{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:TDYPZERQDQX7HJ5UO6723BD7J5","short_pith_number":"pith:TDYPZERQ","canonical_record":{"source":{"id":"2303.15225","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-27T14:05:34Z","cross_cats_sorted":[],"title_canon_sha256":"91fac78a6abffba50f9f2c0ca91d24047b8daa1e5983afbf1d198dd5a6bf53e0","abstract_canon_sha256":"17b84f26999a111c229bf70b9464cd923a238fcf6f2f33b5a7be505ba6acb55e"},"schema_version":"1.0"},"canonical_sha256":"98f0fc92301c2ff3a7b477bfad847f4f42f4db1335ce5d0e94b0a557faa82119","source":{"kind":"arxiv","id":"2303.15225","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.15225","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"2303.15225v4","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.15225","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"TDYPZERQDQX7","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"pith_short_16","alias_value":"TDYPZERQDQX7HJ5U","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"pith_short_8","alias_value":"TDYPZERQ","created_at":"2026-07-05T09:04:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:TDYPZERQDQX7HJ5UO6723BD7J5","target":"record","payload":{"canonical_record":{"source":{"id":"2303.15225","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-27T14:05:34Z","cross_cats_sorted":[],"title_canon_sha256":"91fac78a6abffba50f9f2c0ca91d24047b8daa1e5983afbf1d198dd5a6bf53e0","abstract_canon_sha256":"17b84f26999a111c229bf70b9464cd923a238fcf6f2f33b5a7be505ba6acb55e"},"schema_version":"1.0"},"canonical_sha256":"98f0fc92301c2ff3a7b477bfad847f4f42f4db1335ce5d0e94b0a557faa82119","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:04:06.994030Z","signature_b64":"Wk3hjEmE44RSPP69fS6H/u0aJRa1fX9tYVy2B5BO/J1ygGW6V9D2nV2GOV6ZkqF3rV20IbGQ8Y8CcNogVepgDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98f0fc92301c2ff3a7b477bfad847f4f42f4db1335ce5d0e94b0a557faa82119","last_reissued_at":"2026-07-05T09:04:06.993617Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:04:06.993617Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.15225","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pNunp8t53z7shU6Wfbtk7sIS+TBu6wXkT0s92WSVSdmHXGb4Pq/rXMp58zP2f+SQgvoZ662ZDEuTZbwucJHpAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T15:11:25.767699Z"},"content_sha256":"c0cb3423ddc74039b2c831f73cb72ce6ead0a6c2c8063983181b6881e8cc6dbb","schema_version":"1.0","event_id":"sha256:c0cb3423ddc74039b2c831f73cb72ce6ead0a6c2c8063983181b6881e8cc6dbb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:TDYPZERQDQX7HJ5UO6723BD7J5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GP-PCS: One-shot Feature-Preserving Point Cloud Simplification with Gaussian Processes on Riemannian Manifolds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Rudi Penne, Seppe Sels, Stuti Pathak, Thomas M. McDonald","submitted_at":"2023-03-27T14:05:34Z","abstract_excerpt":"The processing, storage and transmission of large-scale point clouds is an ongoing challenge in the computer vision community which hinders progress in the application of 3D models to real-world settings, such as autonomous driving, virtual reality and remote sensing. We propose a novel, one-shot point cloud simplification method which preserves both the salient structural features and the overall shape of a point cloud without any prior surface reconstruction step. Our method employs Gaussian processes suitable for functions defined on Riemannian manifolds, allowing us to model the surface va"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.15225","kind":"arxiv","version":4},"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/2303.15225/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":"2026-07-05T09:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oKlyghZJKVu3Hya6ubkJJZ6IIM7+Pk7dhnmzn3suoBRE18SEnfiLvnajuuFhHIgfpRVMIX0YqPvrnCGJm1x6Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T15:11:25.768574Z"},"content_sha256":"aabec5473c5d22802b88b2b4db860decd23b7fc85ed93ee3fe5d3d9330093c04","schema_version":"1.0","event_id":"sha256:aabec5473c5d22802b88b2b4db860decd23b7fc85ed93ee3fe5d3d9330093c04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TDYPZERQDQX7HJ5UO6723BD7J5/bundle.json","state_url":"https://pith.science/pith/TDYPZERQDQX7HJ5UO6723BD7J5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TDYPZERQDQX7HJ5UO6723BD7J5/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":"2026-08-20T15:11:25Z","links":{"resolver":"https://pith.science/pith/TDYPZERQDQX7HJ5UO6723BD7J5","bundle":"https://pith.science/pith/TDYPZERQDQX7HJ5UO6723BD7J5/bundle.json","state":"https://pith.science/pith/TDYPZERQDQX7HJ5UO6723BD7J5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TDYPZERQDQX7HJ5UO6723BD7J5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:TDYPZERQDQX7HJ5UO6723BD7J5","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":"17b84f26999a111c229bf70b9464cd923a238fcf6f2f33b5a7be505ba6acb55e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-27T14:05:34Z","title_canon_sha256":"91fac78a6abffba50f9f2c0ca91d24047b8daa1e5983afbf1d198dd5a6bf53e0"},"schema_version":"1.0","source":{"id":"2303.15225","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.15225","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"2303.15225v4","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.15225","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"TDYPZERQDQX7","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"pith_short_16","alias_value":"TDYPZERQDQX7HJ5U","created_at":"2026-07-05T09:04:06Z"},{"alias_kind":"pith_short_8","alias_value":"TDYPZERQ","created_at":"2026-07-05T09:04:06Z"}],"graph_snapshots":[{"event_id":"sha256:aabec5473c5d22802b88b2b4db860decd23b7fc85ed93ee3fe5d3d9330093c04","target":"graph","created_at":"2026-07-05T09:04:06Z","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/2303.15225/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The processing, storage and transmission of large-scale point clouds is an ongoing challenge in the computer vision community which hinders progress in the application of 3D models to real-world settings, such as autonomous driving, virtual reality and remote sensing. We propose a novel, one-shot point cloud simplification method which preserves both the salient structural features and the overall shape of a point cloud without any prior surface reconstruction step. Our method employs Gaussian processes suitable for functions defined on Riemannian manifolds, allowing us to model the surface va","authors_text":"Rudi Penne, Seppe Sels, Stuti Pathak, Thomas M. McDonald","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-27T14:05:34Z","title":"GP-PCS: One-shot Feature-Preserving Point Cloud Simplification with Gaussian Processes on Riemannian Manifolds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.15225","kind":"arxiv","version":4},"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:c0cb3423ddc74039b2c831f73cb72ce6ead0a6c2c8063983181b6881e8cc6dbb","target":"record","created_at":"2026-07-05T09:04:06Z","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":"17b84f26999a111c229bf70b9464cd923a238fcf6f2f33b5a7be505ba6acb55e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-27T14:05:34Z","title_canon_sha256":"91fac78a6abffba50f9f2c0ca91d24047b8daa1e5983afbf1d198dd5a6bf53e0"},"schema_version":"1.0","source":{"id":"2303.15225","kind":"arxiv","version":4}},"canonical_sha256":"98f0fc92301c2ff3a7b477bfad847f4f42f4db1335ce5d0e94b0a557faa82119","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98f0fc92301c2ff3a7b477bfad847f4f42f4db1335ce5d0e94b0a557faa82119","first_computed_at":"2026-07-05T09:04:06.993617Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:04:06.993617Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wk3hjEmE44RSPP69fS6H/u0aJRa1fX9tYVy2B5BO/J1ygGW6V9D2nV2GOV6ZkqF3rV20IbGQ8Y8CcNogVepgDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:04:06.994030Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.15225","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c0cb3423ddc74039b2c831f73cb72ce6ead0a6c2c8063983181b6881e8cc6dbb","sha256:aabec5473c5d22802b88b2b4db860decd23b7fc85ed93ee3fe5d3d9330093c04"],"state_sha256":"aa6220bb957c016f87cf95e99e074511e98e775adde2bb44fabf8dc68a60a7e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zmiDdapKPGpxUdzuat5Qymrsj3Mt07+NWXQMgL7SZ0028Mh+WK3k1ua+A4DEXVK9BXrJlk/kdF5hMts5nrz0Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T15:11:25.774759Z","bundle_sha256":"90c4597e59ad95d8d086e7e3db8a3d7dffc72bb3380e3ec00f48033115cbb349"}}