{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:DPNVFZDQD6SVJA55YBWT4TAZWM","short_pith_number":"pith:DPNVFZDQ","canonical_record":{"source":{"id":"2303.03642","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2023-03-07T04:19:47Z","cross_cats_sorted":["econ.TH"],"title_canon_sha256":"2d7c2165ba41232875e64ea7b4de2384f33b7ba0609f7373136d3256ddea43be","abstract_canon_sha256":"6dcd160045a5ce0cb974a25a9671979eddb067f2605e2016170374266afc2ceb"},"schema_version":"1.0"},"canonical_sha256":"1bdb52e4701fa55483bdc06d3e4c19b315d174c730a88c336af54897d427c564","source":{"kind":"arxiv","id":"2303.03642","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.03642","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"arxiv_version","alias_value":"2303.03642v3","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.03642","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"pith_short_12","alias_value":"DPNVFZDQD6SV","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"DPNVFZDQD6SVJA55","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"DPNVFZDQ","created_at":"2026-07-05T07:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:DPNVFZDQD6SVJA55YBWT4TAZWM","target":"record","payload":{"canonical_record":{"source":{"id":"2303.03642","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2023-03-07T04:19:47Z","cross_cats_sorted":["econ.TH"],"title_canon_sha256":"2d7c2165ba41232875e64ea7b4de2384f33b7ba0609f7373136d3256ddea43be","abstract_canon_sha256":"6dcd160045a5ce0cb974a25a9671979eddb067f2605e2016170374266afc2ceb"},"schema_version":"1.0"},"canonical_sha256":"1bdb52e4701fa55483bdc06d3e4c19b315d174c730a88c336af54897d427c564","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:27:43.726378Z","signature_b64":"kWLJiU32kQTdSh1HGkfnwqjHwnVQZWe8cQwZ7+tvlA2rDtu+FTfpDektRFzPjaqtZUTicM4ft84eaVMaTopYBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bdb52e4701fa55483bdc06d3e4c19b315d174c730a88c336af54897d427c564","last_reissued_at":"2026-07-05T07:27:43.725879Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:27:43.725879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.03642","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:27:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AZNc84ADDDNQ6ymzUYCJzTAjQoMI4Ui0umVaWZhHaJK4ga+RhM3fcrd0FbdpWE3pP5LQmcfWZRm58Vq04i3tCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:32:35.954370Z"},"content_sha256":"feed8888e518b7896b94724bc5157048716bd53fca9327cac73a41257c71dae9","schema_version":"1.0","event_id":"sha256:feed8888e518b7896b94724bc5157048716bd53fca9327cac73a41257c71dae9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:DPNVFZDQD6SVJA55YBWT4TAZWM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Best-of-Both-Worlds Fairness in Committee Voting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["econ.TH"],"primary_cat":"cs.GT","authors_text":"Haris Aziz, Jeremy Vollen, Mashbat Suzuki, Toby Walsh, Xinhang Lu","submitted_at":"2023-03-07T04:19:47Z","abstract_excerpt":"The best-of-both-worlds paradigm advocates an approach that achieves desirable properties both ex-ante and ex-post. We launch a best-of-both-worlds fairness perspective for the important social choice setting of approval-based committee voting. To this end, we initiate work on ex-ante proportional representation properties in this domain and formalize a hierarchy of notions including Individual Fair Share (IFS), Unanimous Fair Share (UFS), Group Fair Share (GFS), and their stronger variants. We establish their compatibility with well-studied ex-post concepts such as extended justified represen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.03642","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2303.03642/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:27:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bJdbpOolzIrax3E9SbdSP7yLGJfbXQ5O279M7MGyJk2E9SCy9EA5lh/pFvivHGB7M3vV0hCtSTcEKj5uQ6X3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:32:35.954867Z"},"content_sha256":"a1ab934eec806b4c960479d80e705b5b8be46bc75facc9483e29caa6b387cebb","schema_version":"1.0","event_id":"sha256:a1ab934eec806b4c960479d80e705b5b8be46bc75facc9483e29caa6b387cebb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DPNVFZDQD6SVJA55YBWT4TAZWM/bundle.json","state_url":"https://pith.science/pith/DPNVFZDQD6SVJA55YBWT4TAZWM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DPNVFZDQD6SVJA55YBWT4TAZWM/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":"2026-08-06T16:32:35Z","links":{"resolver":"https://pith.science/pith/DPNVFZDQD6SVJA55YBWT4TAZWM","bundle":"https://pith.science/pith/DPNVFZDQD6SVJA55YBWT4TAZWM/bundle.json","state":"https://pith.science/pith/DPNVFZDQD6SVJA55YBWT4TAZWM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DPNVFZDQD6SVJA55YBWT4TAZWM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:DPNVFZDQD6SVJA55YBWT4TAZWM","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":"6dcd160045a5ce0cb974a25a9671979eddb067f2605e2016170374266afc2ceb","cross_cats_sorted":["econ.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2023-03-07T04:19:47Z","title_canon_sha256":"2d7c2165ba41232875e64ea7b4de2384f33b7ba0609f7373136d3256ddea43be"},"schema_version":"1.0","source":{"id":"2303.03642","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.03642","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"arxiv_version","alias_value":"2303.03642v3","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.03642","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"pith_short_12","alias_value":"DPNVFZDQD6SV","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"DPNVFZDQD6SVJA55","created_at":"2026-07-05T07:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"DPNVFZDQ","created_at":"2026-07-05T07:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:a1ab934eec806b4c960479d80e705b5b8be46bc75facc9483e29caa6b387cebb","target":"graph","created_at":"2026-07-05T07:27:43Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2303.03642/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The best-of-both-worlds paradigm advocates an approach that achieves desirable properties both ex-ante and ex-post. We launch a best-of-both-worlds fairness perspective for the important social choice setting of approval-based committee voting. To this end, we initiate work on ex-ante proportional representation properties in this domain and formalize a hierarchy of notions including Individual Fair Share (IFS), Unanimous Fair Share (UFS), Group Fair Share (GFS), and their stronger variants. We establish their compatibility with well-studied ex-post concepts such as extended justified represen","authors_text":"Haris Aziz, Jeremy Vollen, Mashbat Suzuki, Toby Walsh, Xinhang Lu","cross_cats":["econ.TH"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2023-03-07T04:19:47Z","title":"Best-of-Both-Worlds Fairness in Committee Voting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.03642","kind":"arxiv","version":3},"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:feed8888e518b7896b94724bc5157048716bd53fca9327cac73a41257c71dae9","target":"record","created_at":"2026-07-05T07:27:43Z","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":"6dcd160045a5ce0cb974a25a9671979eddb067f2605e2016170374266afc2ceb","cross_cats_sorted":["econ.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2023-03-07T04:19:47Z","title_canon_sha256":"2d7c2165ba41232875e64ea7b4de2384f33b7ba0609f7373136d3256ddea43be"},"schema_version":"1.0","source":{"id":"2303.03642","kind":"arxiv","version":3}},"canonical_sha256":"1bdb52e4701fa55483bdc06d3e4c19b315d174c730a88c336af54897d427c564","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bdb52e4701fa55483bdc06d3e4c19b315d174c730a88c336af54897d427c564","first_computed_at":"2026-07-05T07:27:43.725879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:27:43.725879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kWLJiU32kQTdSh1HGkfnwqjHwnVQZWe8cQwZ7+tvlA2rDtu+FTfpDektRFzPjaqtZUTicM4ft84eaVMaTopYBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:27:43.726378Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.03642","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:feed8888e518b7896b94724bc5157048716bd53fca9327cac73a41257c71dae9","sha256:a1ab934eec806b4c960479d80e705b5b8be46bc75facc9483e29caa6b387cebb"],"state_sha256":"d71d7400e35a4e369fbdd7811a82afc2c1248107ee7668cc95c2e7f3c9b1c599"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BdN67fOYFfhXnns3bYak9ggWfrjvWxCxwtub020nShXFdaTiu/vke9zfFJgcPUxZlN2PBB+Tka4nC9JjDsbyCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:32:35.958361Z","bundle_sha256":"8974046db7620ee6c6a74203876e936b22407d1b24aa61a193786affde110410"}}