{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7Z7A2UQMGU2O46ACYFAN3LDPEB","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":"48fdb2f23100b972ea4530eac9d6cc07246c8bc572e75c456bfa813802371631","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2018-03-12T17:31:47Z","title_canon_sha256":"23420d0a16f8527aadf0ea0653093405217ad195429085a14a4699dc59465bb4"},"schema_version":"1.0","source":{"id":"1803.04389","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04389","created_at":"2026-05-18T00:21:29Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04389v1","created_at":"2026-05-18T00:21:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04389","created_at":"2026-05-18T00:21:29Z"},{"alias_kind":"pith_short_12","alias_value":"7Z7A2UQMGU2O","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"7Z7A2UQMGU2O46AC","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"7Z7A2UQM","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:d08edc4c8b0409b510cced33aaf57f840cca39373a9056b15cf5c8641aec03f4","target":"graph","created_at":"2026-05-18T00:21:29Z","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":"Public transport network constitutes for an indispensable part of a city by providing mobility services to the general masses. To improve ease of access and reduce infrastructural investments, public transport authorities often adopt proof of payment system. Such a system operates by eliminating ticket controls when boarding the vehicle and subjecting the travelers to random ticket checks by affiliated personnel (controllers). Although cost efficient, such a system promotes free-riders, who deliberately decide to evade fares for the transport service. A recent survey by the association of Euro","authors_text":"Abhijit Mahalunkar, Beno\\^it Garbinato, Bertil Chapuis, Vaibhav Kulkarni","cross_cats":["cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2018-03-12T17:31:47Z","title":"Addressing the Free-Rider Problem in Public Transport Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04389","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":"sha256:27bea40215d14d459571aaaa52283b88f99a78cf883094e48545d5a35261a230","target":"record","created_at":"2026-05-18T00:21:29Z","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":"48fdb2f23100b972ea4530eac9d6cc07246c8bc572e75c456bfa813802371631","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2018-03-12T17:31:47Z","title_canon_sha256":"23420d0a16f8527aadf0ea0653093405217ad195429085a14a4699dc59465bb4"},"schema_version":"1.0","source":{"id":"1803.04389","kind":"arxiv","version":1}},"canonical_sha256":"fe7e0d520c3534ee7802c140ddac6f20503c16780c7a6a5df83677ebf40e6b4e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe7e0d520c3534ee7802c140ddac6f20503c16780c7a6a5df83677ebf40e6b4e","first_computed_at":"2026-05-18T00:21:29.812613Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:29.812613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ptdSZF9yByXuwpOsyoJWiPNcCgOym1EFfjwtTOd78LmyfUORzh6oYp0UQeQnmgCiZYZk3uqhctyWHBHPrlefBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:29.813149Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.04389","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27bea40215d14d459571aaaa52283b88f99a78cf883094e48545d5a35261a230","sha256:d08edc4c8b0409b510cced33aaf57f840cca39373a9056b15cf5c8641aec03f4"],"state_sha256":"a58b66b085ca8277de3d4e7b4093bb21222bc617d8417ff82343fbb7522256db"}