{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:LN333OKLRI3W4JKIG2GB7OSBMQ","short_pith_number":"pith:LN333OKL","canonical_record":{"source":{"id":"1709.02664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-09-08T11:55:00Z","cross_cats_sorted":[],"title_canon_sha256":"b3608cf95e46f1bedb207f5e3f9dc144099044defdf84f115242c7dca6c9d54f","abstract_canon_sha256":"1bd566143897c8b423192fb21b5d129cbac16a600463479bf277bf70122906fe"},"schema_version":"1.0"},"canonical_sha256":"5b77bdb94b8a376e2548368c1fba41640cae7735365a66ff71ea597fa9c33fee","source":{"kind":"arxiv","id":"1709.02664","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.02664","created_at":"2026-05-18T00:35:45Z"},{"alias_kind":"arxiv_version","alias_value":"1709.02664v1","created_at":"2026-05-18T00:35:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.02664","created_at":"2026-05-18T00:35:45Z"},{"alias_kind":"pith_short_12","alias_value":"LN333OKLRI3W","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LN333OKLRI3W4JKI","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LN333OKL","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:LN333OKLRI3W4JKIG2GB7OSBMQ","target":"record","payload":{"canonical_record":{"source":{"id":"1709.02664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-09-08T11:55:00Z","cross_cats_sorted":[],"title_canon_sha256":"b3608cf95e46f1bedb207f5e3f9dc144099044defdf84f115242c7dca6c9d54f","abstract_canon_sha256":"1bd566143897c8b423192fb21b5d129cbac16a600463479bf277bf70122906fe"},"schema_version":"1.0"},"canonical_sha256":"5b77bdb94b8a376e2548368c1fba41640cae7735365a66ff71ea597fa9c33fee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:45.115106Z","signature_b64":"KUNxJV3audOjenCMRCOOlIb3MO1mIBGUDC6qolLoU4xazFn8spJXTfVUFLuE5Uld6JJhNX0DuRt4FibN6dYMCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b77bdb94b8a376e2548368c1fba41640cae7735365a66ff71ea597fa9c33fee","last_reissued_at":"2026-05-18T00:35:45.114618Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:45.114618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.02664","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":"2026-05-18T00:35:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SBzK1GW2NXMHqqBrAx5De14u/pNSsyDyUSdtUJVyio1twBjge5tt+m0SLkRYt4DocIKhSVsEqUtaitKwVplaCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:54:01.473030Z"},"content_sha256":"1e41b337a57002de813dd11e1e8de8916c8180e6b326b748729f0d500e80fc61","schema_version":"1.0","event_id":"sha256:1e41b337a57002de813dd11e1e8de8916c8180e6b326b748729f0d500e80fc61"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:LN333OKLRI3W4JKIG2GB7OSBMQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-level Feedback Web Links Selection Problem: Learning and Optimization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"John C.S. Lui, Kechao Cai, Kun Chen, Longbo Huang","submitted_at":"2017-09-08T11:55:00Z","abstract_excerpt":"Selecting the right web links for a website is important because appropriate links not only can provide high attractiveness but can also increase the website's revenue. In this work, we first show that web links have an intrinsic \\emph{multi-level feedback structure}. For example, consider a $2$-level feedback web link: the $1$st level feedback provides the Click-Through Rate (CTR) and the $2$nd level feedback provides the potential revenue, which collectively produce the compound $2$-level revenue. We consider the context-free links selection problem of selecting links for a homepage so as to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.02664","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":"2026-05-18T00:35:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+XYUim8ReVQ/XFjxX1e0cnhCy3FTVwRt4uu1xPKWGShLnReqArwa+HlpjHXtrd/98JpBcXFD9cHEP3HFaKkwAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:54:01.473611Z"},"content_sha256":"7ece44573b948c6077f25666a5b5b25bd3808818103f9af75be20669be2a081a","schema_version":"1.0","event_id":"sha256:7ece44573b948c6077f25666a5b5b25bd3808818103f9af75be20669be2a081a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LN333OKLRI3W4JKIG2GB7OSBMQ/bundle.json","state_url":"https://pith.science/pith/LN333OKLRI3W4JKIG2GB7OSBMQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LN333OKLRI3W4JKIG2GB7OSBMQ/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":"2026-06-07T09:54:01Z","links":{"resolver":"https://pith.science/pith/LN333OKLRI3W4JKIG2GB7OSBMQ","bundle":"https://pith.science/pith/LN333OKLRI3W4JKIG2GB7OSBMQ/bundle.json","state":"https://pith.science/pith/LN333OKLRI3W4JKIG2GB7OSBMQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LN333OKLRI3W4JKIG2GB7OSBMQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:LN333OKLRI3W4JKIG2GB7OSBMQ","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":"1bd566143897c8b423192fb21b5d129cbac16a600463479bf277bf70122906fe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-09-08T11:55:00Z","title_canon_sha256":"b3608cf95e46f1bedb207f5e3f9dc144099044defdf84f115242c7dca6c9d54f"},"schema_version":"1.0","source":{"id":"1709.02664","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.02664","created_at":"2026-05-18T00:35:45Z"},{"alias_kind":"arxiv_version","alias_value":"1709.02664v1","created_at":"2026-05-18T00:35:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.02664","created_at":"2026-05-18T00:35:45Z"},{"alias_kind":"pith_short_12","alias_value":"LN333OKLRI3W","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LN333OKLRI3W4JKI","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LN333OKL","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:7ece44573b948c6077f25666a5b5b25bd3808818103f9af75be20669be2a081a","target":"graph","created_at":"2026-05-18T00:35:45Z","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":"Selecting the right web links for a website is important because appropriate links not only can provide high attractiveness but can also increase the website's revenue. In this work, we first show that web links have an intrinsic \\emph{multi-level feedback structure}. For example, consider a $2$-level feedback web link: the $1$st level feedback provides the Click-Through Rate (CTR) and the $2$nd level feedback provides the potential revenue, which collectively produce the compound $2$-level revenue. We consider the context-free links selection problem of selecting links for a homepage so as to","authors_text":"John C.S. Lui, Kechao Cai, Kun Chen, Longbo Huang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-09-08T11:55:00Z","title":"Multi-level Feedback Web Links Selection Problem: Learning and Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.02664","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":"sha256:1e41b337a57002de813dd11e1e8de8916c8180e6b326b748729f0d500e80fc61","target":"record","created_at":"2026-05-18T00:35:45Z","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":"1bd566143897c8b423192fb21b5d129cbac16a600463479bf277bf70122906fe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-09-08T11:55:00Z","title_canon_sha256":"b3608cf95e46f1bedb207f5e3f9dc144099044defdf84f115242c7dca6c9d54f"},"schema_version":"1.0","source":{"id":"1709.02664","kind":"arxiv","version":1}},"canonical_sha256":"5b77bdb94b8a376e2548368c1fba41640cae7735365a66ff71ea597fa9c33fee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b77bdb94b8a376e2548368c1fba41640cae7735365a66ff71ea597fa9c33fee","first_computed_at":"2026-05-18T00:35:45.114618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:45.114618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KUNxJV3audOjenCMRCOOlIb3MO1mIBGUDC6qolLoU4xazFn8spJXTfVUFLuE5Uld6JJhNX0DuRt4FibN6dYMCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:45.115106Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.02664","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e41b337a57002de813dd11e1e8de8916c8180e6b326b748729f0d500e80fc61","sha256:7ece44573b948c6077f25666a5b5b25bd3808818103f9af75be20669be2a081a"],"state_sha256":"7026fdf1691d431789f05eb63badb7584626bcfa45375c75c1ec9f97459880f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UJG+P9XE2mbTUoI81f3+USThvsUq8j1s7Y8wQFzOqHDqcdpgcwJ7ONWKkk8dhojO2e2nDJPsEn3dDCIIHt57BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T09:54:01.476870Z","bundle_sha256":"364a0bb2fce28f6a7bf5d33b82acae04b514f4947572ad53738d6f2112d8ab42"}}