{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:UILKXXE62Z6QJUXFNDGUHSVQSC","short_pith_number":"pith:UILKXXE6","canonical_record":{"source":{"id":"2202.09728","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2022-02-20T04:16:32Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"74ef016a75a5601d468232967efcf38050cad1c10d506883594646a8f93b920a","abstract_canon_sha256":"cfe001b400fce4fc6a7a20e5fb13a2f904dca9891d4afa24d728872fad8ac057"},"schema_version":"1.0"},"canonical_sha256":"a216abdc9ed67d04d2e568cd43cab090a76ee6d930f3c61e57b4a822d4629c4c","source":{"kind":"arxiv","id":"2202.09728","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.09728","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"arxiv_version","alias_value":"2202.09728v1","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.09728","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"pith_short_12","alias_value":"UILKXXE62Z6Q","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"pith_short_16","alias_value":"UILKXXE62Z6QJUXF","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"pith_short_8","alias_value":"UILKXXE6","created_at":"2026-07-05T03:58:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:UILKXXE62Z6QJUXFNDGUHSVQSC","target":"record","payload":{"canonical_record":{"source":{"id":"2202.09728","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2022-02-20T04:16:32Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"74ef016a75a5601d468232967efcf38050cad1c10d506883594646a8f93b920a","abstract_canon_sha256":"cfe001b400fce4fc6a7a20e5fb13a2f904dca9891d4afa24d728872fad8ac057"},"schema_version":"1.0"},"canonical_sha256":"a216abdc9ed67d04d2e568cd43cab090a76ee6d930f3c61e57b4a822d4629c4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:58:25.415646Z","signature_b64":"tIjdD4kSPWlbrK+eQpurkJXKD6Wt7BrU6IPmbl4baceWm9pZFwRpGWw6x6/1xBAGWlore8QnuQ3NmabO4m48Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a216abdc9ed67d04d2e568cd43cab090a76ee6d930f3c61e57b4a822d4629c4c","last_reissued_at":"2026-07-05T03:58:25.415234Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:58:25.415234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.09728","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":"2026-07-05T03:58:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eAM2+HOiUCRCNJMxbBtgYQFlLyXt0GfFDfuHJiZ40vsrMCk6T3HWxaKxaltfZm1FXmtZolod1zyC0+0yZ8OqAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T13:10:07.886263Z"},"content_sha256":"fdce054c8eb676338bb25a38174611ba977dc58e1c314481cfd21789bfa8deb6","schema_version":"1.0","event_id":"sha256:fdce054c8eb676338bb25a38174611ba977dc58e1c314481cfd21789bfa8deb6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:UILKXXE62Z6QJUXFNDGUHSVQSC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Effects of System Initiative during Conversational Collaborative Search","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.IR"],"primary_cat":"cs.HC","authors_text":"Bogeum Choi, Jaime Arguello, Sandeep Avula","submitted_at":"2022-02-20T04:16:32Z","abstract_excerpt":"Our research in this paper lies at the intersection of collaborative and conversational search. We report on a Wizard of Oz lab study in which 27 pairs of participants collaborated on search tasks over the Slack messaging platform. To complete tasks, pairs of collaborators interacted with a so-called \\emph{searchbot} with conversational capabilities. The role of the searchbot was played by a reference librarian. It is widely accepted that conversational search systems should be able to engage in \\emph{mixed-initiative interaction} -- take and relinquish control of a multi-agent conversation as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.09728","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/2202.09728/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":"2026-07-05T03:58:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YBnm7kDZ41DdrdbAt0kCCBC8s8am7jlZDj2fb7qaYx1SMtzJVNgJZ+1+k9sGKTreU+A0nVF0m2HkCCiZCBK0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T13:10:07.886672Z"},"content_sha256":"275d5219cee5ae385ef4a02de0fb15be3baf1fc4a4f26bb840a6d108419d04c1","schema_version":"1.0","event_id":"sha256:275d5219cee5ae385ef4a02de0fb15be3baf1fc4a4f26bb840a6d108419d04c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UILKXXE62Z6QJUXFNDGUHSVQSC/bundle.json","state_url":"https://pith.science/pith/UILKXXE62Z6QJUXFNDGUHSVQSC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UILKXXE62Z6QJUXFNDGUHSVQSC/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":"2026-07-05T13:10:07Z","links":{"resolver":"https://pith.science/pith/UILKXXE62Z6QJUXFNDGUHSVQSC","bundle":"https://pith.science/pith/UILKXXE62Z6QJUXFNDGUHSVQSC/bundle.json","state":"https://pith.science/pith/UILKXXE62Z6QJUXFNDGUHSVQSC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UILKXXE62Z6QJUXFNDGUHSVQSC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:UILKXXE62Z6QJUXFNDGUHSVQSC","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":"cfe001b400fce4fc6a7a20e5fb13a2f904dca9891d4afa24d728872fad8ac057","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2022-02-20T04:16:32Z","title_canon_sha256":"74ef016a75a5601d468232967efcf38050cad1c10d506883594646a8f93b920a"},"schema_version":"1.0","source":{"id":"2202.09728","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.09728","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"arxiv_version","alias_value":"2202.09728v1","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.09728","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"pith_short_12","alias_value":"UILKXXE62Z6Q","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"pith_short_16","alias_value":"UILKXXE62Z6QJUXF","created_at":"2026-07-05T03:58:25Z"},{"alias_kind":"pith_short_8","alias_value":"UILKXXE6","created_at":"2026-07-05T03:58:25Z"}],"graph_snapshots":[{"event_id":"sha256:275d5219cee5ae385ef4a02de0fb15be3baf1fc4a4f26bb840a6d108419d04c1","target":"graph","created_at":"2026-07-05T03:58:25Z","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/2202.09728/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Our research in this paper lies at the intersection of collaborative and conversational search. We report on a Wizard of Oz lab study in which 27 pairs of participants collaborated on search tasks over the Slack messaging platform. To complete tasks, pairs of collaborators interacted with a so-called \\emph{searchbot} with conversational capabilities. The role of the searchbot was played by a reference librarian. It is widely accepted that conversational search systems should be able to engage in \\emph{mixed-initiative interaction} -- take and relinquish control of a multi-agent conversation as","authors_text":"Bogeum Choi, Jaime Arguello, Sandeep Avula","cross_cats":["cs.IR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2022-02-20T04:16:32Z","title":"The Effects of System Initiative during Conversational Collaborative Search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.09728","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:fdce054c8eb676338bb25a38174611ba977dc58e1c314481cfd21789bfa8deb6","target":"record","created_at":"2026-07-05T03:58:25Z","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":"cfe001b400fce4fc6a7a20e5fb13a2f904dca9891d4afa24d728872fad8ac057","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2022-02-20T04:16:32Z","title_canon_sha256":"74ef016a75a5601d468232967efcf38050cad1c10d506883594646a8f93b920a"},"schema_version":"1.0","source":{"id":"2202.09728","kind":"arxiv","version":1}},"canonical_sha256":"a216abdc9ed67d04d2e568cd43cab090a76ee6d930f3c61e57b4a822d4629c4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a216abdc9ed67d04d2e568cd43cab090a76ee6d930f3c61e57b4a822d4629c4c","first_computed_at":"2026-07-05T03:58:25.415234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:58:25.415234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tIjdD4kSPWlbrK+eQpurkJXKD6Wt7BrU6IPmbl4baceWm9pZFwRpGWw6x6/1xBAGWlore8QnuQ3NmabO4m48Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:58:25.415646Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.09728","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fdce054c8eb676338bb25a38174611ba977dc58e1c314481cfd21789bfa8deb6","sha256:275d5219cee5ae385ef4a02de0fb15be3baf1fc4a4f26bb840a6d108419d04c1"],"state_sha256":"7d86c1ea84723fa1ad7555810ac656d3a4508a9e7d0375719867e2120078c797"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SLZkutd3f4HCvSRMwbvzaCc648etlzWce7fUPZC4WouhOOQY1YzPtN5Rv79of8rRrohv1kqZHa/R5d4HS6n5BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T13:10:07.889035Z","bundle_sha256":"d7b44013b8a7d7df523f9f0006fe13ab7eaea1b52fab330f60ea8c6a97091740"}}