{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:4N5B6RFNXM4DVY6WLA2AQCMQ4G","short_pith_number":"pith:4N5B6RFN","canonical_record":{"source":{"id":"1106.4451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2011-06-22T14:01:51Z","cross_cats_sorted":[],"title_canon_sha256":"44785f032751058584e184e0dbe3577fad839693c32cd5fd7827e92bdd66a17f","abstract_canon_sha256":"e930342de3233af5cb64fabf680587e1a676f8376db744f2826eeaa8a402f3af"},"schema_version":"1.0"},"canonical_sha256":"e37a1f44adbb383ae3d65834080990e1b90455300b83e7ab6ff1bd18cc124dcd","source":{"kind":"arxiv","id":"1106.4451","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.4451","created_at":"2026-05-18T02:51:57Z"},{"alias_kind":"arxiv_version","alias_value":"1106.4451v1","created_at":"2026-05-18T02:51:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.4451","created_at":"2026-05-18T02:51:57Z"},{"alias_kind":"pith_short_12","alias_value":"4N5B6RFNXM4D","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4N5B6RFNXM4DVY6W","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4N5B6RFN","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:4N5B6RFNXM4DVY6WLA2AQCMQ4G","target":"record","payload":{"canonical_record":{"source":{"id":"1106.4451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2011-06-22T14:01:51Z","cross_cats_sorted":[],"title_canon_sha256":"44785f032751058584e184e0dbe3577fad839693c32cd5fd7827e92bdd66a17f","abstract_canon_sha256":"e930342de3233af5cb64fabf680587e1a676f8376db744f2826eeaa8a402f3af"},"schema_version":"1.0"},"canonical_sha256":"e37a1f44adbb383ae3d65834080990e1b90455300b83e7ab6ff1bd18cc124dcd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:57.350866Z","signature_b64":"qdYELlW8Ntyc5mY/0X0kH+E/+/ip6YChZrjuaxHACBVjoiFJfU/WGwuEXRxZVuNIpiMjXl1VtTSslA/d0x+YDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e37a1f44adbb383ae3d65834080990e1b90455300b83e7ab6ff1bd18cc124dcd","last_reissued_at":"2026-05-18T02:51:57.350438Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:57.350438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.4451","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":"2026-05-18T02:51:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rHpwnYL5IVPUwZeZBIltjtN7yo0VXvYJEFvw15Khz2mI2ZW0cOpLddWmJf5RC92z18tTaiZ7Any0N4bg7XCmAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T14:21:16.300139Z"},"content_sha256":"d4ef890158984345965fe48ac15be38fbb60af68849fc08bee387d8559fc776a","schema_version":"1.0","event_id":"sha256:d4ef890158984345965fe48ac15be38fbb60af68849fc08bee387d8559fc776a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:4N5B6RFNXM4DVY6WLA2AQCMQ4G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Activities of Daily Living Indexing by Hierarchical HMM for Dementia Diagnostics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.MM","authors_text":"Jean-Fran\\c{c}ois Dartigues, Jenny Benois-Pineau (LaBRI), Julien Pinquier (IRIT), R\\'emi M\\'egret (IMS), Svebor Karaman (LaBRI), Yann Ga\\\"estel (ISPED)","submitted_at":"2011-06-22T14:01:51Z","abstract_excerpt":"This paper presents a method for indexing human ac- tivities in videos captured from a wearable camera being worn by patients, for studies of progression of the dementia diseases. Our method aims to produce indexes to facilitate the navigation throughout the individual video recordings, which could help doctors search for early signs of the dis- ease in the activities of daily living. The recorded videos have strong motion and sharp lighting changes, inducing noise for the analysis. The proposed approach is based on a two steps analysis. First, we propose a new approach to segment this type of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.4451","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":"2026-05-18T02:51:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q5x/AV2xUO/ImOoYx1tgED+W0ySJWH5uA/Narme8EeGCnRcMOt3Rfkg3i6O5lIbIEipc7W87ySafAfe5y/I4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T14:21:16.300694Z"},"content_sha256":"2a10483826d15ba6ae764a5318622d8bfadf1ded56d65e3b985766d88a4200d6","schema_version":"1.0","event_id":"sha256:2a10483826d15ba6ae764a5318622d8bfadf1ded56d65e3b985766d88a4200d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4N5B6RFNXM4DVY6WLA2AQCMQ4G/bundle.json","state_url":"https://pith.science/pith/4N5B6RFNXM4DVY6WLA2AQCMQ4G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4N5B6RFNXM4DVY6WLA2AQCMQ4G/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":"2026-06-07T14:21:16Z","links":{"resolver":"https://pith.science/pith/4N5B6RFNXM4DVY6WLA2AQCMQ4G","bundle":"https://pith.science/pith/4N5B6RFNXM4DVY6WLA2AQCMQ4G/bundle.json","state":"https://pith.science/pith/4N5B6RFNXM4DVY6WLA2AQCMQ4G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4N5B6RFNXM4DVY6WLA2AQCMQ4G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4N5B6RFNXM4DVY6WLA2AQCMQ4G","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":"e930342de3233af5cb64fabf680587e1a676f8376db744f2826eeaa8a402f3af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2011-06-22T14:01:51Z","title_canon_sha256":"44785f032751058584e184e0dbe3577fad839693c32cd5fd7827e92bdd66a17f"},"schema_version":"1.0","source":{"id":"1106.4451","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.4451","created_at":"2026-05-18T02:51:57Z"},{"alias_kind":"arxiv_version","alias_value":"1106.4451v1","created_at":"2026-05-18T02:51:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.4451","created_at":"2026-05-18T02:51:57Z"},{"alias_kind":"pith_short_12","alias_value":"4N5B6RFNXM4D","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4N5B6RFNXM4DVY6W","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4N5B6RFN","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:2a10483826d15ba6ae764a5318622d8bfadf1ded56d65e3b985766d88a4200d6","target":"graph","created_at":"2026-05-18T02:51:57Z","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":"This paper presents a method for indexing human ac- tivities in videos captured from a wearable camera being worn by patients, for studies of progression of the dementia diseases. Our method aims to produce indexes to facilitate the navigation throughout the individual video recordings, which could help doctors search for early signs of the dis- ease in the activities of daily living. The recorded videos have strong motion and sharp lighting changes, inducing noise for the analysis. The proposed approach is based on a two steps analysis. First, we propose a new approach to segment this type of","authors_text":"Jean-Fran\\c{c}ois Dartigues, Jenny Benois-Pineau (LaBRI), Julien Pinquier (IRIT), R\\'emi M\\'egret (IMS), Svebor Karaman (LaBRI), Yann Ga\\\"estel (ISPED)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2011-06-22T14:01:51Z","title":"Activities of Daily Living Indexing by Hierarchical HMM for Dementia Diagnostics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.4451","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:d4ef890158984345965fe48ac15be38fbb60af68849fc08bee387d8559fc776a","target":"record","created_at":"2026-05-18T02:51:57Z","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":"e930342de3233af5cb64fabf680587e1a676f8376db744f2826eeaa8a402f3af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2011-06-22T14:01:51Z","title_canon_sha256":"44785f032751058584e184e0dbe3577fad839693c32cd5fd7827e92bdd66a17f"},"schema_version":"1.0","source":{"id":"1106.4451","kind":"arxiv","version":1}},"canonical_sha256":"e37a1f44adbb383ae3d65834080990e1b90455300b83e7ab6ff1bd18cc124dcd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e37a1f44adbb383ae3d65834080990e1b90455300b83e7ab6ff1bd18cc124dcd","first_computed_at":"2026-05-18T02:51:57.350438Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:57.350438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qdYELlW8Ntyc5mY/0X0kH+E/+/ip6YChZrjuaxHACBVjoiFJfU/WGwuEXRxZVuNIpiMjXl1VtTSslA/d0x+YDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:57.350866Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.4451","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4ef890158984345965fe48ac15be38fbb60af68849fc08bee387d8559fc776a","sha256:2a10483826d15ba6ae764a5318622d8bfadf1ded56d65e3b985766d88a4200d6"],"state_sha256":"aaf14d0a8c386e40b41ca8d31187946d816a7ed6cade9daf60a70025c63c3611"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"13a9cgvSOIqDJNNYSKzELcapOS55MKzVyhc32dnTz72kce4CsdUL52H0aJag7g37DWzabszeNZuXV+0iZD3FAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T14:21:16.304180Z","bundle_sha256":"6d51798c891636c54ea432bf204c7d39ce2064dab4407f9d879f732a8097ace8"}}