{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KMHYIKWHSDZTTSKROEJSF3BGSA","short_pith_number":"pith:KMHYIKWH","canonical_record":{"source":{"id":"1605.09351","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2016-05-30T18:45:06Z","cross_cats_sorted":[],"title_canon_sha256":"da9017d483da7fcbc958a1fa692346fa99d8c2c21f772e8d41b1355d266ea529","abstract_canon_sha256":"32f3bb99d0696c064c6387c3c6271d5d67b49e77ada091cb37f3762bb9235078"},"schema_version":"1.0"},"canonical_sha256":"530f842ac790f339c951711322ec26901c073dca20d4c49bd14e10bf63b3e41f","source":{"kind":"arxiv","id":"1605.09351","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09351","created_at":"2026-05-18T00:24:35Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09351v2","created_at":"2026-05-18T00:24:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09351","created_at":"2026-05-18T00:24:35Z"},{"alias_kind":"pith_short_12","alias_value":"KMHYIKWHSDZT","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KMHYIKWHSDZTTSKR","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KMHYIKWH","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KMHYIKWHSDZTTSKROEJSF3BGSA","target":"record","payload":{"canonical_record":{"source":{"id":"1605.09351","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2016-05-30T18:45:06Z","cross_cats_sorted":[],"title_canon_sha256":"da9017d483da7fcbc958a1fa692346fa99d8c2c21f772e8d41b1355d266ea529","abstract_canon_sha256":"32f3bb99d0696c064c6387c3c6271d5d67b49e77ada091cb37f3762bb9235078"},"schema_version":"1.0"},"canonical_sha256":"530f842ac790f339c951711322ec26901c073dca20d4c49bd14e10bf63b3e41f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:35.598700Z","signature_b64":"z7rZOn7UNxRuUidLzjVP5C9o1xB7HCA3AsFB9ihktFQ+5y1vJGupZeJ98a8SKOdlyjqyI9F43HGuZO+0FK9hBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"530f842ac790f339c951711322ec26901c073dca20d4c49bd14e10bf63b3e41f","last_reissued_at":"2026-05-18T00:24:35.598277Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:35.598277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.09351","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:24:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EqhJAQx+jm4qu3+DN+0omgMoZsgMHx1aF/PHz1jJaVX2KZo+G/uW5wQIMJ/9Y8AFCDbklWGEjpD80eDlo1hjAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T08:32:47.878590Z"},"content_sha256":"3ee20521bb2f1c5b82f135ce4370504b23b8018d753e7479f06d68abdbcab5ea","schema_version":"1.0","event_id":"sha256:3ee20521bb2f1c5b82f135ce4370504b23b8018d753e7479f06d68abdbcab5ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KMHYIKWHSDZTTSKROEJSF3BGSA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Review of Fall Detection Techniques: A Data Availability Perspective","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Jesse Hoey, Shehroz S. Khan","submitted_at":"2016-05-30T18:45:06Z","abstract_excerpt":"A fall is an abnormal activity that occurs rarely; however, missing to identify falls can have serious health and safety implications on an individual. Due to the rarity of occurrence of falls, there may be insufficient or no training data available for them. Therefore, standard supervised machine learning methods may not be directly applied to handle this problem. In this paper, we present a taxonomy for the study of fall detection from the perspective of availability of fall data. The proposed taxonomy is independent of the type of sensors used and specific feature extraction/selection metho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09351","kind":"arxiv","version":2},"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":"2026-05-18T00:24:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JuHD0WGnBHEK94fHwMZ6vGfNOoeJYzyiQTK4cXJh8KrvTpI2BWHYw3jpPHLXtvGiVLuDzzGPpxnvFsRfwWjsAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T08:32:47.878945Z"},"content_sha256":"7692b2341151a5af26ff54efcf0ec0e50b7e20eb72ab56469e32609a1187d938","schema_version":"1.0","event_id":"sha256:7692b2341151a5af26ff54efcf0ec0e50b7e20eb72ab56469e32609a1187d938"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KMHYIKWHSDZTTSKROEJSF3BGSA/bundle.json","state_url":"https://pith.science/pith/KMHYIKWHSDZTTSKROEJSF3BGSA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KMHYIKWHSDZTTSKROEJSF3BGSA/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":"2026-06-27T08:32:47Z","links":{"resolver":"https://pith.science/pith/KMHYIKWHSDZTTSKROEJSF3BGSA","bundle":"https://pith.science/pith/KMHYIKWHSDZTTSKROEJSF3BGSA/bundle.json","state":"https://pith.science/pith/KMHYIKWHSDZTTSKROEJSF3BGSA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KMHYIKWHSDZTTSKROEJSF3BGSA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KMHYIKWHSDZTTSKROEJSF3BGSA","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":"32f3bb99d0696c064c6387c3c6271d5d67b49e77ada091cb37f3762bb9235078","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2016-05-30T18:45:06Z","title_canon_sha256":"da9017d483da7fcbc958a1fa692346fa99d8c2c21f772e8d41b1355d266ea529"},"schema_version":"1.0","source":{"id":"1605.09351","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09351","created_at":"2026-05-18T00:24:35Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09351v2","created_at":"2026-05-18T00:24:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09351","created_at":"2026-05-18T00:24:35Z"},{"alias_kind":"pith_short_12","alias_value":"KMHYIKWHSDZT","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KMHYIKWHSDZTTSKR","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KMHYIKWH","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:7692b2341151a5af26ff54efcf0ec0e50b7e20eb72ab56469e32609a1187d938","target":"graph","created_at":"2026-05-18T00:24:35Z","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":"A fall is an abnormal activity that occurs rarely; however, missing to identify falls can have serious health and safety implications on an individual. Due to the rarity of occurrence of falls, there may be insufficient or no training data available for them. Therefore, standard supervised machine learning methods may not be directly applied to handle this problem. In this paper, we present a taxonomy for the study of fall detection from the perspective of availability of fall data. The proposed taxonomy is independent of the type of sensors used and specific feature extraction/selection metho","authors_text":"Jesse Hoey, Shehroz S. Khan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2016-05-30T18:45:06Z","title":"Review of Fall Detection Techniques: A Data Availability Perspective"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09351","kind":"arxiv","version":2},"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":"sha256:3ee20521bb2f1c5b82f135ce4370504b23b8018d753e7479f06d68abdbcab5ea","target":"record","created_at":"2026-05-18T00:24:35Z","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":"32f3bb99d0696c064c6387c3c6271d5d67b49e77ada091cb37f3762bb9235078","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2016-05-30T18:45:06Z","title_canon_sha256":"da9017d483da7fcbc958a1fa692346fa99d8c2c21f772e8d41b1355d266ea529"},"schema_version":"1.0","source":{"id":"1605.09351","kind":"arxiv","version":2}},"canonical_sha256":"530f842ac790f339c951711322ec26901c073dca20d4c49bd14e10bf63b3e41f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"530f842ac790f339c951711322ec26901c073dca20d4c49bd14e10bf63b3e41f","first_computed_at":"2026-05-18T00:24:35.598277Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:35.598277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z7rZOn7UNxRuUidLzjVP5C9o1xB7HCA3AsFB9ihktFQ+5y1vJGupZeJ98a8SKOdlyjqyI9F43HGuZO+0FK9hBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:35.598700Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.09351","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ee20521bb2f1c5b82f135ce4370504b23b8018d753e7479f06d68abdbcab5ea","sha256:7692b2341151a5af26ff54efcf0ec0e50b7e20eb72ab56469e32609a1187d938"],"state_sha256":"07070fa6f98c3875d64718aa8854cae0b1c2857415db9a9bfeb100440c06f80f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ma6gEfbd3nZwWUrFy0CmFjlmUj+PeXwOaR6kKd8X7e1PkVd8NjzaRQSAU12+56KG2PvWuizgA5iOFpf105M/AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T08:32:47.880894Z","bundle_sha256":"9544878c1f282acd07669656a6a1d86e5fa1ce850ef3435b901888796c017b32"}}