{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:VQYO6M7F2HGKZXPZBONIYC4PWQ","short_pith_number":"pith:VQYO6M7F","canonical_record":{"source":{"id":"1903.12478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-27T18:00:01Z","cross_cats_sorted":["math.OC"],"title_canon_sha256":"363df22ad75119bca1b37991e9e6aaea078bf6b0e584045ca43dc85912f23bc5","abstract_canon_sha256":"997b07dff84c76f5c493a500dc1350d3f6124c63c836b1e6ebb0414016dd8a2a"},"schema_version":"1.0"},"canonical_sha256":"ac30ef33e5d1ccacddf90b9a8c0b8fb429c3f1900312d7e77f084225b35e32df","source":{"kind":"arxiv","id":"1903.12478","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.12478","created_at":"2026-05-17T23:40:32Z"},{"alias_kind":"arxiv_version","alias_value":"1903.12478v1","created_at":"2026-05-17T23:40:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.12478","created_at":"2026-05-17T23:40:32Z"},{"alias_kind":"pith_short_12","alias_value":"VQYO6M7F2HGK","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VQYO6M7F2HGKZXPZ","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VQYO6M7F","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:VQYO6M7F2HGKZXPZBONIYC4PWQ","target":"record","payload":{"canonical_record":{"source":{"id":"1903.12478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-27T18:00:01Z","cross_cats_sorted":["math.OC"],"title_canon_sha256":"363df22ad75119bca1b37991e9e6aaea078bf6b0e584045ca43dc85912f23bc5","abstract_canon_sha256":"997b07dff84c76f5c493a500dc1350d3f6124c63c836b1e6ebb0414016dd8a2a"},"schema_version":"1.0"},"canonical_sha256":"ac30ef33e5d1ccacddf90b9a8c0b8fb429c3f1900312d7e77f084225b35e32df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:32.885474Z","signature_b64":"JAMWR0Qoz6750LIp9LB3viVjbTDeJAop6rdQ6SVgEr8hVud9a26zCOaYiTsgnEcIg61iUyheLaZEjC/i0br8CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac30ef33e5d1ccacddf90b9a8c0b8fb429c3f1900312d7e77f084225b35e32df","last_reissued_at":"2026-05-17T23:40:32.884983Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:32.884983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.12478","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":"2026-05-17T23:40:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BU9PMlQoZpykGkRcoKp3TCvDcFAHxRV/bm2SsylNYok1tye93FQRlNFXa6k9v+fGDJSq9TXpcIChQBQjjnUPDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T19:53:47.937822Z"},"content_sha256":"a29f6d30994704121a0d4fc3bfd41f93002beb43e28df29a337024a25044af9d","schema_version":"1.0","event_id":"sha256:a29f6d30994704121a0d4fc3bfd41f93002beb43e28df29a337024a25044af9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:VQYO6M7F2HGKZXPZBONIYC4PWQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Item Listing Optimization for E-commerce Websites based on Diversity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.OC"],"primary_cat":"quant-ph","authors_text":"Koji Suganuma, Kotaro Tanahashi, Masamichi J. Miyama, Masayuki Ohzeki, Naoki Nishimura","submitted_at":"2019-03-27T18:00:01Z","abstract_excerpt":"For e-commerce websites, deciding the manner in which items are listed on webpages is an important issue because it can dramatically affect item sales. One of the simplest strategies of listing items to improve the overall sales is to do so in a descending order of sales or sales numbers. However, in lists generated using this strategy, items with high similarity are often placed consecutively. In other words, the generated item list might be biased toward a specific preference. Therefore, this study employs penalties for items with high similarity being placed next to each other in the list a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.12478","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":"2026-05-17T23:40:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xBHVzmr3nEtlWMoi/qmBvlot4D16Lex/n0FklCY5XtMyeK2rmetzY9a6wnAxLM0kjnjJVbVe0S8v6zbLKv0wAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T19:53:47.938124Z"},"content_sha256":"4169229c7f6fe38790bdd436d3eb324fa351706fc797dd6ec6aff8bb098b3905","schema_version":"1.0","event_id":"sha256:4169229c7f6fe38790bdd436d3eb324fa351706fc797dd6ec6aff8bb098b3905"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VQYO6M7F2HGKZXPZBONIYC4PWQ/bundle.json","state_url":"https://pith.science/pith/VQYO6M7F2HGKZXPZBONIYC4PWQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VQYO6M7F2HGKZXPZBONIYC4PWQ/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":"2026-08-14T19:53:47Z","links":{"resolver":"https://pith.science/pith/VQYO6M7F2HGKZXPZBONIYC4PWQ","bundle":"https://pith.science/pith/VQYO6M7F2HGKZXPZBONIYC4PWQ/bundle.json","state":"https://pith.science/pith/VQYO6M7F2HGKZXPZBONIYC4PWQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VQYO6M7F2HGKZXPZBONIYC4PWQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:VQYO6M7F2HGKZXPZBONIYC4PWQ","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":"997b07dff84c76f5c493a500dc1350d3f6124c63c836b1e6ebb0414016dd8a2a","cross_cats_sorted":["math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-27T18:00:01Z","title_canon_sha256":"363df22ad75119bca1b37991e9e6aaea078bf6b0e584045ca43dc85912f23bc5"},"schema_version":"1.0","source":{"id":"1903.12478","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.12478","created_at":"2026-05-17T23:40:32Z"},{"alias_kind":"arxiv_version","alias_value":"1903.12478v1","created_at":"2026-05-17T23:40:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.12478","created_at":"2026-05-17T23:40:32Z"},{"alias_kind":"pith_short_12","alias_value":"VQYO6M7F2HGK","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VQYO6M7F2HGKZXPZ","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VQYO6M7F","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:4169229c7f6fe38790bdd436d3eb324fa351706fc797dd6ec6aff8bb098b3905","target":"graph","created_at":"2026-05-17T23:40:32Z","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":"For e-commerce websites, deciding the manner in which items are listed on webpages is an important issue because it can dramatically affect item sales. One of the simplest strategies of listing items to improve the overall sales is to do so in a descending order of sales or sales numbers. However, in lists generated using this strategy, items with high similarity are often placed consecutively. In other words, the generated item list might be biased toward a specific preference. Therefore, this study employs penalties for items with high similarity being placed next to each other in the list a","authors_text":"Koji Suganuma, Kotaro Tanahashi, Masamichi J. Miyama, Masayuki Ohzeki, Naoki Nishimura","cross_cats":["math.OC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-27T18:00:01Z","title":"Item Listing Optimization for E-commerce Websites based on Diversity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.12478","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:a29f6d30994704121a0d4fc3bfd41f93002beb43e28df29a337024a25044af9d","target":"record","created_at":"2026-05-17T23:40:32Z","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":"997b07dff84c76f5c493a500dc1350d3f6124c63c836b1e6ebb0414016dd8a2a","cross_cats_sorted":["math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-27T18:00:01Z","title_canon_sha256":"363df22ad75119bca1b37991e9e6aaea078bf6b0e584045ca43dc85912f23bc5"},"schema_version":"1.0","source":{"id":"1903.12478","kind":"arxiv","version":1}},"canonical_sha256":"ac30ef33e5d1ccacddf90b9a8c0b8fb429c3f1900312d7e77f084225b35e32df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac30ef33e5d1ccacddf90b9a8c0b8fb429c3f1900312d7e77f084225b35e32df","first_computed_at":"2026-05-17T23:40:32.884983Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:32.884983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JAMWR0Qoz6750LIp9LB3viVjbTDeJAop6rdQ6SVgEr8hVud9a26zCOaYiTsgnEcIg61iUyheLaZEjC/i0br8CA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:32.885474Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.12478","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a29f6d30994704121a0d4fc3bfd41f93002beb43e28df29a337024a25044af9d","sha256:4169229c7f6fe38790bdd436d3eb324fa351706fc797dd6ec6aff8bb098b3905"],"state_sha256":"f494535078867d412064cad97b6c52ae5f95cae937248d43296a11ebdf23b147"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GSlYXGizRHKDpRmFZMxr2kZVw2HPUmIDAdIoxvZlfZ/TzBKPgT4JMgWFjG0eHnRDbg+wdrzw6p9Emt8qrVh1BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T19:53:47.942149Z","bundle_sha256":"ed424537db7f2687c68b343b9304fd0ced137892972f5d165abef10b1f09069c"}}