{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:YMJ6X5VTW4L72LDPPHUOSHYRIO","short_pith_number":"pith:YMJ6X5VT","canonical_record":{"source":{"id":"2507.19494","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-01T06:55:31Z","cross_cats_sorted":[],"title_canon_sha256":"5938e0608e7500af5c55d427dd61eb226cef5be0aaf0d82e1b1087752357f692","abstract_canon_sha256":"9e216f1634e3984e6ad7d0281986be2ddffda8ae157f7b2f871c18223737ae7c"},"schema_version":"1.0"},"canonical_sha256":"c313ebf6b3b717fd2c6f79e8e91f1143a74748294dcf31346e6ea0acb33a73a3","source":{"kind":"arxiv","id":"2507.19494","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.19494","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"arxiv_version","alias_value":"2507.19494v1","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.19494","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"pith_short_12","alias_value":"YMJ6X5VTW4L7","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"pith_short_16","alias_value":"YMJ6X5VTW4L72LDP","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"pith_short_8","alias_value":"YMJ6X5VT","created_at":"2026-07-05T11:43:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:YMJ6X5VTW4L72LDPPHUOSHYRIO","target":"record","payload":{"canonical_record":{"source":{"id":"2507.19494","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-01T06:55:31Z","cross_cats_sorted":[],"title_canon_sha256":"5938e0608e7500af5c55d427dd61eb226cef5be0aaf0d82e1b1087752357f692","abstract_canon_sha256":"9e216f1634e3984e6ad7d0281986be2ddffda8ae157f7b2f871c18223737ae7c"},"schema_version":"1.0"},"canonical_sha256":"c313ebf6b3b717fd2c6f79e8e91f1143a74748294dcf31346e6ea0acb33a73a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:43:34.927203Z","signature_b64":"FXHPzXc++EejOTIcPhbyeP88lZom3HiAMF0gku6U0Frn9fAsDMPGuJJu87XgYkP5SXjB9p5iHY5hSgRCM/7WDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c313ebf6b3b717fd2c6f79e8e91f1143a74748294dcf31346e6ea0acb33a73a3","last_reissued_at":"2026-07-05T11:43:34.926634Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:43:34.926634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.19494","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":"2026-07-05T11:43:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KJDjTwFGTXpO6jNyk0rXntjkyNXbTBC1o2RV9+HdmMZWAy57oFirLy4TtMhqybwNNL7bmQwUONI1IbLma3JPAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T09:42:11.428778Z"},"content_sha256":"e30d3366f188b4ae01f2d94c3d4f283d847c061e7edd8539813dc232e7d54a21","schema_version":"1.0","event_id":"sha256:e30d3366f188b4ae01f2d94c3d4f283d847c061e7edd8539813dc232e7d54a21"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:YMJ6X5VTW4L72LDPPHUOSHYRIO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluating Personalized Beneficial Interventions in the Daily Lives of Older Adults Using a Camera","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Christopher Lochhead, Jacques Fleuriot, Longfei Chen, Nusa Faric, Robert B. Fisher, Subramanian Ramamoorthy","submitted_at":"2025-06-01T06:55:31Z","abstract_excerpt":"Beneficial daily activity interventions have been shown to improve both the physical and mental health of older adults. However, there is a lack of robust objective metrics and personalized strategies to measure their impact. In this study, two older adults aged over 65, living in Edinburgh, UK, selected their preferred daily interventions (mindful meals and art crafts), which are then assessed for effectiveness. The total monitoring period across both participants was 8 weeks. Their physical behaviours were continuously monitored using a non-contact, privacy-preserving camera-based system. Po"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.19494","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/2507.19494/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":"2026-07-05T11:43:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JoIY2CRhB8XYh34srg6CNTtxDH7dr2/B1zTyaYCOwwpcWEsb7fPgCyyo13Ta0WtDzhRaancrRepxD+d30hWeAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T09:42:11.429373Z"},"content_sha256":"ebb72819cc18e9be46ec5581c1033c230473db53288eaed57a016e8ba60065f1","schema_version":"1.0","event_id":"sha256:ebb72819cc18e9be46ec5581c1033c230473db53288eaed57a016e8ba60065f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YMJ6X5VTW4L72LDPPHUOSHYRIO/bundle.json","state_url":"https://pith.science/pith/YMJ6X5VTW4L72LDPPHUOSHYRIO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YMJ6X5VTW4L72LDPPHUOSHYRIO/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":"2026-08-08T09:42:11Z","links":{"resolver":"https://pith.science/pith/YMJ6X5VTW4L72LDPPHUOSHYRIO","bundle":"https://pith.science/pith/YMJ6X5VTW4L72LDPPHUOSHYRIO/bundle.json","state":"https://pith.science/pith/YMJ6X5VTW4L72LDPPHUOSHYRIO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YMJ6X5VTW4L72LDPPHUOSHYRIO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YMJ6X5VTW4L72LDPPHUOSHYRIO","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":"9e216f1634e3984e6ad7d0281986be2ddffda8ae157f7b2f871c18223737ae7c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-01T06:55:31Z","title_canon_sha256":"5938e0608e7500af5c55d427dd61eb226cef5be0aaf0d82e1b1087752357f692"},"schema_version":"1.0","source":{"id":"2507.19494","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.19494","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"arxiv_version","alias_value":"2507.19494v1","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.19494","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"pith_short_12","alias_value":"YMJ6X5VTW4L7","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"pith_short_16","alias_value":"YMJ6X5VTW4L72LDP","created_at":"2026-07-05T11:43:34Z"},{"alias_kind":"pith_short_8","alias_value":"YMJ6X5VT","created_at":"2026-07-05T11:43:34Z"}],"graph_snapshots":[{"event_id":"sha256:ebb72819cc18e9be46ec5581c1033c230473db53288eaed57a016e8ba60065f1","target":"graph","created_at":"2026-07-05T11:43:34Z","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/2507.19494/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Beneficial daily activity interventions have been shown to improve both the physical and mental health of older adults. However, there is a lack of robust objective metrics and personalized strategies to measure their impact. In this study, two older adults aged over 65, living in Edinburgh, UK, selected their preferred daily interventions (mindful meals and art crafts), which are then assessed for effectiveness. The total monitoring period across both participants was 8 weeks. Their physical behaviours were continuously monitored using a non-contact, privacy-preserving camera-based system. Po","authors_text":"Christopher Lochhead, Jacques Fleuriot, Longfei Chen, Nusa Faric, Robert B. Fisher, Subramanian Ramamoorthy","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-01T06:55:31Z","title":"Evaluating Personalized Beneficial Interventions in the Daily Lives of Older Adults Using a Camera"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.19494","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:e30d3366f188b4ae01f2d94c3d4f283d847c061e7edd8539813dc232e7d54a21","target":"record","created_at":"2026-07-05T11:43:34Z","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":"9e216f1634e3984e6ad7d0281986be2ddffda8ae157f7b2f871c18223737ae7c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-01T06:55:31Z","title_canon_sha256":"5938e0608e7500af5c55d427dd61eb226cef5be0aaf0d82e1b1087752357f692"},"schema_version":"1.0","source":{"id":"2507.19494","kind":"arxiv","version":1}},"canonical_sha256":"c313ebf6b3b717fd2c6f79e8e91f1143a74748294dcf31346e6ea0acb33a73a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c313ebf6b3b717fd2c6f79e8e91f1143a74748294dcf31346e6ea0acb33a73a3","first_computed_at":"2026-07-05T11:43:34.926634Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:43:34.926634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FXHPzXc++EejOTIcPhbyeP88lZom3HiAMF0gku6U0Frn9fAsDMPGuJJu87XgYkP5SXjB9p5iHY5hSgRCM/7WDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:43:34.927203Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.19494","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e30d3366f188b4ae01f2d94c3d4f283d847c061e7edd8539813dc232e7d54a21","sha256:ebb72819cc18e9be46ec5581c1033c230473db53288eaed57a016e8ba60065f1"],"state_sha256":"c47b9c4fd3ae481a9d1c45ddffa17876663fc2cebf653df487dfa3c0f9829739"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zCYgrygGdhOhu6twu778MI6GFgmv3/upN3Mg+gxPg6aRagO5m2KD4kcWrhMXGbrG+Zm9BVPEbwa8CwfLY997AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T09:42:11.434581Z","bundle_sha256":"d7de142bc3421f2377fd8fdb18484a1ad431f2c1a51f2404c7520a849f2f64b1"}}