{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:OOXU6NCJUTVQC5ONMYXZG2CT7O","short_pith_number":"pith:OOXU6NCJ","canonical_record":{"source":{"id":"2605.19794","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T12:58:29Z","cross_cats_sorted":["cs.AI","cs.DB"],"title_canon_sha256":"36af4ef2c9dd50dbe53bdae96aedf4ee5d627c824719ec096086cd36446672ad","abstract_canon_sha256":"20fb30db5c012d5bc196cf8dcf9f2bb455ce4fab832c13236abcf27a4fcf9a52"},"schema_version":"1.0"},"canonical_sha256":"73af4f3449a4eb0175cd662f936853fbba7cd4a9e76454629c08887927950b0f","source":{"kind":"arxiv","id":"2605.19794","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19794","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19794v1","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19794","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"pith_short_12","alias_value":"OOXU6NCJUTVQ","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"pith_short_16","alias_value":"OOXU6NCJUTVQC5ON","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"pith_short_8","alias_value":"OOXU6NCJ","created_at":"2026-05-20T01:06:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:OOXU6NCJUTVQC5ONMYXZG2CT7O","target":"record","payload":{"canonical_record":{"source":{"id":"2605.19794","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T12:58:29Z","cross_cats_sorted":["cs.AI","cs.DB"],"title_canon_sha256":"36af4ef2c9dd50dbe53bdae96aedf4ee5d627c824719ec096086cd36446672ad","abstract_canon_sha256":"20fb30db5c012d5bc196cf8dcf9f2bb455ce4fab832c13236abcf27a4fcf9a52"},"schema_version":"1.0"},"canonical_sha256":"73af4f3449a4eb0175cd662f936853fbba7cd4a9e76454629c08887927950b0f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T01:06:14.410355Z","signature_b64":"mEF2eobZjIc3Pyg9u/2ihi11XNwsnv4pBAyaPiSXB4tHPR/BFYH/+PsbE1iCZ2PSbk88wxYP3p3Vrg4kKBu2DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73af4f3449a4eb0175cd662f936853fbba7cd4a9e76454629c08887927950b0f","last_reissued_at":"2026-05-20T01:06:14.409674Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T01:06:14.409674Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.19794","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":"2026-05-20T01:06:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rjPrmLGWf6utHGV2XmBkBLzSI/mrBex7+B28ncMA6lXF2Ec0tLwdoI6/WlcpppZs8MTjWxYNwqJcPziRE3H+Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T04:32:19.826449Z"},"content_sha256":"5af1649315dc2b331e968cc6fa556418237710fd90f1989b64cc5315c04cc7e5","schema_version":"1.0","event_id":"sha256:5af1649315dc2b331e968cc6fa556418237710fd90f1989b64cc5315c04cc7e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:OOXU6NCJUTVQC5ONMYXZG2CT7O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AffectAI-Capture: A Reproducible Multimodal Protocol for Small-Group Meeting Research","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.DB"],"primary_cat":"cs.HC","authors_text":"Alice Modica, Andrew Burke Dittberner, Anna Obara, Fabricio Batista Narcizo, Jesper B\\\"unsow Boldt, Meisam Jamshidi Seikavandi, Paolo Burelli, Tanya Ignatenko, Ted Vucurevich","submitted_at":"2026-05-19T12:58:29Z","abstract_excerpt":"We present AffectAI-Capture, a protocol for collecting synchronized multimodal data in four-person meeting-like interactions, combining eye tracking, wearable physiology, close-talk and room audio, multi-view video, event logging, and structured self-report. Sessions use fixed task blocks grounded in established group-interaction paradigms, while acquisition and post-processing are organized around a single authoritative event timeline and standardized outputs. We describe the experimental rationale, synchronization philosophy, data organization, and practical trade-offs. Pilot-level validatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19794","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/2605.19794/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":"2026-05-20T01:06:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rNroF/CEKX5bep/0otd2RHVx2yJg5nAE1w8V1r2IfFSyuASzqNRwiE2Ij/yRzLuqD7r3LyBCscr+tvxyI+msBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T04:32:19.827094Z"},"content_sha256":"914be695a0362af8b56cbb3d53ee8efd6ca1b8ea5383c3866ef17018070f5de7","schema_version":"1.0","event_id":"sha256:914be695a0362af8b56cbb3d53ee8efd6ca1b8ea5383c3866ef17018070f5de7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OOXU6NCJUTVQC5ONMYXZG2CT7O/bundle.json","state_url":"https://pith.science/pith/OOXU6NCJUTVQC5ONMYXZG2CT7O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OOXU6NCJUTVQC5ONMYXZG2CT7O/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":"2026-05-22T04:32:19Z","links":{"resolver":"https://pith.science/pith/OOXU6NCJUTVQC5ONMYXZG2CT7O","bundle":"https://pith.science/pith/OOXU6NCJUTVQC5ONMYXZG2CT7O/bundle.json","state":"https://pith.science/pith/OOXU6NCJUTVQC5ONMYXZG2CT7O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OOXU6NCJUTVQC5ONMYXZG2CT7O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:OOXU6NCJUTVQC5ONMYXZG2CT7O","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":"20fb30db5c012d5bc196cf8dcf9f2bb455ce4fab832c13236abcf27a4fcf9a52","cross_cats_sorted":["cs.AI","cs.DB"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T12:58:29Z","title_canon_sha256":"36af4ef2c9dd50dbe53bdae96aedf4ee5d627c824719ec096086cd36446672ad"},"schema_version":"1.0","source":{"id":"2605.19794","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19794","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19794v1","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19794","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"pith_short_12","alias_value":"OOXU6NCJUTVQ","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"pith_short_16","alias_value":"OOXU6NCJUTVQC5ON","created_at":"2026-05-20T01:06:14Z"},{"alias_kind":"pith_short_8","alias_value":"OOXU6NCJ","created_at":"2026-05-20T01:06:14Z"}],"graph_snapshots":[{"event_id":"sha256:914be695a0362af8b56cbb3d53ee8efd6ca1b8ea5383c3866ef17018070f5de7","target":"graph","created_at":"2026-05-20T01:06:14Z","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/2605.19794/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present AffectAI-Capture, a protocol for collecting synchronized multimodal data in four-person meeting-like interactions, combining eye tracking, wearable physiology, close-talk and room audio, multi-view video, event logging, and structured self-report. Sessions use fixed task blocks grounded in established group-interaction paradigms, while acquisition and post-processing are organized around a single authoritative event timeline and standardized outputs. We describe the experimental rationale, synchronization philosophy, data organization, and practical trade-offs. Pilot-level validatio","authors_text":"Alice Modica, Andrew Burke Dittberner, Anna Obara, Fabricio Batista Narcizo, Jesper B\\\"unsow Boldt, Meisam Jamshidi Seikavandi, Paolo Burelli, Tanya Ignatenko, Ted Vucurevich","cross_cats":["cs.AI","cs.DB"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T12:58:29Z","title":"AffectAI-Capture: A Reproducible Multimodal Protocol for Small-Group Meeting Research"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19794","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":"sha256:5af1649315dc2b331e968cc6fa556418237710fd90f1989b64cc5315c04cc7e5","target":"record","created_at":"2026-05-20T01:06:14Z","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":"20fb30db5c012d5bc196cf8dcf9f2bb455ce4fab832c13236abcf27a4fcf9a52","cross_cats_sorted":["cs.AI","cs.DB"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2026-05-19T12:58:29Z","title_canon_sha256":"36af4ef2c9dd50dbe53bdae96aedf4ee5d627c824719ec096086cd36446672ad"},"schema_version":"1.0","source":{"id":"2605.19794","kind":"arxiv","version":1}},"canonical_sha256":"73af4f3449a4eb0175cd662f936853fbba7cd4a9e76454629c08887927950b0f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73af4f3449a4eb0175cd662f936853fbba7cd4a9e76454629c08887927950b0f","first_computed_at":"2026-05-20T01:06:14.409674Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:06:14.409674Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mEF2eobZjIc3Pyg9u/2ihi11XNwsnv4pBAyaPiSXB4tHPR/BFYH/+PsbE1iCZ2PSbk88wxYP3p3Vrg4kKBu2DQ==","signature_status":"signed_v1","signed_at":"2026-05-20T01:06:14.410355Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.19794","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5af1649315dc2b331e968cc6fa556418237710fd90f1989b64cc5315c04cc7e5","sha256:914be695a0362af8b56cbb3d53ee8efd6ca1b8ea5383c3866ef17018070f5de7"],"state_sha256":"01bd8512608e40f8565f6e5bcc25b0611478343839ee075696ea7936fdd57058"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gqbr6G4Cgmb8npVTmYe3F9vrzNA526mrUxQ1kYGbIHbp1bjk0AGSCBX6kKcqmBTXARHOJxb0OT7MFPw6ybynDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T04:32:19.830733Z","bundle_sha256":"a9545f6a8a2192cf5888a3104b8f1d722e4a53c6d847ce22cd2c69c04a1e4fd7"}}