{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4MVRVTHZ4PEQORTKCFKEVJJVYN","short_pith_number":"pith:4MVRVTHZ","canonical_record":{"source":{"id":"1310.1240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2013-10-04T12:27:46Z","cross_cats_sorted":[],"title_canon_sha256":"9c720a134e3c8c8ff8605238c0ce9466c7d337e9327296ec9e067a4d584e378b","abstract_canon_sha256":"ddf028fcbafe23f262cf112d044e90b4f68893f53b48b8b9c5906c33fb162dde"},"schema_version":"1.0"},"canonical_sha256":"e32b1accf9e3c907466a11544aa535c3451247d67428a449bdc5232105f6af61","source":{"kind":"arxiv","id":"1310.1240","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.1240","created_at":"2026-05-18T03:11:23Z"},{"alias_kind":"arxiv_version","alias_value":"1310.1240v1","created_at":"2026-05-18T03:11:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.1240","created_at":"2026-05-18T03:11:23Z"},{"alias_kind":"pith_short_12","alias_value":"4MVRVTHZ4PEQ","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4MVRVTHZ4PEQORTK","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4MVRVTHZ","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4MVRVTHZ4PEQORTKCFKEVJJVYN","target":"record","payload":{"canonical_record":{"source":{"id":"1310.1240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2013-10-04T12:27:46Z","cross_cats_sorted":[],"title_canon_sha256":"9c720a134e3c8c8ff8605238c0ce9466c7d337e9327296ec9e067a4d584e378b","abstract_canon_sha256":"ddf028fcbafe23f262cf112d044e90b4f68893f53b48b8b9c5906c33fb162dde"},"schema_version":"1.0"},"canonical_sha256":"e32b1accf9e3c907466a11544aa535c3451247d67428a449bdc5232105f6af61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:11:23.132780Z","signature_b64":"yPFFzxjSvisbOFx5zr+Fkf+lxpEUAIKO3IfB/gfHewyfWPwPewLuVj7JZpCbbRlOvHJiXyxs/VFhK8yNLF9xAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e32b1accf9e3c907466a11544aa535c3451247d67428a449bdc5232105f6af61","last_reissued_at":"2026-05-18T03:11:23.131888Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:11:23.131888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.1240","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":"2026-05-18T03:11:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SgiP2flnUBpx1URtNgAuMx5xb2r5Z8RgahLot+WRks5Kmb+16Lb4krXhZ95FZl3Dll3vr3rHPiPiueYk7XskAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T10:34:15.570072Z"},"content_sha256":"a8baaef82189a4a5d632e3f886458e9609ea68843a314bfc7059d8c57a071172","schema_version":"1.0","event_id":"sha256:a8baaef82189a4a5d632e3f886458e9609ea68843a314bfc7059d8c57a071172"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4MVRVTHZ4PEQORTKCFKEVJJVYN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Compression of animated 3D models using HO-SVD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.GR","authors_text":"Micha{\\l} Romaszewski, Piotr Gawron, Sebastian Opozda","submitted_at":"2013-10-04T12:27:46Z","abstract_excerpt":"This work presents an analysis of Higher Order Singular Value Decomposition (HO-SVD) applied to lossy compression of 3D mesh animations. We describe strategies for choosing a number of preserved spatial and temporal components after tensor decomposition. Compression error is measured using three metrics (MSE, Hausdorff, MSDM). Results are compared with a method based on Principal Component Analysis (PCA) and presented on a set of animations with typical mesh deformations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.1240","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":""},"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":"2026-05-18T03:11:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U/SGmTvPXi3Gw9yntCtNfLM+9kul7KlaIfEhvrxJ5Wd0ylcO9VOvP5CVoAyVu5j2eZhQ2qSPs4k1yH8mPxVJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T10:34:15.570426Z"},"content_sha256":"58259ec94cef6065e9de0eaa5124593ef146aed9d7dd51bce75c5388909db14c","schema_version":"1.0","event_id":"sha256:58259ec94cef6065e9de0eaa5124593ef146aed9d7dd51bce75c5388909db14c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4MVRVTHZ4PEQORTKCFKEVJJVYN/bundle.json","state_url":"https://pith.science/pith/4MVRVTHZ4PEQORTKCFKEVJJVYN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4MVRVTHZ4PEQORTKCFKEVJJVYN/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":"2026-07-02T10:34:15Z","links":{"resolver":"https://pith.science/pith/4MVRVTHZ4PEQORTKCFKEVJJVYN","bundle":"https://pith.science/pith/4MVRVTHZ4PEQORTKCFKEVJJVYN/bundle.json","state":"https://pith.science/pith/4MVRVTHZ4PEQORTKCFKEVJJVYN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4MVRVTHZ4PEQORTKCFKEVJJVYN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4MVRVTHZ4PEQORTKCFKEVJJVYN","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":"ddf028fcbafe23f262cf112d044e90b4f68893f53b48b8b9c5906c33fb162dde","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2013-10-04T12:27:46Z","title_canon_sha256":"9c720a134e3c8c8ff8605238c0ce9466c7d337e9327296ec9e067a4d584e378b"},"schema_version":"1.0","source":{"id":"1310.1240","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.1240","created_at":"2026-05-18T03:11:23Z"},{"alias_kind":"arxiv_version","alias_value":"1310.1240v1","created_at":"2026-05-18T03:11:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.1240","created_at":"2026-05-18T03:11:23Z"},{"alias_kind":"pith_short_12","alias_value":"4MVRVTHZ4PEQ","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4MVRVTHZ4PEQORTK","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4MVRVTHZ","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:58259ec94cef6065e9de0eaa5124593ef146aed9d7dd51bce75c5388909db14c","target":"graph","created_at":"2026-05-18T03:11:23Z","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"},"paper":{"abstract_excerpt":"This work presents an analysis of Higher Order Singular Value Decomposition (HO-SVD) applied to lossy compression of 3D mesh animations. We describe strategies for choosing a number of preserved spatial and temporal components after tensor decomposition. Compression error is measured using three metrics (MSE, Hausdorff, MSDM). Results are compared with a method based on Principal Component Analysis (PCA) and presented on a set of animations with typical mesh deformations.","authors_text":"Micha{\\l} Romaszewski, Piotr Gawron, Sebastian Opozda","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2013-10-04T12:27:46Z","title":"Compression of animated 3D models using HO-SVD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.1240","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:a8baaef82189a4a5d632e3f886458e9609ea68843a314bfc7059d8c57a071172","target":"record","created_at":"2026-05-18T03:11:23Z","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":"ddf028fcbafe23f262cf112d044e90b4f68893f53b48b8b9c5906c33fb162dde","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2013-10-04T12:27:46Z","title_canon_sha256":"9c720a134e3c8c8ff8605238c0ce9466c7d337e9327296ec9e067a4d584e378b"},"schema_version":"1.0","source":{"id":"1310.1240","kind":"arxiv","version":1}},"canonical_sha256":"e32b1accf9e3c907466a11544aa535c3451247d67428a449bdc5232105f6af61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e32b1accf9e3c907466a11544aa535c3451247d67428a449bdc5232105f6af61","first_computed_at":"2026-05-18T03:11:23.131888Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:11:23.131888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yPFFzxjSvisbOFx5zr+Fkf+lxpEUAIKO3IfB/gfHewyfWPwPewLuVj7JZpCbbRlOvHJiXyxs/VFhK8yNLF9xAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:11:23.132780Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.1240","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8baaef82189a4a5d632e3f886458e9609ea68843a314bfc7059d8c57a071172","sha256:58259ec94cef6065e9de0eaa5124593ef146aed9d7dd51bce75c5388909db14c"],"state_sha256":"71156fbd5357077fc306269d33f441a34d1552350c47c1797bc5d1187af4ee1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OAsxYAGI75xeFU2Bdk866rIpN4jVbOTjgue+aVp8Ck/fwre8w/2lk70EB2+ucPm4+UySEc3uKDGn9PlIeLwnCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T10:34:15.572303Z","bundle_sha256":"83dc12cd0d911956fd59bbaf21065395fd6b0cc37a47c9eaec977160a6f2d6f8"}}