{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:LXF4URGROM5S2IXRBCWTGGX3AT","short_pith_number":"pith:LXF4URGR","canonical_record":{"source":{"id":"1707.09258","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-07-28T14:42:34Z","cross_cats_sorted":[],"title_canon_sha256":"fe8671e430fc3896bb7d629a38f1e7926ddb06a0a7ce4e546c975143fe730cda","abstract_canon_sha256":"865e6655fb9a65b5a7e35b0fcd2be877da7db09a16b9162f0394459edebc832b"},"schema_version":"1.0"},"canonical_sha256":"5dcbca44d1733b2d22f108ad331afb04f783d7151145deb6a8cf42499f8a4fc9","source":{"kind":"arxiv","id":"1707.09258","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.09258","created_at":"2026-05-18T00:39:16Z"},{"alias_kind":"arxiv_version","alias_value":"1707.09258v1","created_at":"2026-05-18T00:39:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09258","created_at":"2026-05-18T00:39:16Z"},{"alias_kind":"pith_short_12","alias_value":"LXF4URGROM5S","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LXF4URGROM5S2IXR","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LXF4URGR","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:LXF4URGROM5S2IXRBCWTGGX3AT","target":"record","payload":{"canonical_record":{"source":{"id":"1707.09258","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-07-28T14:42:34Z","cross_cats_sorted":[],"title_canon_sha256":"fe8671e430fc3896bb7d629a38f1e7926ddb06a0a7ce4e546c975143fe730cda","abstract_canon_sha256":"865e6655fb9a65b5a7e35b0fcd2be877da7db09a16b9162f0394459edebc832b"},"schema_version":"1.0"},"canonical_sha256":"5dcbca44d1733b2d22f108ad331afb04f783d7151145deb6a8cf42499f8a4fc9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:16.640654Z","signature_b64":"+wgwL3zT+Isk1yBk7v8/W6nTfZGUGTB73Bn4V3rgO9trxO0dOJMt7wtIYsjMMquVxp3RypuRT3ODcMmErLMhBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5dcbca44d1733b2d22f108ad331afb04f783d7151145deb6a8cf42499f8a4fc9","last_reissued_at":"2026-05-18T00:39:16.639862Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:16.639862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.09258","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":"2026-05-18T00:39:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uL63YPpAPqmGTVTNq/q7G9PY84jhEpGFOubt4BJJhyjiGQGO7unDiPuxRTBTAhTFIXhny8tOFYbImc2KHTlyDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:02:38.780057Z"},"content_sha256":"35dbf3b95ed24a7b3e5cac29255f22ab24c11e6f424182070e60365fedbcf915","schema_version":"1.0","event_id":"sha256:35dbf3b95ed24a7b3e5cac29255f22ab24c11e6f424182070e60365fedbcf915"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:LXF4URGROM5S2IXRBCWTGGX3AT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Patterns of Multistakeholder Recommendation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Himan Abdollahpouri, Robin Burke","submitted_at":"2017-07-28T14:42:34Z","abstract_excerpt":"Recommender systems are personalized information systems. However, in many settings, the end-user of the recommendations is not the only party whose needs must be represented in recommendation generation. Incorporating this insight gives rise to the notion of multistakeholder recommendation, in which the interests of multiple parties are represented in recommendation algorithms and evaluation. In this paper, we identify patterns of stakeholder utility that characterize different multistakeholder recommendation applications, and provide a taxonomy of the different possible systems, only some of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09258","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":"2026-05-18T00:39:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wEwZI+HXfhB4jEIJWDWLiJ8jDu+lGB7wHKqdujUas1TVQHjm93XtxzaGD71/vOxjDi7EddYbIEHe33wpxkQYBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:02:38.780417Z"},"content_sha256":"aa499f3804bc1c7442030b2e942558b2efd9b74c461111ca4f5679ee231c4ce0","schema_version":"1.0","event_id":"sha256:aa499f3804bc1c7442030b2e942558b2efd9b74c461111ca4f5679ee231c4ce0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LXF4URGROM5S2IXRBCWTGGX3AT/bundle.json","state_url":"https://pith.science/pith/LXF4URGROM5S2IXRBCWTGGX3AT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LXF4URGROM5S2IXRBCWTGGX3AT/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":"2026-06-02T05:02:38Z","links":{"resolver":"https://pith.science/pith/LXF4URGROM5S2IXRBCWTGGX3AT","bundle":"https://pith.science/pith/LXF4URGROM5S2IXRBCWTGGX3AT/bundle.json","state":"https://pith.science/pith/LXF4URGROM5S2IXRBCWTGGX3AT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LXF4URGROM5S2IXRBCWTGGX3AT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:LXF4URGROM5S2IXRBCWTGGX3AT","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":"865e6655fb9a65b5a7e35b0fcd2be877da7db09a16b9162f0394459edebc832b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-07-28T14:42:34Z","title_canon_sha256":"fe8671e430fc3896bb7d629a38f1e7926ddb06a0a7ce4e546c975143fe730cda"},"schema_version":"1.0","source":{"id":"1707.09258","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.09258","created_at":"2026-05-18T00:39:16Z"},{"alias_kind":"arxiv_version","alias_value":"1707.09258v1","created_at":"2026-05-18T00:39:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09258","created_at":"2026-05-18T00:39:16Z"},{"alias_kind":"pith_short_12","alias_value":"LXF4URGROM5S","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LXF4URGROM5S2IXR","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LXF4URGR","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:aa499f3804bc1c7442030b2e942558b2efd9b74c461111ca4f5679ee231c4ce0","target":"graph","created_at":"2026-05-18T00:39:16Z","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":"Recommender systems are personalized information systems. However, in many settings, the end-user of the recommendations is not the only party whose needs must be represented in recommendation generation. Incorporating this insight gives rise to the notion of multistakeholder recommendation, in which the interests of multiple parties are represented in recommendation algorithms and evaluation. In this paper, we identify patterns of stakeholder utility that characterize different multistakeholder recommendation applications, and provide a taxonomy of the different possible systems, only some of","authors_text":"Himan Abdollahpouri, Robin Burke","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-07-28T14:42:34Z","title":"Patterns of Multistakeholder Recommendation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09258","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":"sha256:35dbf3b95ed24a7b3e5cac29255f22ab24c11e6f424182070e60365fedbcf915","target":"record","created_at":"2026-05-18T00:39:16Z","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":"865e6655fb9a65b5a7e35b0fcd2be877da7db09a16b9162f0394459edebc832b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2017-07-28T14:42:34Z","title_canon_sha256":"fe8671e430fc3896bb7d629a38f1e7926ddb06a0a7ce4e546c975143fe730cda"},"schema_version":"1.0","source":{"id":"1707.09258","kind":"arxiv","version":1}},"canonical_sha256":"5dcbca44d1733b2d22f108ad331afb04f783d7151145deb6a8cf42499f8a4fc9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5dcbca44d1733b2d22f108ad331afb04f783d7151145deb6a8cf42499f8a4fc9","first_computed_at":"2026-05-18T00:39:16.639862Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:16.639862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+wgwL3zT+Isk1yBk7v8/W6nTfZGUGTB73Bn4V3rgO9trxO0dOJMt7wtIYsjMMquVxp3RypuRT3ODcMmErLMhBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:16.640654Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.09258","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35dbf3b95ed24a7b3e5cac29255f22ab24c11e6f424182070e60365fedbcf915","sha256:aa499f3804bc1c7442030b2e942558b2efd9b74c461111ca4f5679ee231c4ce0"],"state_sha256":"9eae96c9dbf7cb6b331b312b41d0b3374e3446e2487db09ae9859c9daf476be4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xrTN9cElDMPlNT6wSGV9Ifc+JJpAGu5PV1a9NRtpu7vgXz7dFSU8RD6se3MuqnlkRixzdnZTBsJQ4dfIWYzyDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:02:38.782388Z","bundle_sha256":"edc2c6eb89f56e9cd5c2da1df2268f374f06c8854cbe88026fd51b311405ffa7"}}