{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DDL5XY2H4JYMLYYBHUOPHQOJK4","short_pith_number":"pith:DDL5XY2H","canonical_record":{"source":{"id":"1812.06128","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-12-10T13:45:20Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"81ab8329a2be4d804229693ca8ab34bc9bf1e6308bc9c59a132bbcfd342bf7a5","abstract_canon_sha256":"1e7ebbd78c0a5f75419994a34ecf55ece1e275cd23b7ee4970ac095bfe89307c"},"schema_version":"1.0"},"canonical_sha256":"18d7dbe347e270c5e3013d1cf3c1c9571e1dba1be1753078efcd8d0ec42c50d4","source":{"kind":"arxiv","id":"1812.06128","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06128","created_at":"2026-05-17T23:58:13Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06128v1","created_at":"2026-05-17T23:58:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06128","created_at":"2026-05-17T23:58:13Z"},{"alias_kind":"pith_short_12","alias_value":"DDL5XY2H4JYM","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DDL5XY2H4JYMLYYB","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DDL5XY2H","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DDL5XY2H4JYMLYYBHUOPHQOJK4","target":"record","payload":{"canonical_record":{"source":{"id":"1812.06128","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-12-10T13:45:20Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"81ab8329a2be4d804229693ca8ab34bc9bf1e6308bc9c59a132bbcfd342bf7a5","abstract_canon_sha256":"1e7ebbd78c0a5f75419994a34ecf55ece1e275cd23b7ee4970ac095bfe89307c"},"schema_version":"1.0"},"canonical_sha256":"18d7dbe347e270c5e3013d1cf3c1c9571e1dba1be1753078efcd8d0ec42c50d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:13.110716Z","signature_b64":"RHKMOXi0U3u0cpGJaRisBy+PVKtTusv9F6zmCRTnbUeNbwBS02S2IY59ew1MW4xf8E8kKIRugeNd+YMpqMf+Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18d7dbe347e270c5e3013d1cf3c1c9571e1dba1be1753078efcd8d0ec42c50d4","last_reissued_at":"2026-05-17T23:58:13.110062Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:13.110062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.06128","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":"2026-05-17T23:58:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+4h/Vyqwqw/G2dnodzgNtRBTFWOZ/PW0owDtHFQizEOkO0c83F5jOA9EVtPmxgj5xYh3IPSC83rRi1otZPz8CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:00:57.750172Z"},"content_sha256":"aa3b2684d527079f31b1df69ad0cdcf6472ed63c5fad1c45b48c336426676a80","schema_version":"1.0","event_id":"sha256:aa3b2684d527079f31b1df69ad0cdcf6472ed63c5fad1c45b48c336426676a80"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DDL5XY2H4JYMLYYBHUOPHQOJK4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Machine learning approaches to understand the influence of urban environments on human's physiological response","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.HC","authors_text":"Charlotte Schaeben, Danielle Griego, Dirk Donath, Gerhard Schmitt, Lukas Treyer, Martin Bielik, Matthias Standfest, Peter Bus, Reinhard Konig, Saskia Kuliga, Sven Schneider, Varun Kumar Ojha","submitted_at":"2018-12-10T13:45:20Z","abstract_excerpt":"This research proposes a framework for signal processing and information fusion of spatial-temporal multi-sensor data pertaining to understanding patterns of humans physiological changes in an urban environment. The framework includes signal frequency unification, signal pairing, signal filtering, signal quantification, and data labeling. Furthermore, this paper contributes to human-environment interaction research, where a field study to understand the influence of environmental features such as varying sound level, illuminance, field-of-view, or environmental conditions on humans' perception"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06128","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":"2026-05-17T23:58:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tjbHAK5ORVMB7+OxS3vmqCjFbNRsJrBacFo6Qt1Res6jMY7ZmstxqFll105i8wpS6DVeNbuc31iJRiC4DIKIBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:00:57.750531Z"},"content_sha256":"bfa8761da495effaa6accdc53fc602d438e68533818e20968756f29c42142074","schema_version":"1.0","event_id":"sha256:bfa8761da495effaa6accdc53fc602d438e68533818e20968756f29c42142074"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DDL5XY2H4JYMLYYBHUOPHQOJK4/bundle.json","state_url":"https://pith.science/pith/DDL5XY2H4JYMLYYBHUOPHQOJK4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DDL5XY2H4JYMLYYBHUOPHQOJK4/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":"2026-06-26T22:00:57Z","links":{"resolver":"https://pith.science/pith/DDL5XY2H4JYMLYYBHUOPHQOJK4","bundle":"https://pith.science/pith/DDL5XY2H4JYMLYYBHUOPHQOJK4/bundle.json","state":"https://pith.science/pith/DDL5XY2H4JYMLYYBHUOPHQOJK4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DDL5XY2H4JYMLYYBHUOPHQOJK4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DDL5XY2H4JYMLYYBHUOPHQOJK4","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":"1e7ebbd78c0a5f75419994a34ecf55ece1e275cd23b7ee4970ac095bfe89307c","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-12-10T13:45:20Z","title_canon_sha256":"81ab8329a2be4d804229693ca8ab34bc9bf1e6308bc9c59a132bbcfd342bf7a5"},"schema_version":"1.0","source":{"id":"1812.06128","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06128","created_at":"2026-05-17T23:58:13Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06128v1","created_at":"2026-05-17T23:58:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06128","created_at":"2026-05-17T23:58:13Z"},{"alias_kind":"pith_short_12","alias_value":"DDL5XY2H4JYM","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DDL5XY2H4JYMLYYB","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DDL5XY2H","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:bfa8761da495effaa6accdc53fc602d438e68533818e20968756f29c42142074","target":"graph","created_at":"2026-05-17T23:58:13Z","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 research proposes a framework for signal processing and information fusion of spatial-temporal multi-sensor data pertaining to understanding patterns of humans physiological changes in an urban environment. The framework includes signal frequency unification, signal pairing, signal filtering, signal quantification, and data labeling. Furthermore, this paper contributes to human-environment interaction research, where a field study to understand the influence of environmental features such as varying sound level, illuminance, field-of-view, or environmental conditions on humans' perception","authors_text":"Charlotte Schaeben, Danielle Griego, Dirk Donath, Gerhard Schmitt, Lukas Treyer, Martin Bielik, Matthias Standfest, Peter Bus, Reinhard Konig, Saskia Kuliga, Sven Schneider, Varun Kumar Ojha","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-12-10T13:45:20Z","title":"Machine learning approaches to understand the influence of urban environments on human's physiological response"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06128","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:aa3b2684d527079f31b1df69ad0cdcf6472ed63c5fad1c45b48c336426676a80","target":"record","created_at":"2026-05-17T23:58:13Z","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":"1e7ebbd78c0a5f75419994a34ecf55ece1e275cd23b7ee4970ac095bfe89307c","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-12-10T13:45:20Z","title_canon_sha256":"81ab8329a2be4d804229693ca8ab34bc9bf1e6308bc9c59a132bbcfd342bf7a5"},"schema_version":"1.0","source":{"id":"1812.06128","kind":"arxiv","version":1}},"canonical_sha256":"18d7dbe347e270c5e3013d1cf3c1c9571e1dba1be1753078efcd8d0ec42c50d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18d7dbe347e270c5e3013d1cf3c1c9571e1dba1be1753078efcd8d0ec42c50d4","first_computed_at":"2026-05-17T23:58:13.110062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:13.110062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RHKMOXi0U3u0cpGJaRisBy+PVKtTusv9F6zmCRTnbUeNbwBS02S2IY59ew1MW4xf8E8kKIRugeNd+YMpqMf+Bg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:13.110716Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.06128","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa3b2684d527079f31b1df69ad0cdcf6472ed63c5fad1c45b48c336426676a80","sha256:bfa8761da495effaa6accdc53fc602d438e68533818e20968756f29c42142074"],"state_sha256":"d4a0167113ce0872099c1eec395b2e4eb87596b724b384dda3f507d0075d0c9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Q9JlGQEC8cYIRuuwnJ1SEddTsuUkwMNIvtP4Lyt767LglRBXdeua8ZCut6q5wKA+uXOTkUM8REo7xsZ0PL7CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T22:00:57.752571Z","bundle_sha256":"1a2a7cd0baebf4ff045b0f24c74b970b7fc87eb0369f96a0524a3c5e2b3bbb76"}}