{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:U5WHERYP7RNTHU53NDNH4QX52O","short_pith_number":"pith:U5WHERYP","canonical_record":{"source":{"id":"2605.25563","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T08:17:35Z","cross_cats_sorted":[],"title_canon_sha256":"9ebe450ce073ac52e11ff1d730c8a4f45e18b5f0fa196a0fc8343722656fb380","abstract_canon_sha256":"b383cc3d87436f07dff0d484c8100d775f18f00512edb970b10bb2f2e3377b9b"},"schema_version":"1.0"},"canonical_sha256":"a76c72470ffc5b33d3bb68da7e42fdd386a2321028dcfa709d9477005f8a416f","source":{"kind":"arxiv","id":"2605.25563","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25563","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25563v1","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25563","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"pith_short_12","alias_value":"U5WHERYP7RNT","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"pith_short_16","alias_value":"U5WHERYP7RNTHU53","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"pith_short_8","alias_value":"U5WHERYP","created_at":"2026-05-26T02:04:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:U5WHERYP7RNTHU53NDNH4QX52O","target":"record","payload":{"canonical_record":{"source":{"id":"2605.25563","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T08:17:35Z","cross_cats_sorted":[],"title_canon_sha256":"9ebe450ce073ac52e11ff1d730c8a4f45e18b5f0fa196a0fc8343722656fb380","abstract_canon_sha256":"b383cc3d87436f07dff0d484c8100d775f18f00512edb970b10bb2f2e3377b9b"},"schema_version":"1.0"},"canonical_sha256":"a76c72470ffc5b33d3bb68da7e42fdd386a2321028dcfa709d9477005f8a416f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T02:04:43.205528Z","signature_b64":"a+O62rXChheD4J7jQSu9DkoBe8A/K4dLkC3HkR9XcW2TUnAG0EdjiwO059+pCY6X6BF/sYQwoYgx5rYoO71cAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a76c72470ffc5b33d3bb68da7e42fdd386a2321028dcfa709d9477005f8a416f","last_reissued_at":"2026-05-26T02:04:43.204641Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T02:04:43.204641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.25563","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":"2026-05-26T02:04:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AT9SP5yJDE8DXS4H0w8f4ewIqWuFlOFjF67LxDa13Ap4SicLsA5DovEA1QvFEGYIfFh1pRyeHtK4MFjnJ+MIDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:44:32.841390Z"},"content_sha256":"556e977370a141d471e47477b8824c4b2f9affec53ccc35ad17227605d4f7298","schema_version":"1.0","event_id":"sha256:556e977370a141d471e47477b8824c4b2f9affec53ccc35ad17227605d4f7298"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:U5WHERYP7RNTHU53NDNH4QX52O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CodecSplat: Ultra-Compact Latent Coding for Feed-Forward 3D Gaussian Splatting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Dingquan Li, Jing Wang, Pengpeng Yu, Qi Zhang, Runqing Jiang, Yulan Guo","submitted_at":"2026-05-25T08:17:35Z","abstract_excerpt":"While feed-forward 3D Gaussian splatting reconstructs renderable Gaussian primitives from sparse context views without per-scene optimization, existing pipelines do not provide a compact scene representation for storage or transmission. A natural solution is to apply existing 3DGS compression methods to the generated Gaussian primitives. However, this approach operates on the final irregular 3D representation and is decoupled from the internal feature-to-Gaussian generation process, which limits compression efficiency. To address this, we introduce CodecSplat, an ultra-compact latent coding fr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25563","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/2605.25563/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":"2026-05-26T02:04:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sMM0Ntu6Ow+A3uCnCay95fm0aUxP0jmIEeTu6zCEyd65gXaTXd3ZfZEtdk67KktvhbncOYOCt95kpnCIywp0Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:44:32.841808Z"},"content_sha256":"347b8c07e27e652e7cff12c258bb4ffc590af606045fbc646e49ffd4a6607488","schema_version":"1.0","event_id":"sha256:347b8c07e27e652e7cff12c258bb4ffc590af606045fbc646e49ffd4a6607488"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U5WHERYP7RNTHU53NDNH4QX52O/bundle.json","state_url":"https://pith.science/pith/U5WHERYP7RNTHU53NDNH4QX52O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U5WHERYP7RNTHU53NDNH4QX52O/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":"2026-05-27T20:44:32Z","links":{"resolver":"https://pith.science/pith/U5WHERYP7RNTHU53NDNH4QX52O","bundle":"https://pith.science/pith/U5WHERYP7RNTHU53NDNH4QX52O/bundle.json","state":"https://pith.science/pith/U5WHERYP7RNTHU53NDNH4QX52O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U5WHERYP7RNTHU53NDNH4QX52O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:U5WHERYP7RNTHU53NDNH4QX52O","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":"b383cc3d87436f07dff0d484c8100d775f18f00512edb970b10bb2f2e3377b9b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T08:17:35Z","title_canon_sha256":"9ebe450ce073ac52e11ff1d730c8a4f45e18b5f0fa196a0fc8343722656fb380"},"schema_version":"1.0","source":{"id":"2605.25563","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25563","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25563v1","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25563","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"pith_short_12","alias_value":"U5WHERYP7RNT","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"pith_short_16","alias_value":"U5WHERYP7RNTHU53","created_at":"2026-05-26T02:04:43Z"},{"alias_kind":"pith_short_8","alias_value":"U5WHERYP","created_at":"2026-05-26T02:04:43Z"}],"graph_snapshots":[{"event_id":"sha256:347b8c07e27e652e7cff12c258bb4ffc590af606045fbc646e49ffd4a6607488","target":"graph","created_at":"2026-05-26T02:04:43Z","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/2605.25563/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"While feed-forward 3D Gaussian splatting reconstructs renderable Gaussian primitives from sparse context views without per-scene optimization, existing pipelines do not provide a compact scene representation for storage or transmission. A natural solution is to apply existing 3DGS compression methods to the generated Gaussian primitives. However, this approach operates on the final irregular 3D representation and is decoupled from the internal feature-to-Gaussian generation process, which limits compression efficiency. To address this, we introduce CodecSplat, an ultra-compact latent coding fr","authors_text":"Dingquan Li, Jing Wang, Pengpeng Yu, Qi Zhang, Runqing Jiang, Yulan Guo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T08:17:35Z","title":"CodecSplat: Ultra-Compact Latent Coding for Feed-Forward 3D Gaussian Splatting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25563","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":"sha256:556e977370a141d471e47477b8824c4b2f9affec53ccc35ad17227605d4f7298","target":"record","created_at":"2026-05-26T02:04:43Z","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":"b383cc3d87436f07dff0d484c8100d775f18f00512edb970b10bb2f2e3377b9b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T08:17:35Z","title_canon_sha256":"9ebe450ce073ac52e11ff1d730c8a4f45e18b5f0fa196a0fc8343722656fb380"},"schema_version":"1.0","source":{"id":"2605.25563","kind":"arxiv","version":1}},"canonical_sha256":"a76c72470ffc5b33d3bb68da7e42fdd386a2321028dcfa709d9477005f8a416f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a76c72470ffc5b33d3bb68da7e42fdd386a2321028dcfa709d9477005f8a416f","first_computed_at":"2026-05-26T02:04:43.204641Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:04:43.204641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a+O62rXChheD4J7jQSu9DkoBe8A/K4dLkC3HkR9XcW2TUnAG0EdjiwO059+pCY6X6BF/sYQwoYgx5rYoO71cAA==","signature_status":"signed_v1","signed_at":"2026-05-26T02:04:43.205528Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.25563","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:556e977370a141d471e47477b8824c4b2f9affec53ccc35ad17227605d4f7298","sha256:347b8c07e27e652e7cff12c258bb4ffc590af606045fbc646e49ffd4a6607488"],"state_sha256":"c946f67da79a6a4bb24d26f07118370e1a1b06679619103b4f77ccdcf61be85e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qFf/lKSs0ncCMVzhwMuHtnkdDOt13J5kzfnVmQAe2xnH1Ejy22luN0XPFHtI/RStv7xpMszhFvnZqxCrYnS9CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:44:32.844279Z","bundle_sha256":"f5cba1a694dbc62c90ba0c1e9380e6abde9d31f0cf84675eaac3cdd605d15c97"}}