{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:W4AGECZ5SIZQC7WW2MMPJ4GPKP","short_pith_number":"pith:W4AGECZ5","canonical_record":{"source":{"id":"2411.16891","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-11-25T19:54:00Z","cross_cats_sorted":[],"title_canon_sha256":"94634d911c2784bb57c6d7d960134704664ae80d3d1c7b4c17dda6b637d47bc4","abstract_canon_sha256":"018df041b8b6addb5c2a489fe5d0d694c061884d7c20f993357ce4d28f733924"},"schema_version":"1.0"},"canonical_sha256":"b700620b3d9233017ed6d318f4f0cf53ef0a2bb3e2b0f7bd713a2137d77dc8a0","source":{"kind":"arxiv","id":"2411.16891","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.16891","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"arxiv_version","alias_value":"2411.16891v1","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.16891","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"pith_short_12","alias_value":"W4AGECZ5SIZQ","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"pith_short_16","alias_value":"W4AGECZ5SIZQC7WW","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"pith_short_8","alias_value":"W4AGECZ5","created_at":"2026-07-05T09:40:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:W4AGECZ5SIZQC7WW2MMPJ4GPKP","target":"record","payload":{"canonical_record":{"source":{"id":"2411.16891","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-11-25T19:54:00Z","cross_cats_sorted":[],"title_canon_sha256":"94634d911c2784bb57c6d7d960134704664ae80d3d1c7b4c17dda6b637d47bc4","abstract_canon_sha256":"018df041b8b6addb5c2a489fe5d0d694c061884d7c20f993357ce4d28f733924"},"schema_version":"1.0"},"canonical_sha256":"b700620b3d9233017ed6d318f4f0cf53ef0a2bb3e2b0f7bd713a2137d77dc8a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:40:24.353156Z","signature_b64":"eTH/otF/23gcMRcsFrVb/coWwI2i1CXdSjbSNT2Ccbky+cOjQKfb33ljwPemwJbZHsbm4d+6H6ODfzodOhtZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b700620b3d9233017ed6d318f4f0cf53ef0a2bb3e2b0f7bd713a2137d77dc8a0","last_reissued_at":"2026-07-05T09:40:24.352723Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:40:24.352723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.16891","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":"2026-07-05T09:40:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k1wcnjpcoLqCfRGuDB+FIg49sdK6OkrSZ2nmKfRHzzh7RrYCWX9DKBDF7bPkcX0kVWU+rdJZ2Fl3BdQNjEm1Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:30:14.824646Z"},"content_sha256":"9e8ee8a258449fb852d0c059e00ebedb17fb12d5c11f3cad38bb1e11a4a70213","schema_version":"1.0","event_id":"sha256:9e8ee8a258449fb852d0c059e00ebedb17fb12d5c11f3cad38bb1e11a4a70213"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:W4AGECZ5SIZQC7WW2MMPJ4GPKP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predicting center of mass position in non-cyclic activities: The influence of acceleration, prediction horizon, and ground reaction forces","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.RO","authors_text":"Edgar Bol\\'ivar-Nieto, Mohsen Alizadeh Noghani","submitted_at":"2024-11-25T19:54:00Z","abstract_excerpt":"The whole-body center of mass (CoM) plays an important role in quantifying human movement. Prediction of future CoM trajectory, modeled as a point mass under influence of external forces, can be a surrogate for inferring intent. Given the current CoM position and velocity, predicting the future CoM position by forward integration requires a forecast of CoM accelerations during the prediction horizon. However, it is unclear how assumptions about the acceleration, prediction horizon length, and information from ground reaction forces (GRFs), which provide the instantaneous acceleration, affect t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.16891","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/2411.16891/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":"2026-07-05T09:40:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SJ34WJ/bx7uBRaybAysucS1ZPuTg3HMjcUmxSR7h+L5jDofqdSfykraEUU91fC/WIw8jUy8iMO1aPv7RIF+7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:30:14.825153Z"},"content_sha256":"cab1154efdc970d73c6a57e0e75de931588491522bb8ac8df46b19f87b204a21","schema_version":"1.0","event_id":"sha256:cab1154efdc970d73c6a57e0e75de931588491522bb8ac8df46b19f87b204a21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W4AGECZ5SIZQC7WW2MMPJ4GPKP/bundle.json","state_url":"https://pith.science/pith/W4AGECZ5SIZQC7WW2MMPJ4GPKP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W4AGECZ5SIZQC7WW2MMPJ4GPKP/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":"2026-08-12T23:30:14Z","links":{"resolver":"https://pith.science/pith/W4AGECZ5SIZQC7WW2MMPJ4GPKP","bundle":"https://pith.science/pith/W4AGECZ5SIZQC7WW2MMPJ4GPKP/bundle.json","state":"https://pith.science/pith/W4AGECZ5SIZQC7WW2MMPJ4GPKP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W4AGECZ5SIZQC7WW2MMPJ4GPKP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:W4AGECZ5SIZQC7WW2MMPJ4GPKP","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":"018df041b8b6addb5c2a489fe5d0d694c061884d7c20f993357ce4d28f733924","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-11-25T19:54:00Z","title_canon_sha256":"94634d911c2784bb57c6d7d960134704664ae80d3d1c7b4c17dda6b637d47bc4"},"schema_version":"1.0","source":{"id":"2411.16891","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.16891","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"arxiv_version","alias_value":"2411.16891v1","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.16891","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"pith_short_12","alias_value":"W4AGECZ5SIZQ","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"pith_short_16","alias_value":"W4AGECZ5SIZQC7WW","created_at":"2026-07-05T09:40:24Z"},{"alias_kind":"pith_short_8","alias_value":"W4AGECZ5","created_at":"2026-07-05T09:40:24Z"}],"graph_snapshots":[{"event_id":"sha256:cab1154efdc970d73c6a57e0e75de931588491522bb8ac8df46b19f87b204a21","target":"graph","created_at":"2026-07-05T09:40:24Z","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/2411.16891/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The whole-body center of mass (CoM) plays an important role in quantifying human movement. Prediction of future CoM trajectory, modeled as a point mass under influence of external forces, can be a surrogate for inferring intent. Given the current CoM position and velocity, predicting the future CoM position by forward integration requires a forecast of CoM accelerations during the prediction horizon. However, it is unclear how assumptions about the acceleration, prediction horizon length, and information from ground reaction forces (GRFs), which provide the instantaneous acceleration, affect t","authors_text":"Edgar Bol\\'ivar-Nieto, Mohsen Alizadeh Noghani","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-11-25T19:54:00Z","title":"Predicting center of mass position in non-cyclic activities: The influence of acceleration, prediction horizon, and ground reaction forces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.16891","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":"sha256:9e8ee8a258449fb852d0c059e00ebedb17fb12d5c11f3cad38bb1e11a4a70213","target":"record","created_at":"2026-07-05T09:40:24Z","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":"018df041b8b6addb5c2a489fe5d0d694c061884d7c20f993357ce4d28f733924","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-11-25T19:54:00Z","title_canon_sha256":"94634d911c2784bb57c6d7d960134704664ae80d3d1c7b4c17dda6b637d47bc4"},"schema_version":"1.0","source":{"id":"2411.16891","kind":"arxiv","version":1}},"canonical_sha256":"b700620b3d9233017ed6d318f4f0cf53ef0a2bb3e2b0f7bd713a2137d77dc8a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b700620b3d9233017ed6d318f4f0cf53ef0a2bb3e2b0f7bd713a2137d77dc8a0","first_computed_at":"2026-07-05T09:40:24.352723Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:40:24.352723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eTH/otF/23gcMRcsFrVb/coWwI2i1CXdSjbSNT2Ccbky+cOjQKfb33ljwPemwJbZHsbm4d+6H6ODfzodOhtZCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:40:24.353156Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.16891","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e8ee8a258449fb852d0c059e00ebedb17fb12d5c11f3cad38bb1e11a4a70213","sha256:cab1154efdc970d73c6a57e0e75de931588491522bb8ac8df46b19f87b204a21"],"state_sha256":"fab7cd6e865a01c386cd5d07b3aff20c10bb6ec611a31d81dc222533ffaaf1d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W8KxyngNMdzi3JoMyei5WfRSdD9myvKTsUFxs1Q3N3Fs3ctgcjbNuOJIXFsXBOojkOVjjr1a+s2UF+xYsxVwAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T23:30:14.829816Z","bundle_sha256":"229e5d8321d9436056842956904ba564aca887c5afa4202722c8ba65653e3db5"}}