{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:BBGB4GJSJT3UHHBXNXCT5L77EZ","short_pith_number":"pith:BBGB4GJS","canonical_record":{"source":{"id":"1701.00142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-12-31T16:49:39Z","cross_cats_sorted":[],"title_canon_sha256":"f32ed6b2982d4884c2c009827e3aa190627d15278a7ed3695cb0d2c924316b4a","abstract_canon_sha256":"d1ed79e86eb1f84dba0c5ea4baccd26e897220435361f84b6b1ede5ee4952d11"},"schema_version":"1.0"},"canonical_sha256":"084c1e19324cf7439c376dc53eafff264abeb95732448bc97de2d606fd3fa4a6","source":{"kind":"arxiv","id":"1701.00142","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.00142","created_at":"2026-05-18T00:53:36Z"},{"alias_kind":"arxiv_version","alias_value":"1701.00142v1","created_at":"2026-05-18T00:53:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00142","created_at":"2026-05-18T00:53:36Z"},{"alias_kind":"pith_short_12","alias_value":"BBGB4GJSJT3U","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"BBGB4GJSJT3UHHBX","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"BBGB4GJS","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:BBGB4GJSJT3UHHBXNXCT5L77EZ","target":"record","payload":{"canonical_record":{"source":{"id":"1701.00142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-12-31T16:49:39Z","cross_cats_sorted":[],"title_canon_sha256":"f32ed6b2982d4884c2c009827e3aa190627d15278a7ed3695cb0d2c924316b4a","abstract_canon_sha256":"d1ed79e86eb1f84dba0c5ea4baccd26e897220435361f84b6b1ede5ee4952d11"},"schema_version":"1.0"},"canonical_sha256":"084c1e19324cf7439c376dc53eafff264abeb95732448bc97de2d606fd3fa4a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:36.267343Z","signature_b64":"JyZDRGYYqxkjRtFCgmmDTb+mPnQOuYCHICgfRQlsESHh8gLyA89FwrxmGWGFKS98HcBmS5jeim40pvMBAbvlDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"084c1e19324cf7439c376dc53eafff264abeb95732448bc97de2d606fd3fa4a6","last_reissued_at":"2026-05-18T00:53:36.266943Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:36.266943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.00142","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":"2026-05-18T00:53:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OFsIuMS1Nki+J9dkgTLM4UZXR+554maKVUmzUnwYYUBEh7CagmsmWtlWhAW89VkW9gtIJFZfMKRiLLEM9M0OAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:38:35.732159Z"},"content_sha256":"240714e041411a9854b906aea5d57454ebab3e04ce0f2dd11e83de98c5646efd","schema_version":"1.0","event_id":"sha256:240714e041411a9854b906aea5d57454ebab3e04ce0f2dd11e83de98c5646efd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:BBGB4GJSJT3UHHBXNXCT5L77EZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"EgoCap: Egocentric Marker-less Motion Capture with Two Fisheye Cameras (Extended Abstract)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bernt Schiele, Christian Richardt, Christian Theobalt, Dan Casas, Eldar Insafutdinov, Hans-Peter Seidel, Helge Rhodin, Mohammad Shafiei","submitted_at":"2016-12-31T16:49:39Z","abstract_excerpt":"Marker-based and marker-less optical skeletal motion-capture methods use an outside-in arrangement of cameras placed around a scene, with viewpoints converging on the center. They often create discomfort by possibly needed marker suits, and their recording volume is severely restricted and often constrained to indoor scenes with controlled backgrounds. We therefore propose a new method for real-time, marker-less and egocentric motion capture which estimates the full-body skeleton pose from a lightweight stereo pair of fisheye cameras that are attached to a helmet or virtual-reality headset. It"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00142","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":"2026-05-18T00:53:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fZEvCjo2KR4j4bSkuRdhNgk/jucmFyYNYbYBRwynDxycfoR6f8RgDWUG6D/C9ev8OPFatQz9ZeBvitBRUJJKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:38:35.732882Z"},"content_sha256":"8178fafd4745bef2ce209fa5b9f65b615d883cfa600df4968158285cd884601a","schema_version":"1.0","event_id":"sha256:8178fafd4745bef2ce209fa5b9f65b615d883cfa600df4968158285cd884601a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BBGB4GJSJT3UHHBXNXCT5L77EZ/bundle.json","state_url":"https://pith.science/pith/BBGB4GJSJT3UHHBXNXCT5L77EZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BBGB4GJSJT3UHHBXNXCT5L77EZ/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":"2026-05-26T10:38:35Z","links":{"resolver":"https://pith.science/pith/BBGB4GJSJT3UHHBXNXCT5L77EZ","bundle":"https://pith.science/pith/BBGB4GJSJT3UHHBXNXCT5L77EZ/bundle.json","state":"https://pith.science/pith/BBGB4GJSJT3UHHBXNXCT5L77EZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BBGB4GJSJT3UHHBXNXCT5L77EZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:BBGB4GJSJT3UHHBXNXCT5L77EZ","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":"d1ed79e86eb1f84dba0c5ea4baccd26e897220435361f84b6b1ede5ee4952d11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-12-31T16:49:39Z","title_canon_sha256":"f32ed6b2982d4884c2c009827e3aa190627d15278a7ed3695cb0d2c924316b4a"},"schema_version":"1.0","source":{"id":"1701.00142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.00142","created_at":"2026-05-18T00:53:36Z"},{"alias_kind":"arxiv_version","alias_value":"1701.00142v1","created_at":"2026-05-18T00:53:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00142","created_at":"2026-05-18T00:53:36Z"},{"alias_kind":"pith_short_12","alias_value":"BBGB4GJSJT3U","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"BBGB4GJSJT3UHHBX","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"BBGB4GJS","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:8178fafd4745bef2ce209fa5b9f65b615d883cfa600df4968158285cd884601a","target":"graph","created_at":"2026-05-18T00:53:36Z","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":"Marker-based and marker-less optical skeletal motion-capture methods use an outside-in arrangement of cameras placed around a scene, with viewpoints converging on the center. They often create discomfort by possibly needed marker suits, and their recording volume is severely restricted and often constrained to indoor scenes with controlled backgrounds. We therefore propose a new method for real-time, marker-less and egocentric motion capture which estimates the full-body skeleton pose from a lightweight stereo pair of fisheye cameras that are attached to a helmet or virtual-reality headset. It","authors_text":"Bernt Schiele, Christian Richardt, Christian Theobalt, Dan Casas, Eldar Insafutdinov, Hans-Peter Seidel, Helge Rhodin, Mohammad Shafiei","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-12-31T16:49:39Z","title":"EgoCap: Egocentric Marker-less Motion Capture with Two Fisheye Cameras (Extended Abstract)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00142","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":"sha256:240714e041411a9854b906aea5d57454ebab3e04ce0f2dd11e83de98c5646efd","target":"record","created_at":"2026-05-18T00:53:36Z","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":"d1ed79e86eb1f84dba0c5ea4baccd26e897220435361f84b6b1ede5ee4952d11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-12-31T16:49:39Z","title_canon_sha256":"f32ed6b2982d4884c2c009827e3aa190627d15278a7ed3695cb0d2c924316b4a"},"schema_version":"1.0","source":{"id":"1701.00142","kind":"arxiv","version":1}},"canonical_sha256":"084c1e19324cf7439c376dc53eafff264abeb95732448bc97de2d606fd3fa4a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"084c1e19324cf7439c376dc53eafff264abeb95732448bc97de2d606fd3fa4a6","first_computed_at":"2026-05-18T00:53:36.266943Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:36.266943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JyZDRGYYqxkjRtFCgmmDTb+mPnQOuYCHICgfRQlsESHh8gLyA89FwrxmGWGFKS98HcBmS5jeim40pvMBAbvlDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:36.267343Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.00142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:240714e041411a9854b906aea5d57454ebab3e04ce0f2dd11e83de98c5646efd","sha256:8178fafd4745bef2ce209fa5b9f65b615d883cfa600df4968158285cd884601a"],"state_sha256":"3568527ab084458d3823dca03174cf2bb4f3c4faeb699eb95ef59e3782327e63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vgUq0yIyu0/miTANtx07Ud99Kx/bAdPjTOezuoxk9SW8v1tObNjUMFrH9QuQJydaQyeHRDU8SeuoSoKvcfoQCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T10:38:35.736113Z","bundle_sha256":"14e06005b3b90185501f046c379e0a761307425b5b584288d4cf497c468f1b53"}}