{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:YLYJAI66TTEC26N2T64NPGPMOC","short_pith_number":"pith:YLYJAI66","canonical_record":{"source":{"id":"2402.00190","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-01-31T21:41:52Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"783865ed60c69e077e02e5c315511e4b8b31f62d9fa78bb450dc10eb305e37b7","abstract_canon_sha256":"913d31752adb52d211560df648aafe8e240dc2ed66d00ac4ab6bb8c64e424173"},"schema_version":"1.0"},"canonical_sha256":"c2f09023de9cc82d79ba9fb8d799ec70838bd62258a83f4be48f3abec3ba922a","source":{"kind":"arxiv","id":"2402.00190","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.00190","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"arxiv_version","alias_value":"2402.00190v1","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.00190","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"pith_short_12","alias_value":"YLYJAI66TTEC","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"pith_short_16","alias_value":"YLYJAI66TTEC26N2","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"pith_short_8","alias_value":"YLYJAI66","created_at":"2026-07-05T07:40:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:YLYJAI66TTEC26N2T64NPGPMOC","target":"record","payload":{"canonical_record":{"source":{"id":"2402.00190","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-01-31T21:41:52Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"783865ed60c69e077e02e5c315511e4b8b31f62d9fa78bb450dc10eb305e37b7","abstract_canon_sha256":"913d31752adb52d211560df648aafe8e240dc2ed66d00ac4ab6bb8c64e424173"},"schema_version":"1.0"},"canonical_sha256":"c2f09023de9cc82d79ba9fb8d799ec70838bd62258a83f4be48f3abec3ba922a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:40:08.089666Z","signature_b64":"c0QunrBzRCz5/rx26L4aWC76Rf2VCL1JETaVys3+MBXoeySr4vgnABWVCOe0+1XWOSkuBFCDRQUFwmSimFfVDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2f09023de9cc82d79ba9fb8d799ec70838bd62258a83f4be48f3abec3ba922a","last_reissued_at":"2026-07-05T07:40:08.089166Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:40:08.089166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.00190","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":"2026-07-05T07:40:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FVMdFJbDkqyw8gHuIEDmydh187GCAoe1JeBiCoqg+mdA2vy+4UWKzF9lYbHCJMvVzEm/e+15b8lQ86Ds4pEpDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:55:39.659823Z"},"content_sha256":"e7d1053985dd65665d32dd844caa0a53c23c9d3ba8b4f763b9ac939e9745b45b","schema_version":"1.0","event_id":"sha256:e7d1053985dd65665d32dd844caa0a53c23c9d3ba8b4f763b9ac939e9745b45b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:YLYJAI66TTEC26N2T64NPGPMOC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"REACT: Two Datasets for Analyzing Both Human Reactions and Evaluative Feedback to Robots Over Time","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.HC"],"primary_cat":"cs.RO","authors_text":"Brian Scassellati, Helen Zhou, Kate Candon, Marynel V\\'azquez, Nicholas C. Georgiou, Qiping Zhang, Sidney Richardson","submitted_at":"2024-01-31T21:41:52Z","abstract_excerpt":"Recent work in Human-Robot Interaction (HRI) has shown that robots can leverage implicit communicative signals from users to understand how they are being perceived during interactions. For example, these signals can be gaze patterns, facial expressions, or body motions that reflect internal human states. To facilitate future research in this direction, we contribute the REACT database, a collection of two datasets of human-robot interactions that display users' natural reactions to robots during a collaborative game and a photography scenario. Further, we analyze the datasets to show that int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.00190","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/2402.00190/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":"2026-07-05T07:40:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kQCNPsJDQq1KuiEiY8u5BrQ938QeBPRolac/3jY/ifSOAxElJ6jrkeAxPbio9XPrxQg5BY+v0ug+rLDTiQW7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:55:39.660203Z"},"content_sha256":"1baf86f2c18ee7565c56429126ce133a4a09b4a6ae3652730ddd277e3f4bced9","schema_version":"1.0","event_id":"sha256:1baf86f2c18ee7565c56429126ce133a4a09b4a6ae3652730ddd277e3f4bced9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YLYJAI66TTEC26N2T64NPGPMOC/bundle.json","state_url":"https://pith.science/pith/YLYJAI66TTEC26N2T64NPGPMOC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YLYJAI66TTEC26N2T64NPGPMOC/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":"2026-07-07T03:55:39Z","links":{"resolver":"https://pith.science/pith/YLYJAI66TTEC26N2T64NPGPMOC","bundle":"https://pith.science/pith/YLYJAI66TTEC26N2T64NPGPMOC/bundle.json","state":"https://pith.science/pith/YLYJAI66TTEC26N2T64NPGPMOC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YLYJAI66TTEC26N2T64NPGPMOC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:YLYJAI66TTEC26N2T64NPGPMOC","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":"913d31752adb52d211560df648aafe8e240dc2ed66d00ac4ab6bb8c64e424173","cross_cats_sorted":["cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-01-31T21:41:52Z","title_canon_sha256":"783865ed60c69e077e02e5c315511e4b8b31f62d9fa78bb450dc10eb305e37b7"},"schema_version":"1.0","source":{"id":"2402.00190","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.00190","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"arxiv_version","alias_value":"2402.00190v1","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.00190","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"pith_short_12","alias_value":"YLYJAI66TTEC","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"pith_short_16","alias_value":"YLYJAI66TTEC26N2","created_at":"2026-07-05T07:40:08Z"},{"alias_kind":"pith_short_8","alias_value":"YLYJAI66","created_at":"2026-07-05T07:40:08Z"}],"graph_snapshots":[{"event_id":"sha256:1baf86f2c18ee7565c56429126ce133a4a09b4a6ae3652730ddd277e3f4bced9","target":"graph","created_at":"2026-07-05T07:40:08Z","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/2402.00190/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent work in Human-Robot Interaction (HRI) has shown that robots can leverage implicit communicative signals from users to understand how they are being perceived during interactions. For example, these signals can be gaze patterns, facial expressions, or body motions that reflect internal human states. To facilitate future research in this direction, we contribute the REACT database, a collection of two datasets of human-robot interactions that display users' natural reactions to robots during a collaborative game and a photography scenario. Further, we analyze the datasets to show that int","authors_text":"Brian Scassellati, Helen Zhou, Kate Candon, Marynel V\\'azquez, Nicholas C. Georgiou, Qiping Zhang, Sidney Richardson","cross_cats":["cs.HC"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-01-31T21:41:52Z","title":"REACT: Two Datasets for Analyzing Both Human Reactions and Evaluative Feedback to Robots Over Time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.00190","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:e7d1053985dd65665d32dd844caa0a53c23c9d3ba8b4f763b9ac939e9745b45b","target":"record","created_at":"2026-07-05T07:40:08Z","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":"913d31752adb52d211560df648aafe8e240dc2ed66d00ac4ab6bb8c64e424173","cross_cats_sorted":["cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-01-31T21:41:52Z","title_canon_sha256":"783865ed60c69e077e02e5c315511e4b8b31f62d9fa78bb450dc10eb305e37b7"},"schema_version":"1.0","source":{"id":"2402.00190","kind":"arxiv","version":1}},"canonical_sha256":"c2f09023de9cc82d79ba9fb8d799ec70838bd62258a83f4be48f3abec3ba922a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2f09023de9cc82d79ba9fb8d799ec70838bd62258a83f4be48f3abec3ba922a","first_computed_at":"2026-07-05T07:40:08.089166Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:40:08.089166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c0QunrBzRCz5/rx26L4aWC76Rf2VCL1JETaVys3+MBXoeySr4vgnABWVCOe0+1XWOSkuBFCDRQUFwmSimFfVDg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:40:08.089666Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.00190","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7d1053985dd65665d32dd844caa0a53c23c9d3ba8b4f763b9ac939e9745b45b","sha256:1baf86f2c18ee7565c56429126ce133a4a09b4a6ae3652730ddd277e3f4bced9"],"state_sha256":"539c5b767c2b576f0062a960a9df30bb78c1584ace26f090af3e30c6b130aa11"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7XUdCDpiyn0KsKK8X5j/SucVJ0zEvfLE2vGxrKFf6S3/2mpPkajn1N4Sfy0kg8wFQy97P8aO5WDEdg+yr39wDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T03:55:39.662246Z","bundle_sha256":"8900bc68e501ce505f5eb7093bd3c8d1ac38bd7e1b6d5f0eb59a0891e85d122a"}}