{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:NR2VBZW3CZBSOKTOXWHQ6SQ6O6","short_pith_number":"pith:NR2VBZW3","canonical_record":{"source":{"id":"2504.08449","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-11T11:18:57Z","cross_cats_sorted":[],"title_canon_sha256":"404d29d3ae3a1001d3e55da82a8d7f9e0f22ff33672f8b403642dd26aed873fd","abstract_canon_sha256":"66d3cdad4300fc008bc04a4a66657014a8c47005a6ab6f02405cb4e0a7192ebc"},"schema_version":"1.0"},"canonical_sha256":"6c7550e6db1643272a6ebd8f0f4a1e7785626b72d14b2e13e6c2cd1560ceb789","source":{"kind":"arxiv","id":"2504.08449","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.08449","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"2504.08449v1","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.08449","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"NR2VBZW3CZBS","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"pith_short_16","alias_value":"NR2VBZW3CZBSOKTO","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"pith_short_8","alias_value":"NR2VBZW3","created_at":"2026-07-05T10:47:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:NR2VBZW3CZBSOKTOXWHQ6SQ6O6","target":"record","payload":{"canonical_record":{"source":{"id":"2504.08449","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-11T11:18:57Z","cross_cats_sorted":[],"title_canon_sha256":"404d29d3ae3a1001d3e55da82a8d7f9e0f22ff33672f8b403642dd26aed873fd","abstract_canon_sha256":"66d3cdad4300fc008bc04a4a66657014a8c47005a6ab6f02405cb4e0a7192ebc"},"schema_version":"1.0"},"canonical_sha256":"6c7550e6db1643272a6ebd8f0f4a1e7785626b72d14b2e13e6c2cd1560ceb789","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:47:49.325144Z","signature_b64":"8KKAXKW9H4xPf2r7L7/7t8K1GAGzlps+IiBq/tSfMK/g3Z7gtVtlKWR1OF0i5ArFGzEm4dty/ynjp5RDnBHfCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c7550e6db1643272a6ebd8f0f4a1e7785626b72d14b2e13e6c2cd1560ceb789","last_reissued_at":"2026-07-05T10:47:49.324717Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:47:49.324717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.08449","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":"2026-07-05T10:47:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tIZVAgtIObL0XAGG2lGzUqYzC60UjR4X+bCcl7HO1UTyBL3ZYD28lJHSq3SYiT32MGP/aX/q6ztHzseHR9xQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:16:33.363164Z"},"content_sha256":"e5e9e6278adc0f375ddcc73ee7135f82ed729685a97ca23e6ce72de780e5a946","schema_version":"1.0","event_id":"sha256:e5e9e6278adc0f375ddcc73ee7135f82ed729685a97ca23e6ce72de780e5a946"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:NR2VBZW3CZBSOKTOXWHQ6SQ6O6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ego4o: Egocentric Human Motion Capture and Understanding from Multi-Modal Input","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Christian Theobalt, Diogo Luvizon, Jian Wang, Lingjie Liu, Rishabh Dabral, Thabo Beeler, Zhe Cao","submitted_at":"2025-04-11T11:18:57Z","abstract_excerpt":"This work focuses on tracking and understanding human motion using consumer wearable devices, such as VR/AR headsets, smart glasses, cellphones, and smartwatches. These devices provide diverse, multi-modal sensor inputs, including egocentric images, and 1-3 sparse IMU sensors in varied combinations. Motion descriptions can also accompany these signals. The diverse input modalities and their intermittent availability pose challenges for consistent motion capture and understanding. In this work, we present Ego4o (o for omni), a new framework for simultaneous human motion capture and understandin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.08449","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/2504.08449/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":"2026-07-05T10:47:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cW6uxSUTrwXVZeAUADTzWnLO8pjlQpE5BRlHwC0k84EQqAyxubBAIhgj5UinshMcZq+uROn1SSwG5nNg0iloBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:16:33.364108Z"},"content_sha256":"2d11793096b87a705d2031234387e62990a79a0da0b59e4554ea512737e65923","schema_version":"1.0","event_id":"sha256:2d11793096b87a705d2031234387e62990a79a0da0b59e4554ea512737e65923"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NR2VBZW3CZBSOKTOXWHQ6SQ6O6/bundle.json","state_url":"https://pith.science/pith/NR2VBZW3CZBSOKTOXWHQ6SQ6O6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NR2VBZW3CZBSOKTOXWHQ6SQ6O6/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":"2026-08-06T08:16:33Z","links":{"resolver":"https://pith.science/pith/NR2VBZW3CZBSOKTOXWHQ6SQ6O6","bundle":"https://pith.science/pith/NR2VBZW3CZBSOKTOXWHQ6SQ6O6/bundle.json","state":"https://pith.science/pith/NR2VBZW3CZBSOKTOXWHQ6SQ6O6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NR2VBZW3CZBSOKTOXWHQ6SQ6O6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:NR2VBZW3CZBSOKTOXWHQ6SQ6O6","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":"66d3cdad4300fc008bc04a4a66657014a8c47005a6ab6f02405cb4e0a7192ebc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-11T11:18:57Z","title_canon_sha256":"404d29d3ae3a1001d3e55da82a8d7f9e0f22ff33672f8b403642dd26aed873fd"},"schema_version":"1.0","source":{"id":"2504.08449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.08449","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"2504.08449v1","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.08449","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"NR2VBZW3CZBS","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"pith_short_16","alias_value":"NR2VBZW3CZBSOKTO","created_at":"2026-07-05T10:47:49Z"},{"alias_kind":"pith_short_8","alias_value":"NR2VBZW3","created_at":"2026-07-05T10:47:49Z"}],"graph_snapshots":[{"event_id":"sha256:2d11793096b87a705d2031234387e62990a79a0da0b59e4554ea512737e65923","target":"graph","created_at":"2026-07-05T10:47:49Z","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/2504.08449/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work focuses on tracking and understanding human motion using consumer wearable devices, such as VR/AR headsets, smart glasses, cellphones, and smartwatches. These devices provide diverse, multi-modal sensor inputs, including egocentric images, and 1-3 sparse IMU sensors in varied combinations. Motion descriptions can also accompany these signals. The diverse input modalities and their intermittent availability pose challenges for consistent motion capture and understanding. In this work, we present Ego4o (o for omni), a new framework for simultaneous human motion capture and understandin","authors_text":"Christian Theobalt, Diogo Luvizon, Jian Wang, Lingjie Liu, Rishabh Dabral, Thabo Beeler, Zhe Cao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-11T11:18:57Z","title":"Ego4o: Egocentric Human Motion Capture and Understanding from Multi-Modal Input"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.08449","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:e5e9e6278adc0f375ddcc73ee7135f82ed729685a97ca23e6ce72de780e5a946","target":"record","created_at":"2026-07-05T10:47:49Z","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":"66d3cdad4300fc008bc04a4a66657014a8c47005a6ab6f02405cb4e0a7192ebc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-11T11:18:57Z","title_canon_sha256":"404d29d3ae3a1001d3e55da82a8d7f9e0f22ff33672f8b403642dd26aed873fd"},"schema_version":"1.0","source":{"id":"2504.08449","kind":"arxiv","version":1}},"canonical_sha256":"6c7550e6db1643272a6ebd8f0f4a1e7785626b72d14b2e13e6c2cd1560ceb789","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c7550e6db1643272a6ebd8f0f4a1e7785626b72d14b2e13e6c2cd1560ceb789","first_computed_at":"2026-07-05T10:47:49.324717Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:47:49.324717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8KKAXKW9H4xPf2r7L7/7t8K1GAGzlps+IiBq/tSfMK/g3Z7gtVtlKWR1OF0i5ArFGzEm4dty/ynjp5RDnBHfCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:47:49.325144Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.08449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5e9e6278adc0f375ddcc73ee7135f82ed729685a97ca23e6ce72de780e5a946","sha256:2d11793096b87a705d2031234387e62990a79a0da0b59e4554ea512737e65923"],"state_sha256":"c45c5ee369be6705a4edfc8c6b8e76da49d4ae8ad9201aa228a6ab165af362fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rt7qyuo9XeWddQjUWIbCEUrZK+4YUJV1NH3zXAY6IO4nDiDoIUgVJsnfc/+RpNHwdzY2K3vEXEtQ9+nPFoMtCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T08:16:33.388582Z","bundle_sha256":"ec8db6c3eab52d567956dc4f6b62b0f8a839e5bad5140d406669c4af57790ea7"}}