which can then be converted to volume densities. We adapt Gaussian kernels or surfels to splat the geometry field rather than the volume, enabling precise reconstruction of opaque solids. Our first contribution is to derive an efficient and almost exact differentiable rendering algorithm for geometry fields parameterized"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.17067","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/2411.17067/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":"2026-07-05T10:40:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fYsJ7L9sZkNaNy2EPqnbItFVYt8Qif6LA0knZFf2PWaeITq+UZh/r2w7C4MImJnqj+jCt4SJOgjCLXIzexniAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T03:41:56.231084Z"},"content_sha256":"e03c3d244189312a3ac678d8308a30eeb8577c60e9d19a6e1a3099d6237fb80f","schema_version":"1.0","event_id":"sha256:e03c3d244189312a3ac678d8308a30eeb8577c60e9d19a6e1a3099d6237fb80f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5IZNVDZKXXUPJPXYF7GM53YKVD/bundle.json","state_url":"https://pith.science/pith/5IZNVDZKXXUPJPXYF7GM53YKVD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5IZNVDZKXXUPJPXYF7GM53YKVD/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":"2026-08-19T03:41:56Z","links":{"resolver":"https://pith.science/pith/5IZNVDZKXXUPJPXYF7GM53YKVD","bundle":"https://pith.science/pith/5IZNVDZKXXUPJPXYF7GM53YKVD/bundle.json","state":"https://pith.science/pith/5IZNVDZKXXUPJPXYF7GM53YKVD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5IZNVDZKXXUPJPXYF7GM53YKVD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:5IZNVDZKXXUPJPXYF7GM53YKVD","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":"7cdf7ecde6f6e2c80e1e2f97a4be4af7da15743073f9c2f58761fc69afb9a808","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2024-11-26T03:07:05Z","title_canon_sha256":"b2f3d16d882eff485856100d631b271a1689a99a1712c32800d275005cfdb669"},"schema_version":"1.0","source":{"id":"2411.17067","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.17067","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"arxiv_version","alias_value":"2411.17067v2","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.17067","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"pith_short_12","alias_value":"5IZNVDZKXXUP","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"pith_short_16","alias_value":"5IZNVDZKXXUPJPXY","created_at":"2026-07-05T10:40:37Z"},{"alias_kind":"pith_short_8","alias_value":"5IZNVDZK","created_at":"2026-07-05T10:40:37Z"}],"graph_snapshots":[{"event_id":"sha256:e03c3d244189312a3ac678d8308a30eeb8577c60e9d19a6e1a3099d6237fb80f","target":"graph","created_at":"2026-07-05T10:40:37Z","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/2411.17067/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Geometric reconstruction of opaque surfaces from images is a longstanding challenge in computer vision, with renewed interest from volumetric view synthesis algorithms using radiance fields. We leverage the geometry field proposed in recent work for stochastic opaque surfaces, which can then be converted to volume densities. We adapt Gaussian kernels or surfels to splat the geometry field rather than the volume, enabling precise reconstruction of opaque solids. Our first contribution is to derive an efficient and almost exact differentiable rendering algorithm for geometry fields parameterized","authors_text":"Cheng Peng, Kaiwen Jiang, Ravi Ramamoorthi, Venkataram Sivaram","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2024-11-26T03:07:05Z","title":"Geometry Field Splatting with Gaussian Surfels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.17067","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":"sha256:19dd4923b35bddef0b6b172389855d2285ba74b39bc7d9a3ff9f623ea86f468e","target":"record","created_at":"2026-07-05T10:40:37Z","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":"7cdf7ecde6f6e2c80e1e2f97a4be4af7da15743073f9c2f58761fc69afb9a808","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2024-11-26T03:07:05Z","title_canon_sha256":"b2f3d16d882eff485856100d631b271a1689a99a1712c32800d275005cfdb669"},"schema_version":"1.0","source":{"id":"2411.17067","kind":"arxiv","version":2}},"canonical_sha256":"ea32da8f2abde8f4bef82fccceef0aa8e22a8f480a5bf938252b4672e16d8bb5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea32da8f2abde8f4bef82fccceef0aa8e22a8f480a5bf938252b4672e16d8bb5","first_computed_at":"2026-07-05T10:40:37.012885Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:40:37.012885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FzlJPlMlyzy9HIWmy81pwW1LzYPbbQmuakW6L85VTzVbBqR2deMr4c+w1Dz7/ItMo/eXvh5s2UkvR9KhK/bFBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:40:37.013401Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.17067","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19dd4923b35bddef0b6b172389855d2285ba74b39bc7d9a3ff9f623ea86f468e","sha256:e03c3d244189312a3ac678d8308a30eeb8577c60e9d19a6e1a3099d6237fb80f"],"state_sha256":"151d7d8aa25150efcd9c367f882a0780255ce6f3254cc48088876f666603bd01"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LgbGjnHOJbcwCQULgpHrY/VEro7aXv5B9AwkvKN3moimDAawjItIO2WZz3+1zefaPtOTwvfAyQCVVVD+hU7lCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T03:41:56.235021Z","bundle_sha256":"5de122c868b56bdb02dde7299a50a0310ec00d5c886d20fd2c4e0bb7c0ac1593"}}