{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:HES2BWABLFOPP5DI73UIW67UOQ","short_pith_number":"pith:HES2BWAB","canonical_record":{"source":{"id":"2606.21897","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-06-20T06:30:21Z","cross_cats_sorted":[],"title_canon_sha256":"91781bde42c2b14ae031951e387bdb5b3bd0d452731621d080646c211aa00267","abstract_canon_sha256":"2cc4f8770c6ff2e1c373ef20e28e604b087f1bb096a628f629b19be9bd0251c5"},"schema_version":"1.0"},"canonical_sha256":"3925a0d801595cf7f468fee88b7bf4742a930da9ad858948a4bd95878f1da843","source":{"kind":"arxiv","id":"2606.21897","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21897","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21897v1","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21897","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"pith_short_12","alias_value":"HES2BWABLFOP","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"pith_short_16","alias_value":"HES2BWABLFOPP5DI","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"pith_short_8","alias_value":"HES2BWAB","created_at":"2026-06-23T02:13:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:HES2BWABLFOPP5DI73UIW67UOQ","target":"record","payload":{"canonical_record":{"source":{"id":"2606.21897","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-06-20T06:30:21Z","cross_cats_sorted":[],"title_canon_sha256":"91781bde42c2b14ae031951e387bdb5b3bd0d452731621d080646c211aa00267","abstract_canon_sha256":"2cc4f8770c6ff2e1c373ef20e28e604b087f1bb096a628f629b19be9bd0251c5"},"schema_version":"1.0"},"canonical_sha256":"3925a0d801595cf7f468fee88b7bf4742a930da9ad858948a4bd95878f1da843","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T02:13:02.261392Z","signature_b64":"aW5A4S7aypeaTsb26eVl/mVy3kwMNXmiZNSHnH8rcC6c075/rBs+1VvcL4Av/Wj1Axpj/NwTR7JRLSljR2l/Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3925a0d801595cf7f468fee88b7bf4742a930da9ad858948a4bd95878f1da843","last_reissued_at":"2026-06-23T02:13:02.261031Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T02:13:02.261031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.21897","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":"2026-06-23T02:13:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fXC2AFWBykzcfWgNfBARm4Acdz4lStOtiBN3YvmrHNShg9/7g0s0GXNrK1R3xSOxUAVNrbCwJe4OriIgTI9TBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T20:25:21.170588Z"},"content_sha256":"9c6871ed1e63e431e40e34b3f4b6137e59e4effc767ba2943062614575d07002","schema_version":"1.0","event_id":"sha256:9c6871ed1e63e431e40e34b3f4b6137e59e4effc767ba2943062614575d07002"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:HES2BWABLFOPP5DI73UIW67UOQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating Public Transit Fare Policies in NYC: An Efficient, Socioeconomic-Aware Framework","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CE","authors_text":"Andreas Z\\\"ufle, Hossein Amiri, Joon-Seok Kim, Jooyoung Yoo, Kiara Ha, Lina Li, Parker Wischhover","submitted_at":"2026-06-20T06:30:21Z","abstract_excerpt":"Designing equitable and effective public transit fare policies is challenging due to complex interactions among traveler behavior, multimodal networks, and socioeconomic heterogeneity. This paper presents a scalable, data-driven simulation framework for evaluating transit fare policies in New York City (NYC), integrating a synthetic population, agent-based simulation, multimodal travel-time estimation, and fare-sensitive mode choice modeling. We evaluate multiple fare scenarios, including distance-based pricing, fare increases, and fare-free bus policies. Results show that pricing changes mode"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21897","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.21897/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":"2026-06-23T02:13:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6B6/qivMh5tVqWV+zFIb98v2p8irDpuvPYMdTxJYYvuHkWezaxFH3OR+xXe+PFQHo137Wi/wxQTKpAnqgnlVCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T20:25:21.170963Z"},"content_sha256":"3c79f08f97bd2c2c5c450aa7c321209b09bef423a9c316fbd76312bf27832d71","schema_version":"1.0","event_id":"sha256:3c79f08f97bd2c2c5c450aa7c321209b09bef423a9c316fbd76312bf27832d71"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HES2BWABLFOPP5DI73UIW67UOQ/bundle.json","state_url":"https://pith.science/pith/HES2BWABLFOPP5DI73UIW67UOQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HES2BWABLFOPP5DI73UIW67UOQ/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":"2026-06-24T20:25:21Z","links":{"resolver":"https://pith.science/pith/HES2BWABLFOPP5DI73UIW67UOQ","bundle":"https://pith.science/pith/HES2BWABLFOPP5DI73UIW67UOQ/bundle.json","state":"https://pith.science/pith/HES2BWABLFOPP5DI73UIW67UOQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HES2BWABLFOPP5DI73UIW67UOQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:HES2BWABLFOPP5DI73UIW67UOQ","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":"2cc4f8770c6ff2e1c373ef20e28e604b087f1bb096a628f629b19be9bd0251c5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-06-20T06:30:21Z","title_canon_sha256":"91781bde42c2b14ae031951e387bdb5b3bd0d452731621d080646c211aa00267"},"schema_version":"1.0","source":{"id":"2606.21897","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21897","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21897v1","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21897","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"pith_short_12","alias_value":"HES2BWABLFOP","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"pith_short_16","alias_value":"HES2BWABLFOPP5DI","created_at":"2026-06-23T02:13:02Z"},{"alias_kind":"pith_short_8","alias_value":"HES2BWAB","created_at":"2026-06-23T02:13:02Z"}],"graph_snapshots":[{"event_id":"sha256:3c79f08f97bd2c2c5c450aa7c321209b09bef423a9c316fbd76312bf27832d71","target":"graph","created_at":"2026-06-23T02:13:02Z","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/2606.21897/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Designing equitable and effective public transit fare policies is challenging due to complex interactions among traveler behavior, multimodal networks, and socioeconomic heterogeneity. This paper presents a scalable, data-driven simulation framework for evaluating transit fare policies in New York City (NYC), integrating a synthetic population, agent-based simulation, multimodal travel-time estimation, and fare-sensitive mode choice modeling. We evaluate multiple fare scenarios, including distance-based pricing, fare increases, and fare-free bus policies. Results show that pricing changes mode","authors_text":"Andreas Z\\\"ufle, Hossein Amiri, Joon-Seok Kim, Jooyoung Yoo, Kiara Ha, Lina Li, Parker Wischhover","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-06-20T06:30:21Z","title":"Simulating Public Transit Fare Policies in NYC: An Efficient, Socioeconomic-Aware Framework"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21897","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":"sha256:9c6871ed1e63e431e40e34b3f4b6137e59e4effc767ba2943062614575d07002","target":"record","created_at":"2026-06-23T02:13:02Z","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":"2cc4f8770c6ff2e1c373ef20e28e604b087f1bb096a628f629b19be9bd0251c5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CE","submitted_at":"2026-06-20T06:30:21Z","title_canon_sha256":"91781bde42c2b14ae031951e387bdb5b3bd0d452731621d080646c211aa00267"},"schema_version":"1.0","source":{"id":"2606.21897","kind":"arxiv","version":1}},"canonical_sha256":"3925a0d801595cf7f468fee88b7bf4742a930da9ad858948a4bd95878f1da843","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3925a0d801595cf7f468fee88b7bf4742a930da9ad858948a4bd95878f1da843","first_computed_at":"2026-06-23T02:13:02.261031Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T02:13:02.261031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aW5A4S7aypeaTsb26eVl/mVy3kwMNXmiZNSHnH8rcC6c075/rBs+1VvcL4Av/Wj1Axpj/NwTR7JRLSljR2l/Cw==","signature_status":"signed_v1","signed_at":"2026-06-23T02:13:02.261392Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.21897","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c6871ed1e63e431e40e34b3f4b6137e59e4effc767ba2943062614575d07002","sha256:3c79f08f97bd2c2c5c450aa7c321209b09bef423a9c316fbd76312bf27832d71"],"state_sha256":"fdf788bb64121bb8aa88ff996620933a8926c8379533b8d44b3bf601c06b1007"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ilzTjUiCnhnGwPPkQaFhSQmqVt8piQSsFeitxwySbLVQmX6LgeTnKrZuCOg6fPkCM01h4GTudc2C5PuAVJ7bAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T20:25:21.172922Z","bundle_sha256":"0284d72df388b9edfad915e938a05af4f7b9f32a070c08890b92d8c078846513"}}