{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:5KAUT6MMXCDH5Z42ZQ6FZ5MML4","short_pith_number":"pith:5KAUT6MM","canonical_record":{"source":{"id":"2308.10574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-21T09:14:18Z","cross_cats_sorted":[],"title_canon_sha256":"0550f016a7fa10ac3b59f983b6c09cd5277a63a15d08dd03310f04a8bce220e7","abstract_canon_sha256":"3debe51b80b5f3c84e3099533577b78765f1ef967782e6f4b797e24de71417e0"},"schema_version":"1.0"},"canonical_sha256":"ea8149f98cb8867ee79acc3c5cf58c5f1e27acb5f6a16fd1972a16804f2fc61b","source":{"kind":"arxiv","id":"2308.10574","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.10574","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"arxiv_version","alias_value":"2308.10574v1","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.10574","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"pith_short_12","alias_value":"5KAUT6MMXCDH","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"pith_short_16","alias_value":"5KAUT6MMXCDH5Z42","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"pith_short_8","alias_value":"5KAUT6MM","created_at":"2026-07-05T06:43:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:5KAUT6MMXCDH5Z42ZQ6FZ5MML4","target":"record","payload":{"canonical_record":{"source":{"id":"2308.10574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-21T09:14:18Z","cross_cats_sorted":[],"title_canon_sha256":"0550f016a7fa10ac3b59f983b6c09cd5277a63a15d08dd03310f04a8bce220e7","abstract_canon_sha256":"3debe51b80b5f3c84e3099533577b78765f1ef967782e6f4b797e24de71417e0"},"schema_version":"1.0"},"canonical_sha256":"ea8149f98cb8867ee79acc3c5cf58c5f1e27acb5f6a16fd1972a16804f2fc61b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:43:11.294687Z","signature_b64":"FwiZUOgdDkP9YasFaI++hYLsCOpOvPCGQgm8OVVpEz5S4fHuvE9SZC3hyIRpXBaHXsi7BwN3z69UatedjPJuDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea8149f98cb8867ee79acc3c5cf58c5f1e27acb5f6a16fd1972a16804f2fc61b","last_reissued_at":"2026-07-05T06:43:11.294285Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:43:11.294285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.10574","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":"2026-07-05T06:43:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GgJD1rk/cEJeHW/37y3iMdtKwimZKKQNDsGkN6WzWA0HBp7cLZONvrYPZGFXmfa8mSbE+HVhtipB4I4WMJvCCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:00:20.396180Z"},"content_sha256":"b145b4878fc4e6015c01aee6ddc237d2f1e3386a417218bf82a4d96a741b46b6","schema_version":"1.0","event_id":"sha256:b145b4878fc4e6015c01aee6ddc237d2f1e3386a417218bf82a4d96a741b46b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:5KAUT6MMXCDH5Z42ZQ6FZ5MML4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CHORD: Category-level Hand-held Object Reconstruction via Shape Deformation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Cewu Lu, Haoyu Zhen, Jian Xu, Kailin Li, Kejian Wu, Licheng Zhong, Lixin Yang, Xinyu Zhan, Zenan Lin","submitted_at":"2023-08-21T09:14:18Z","abstract_excerpt":"In daily life, humans utilize hands to manipulate objects. Modeling the shape of objects that are manipulated by the hand is essential for AI to comprehend daily tasks and to learn manipulation skills. However, previous approaches have encountered difficulties in reconstructing the precise shapes of hand-held objects, primarily owing to a deficiency in prior shape knowledge and inadequate data for training. As illustrated, given a particular type of tool, such as a mug, despite its infinite variations in shape and appearance, humans have a limited number of 'effective' modes and poses for its "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.10574","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/2308.10574/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":"2026-07-05T06:43:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UeoWoY9og7IC5lPAjg7DLhTeaVdWyJqkpXLTUeLPYGbGLYN8CScWlUkuvhVWbAJjEIoPfelymeVeP2h7fDzcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:00:20.396564Z"},"content_sha256":"06ec46f3e7b90ed6d1b431f1a1ba7f25720b85a5e4090d1807193afa6d5384e9","schema_version":"1.0","event_id":"sha256:06ec46f3e7b90ed6d1b431f1a1ba7f25720b85a5e4090d1807193afa6d5384e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5KAUT6MMXCDH5Z42ZQ6FZ5MML4/bundle.json","state_url":"https://pith.science/pith/5KAUT6MMXCDH5Z42ZQ6FZ5MML4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5KAUT6MMXCDH5Z42ZQ6FZ5MML4/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":"2026-07-06T17:00:20Z","links":{"resolver":"https://pith.science/pith/5KAUT6MMXCDH5Z42ZQ6FZ5MML4","bundle":"https://pith.science/pith/5KAUT6MMXCDH5Z42ZQ6FZ5MML4/bundle.json","state":"https://pith.science/pith/5KAUT6MMXCDH5Z42ZQ6FZ5MML4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5KAUT6MMXCDH5Z42ZQ6FZ5MML4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:5KAUT6MMXCDH5Z42ZQ6FZ5MML4","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":"3debe51b80b5f3c84e3099533577b78765f1ef967782e6f4b797e24de71417e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-21T09:14:18Z","title_canon_sha256":"0550f016a7fa10ac3b59f983b6c09cd5277a63a15d08dd03310f04a8bce220e7"},"schema_version":"1.0","source":{"id":"2308.10574","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.10574","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"arxiv_version","alias_value":"2308.10574v1","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.10574","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"pith_short_12","alias_value":"5KAUT6MMXCDH","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"pith_short_16","alias_value":"5KAUT6MMXCDH5Z42","created_at":"2026-07-05T06:43:11Z"},{"alias_kind":"pith_short_8","alias_value":"5KAUT6MM","created_at":"2026-07-05T06:43:11Z"}],"graph_snapshots":[{"event_id":"sha256:06ec46f3e7b90ed6d1b431f1a1ba7f25720b85a5e4090d1807193afa6d5384e9","target":"graph","created_at":"2026-07-05T06:43:11Z","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/2308.10574/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In daily life, humans utilize hands to manipulate objects. Modeling the shape of objects that are manipulated by the hand is essential for AI to comprehend daily tasks and to learn manipulation skills. However, previous approaches have encountered difficulties in reconstructing the precise shapes of hand-held objects, primarily owing to a deficiency in prior shape knowledge and inadequate data for training. As illustrated, given a particular type of tool, such as a mug, despite its infinite variations in shape and appearance, humans have a limited number of 'effective' modes and poses for its ","authors_text":"Cewu Lu, Haoyu Zhen, Jian Xu, Kailin Li, Kejian Wu, Licheng Zhong, Lixin Yang, Xinyu Zhan, Zenan Lin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-21T09:14:18Z","title":"CHORD: Category-level Hand-held Object Reconstruction via Shape Deformation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.10574","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:b145b4878fc4e6015c01aee6ddc237d2f1e3386a417218bf82a4d96a741b46b6","target":"record","created_at":"2026-07-05T06:43:11Z","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":"3debe51b80b5f3c84e3099533577b78765f1ef967782e6f4b797e24de71417e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-21T09:14:18Z","title_canon_sha256":"0550f016a7fa10ac3b59f983b6c09cd5277a63a15d08dd03310f04a8bce220e7"},"schema_version":"1.0","source":{"id":"2308.10574","kind":"arxiv","version":1}},"canonical_sha256":"ea8149f98cb8867ee79acc3c5cf58c5f1e27acb5f6a16fd1972a16804f2fc61b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea8149f98cb8867ee79acc3c5cf58c5f1e27acb5f6a16fd1972a16804f2fc61b","first_computed_at":"2026-07-05T06:43:11.294285Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:43:11.294285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FwiZUOgdDkP9YasFaI++hYLsCOpOvPCGQgm8OVVpEz5S4fHuvE9SZC3hyIRpXBaHXsi7BwN3z69UatedjPJuDw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:43:11.294687Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.10574","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b145b4878fc4e6015c01aee6ddc237d2f1e3386a417218bf82a4d96a741b46b6","sha256:06ec46f3e7b90ed6d1b431f1a1ba7f25720b85a5e4090d1807193afa6d5384e9"],"state_sha256":"c438f35d5fc6c9b4b0634c39d605b0a137d150b3193a585d0dca5dc688feb0df"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SMiTm+Juri2HQtWBwMSIZyQ5JKxzwyUbd5ATi3pon1gEU5sb0noXJczu3COlFzQ1AJkh6wb8ROGVpRUpmFTUAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T17:00:20.398520Z","bundle_sha256":"6580a013497dda5e7dbf45b25badbd3b0adb03042c736579c6c7486161012402"}}