{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VHN2J56BTII3E22YK6PS44BFTT","short_pith_number":"pith:VHN2J56B","canonical_record":{"source":{"id":"1805.00977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-05-02T18:45:32Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"4501bbf8de98d7bdca17434a02d2b2271bfe7460fbe236d1acdd78ff3b773ca3","abstract_canon_sha256":"cfaa71ef1260a3cb9961f5fb1921709d214e27145196a624817248797c38a086"},"schema_version":"1.0"},"canonical_sha256":"a9dba4f7c19a11b26b58579f2e70259ced001eb2f87ed2dac1fbdc7d2a173dd6","source":{"kind":"arxiv","id":"1805.00977","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00977","created_at":"2026-05-18T00:06:24Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00977v1","created_at":"2026-05-18T00:06:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00977","created_at":"2026-05-18T00:06:24Z"},{"alias_kind":"pith_short_12","alias_value":"VHN2J56BTII3","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VHN2J56BTII3E22Y","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VHN2J56B","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VHN2J56BTII3E22YK6PS44BFTT","target":"record","payload":{"canonical_record":{"source":{"id":"1805.00977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-05-02T18:45:32Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"4501bbf8de98d7bdca17434a02d2b2271bfe7460fbe236d1acdd78ff3b773ca3","abstract_canon_sha256":"cfaa71ef1260a3cb9961f5fb1921709d214e27145196a624817248797c38a086"},"schema_version":"1.0"},"canonical_sha256":"a9dba4f7c19a11b26b58579f2e70259ced001eb2f87ed2dac1fbdc7d2a173dd6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:24.877278Z","signature_b64":"zXo6g+5R0Ifg3suC7uGVgte8tuT+K8FF/opehkRMXAbYLorVlqrftMWovNRL7BTxLhsxFczIcZCmptDaxH5xDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9dba4f7c19a11b26b58579f2e70259ced001eb2f87ed2dac1fbdc7d2a173dd6","last_reissued_at":"2026-05-18T00:06:24.876716Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:24.876716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.00977","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":"2026-05-18T00:06:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FyF0XD3Q12xlkeUzP7Ac2w/OOvIyNBm+g0HAqo/9t62YiuXg3YbPEA/OnCHWTxhWyXUo1uk1W6nXgNX+bEb9Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T05:08:21.839761Z"},"content_sha256":"f172d3abc3b73a8eb876094fabbffa1802b3c6c1d4dede3b0488e6d474b73b8f","schema_version":"1.0","event_id":"sha256:f172d3abc3b73a8eb876094fabbffa1802b3c6c1d4dede3b0488e6d474b73b8f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VHN2J56BTII3E22YK6PS44BFTT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring Users' Perception of Collaborative Explanation Styles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC"],"primary_cat":"cs.IR","authors_text":"Laurens Rook, Ludovik Coba, Markus Zanker, Panagiotis Symeonidis","submitted_at":"2018-05-02T18:45:32Z","abstract_excerpt":"Collaborative filtering systems heavily depend on user feedback expressed in product ratings to select and rank items to recommend. In this study we explore how users value different collaborative explanation styles following the user-based or item-based paradigm. Furthermore, we explore how the characteristics of these rating summarizations, like the total number of ratings and the mean rating value, influence the decisions of online users. Results, based on a choice-based conjoint experimental design, show that the mean indicator has a higher impact compared to the total number of ratings. F"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00977","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":"2026-05-18T00:06:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hhfMxi5Ok65QfbprcJqYPmFQ9Bdmw6V8Rkj8ZkuqzjD8dvtlr1XFJnV2j7KsNJORAtoQt4VKKtejGOVsNRzXAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T05:08:21.840094Z"},"content_sha256":"4ccf730c980025606cf78ecce840e95762dd354f35146e83449dc939d14673df","schema_version":"1.0","event_id":"sha256:4ccf730c980025606cf78ecce840e95762dd354f35146e83449dc939d14673df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VHN2J56BTII3E22YK6PS44BFTT/bundle.json","state_url":"https://pith.science/pith/VHN2J56BTII3E22YK6PS44BFTT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VHN2J56BTII3E22YK6PS44BFTT/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":"2026-06-25T05:08:21Z","links":{"resolver":"https://pith.science/pith/VHN2J56BTII3E22YK6PS44BFTT","bundle":"https://pith.science/pith/VHN2J56BTII3E22YK6PS44BFTT/bundle.json","state":"https://pith.science/pith/VHN2J56BTII3E22YK6PS44BFTT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VHN2J56BTII3E22YK6PS44BFTT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VHN2J56BTII3E22YK6PS44BFTT","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":"cfaa71ef1260a3cb9961f5fb1921709d214e27145196a624817248797c38a086","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-05-02T18:45:32Z","title_canon_sha256":"4501bbf8de98d7bdca17434a02d2b2271bfe7460fbe236d1acdd78ff3b773ca3"},"schema_version":"1.0","source":{"id":"1805.00977","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00977","created_at":"2026-05-18T00:06:24Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00977v1","created_at":"2026-05-18T00:06:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00977","created_at":"2026-05-18T00:06:24Z"},{"alias_kind":"pith_short_12","alias_value":"VHN2J56BTII3","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VHN2J56BTII3E22Y","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VHN2J56B","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:4ccf730c980025606cf78ecce840e95762dd354f35146e83449dc939d14673df","target":"graph","created_at":"2026-05-18T00:06:24Z","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":"Collaborative filtering systems heavily depend on user feedback expressed in product ratings to select and rank items to recommend. In this study we explore how users value different collaborative explanation styles following the user-based or item-based paradigm. Furthermore, we explore how the characteristics of these rating summarizations, like the total number of ratings and the mean rating value, influence the decisions of online users. Results, based on a choice-based conjoint experimental design, show that the mean indicator has a higher impact compared to the total number of ratings. F","authors_text":"Laurens Rook, Ludovik Coba, Markus Zanker, Panagiotis Symeonidis","cross_cats":["cs.HC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-05-02T18:45:32Z","title":"Exploring Users' Perception of Collaborative Explanation Styles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00977","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:f172d3abc3b73a8eb876094fabbffa1802b3c6c1d4dede3b0488e6d474b73b8f","target":"record","created_at":"2026-05-18T00:06:24Z","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":"cfaa71ef1260a3cb9961f5fb1921709d214e27145196a624817248797c38a086","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-05-02T18:45:32Z","title_canon_sha256":"4501bbf8de98d7bdca17434a02d2b2271bfe7460fbe236d1acdd78ff3b773ca3"},"schema_version":"1.0","source":{"id":"1805.00977","kind":"arxiv","version":1}},"canonical_sha256":"a9dba4f7c19a11b26b58579f2e70259ced001eb2f87ed2dac1fbdc7d2a173dd6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9dba4f7c19a11b26b58579f2e70259ced001eb2f87ed2dac1fbdc7d2a173dd6","first_computed_at":"2026-05-18T00:06:24.876716Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:24.876716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zXo6g+5R0Ifg3suC7uGVgte8tuT+K8FF/opehkRMXAbYLorVlqrftMWovNRL7BTxLhsxFczIcZCmptDaxH5xDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:24.877278Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.00977","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f172d3abc3b73a8eb876094fabbffa1802b3c6c1d4dede3b0488e6d474b73b8f","sha256:4ccf730c980025606cf78ecce840e95762dd354f35146e83449dc939d14673df"],"state_sha256":"14683c370e4c1d1cc55efa6743661df37c2c499d8d02cb1bb245b11a4203ea01"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xcRwBKeccd1Rb+fgahrrzkUYLXpTxpz7bcPD926Fl4/ijbwDVfQZtjcNW3aH9XgrK4Ok/IvEauvH3CCT88xuBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T05:08:21.842030Z","bundle_sha256":"efbb23a951a9e42e53a79f9d759e6e396eaae59608bbc237bb96c9fbee54fef6"}}