{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YQEGZLOQLBIJREUEWIAKXFCJ77","short_pith_number":"pith:YQEGZLOQ","canonical_record":{"source":{"id":"1707.07608","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-07-24T15:33:49Z","cross_cats_sorted":[],"title_canon_sha256":"08ed9bc1bc01944f4f9c2839c3f00146cf727c47e0826594f1d37dac742dd8d3","abstract_canon_sha256":"0f16b3c39edb382e07e4191a57deb192b9b66f61136ae4f5aecf3a39c3ff90f8"},"schema_version":"1.0"},"canonical_sha256":"c4086cadd05850989284b200ab9449fffd2419f34432ca7ad2e4a93f04f5d998","source":{"kind":"arxiv","id":"1707.07608","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.07608","created_at":"2026-05-18T00:38:01Z"},{"alias_kind":"arxiv_version","alias_value":"1707.07608v2","created_at":"2026-05-18T00:38:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.07608","created_at":"2026-05-18T00:38:01Z"},{"alias_kind":"pith_short_12","alias_value":"YQEGZLOQLBIJ","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YQEGZLOQLBIJREUE","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YQEGZLOQ","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YQEGZLOQLBIJREUEWIAKXFCJ77","target":"record","payload":{"canonical_record":{"source":{"id":"1707.07608","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-07-24T15:33:49Z","cross_cats_sorted":[],"title_canon_sha256":"08ed9bc1bc01944f4f9c2839c3f00146cf727c47e0826594f1d37dac742dd8d3","abstract_canon_sha256":"0f16b3c39edb382e07e4191a57deb192b9b66f61136ae4f5aecf3a39c3ff90f8"},"schema_version":"1.0"},"canonical_sha256":"c4086cadd05850989284b200ab9449fffd2419f34432ca7ad2e4a93f04f5d998","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:01.701132Z","signature_b64":"1sZFoFvR27fk35MZMdkAXs6krWfr44QrXpisX0/+Y+W1PwYAyOGSvFOLtoDBFBJ0OHD3ly+TIIzcnO2Oj9WBCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4086cadd05850989284b200ab9449fffd2419f34432ca7ad2e4a93f04f5d998","last_reissued_at":"2026-05-18T00:38:01.700636Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:01.700636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.07608","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":"2026-05-18T00:38:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q4Y8i0yap/ewipsUUkwpsXhD7u/EYp0Ta0SwhkOxzoEFm3Cs/U4VGTwqm8sxcP8mJrw5MunG1iDYJIjR3pU4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-19T23:40:56.441539Z"},"content_sha256":"e925cafb3432e69c48e02ef34ca7aca4964c8e2e7c55938aec2df2f3fce88b65","schema_version":"1.0","event_id":"sha256:e925cafb3432e69c48e02ef34ca7aca4964c8e2e7c55938aec2df2f3fce88b65"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YQEGZLOQLBIJREUEWIAKXFCJ77","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Vision-Based Fallen Person Detection for the Elderly","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"John K. Tsotsos, Markus D. Solbach","submitted_at":"2017-07-24T15:33:49Z","abstract_excerpt":"Falls are serious and costly for elderly people. The Centers for Disease Control and Prevention of the US reports that millions of older people, 65 and older, fall each year at least once. Serious injuries such as; hip fractures, broken bones or head injury, are caused by 20% of the falls. The time it takes to respond and treat a fallen person is crucial. With this paper we present a new , non-invasive system for fallen people detection. Our approach uses only stereo camera data for passively sensing the environment. The key novelty is a human fall detector which uses a CNN based human pose es"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.07608","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":"2026-05-18T00:38:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GN7sBi3WJ929Mw2oymNP+fadVKkxXJ6sqEHhZT1Ri0Lw3dOK1KHMl0hks7i/9mVfcQU02vbPAeQcPmedQ9aWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-19T23:40:56.441877Z"},"content_sha256":"6ee09c0249e8a9a993dd5466d792e8888a4ddff0ce939c71c910723fddc681a5","schema_version":"1.0","event_id":"sha256:6ee09c0249e8a9a993dd5466d792e8888a4ddff0ce939c71c910723fddc681a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YQEGZLOQLBIJREUEWIAKXFCJ77/bundle.json","state_url":"https://pith.science/pith/YQEGZLOQLBIJREUEWIAKXFCJ77/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YQEGZLOQLBIJREUEWIAKXFCJ77/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":"2026-06-19T23:40:56Z","links":{"resolver":"https://pith.science/pith/YQEGZLOQLBIJREUEWIAKXFCJ77","bundle":"https://pith.science/pith/YQEGZLOQLBIJREUEWIAKXFCJ77/bundle.json","state":"https://pith.science/pith/YQEGZLOQLBIJREUEWIAKXFCJ77/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YQEGZLOQLBIJREUEWIAKXFCJ77/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YQEGZLOQLBIJREUEWIAKXFCJ77","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":"0f16b3c39edb382e07e4191a57deb192b9b66f61136ae4f5aecf3a39c3ff90f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-07-24T15:33:49Z","title_canon_sha256":"08ed9bc1bc01944f4f9c2839c3f00146cf727c47e0826594f1d37dac742dd8d3"},"schema_version":"1.0","source":{"id":"1707.07608","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.07608","created_at":"2026-05-18T00:38:01Z"},{"alias_kind":"arxiv_version","alias_value":"1707.07608v2","created_at":"2026-05-18T00:38:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.07608","created_at":"2026-05-18T00:38:01Z"},{"alias_kind":"pith_short_12","alias_value":"YQEGZLOQLBIJ","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YQEGZLOQLBIJREUE","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YQEGZLOQ","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:6ee09c0249e8a9a993dd5466d792e8888a4ddff0ce939c71c910723fddc681a5","target":"graph","created_at":"2026-05-18T00:38:01Z","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":"Falls are serious and costly for elderly people. The Centers for Disease Control and Prevention of the US reports that millions of older people, 65 and older, fall each year at least once. Serious injuries such as; hip fractures, broken bones or head injury, are caused by 20% of the falls. The time it takes to respond and treat a fallen person is crucial. With this paper we present a new , non-invasive system for fallen people detection. Our approach uses only stereo camera data for passively sensing the environment. The key novelty is a human fall detector which uses a CNN based human pose es","authors_text":"John K. Tsotsos, Markus D. Solbach","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-07-24T15:33:49Z","title":"Vision-Based Fallen Person Detection for the Elderly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.07608","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:e925cafb3432e69c48e02ef34ca7aca4964c8e2e7c55938aec2df2f3fce88b65","target":"record","created_at":"2026-05-18T00:38:01Z","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":"0f16b3c39edb382e07e4191a57deb192b9b66f61136ae4f5aecf3a39c3ff90f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-07-24T15:33:49Z","title_canon_sha256":"08ed9bc1bc01944f4f9c2839c3f00146cf727c47e0826594f1d37dac742dd8d3"},"schema_version":"1.0","source":{"id":"1707.07608","kind":"arxiv","version":2}},"canonical_sha256":"c4086cadd05850989284b200ab9449fffd2419f34432ca7ad2e4a93f04f5d998","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4086cadd05850989284b200ab9449fffd2419f34432ca7ad2e4a93f04f5d998","first_computed_at":"2026-05-18T00:38:01.700636Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:01.700636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1sZFoFvR27fk35MZMdkAXs6krWfr44QrXpisX0/+Y+W1PwYAyOGSvFOLtoDBFBJ0OHD3ly+TIIzcnO2Oj9WBCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:01.701132Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.07608","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e925cafb3432e69c48e02ef34ca7aca4964c8e2e7c55938aec2df2f3fce88b65","sha256:6ee09c0249e8a9a993dd5466d792e8888a4ddff0ce939c71c910723fddc681a5"],"state_sha256":"1df2fc9bedf694180f89f1b03344ec784ead439f0190adeff888d838e287b8b8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QTclDzwfcCO0hhUgnkjTHSrbe70/yJHBJSR8EUF0xJQt+px12BdVyRd/nEd6gygohQEBJGSbxWIO7afkycwZBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-19T23:40:56.443766Z","bundle_sha256":"1173fbb5c47053febe85e7004632abf50039f41a5a7b79574111174420621942"}}