{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:CZDJYXC2I63T6P4KVTDMSLBBMI","short_pith_number":"pith:CZDJYXC2","canonical_record":{"source":{"id":"1710.07134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-10-18T12:40:12Z","cross_cats_sorted":[],"title_canon_sha256":"cdfb75c8dc9c9a819c7dec6cfb19fadfe23a49160b2e36ec15c76cfbecb8d6c9","abstract_canon_sha256":"7b4b4e7f49a844e15a30842bb8938d2223188b8af56c323985386784e068a6ff"},"schema_version":"1.0"},"canonical_sha256":"16469c5c5a47b73f3f8aacc6c92c216236f764711a0f9a993255234bb49860a7","source":{"kind":"arxiv","id":"1710.07134","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07134","created_at":"2026-05-18T00:32:26Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07134v1","created_at":"2026-05-18T00:32:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07134","created_at":"2026-05-18T00:32:26Z"},{"alias_kind":"pith_short_12","alias_value":"CZDJYXC2I63T","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CZDJYXC2I63T6P4K","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CZDJYXC2","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:CZDJYXC2I63T6P4KVTDMSLBBMI","target":"record","payload":{"canonical_record":{"source":{"id":"1710.07134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-10-18T12:40:12Z","cross_cats_sorted":[],"title_canon_sha256":"cdfb75c8dc9c9a819c7dec6cfb19fadfe23a49160b2e36ec15c76cfbecb8d6c9","abstract_canon_sha256":"7b4b4e7f49a844e15a30842bb8938d2223188b8af56c323985386784e068a6ff"},"schema_version":"1.0"},"canonical_sha256":"16469c5c5a47b73f3f8aacc6c92c216236f764711a0f9a993255234bb49860a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:26.899256Z","signature_b64":"zZr8XJxeQXs1zVVrwPfV7OEnsgZ52Uax5nJ/IApjcfoBJ1ihgSfHDgBcgnaR50RGU+98Od8nYcruvJ0rrlXqAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16469c5c5a47b73f3f8aacc6c92c216236f764711a0f9a993255234bb49860a7","last_reissued_at":"2026-05-18T00:32:26.898578Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:26.898578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.07134","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":"2026-05-18T00:32:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zRz2/zsN91M5illMjhY8NuQFnw81flFoi4MNW3otz56sCDAh1r+TaGlJ9ibwKQeY99XnLreXo4ycakAkeySnBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:13:29.416120Z"},"content_sha256":"9aeb509d0da119049d131014e7e29036a554239fe027cb69cb7169c5ff6354a1","schema_version":"1.0","event_id":"sha256:9aeb509d0da119049d131014e7e29036a554239fe027cb69cb7169c5ff6354a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:CZDJYXC2I63T6P4KVTDMSLBBMI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"UniWalk: Explainable and Accurate Recommendation for Rating and Network Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Beunguk Ahn, Haekyu Park, Hyunsik Jeon, Junghwan Kim, U Kang","submitted_at":"2017-10-18T12:40:12Z","abstract_excerpt":"How can we leverage social network data and observed ratings to correctly recommend proper items and provide a persuasive explanation for the recommendations? Many online services provide social networks among users, and it is crucial to utilize social information since recommendation by a friend is more likely to grab attention than the one from a random user. Also, explaining why items are recommended is very important in encouraging the users' actions such as actual purchases. Exploiting both ratings and social graph for recommendation, however, is not trivial because of the heterogeneity o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07134","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":"2026-05-18T00:32:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dF+3f1wovG8b4ZWdJDUm5WTHT7NJexEC70ITQsBselilNjzt3YIaII268qIIniTTQhzXl8crxwYeoak9POyyBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:13:29.416644Z"},"content_sha256":"aec0a3b539d1b6037a237dd404bfacc4a66d6ecbb095d0cb87100917e40ee95a","schema_version":"1.0","event_id":"sha256:aec0a3b539d1b6037a237dd404bfacc4a66d6ecbb095d0cb87100917e40ee95a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CZDJYXC2I63T6P4KVTDMSLBBMI/bundle.json","state_url":"https://pith.science/pith/CZDJYXC2I63T6P4KVTDMSLBBMI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CZDJYXC2I63T6P4KVTDMSLBBMI/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":"2026-05-27T08:13:29Z","links":{"resolver":"https://pith.science/pith/CZDJYXC2I63T6P4KVTDMSLBBMI","bundle":"https://pith.science/pith/CZDJYXC2I63T6P4KVTDMSLBBMI/bundle.json","state":"https://pith.science/pith/CZDJYXC2I63T6P4KVTDMSLBBMI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CZDJYXC2I63T6P4KVTDMSLBBMI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CZDJYXC2I63T6P4KVTDMSLBBMI","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":"7b4b4e7f49a844e15a30842bb8938d2223188b8af56c323985386784e068a6ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-10-18T12:40:12Z","title_canon_sha256":"cdfb75c8dc9c9a819c7dec6cfb19fadfe23a49160b2e36ec15c76cfbecb8d6c9"},"schema_version":"1.0","source":{"id":"1710.07134","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07134","created_at":"2026-05-18T00:32:26Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07134v1","created_at":"2026-05-18T00:32:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07134","created_at":"2026-05-18T00:32:26Z"},{"alias_kind":"pith_short_12","alias_value":"CZDJYXC2I63T","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CZDJYXC2I63T6P4K","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CZDJYXC2","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:aec0a3b539d1b6037a237dd404bfacc4a66d6ecbb095d0cb87100917e40ee95a","target":"graph","created_at":"2026-05-18T00:32:26Z","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":"How can we leverage social network data and observed ratings to correctly recommend proper items and provide a persuasive explanation for the recommendations? Many online services provide social networks among users, and it is crucial to utilize social information since recommendation by a friend is more likely to grab attention than the one from a random user. Also, explaining why items are recommended is very important in encouraging the users' actions such as actual purchases. Exploiting both ratings and social graph for recommendation, however, is not trivial because of the heterogeneity o","authors_text":"Beunguk Ahn, Haekyu Park, Hyunsik Jeon, Junghwan Kim, U Kang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-10-18T12:40:12Z","title":"UniWalk: Explainable and Accurate Recommendation for Rating and Network Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07134","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":"sha256:9aeb509d0da119049d131014e7e29036a554239fe027cb69cb7169c5ff6354a1","target":"record","created_at":"2026-05-18T00:32:26Z","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":"7b4b4e7f49a844e15a30842bb8938d2223188b8af56c323985386784e068a6ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-10-18T12:40:12Z","title_canon_sha256":"cdfb75c8dc9c9a819c7dec6cfb19fadfe23a49160b2e36ec15c76cfbecb8d6c9"},"schema_version":"1.0","source":{"id":"1710.07134","kind":"arxiv","version":1}},"canonical_sha256":"16469c5c5a47b73f3f8aacc6c92c216236f764711a0f9a993255234bb49860a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16469c5c5a47b73f3f8aacc6c92c216236f764711a0f9a993255234bb49860a7","first_computed_at":"2026-05-18T00:32:26.898578Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:26.898578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zZr8XJxeQXs1zVVrwPfV7OEnsgZ52Uax5nJ/IApjcfoBJ1ihgSfHDgBcgnaR50RGU+98Od8nYcruvJ0rrlXqAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:26.899256Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.07134","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9aeb509d0da119049d131014e7e29036a554239fe027cb69cb7169c5ff6354a1","sha256:aec0a3b539d1b6037a237dd404bfacc4a66d6ecbb095d0cb87100917e40ee95a"],"state_sha256":"a04d7902a5eb0ba0410d35ea35f513244748c76c3cab5ebd1fdb9dff708a87ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1aF5lHGuGxB6Zm8jSW4jjDLhY3RVkOxoC9JTuOOZ/caAX49Ti4shlA+ALZdL1d8R2q4p9bI5Ul+j4NdO9DEEDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:13:29.419446Z","bundle_sha256":"8efa54fac71df123470c61b3397d7ab50fa301a94ca496a5491edf8fadb7ab4d"}}