{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:43OICIOYJ3DYFFITQ56U46N4AH","short_pith_number":"pith:43OICIOY","canonical_record":{"source":{"id":"2308.12535","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-24T03:44:05Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"cf7b565177e57557a6dbcbbe63487b3b44e541873ab57d325e74317d484d8365","abstract_canon_sha256":"345fd9ac2e05339d9422906060fa53b9541cf78ba9ff5890b718de4f2c5b213e"},"schema_version":"1.0"},"canonical_sha256":"e6dc8121d84ec7829513877d4e79bc01d804b451cc412d8d46bd63f103df2a58","source":{"kind":"arxiv","id":"2308.12535","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12535","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12535v3","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12535","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"pith_short_12","alias_value":"43OICIOYJ3DY","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"pith_short_16","alias_value":"43OICIOYJ3DYFFIT","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"pith_short_8","alias_value":"43OICIOY","created_at":"2026-07-05T07:42:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:43OICIOYJ3DYFFITQ56U46N4AH","target":"record","payload":{"canonical_record":{"source":{"id":"2308.12535","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-24T03:44:05Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"cf7b565177e57557a6dbcbbe63487b3b44e541873ab57d325e74317d484d8365","abstract_canon_sha256":"345fd9ac2e05339d9422906060fa53b9541cf78ba9ff5890b718de4f2c5b213e"},"schema_version":"1.0"},"canonical_sha256":"e6dc8121d84ec7829513877d4e79bc01d804b451cc412d8d46bd63f103df2a58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:42:41.648836Z","signature_b64":"dAMYQcq6YzAPfT2COR6zSESgBNfkAlNJC47u2cC5khALzChUDy0/huLDddTyzuUJS0wtbE6ShpLZ0f9QNQdiAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6dc8121d84ec7829513877d4e79bc01d804b451cc412d8d46bd63f103df2a58","last_reissued_at":"2026-07-05T07:42:41.648451Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:42:41.648451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.12535","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:42:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K/qZ3izQTtfmerWtlqgMYu8FYKkh1hQ6FMc1CzlRXGqNAad+tBiK1loMrFrs0rtTFEsoHXrYx01slEtfd+43CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T17:48:47.540765Z"},"content_sha256":"5f2dd79d6188454f930e80bc59b2d9cee2f0e3cfa0110bec5243785933c31e8c","schema_version":"1.0","event_id":"sha256:5f2dd79d6188454f930e80bc59b2d9cee2f0e3cfa0110bec5243785933c31e8c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:43OICIOYJ3DYFFITQ56U46N4AH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SCP: Spherical-Coordinate-based Learned Point Cloud Compression","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Ao Luo, Heming Sun, Jiro Katto, Keisuke Nonaka, Kyohei Unno, Linxin Song, Masayuki Goto","submitted_at":"2023-08-24T03:44:05Z","abstract_excerpt":"In recent years, the task of learned point cloud compression has gained prominence. An important type of point cloud, the spinning LiDAR point cloud, is generated by spinning LiDAR on vehicles. This process results in numerous circular shapes and azimuthal angle invariance features within the point clouds. However, these two features have been largely overlooked by previous methodologies. In this paper, we introduce a model-agnostic method called Spherical-Coordinate-based learned Point cloud compression (SCP), designed to leverage the aforementioned features fully. Additionally, we propose a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12535","kind":"arxiv","version":3},"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/2308.12535/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":"2026-07-05T07:42:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HAidzkNjhLauyZ8dDKfpec02qPHuZDjAxz0KLewNNm22Q3KttgpzDNatDJUSHPNerUnN/jHE7PTzKs6wevuwDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T17:48:47.541123Z"},"content_sha256":"3311e1657880665871c133db8e33a2a8c9e3f1670a85b056a2626244855f8449","schema_version":"1.0","event_id":"sha256:3311e1657880665871c133db8e33a2a8c9e3f1670a85b056a2626244855f8449"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/43OICIOYJ3DYFFITQ56U46N4AH/bundle.json","state_url":"https://pith.science/pith/43OICIOYJ3DYFFITQ56U46N4AH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/43OICIOYJ3DYFFITQ56U46N4AH/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":"2026-07-18T17:48:47Z","links":{"resolver":"https://pith.science/pith/43OICIOYJ3DYFFITQ56U46N4AH","bundle":"https://pith.science/pith/43OICIOYJ3DYFFITQ56U46N4AH/bundle.json","state":"https://pith.science/pith/43OICIOYJ3DYFFITQ56U46N4AH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/43OICIOYJ3DYFFITQ56U46N4AH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:43OICIOYJ3DYFFITQ56U46N4AH","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":"345fd9ac2e05339d9422906060fa53b9541cf78ba9ff5890b718de4f2c5b213e","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-24T03:44:05Z","title_canon_sha256":"cf7b565177e57557a6dbcbbe63487b3b44e541873ab57d325e74317d484d8365"},"schema_version":"1.0","source":{"id":"2308.12535","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12535","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12535v3","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12535","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"pith_short_12","alias_value":"43OICIOYJ3DY","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"pith_short_16","alias_value":"43OICIOYJ3DYFFIT","created_at":"2026-07-05T07:42:41Z"},{"alias_kind":"pith_short_8","alias_value":"43OICIOY","created_at":"2026-07-05T07:42:41Z"}],"graph_snapshots":[{"event_id":"sha256:3311e1657880665871c133db8e33a2a8c9e3f1670a85b056a2626244855f8449","target":"graph","created_at":"2026-07-05T07:42:41Z","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/2308.12535/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent years, the task of learned point cloud compression has gained prominence. An important type of point cloud, the spinning LiDAR point cloud, is generated by spinning LiDAR on vehicles. This process results in numerous circular shapes and azimuthal angle invariance features within the point clouds. However, these two features have been largely overlooked by previous methodologies. In this paper, we introduce a model-agnostic method called Spherical-Coordinate-based learned Point cloud compression (SCP), designed to leverage the aforementioned features fully. Additionally, we propose a ","authors_text":"Ao Luo, Heming Sun, Jiro Katto, Keisuke Nonaka, Kyohei Unno, Linxin Song, Masayuki Goto","cross_cats":["eess.IV"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-24T03:44:05Z","title":"SCP: Spherical-Coordinate-based Learned Point Cloud Compression"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12535","kind":"arxiv","version":3},"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":"sha256:5f2dd79d6188454f930e80bc59b2d9cee2f0e3cfa0110bec5243785933c31e8c","target":"record","created_at":"2026-07-05T07:42:41Z","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":"345fd9ac2e05339d9422906060fa53b9541cf78ba9ff5890b718de4f2c5b213e","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-24T03:44:05Z","title_canon_sha256":"cf7b565177e57557a6dbcbbe63487b3b44e541873ab57d325e74317d484d8365"},"schema_version":"1.0","source":{"id":"2308.12535","kind":"arxiv","version":3}},"canonical_sha256":"e6dc8121d84ec7829513877d4e79bc01d804b451cc412d8d46bd63f103df2a58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6dc8121d84ec7829513877d4e79bc01d804b451cc412d8d46bd63f103df2a58","first_computed_at":"2026-07-05T07:42:41.648451Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:42:41.648451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dAMYQcq6YzAPfT2COR6zSESgBNfkAlNJC47u2cC5khALzChUDy0/huLDddTyzuUJS0wtbE6ShpLZ0f9QNQdiAw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:42:41.648836Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.12535","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f2dd79d6188454f930e80bc59b2d9cee2f0e3cfa0110bec5243785933c31e8c","sha256:3311e1657880665871c133db8e33a2a8c9e3f1670a85b056a2626244855f8449"],"state_sha256":"9579f42104afed43c1c4a646bb5b117c9aa4e4bdc00a98c42b252ce6417c49b5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p08Q1wbiSeO37Orys/pxUOyGjP4ivS61kigVvaZGm26qRIk6q6Qxr2tWblBVUhDtwtb2A+0WGxYQivkI5p5/AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T17:48:47.543171Z","bundle_sha256":"8c4d07442030891dfe6c258e22c22f6ba07e9b44b555a245cc252126c08e039e"}}