{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FCLZANSDICA7NJQVBSHTONE7I4","short_pith_number":"pith:FCLZANSD","canonical_record":{"source":{"id":"1512.05868","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2015-12-18T07:48:16Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"fa5b14a4fdaefffb02be67db6e255d537910f1db5354a34a64c33f7a1ea87fe0","abstract_canon_sha256":"c3487b8706c12d335c263feebdaf96e6dfff986b02a2bfffcf3b67f61932ccda"},"schema_version":"1.0"},"canonical_sha256":"28979036434081f6a6150c8f37349f473831ae6a5fbfde6be89c6e94cf54bf83","source":{"kind":"arxiv","id":"1512.05868","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05868","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05868v1","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05868","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"FCLZANSDICA7","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FCLZANSDICA7NJQV","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FCLZANSD","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FCLZANSDICA7NJQVBSHTONE7I4","target":"record","payload":{"canonical_record":{"source":{"id":"1512.05868","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2015-12-18T07:48:16Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"fa5b14a4fdaefffb02be67db6e255d537910f1db5354a34a64c33f7a1ea87fe0","abstract_canon_sha256":"c3487b8706c12d335c263feebdaf96e6dfff986b02a2bfffcf3b67f61932ccda"},"schema_version":"1.0"},"canonical_sha256":"28979036434081f6a6150c8f37349f473831ae6a5fbfde6be89c6e94cf54bf83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:44.017996Z","signature_b64":"YHkwVZ5rKnrL4Ag62ilBiT2otS3BY5+9mvvNfeJkh69cyxpUDsPN43vzcd4eqPgU9DmNK59mHrKUviasCLBZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28979036434081f6a6150c8f37349f473831ae6a5fbfde6be89c6e94cf54bf83","last_reissued_at":"2026-05-18T01:23:44.017353Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:44.017353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.05868","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":"2026-05-18T01:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xuYThgOM4GLAt6+zxYxsyqqbCsbG/6A6+acT0RzL1H/JfBhEbldyTiILdPuGJjqQ1sT1nHSHBA5ovqzpnzPvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:07:42.740724Z"},"content_sha256":"e7c1666bf8ef499b235121ccf47d3a366c31778032cbd158cce193b643cd8047","schema_version":"1.0","event_id":"sha256:e7c1666bf8ef499b235121ccf47d3a366c31778032cbd158cce193b643cd8047"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FCLZANSDICA7NJQVBSHTONE7I4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On Voting and Facility Location","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.GT","authors_text":"Amos Fiat, Iddan Golomb, Michal Feldman","submitted_at":"2015-12-18T07:48:16Z","abstract_excerpt":"We study mechanisms for candidate selection that seek to minimize the social cost, where voters and candidates are associated with points in some underlying metric space. The social cost of a candidate is the sum of its distances to each voter. Some of our work assumes that these points can be modeled on a real line, but other results of ours are more general.\n  A question closely related to candidate selection is that of minimizing the sum of distances for facility location. The difference is that in our setting there is a fixed set of candidates, whereas the large body of work on facility lo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05868","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":"2026-05-18T01:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WJliyeCeBFKJJH+cfQSQPdx+4eMu1q2UwJjBjyqZ1CO9XKkUh0x1ENZYBrHjmCVw+3L0SiWYPXmmcY3lCsjcCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:07:42.741498Z"},"content_sha256":"4cef9c94dd54931ca4ed037e83a65697e781da54c14858a5eeaae410b303156f","schema_version":"1.0","event_id":"sha256:4cef9c94dd54931ca4ed037e83a65697e781da54c14858a5eeaae410b303156f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FCLZANSDICA7NJQVBSHTONE7I4/bundle.json","state_url":"https://pith.science/pith/FCLZANSDICA7NJQVBSHTONE7I4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FCLZANSDICA7NJQVBSHTONE7I4/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":"2026-06-11T08:07:42Z","links":{"resolver":"https://pith.science/pith/FCLZANSDICA7NJQVBSHTONE7I4","bundle":"https://pith.science/pith/FCLZANSDICA7NJQVBSHTONE7I4/bundle.json","state":"https://pith.science/pith/FCLZANSDICA7NJQVBSHTONE7I4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FCLZANSDICA7NJQVBSHTONE7I4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FCLZANSDICA7NJQVBSHTONE7I4","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":"c3487b8706c12d335c263feebdaf96e6dfff986b02a2bfffcf3b67f61932ccda","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2015-12-18T07:48:16Z","title_canon_sha256":"fa5b14a4fdaefffb02be67db6e255d537910f1db5354a34a64c33f7a1ea87fe0"},"schema_version":"1.0","source":{"id":"1512.05868","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05868","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05868v1","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05868","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"FCLZANSDICA7","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FCLZANSDICA7NJQV","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FCLZANSD","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:4cef9c94dd54931ca4ed037e83a65697e781da54c14858a5eeaae410b303156f","target":"graph","created_at":"2026-05-18T01:23:44Z","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":"We study mechanisms for candidate selection that seek to minimize the social cost, where voters and candidates are associated with points in some underlying metric space. The social cost of a candidate is the sum of its distances to each voter. Some of our work assumes that these points can be modeled on a real line, but other results of ours are more general.\n  A question closely related to candidate selection is that of minimizing the sum of distances for facility location. The difference is that in our setting there is a fixed set of candidates, whereas the large body of work on facility lo","authors_text":"Amos Fiat, Iddan Golomb, Michal Feldman","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2015-12-18T07:48:16Z","title":"On Voting and Facility Location"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05868","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:e7c1666bf8ef499b235121ccf47d3a366c31778032cbd158cce193b643cd8047","target":"record","created_at":"2026-05-18T01:23:44Z","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":"c3487b8706c12d335c263feebdaf96e6dfff986b02a2bfffcf3b67f61932ccda","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2015-12-18T07:48:16Z","title_canon_sha256":"fa5b14a4fdaefffb02be67db6e255d537910f1db5354a34a64c33f7a1ea87fe0"},"schema_version":"1.0","source":{"id":"1512.05868","kind":"arxiv","version":1}},"canonical_sha256":"28979036434081f6a6150c8f37349f473831ae6a5fbfde6be89c6e94cf54bf83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28979036434081f6a6150c8f37349f473831ae6a5fbfde6be89c6e94cf54bf83","first_computed_at":"2026-05-18T01:23:44.017353Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:44.017353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YHkwVZ5rKnrL4Ag62ilBiT2otS3BY5+9mvvNfeJkh69cyxpUDsPN43vzcd4eqPgU9DmNK59mHrKUviasCLBZBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:44.017996Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.05868","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7c1666bf8ef499b235121ccf47d3a366c31778032cbd158cce193b643cd8047","sha256:4cef9c94dd54931ca4ed037e83a65697e781da54c14858a5eeaae410b303156f"],"state_sha256":"5d2412d070b6248c122e6383f72c68ffee41577432ecec4104e090342a722712"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W9DbXMZhqP21KeIZ8tSCXCYmPECcqRwdAEJSZMBHZ87yfAJoan03Fv+Vme8J9QY4KclmQ2WBsnSNiljP9faMCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T08:07:42.745826Z","bundle_sha256":"94e4d6b70ef621f36d0e74c677f9f0bfe8dda59273014a90efd2ba539abb114b"}}