{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:GPS2WMUPAOBYGGV4IXMXTZGLWQ","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":"d4294b13fe76305abb1d30b3e23fefc543c704dc6f05a3a15c7d24bf45eeb43a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-07-21T17:24:54Z","title_canon_sha256":"fa9e53471ed8d9d7cdc83f99bb4be9b1a098173a7ef07781cada6346bdd8176d"},"schema_version":"1.0","source":{"id":"1707.06982","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.06982","created_at":"2026-05-18T00:39:48Z"},{"alias_kind":"arxiv_version","alias_value":"1707.06982v1","created_at":"2026-05-18T00:39:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.06982","created_at":"2026-05-18T00:39:48Z"},{"alias_kind":"pith_short_12","alias_value":"GPS2WMUPAOBY","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GPS2WMUPAOBYGGV4","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GPS2WMUP","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:9d6a130d505bb59affd08280dc515806e58f41ae9b99879785012283acb18695","target":"graph","created_at":"2026-05-18T00:39:48Z","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":"Gait recognition is an important biometric technique for video surveillance tasks, due to the advantage of using it at distance. In this paper, we present a persistent homology-based method to extract topological features (the so-called {\\it topological gait signature}) from the the body silhouettes of a gait sequence. % It has been used before in several conference papers of the same authors for human identification, gender classification, carried object detection and monitoring human activities at distance. % The novelty of this paper is the study of the stability of the topological gait sig","authors_text":"Edel Garcia-Reyes, J. Lamar-Leon, Raul Alonso-Baryolo, R. Gonzalez-Diaz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-07-21T17:24:54Z","title":"Persistent-homology-based gait recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.06982","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:f59047a1988958d1047e067b8d6e7d9bde3ce8c59f819c07796e1b7501b16ee4","target":"record","created_at":"2026-05-18T00:39:48Z","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":"d4294b13fe76305abb1d30b3e23fefc543c704dc6f05a3a15c7d24bf45eeb43a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-07-21T17:24:54Z","title_canon_sha256":"fa9e53471ed8d9d7cdc83f99bb4be9b1a098173a7ef07781cada6346bdd8176d"},"schema_version":"1.0","source":{"id":"1707.06982","kind":"arxiv","version":1}},"canonical_sha256":"33e5ab328f0383831abc45d979e4cbb419bd1457117ecb99909632e533ce89c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"33e5ab328f0383831abc45d979e4cbb419bd1457117ecb99909632e533ce89c8","first_computed_at":"2026-05-18T00:39:48.673644Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:48.673644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b4OxYwXepWY9mD7ab0ZqU46BAp9rPsE2Xbvp6EgoPIqZSLVSNpYEsS6/LSRtNfUwbwEwf01kBE2yWOT1ny1kBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:48.674272Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.06982","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f59047a1988958d1047e067b8d6e7d9bde3ce8c59f819c07796e1b7501b16ee4","sha256:9d6a130d505bb59affd08280dc515806e58f41ae9b99879785012283acb18695"],"state_sha256":"6443a05f7218f8b43f849badf0a3b45cc6a4de8e46b63af663c27d82b9f8d03a"}