{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:LTSAFLZGEYMZZZYZFPS3WSYZVS","short_pith_number":"pith:LTSAFLZG","canonical_record":{"source":{"id":"2308.10705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-18T16:41:57Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"926fccc0754ffcf7c4a6188a74c36bb440c4ca5eba2bd29dd72065141ce96e65","abstract_canon_sha256":"872a63f124e9f96fee6800d07e05d0750a656a3321e700f2608888ab15c64727"},"schema_version":"1.0"},"canonical_sha256":"5ce402af2626199ce7192be5bb4b19ac856247467c0a6be88244bc4fd8b33348","source":{"kind":"arxiv","id":"2308.10705","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.10705","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"arxiv_version","alias_value":"2308.10705v1","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.10705","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"pith_short_12","alias_value":"LTSAFLZGEYMZ","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"pith_short_16","alias_value":"LTSAFLZGEYMZZZYZ","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"pith_short_8","alias_value":"LTSAFLZG","created_at":"2026-07-05T06:43:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:LTSAFLZGEYMZZZYZFPS3WSYZVS","target":"record","payload":{"canonical_record":{"source":{"id":"2308.10705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-18T16:41:57Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"926fccc0754ffcf7c4a6188a74c36bb440c4ca5eba2bd29dd72065141ce96e65","abstract_canon_sha256":"872a63f124e9f96fee6800d07e05d0750a656a3321e700f2608888ab15c64727"},"schema_version":"1.0"},"canonical_sha256":"5ce402af2626199ce7192be5bb4b19ac856247467c0a6be88244bc4fd8b33348","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:43:12.909460Z","signature_b64":"lQucwjRphqHg5UDwa+4RaSMUD5jM2ssFCW2mcrxFF+z8nR0DR4buLx79VBOBgx8MhjRyHWmixnPT4HezFGGPAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ce402af2626199ce7192be5bb4b19ac856247467c0a6be88244bc4fd8b33348","last_reissued_at":"2026-07-05T06:43:12.908960Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:43:12.908960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.10705","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":"2026-07-05T06:43:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OQ4qU5aH+rI4p9RvTsTR0ohaN6ihauYm7i1VybfoQEGnotjutiwTL5W3axapK74t6CAYjxFgjHENtAbPY4YKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:07:44.669426Z"},"content_sha256":"5ef00caf45ce3a0b6ca9e07343a8256a8f60e704e4c4cbd7870e3c82bafcc11a","schema_version":"1.0","event_id":"sha256:5ef00caf45ce3a0b6ca9e07343a8256a8f60e704e4c4cbd7870e3c82bafcc11a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:LTSAFLZGEYMZZZYZFPS3WSYZVS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unsupervised 3D Pose Estimation with Non-Rigid Structure-from-Motion Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Haorui Ji, Hongdong Li, Hui Deng, Yuchao Dai","submitted_at":"2023-08-18T16:41:57Z","abstract_excerpt":"Most of the previous 3D human pose estimation work relied on the powerful memory capability of the network to obtain suitable 2D-3D mappings from the training data. Few works have studied the modeling of human posture deformation in motion. In this paper, we propose a new modeling method for human pose deformations and design an accompanying diffusion-based motion prior. Inspired by the field of non-rigid structure-from-motion, we divide the task of reconstructing 3D human skeletons in motion into the estimation of a 3D reference skeleton, and a frame-by-frame skeleton deformation. A mixed spa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.10705","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/2308.10705/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":"2026-07-05T06:43:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iKBejslQBcTtm62vaJBKNXRlHp6KvTY4zBUa+h/ZDAADN2YlNgNPQ9GNh0etCBsvXC39TDQiP86t8qBrJlllCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:07:44.669813Z"},"content_sha256":"df592aa93dec189461f05b5361494f04bbad2518b4d66a0893e79f3755e7d946","schema_version":"1.0","event_id":"sha256:df592aa93dec189461f05b5361494f04bbad2518b4d66a0893e79f3755e7d946"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LTSAFLZGEYMZZZYZFPS3WSYZVS/bundle.json","state_url":"https://pith.science/pith/LTSAFLZGEYMZZZYZFPS3WSYZVS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LTSAFLZGEYMZZZYZFPS3WSYZVS/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":"2026-07-07T09:07:44Z","links":{"resolver":"https://pith.science/pith/LTSAFLZGEYMZZZYZFPS3WSYZVS","bundle":"https://pith.science/pith/LTSAFLZGEYMZZZYZFPS3WSYZVS/bundle.json","state":"https://pith.science/pith/LTSAFLZGEYMZZZYZFPS3WSYZVS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LTSAFLZGEYMZZZYZFPS3WSYZVS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:LTSAFLZGEYMZZZYZFPS3WSYZVS","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":"872a63f124e9f96fee6800d07e05d0750a656a3321e700f2608888ab15c64727","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-18T16:41:57Z","title_canon_sha256":"926fccc0754ffcf7c4a6188a74c36bb440c4ca5eba2bd29dd72065141ce96e65"},"schema_version":"1.0","source":{"id":"2308.10705","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.10705","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"arxiv_version","alias_value":"2308.10705v1","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.10705","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"pith_short_12","alias_value":"LTSAFLZGEYMZ","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"pith_short_16","alias_value":"LTSAFLZGEYMZZZYZ","created_at":"2026-07-05T06:43:12Z"},{"alias_kind":"pith_short_8","alias_value":"LTSAFLZG","created_at":"2026-07-05T06:43:12Z"}],"graph_snapshots":[{"event_id":"sha256:df592aa93dec189461f05b5361494f04bbad2518b4d66a0893e79f3755e7d946","target":"graph","created_at":"2026-07-05T06:43:12Z","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/2308.10705/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Most of the previous 3D human pose estimation work relied on the powerful memory capability of the network to obtain suitable 2D-3D mappings from the training data. Few works have studied the modeling of human posture deformation in motion. In this paper, we propose a new modeling method for human pose deformations and design an accompanying diffusion-based motion prior. Inspired by the field of non-rigid structure-from-motion, we divide the task of reconstructing 3D human skeletons in motion into the estimation of a 3D reference skeleton, and a frame-by-frame skeleton deformation. A mixed spa","authors_text":"Haorui Ji, Hongdong Li, Hui Deng, Yuchao Dai","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-18T16:41:57Z","title":"Unsupervised 3D Pose Estimation with Non-Rigid Structure-from-Motion Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.10705","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":"sha256:5ef00caf45ce3a0b6ca9e07343a8256a8f60e704e4c4cbd7870e3c82bafcc11a","target":"record","created_at":"2026-07-05T06:43:12Z","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":"872a63f124e9f96fee6800d07e05d0750a656a3321e700f2608888ab15c64727","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-08-18T16:41:57Z","title_canon_sha256":"926fccc0754ffcf7c4a6188a74c36bb440c4ca5eba2bd29dd72065141ce96e65"},"schema_version":"1.0","source":{"id":"2308.10705","kind":"arxiv","version":1}},"canonical_sha256":"5ce402af2626199ce7192be5bb4b19ac856247467c0a6be88244bc4fd8b33348","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ce402af2626199ce7192be5bb4b19ac856247467c0a6be88244bc4fd8b33348","first_computed_at":"2026-07-05T06:43:12.908960Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:43:12.908960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lQucwjRphqHg5UDwa+4RaSMUD5jM2ssFCW2mcrxFF+z8nR0DR4buLx79VBOBgx8MhjRyHWmixnPT4HezFGGPAg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:43:12.909460Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.10705","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ef00caf45ce3a0b6ca9e07343a8256a8f60e704e4c4cbd7870e3c82bafcc11a","sha256:df592aa93dec189461f05b5361494f04bbad2518b4d66a0893e79f3755e7d946"],"state_sha256":"98b0189907b7eba5a0ddd69e916cb46aec9e22e4e0729d1ac247d728d6f58599"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6rSprIxWhlqG37f+8MtNY632K59N5h6ovIpPLW9l8yR9buv8TmvBNlzWveVisXXPQq4noovaphuv4ARoGZ4oBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:07:44.671743Z","bundle_sha256":"700adbbaa947e630cfa8e20236780a4f3823b191abdd64d0cadff81e52571413"}}