{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:4ZMMYC5235VQOCHLI2U6MS7X7Y","short_pith_number":"pith:4ZMMYC52","canonical_record":{"source":{"id":"2505.11520","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2025-05-08T18:28:04Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"421f194555d7a23ecc9919d3f75309cd8d1d2089f1df7b80f5c96b89be2561e3","abstract_canon_sha256":"d82b330fb9ca9cc6f71ec8f08c0033589261909478728db0f989a575ff8000f7"},"schema_version":"1.0"},"canonical_sha256":"e658cc0bbadf6b0708eb46a9e64bf7fe2e280b977129f36c887052b3c0673a87","source":{"kind":"arxiv","id":"2505.11520","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.11520","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"arxiv_version","alias_value":"2505.11520v1","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.11520","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"pith_short_12","alias_value":"4ZMMYC5235VQ","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"pith_short_16","alias_value":"4ZMMYC5235VQOCHL","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"pith_short_8","alias_value":"4ZMMYC52","created_at":"2026-07-05T11:04:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:4ZMMYC5235VQOCHLI2U6MS7X7Y","target":"record","payload":{"canonical_record":{"source":{"id":"2505.11520","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2025-05-08T18:28:04Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"421f194555d7a23ecc9919d3f75309cd8d1d2089f1df7b80f5c96b89be2561e3","abstract_canon_sha256":"d82b330fb9ca9cc6f71ec8f08c0033589261909478728db0f989a575ff8000f7"},"schema_version":"1.0"},"canonical_sha256":"e658cc0bbadf6b0708eb46a9e64bf7fe2e280b977129f36c887052b3c0673a87","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:04:23.021915Z","signature_b64":"6SqEbdAef8Hfk0oZJu8d3weJBFo55DK6XrsH4rv1+8E7TfrbrINJTpgF+tdWM2OaQBDH1RsIAD5Bce5kwFFDAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e658cc0bbadf6b0708eb46a9e64bf7fe2e280b977129f36c887052b3c0673a87","last_reissued_at":"2026-07-05T11:04:23.021409Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:04:23.021409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.11520","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":"2026-07-05T11:04:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i7Sz2077cEc64oCbXwdw2W6jlVW90aL0OKrAilPSzIIlQ3E7Uh4LtjwslzTQPIN3XhnYi3+lmKK0Q6/YiOR+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T10:28:56.096633Z"},"content_sha256":"d133b6ee5ed84d18d615aba5c91e2c86461db9d1306ef9101a698e134d0a5c6c","schema_version":"1.0","event_id":"sha256:d133b6ee5ed84d18d615aba5c91e2c86461db9d1306ef9101a698e134d0a5c6c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:4ZMMYC5235VQOCHLI2U6MS7X7Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Decentralized Traffic Flow Optimization Through Intrinsic Motivation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"physics.soc-ph","authors_text":"Daniel Polani, Himaja Papala, Stas Tiomkin","submitted_at":"2025-05-08T18:28:04Z","abstract_excerpt":"Traffic congestion has long been an ubiquitous problem that is exacerbating with the rapid growth of megacities. In this proof-of-concept work we study intrinsic motivation, implemented via the empowerment principle, to control autonomous car behavior to improve traffic flow. In standard models of traffic dynamics, self-organized traffic jams emerge spontaneously from the individual behavior of cars, affecting traffic over long distances. Our novel car behavior strategy improves traffic flow while still being decentralized and using only locally available information without explicit coordinat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.11520","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/2505.11520/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":"2026-07-05T11:04:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"73doPAm9Yy1d807Nvz4BIxHGuqUSBft0o/UPEdpXwWUBNCBHGteYU5driSL9FPn9/hPifvbX+lSA7IwkQx5/CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T10:28:56.097164Z"},"content_sha256":"eb7912d59f8a5c4b9a463dfc1dd51017839f913851a8bc049f0a95d1fc1e88b3","schema_version":"1.0","event_id":"sha256:eb7912d59f8a5c4b9a463dfc1dd51017839f913851a8bc049f0a95d1fc1e88b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ZMMYC5235VQOCHLI2U6MS7X7Y/bundle.json","state_url":"https://pith.science/pith/4ZMMYC5235VQOCHLI2U6MS7X7Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ZMMYC5235VQOCHLI2U6MS7X7Y/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":"2026-08-16T10:28:56Z","links":{"resolver":"https://pith.science/pith/4ZMMYC5235VQOCHLI2U6MS7X7Y","bundle":"https://pith.science/pith/4ZMMYC5235VQOCHLI2U6MS7X7Y/bundle.json","state":"https://pith.science/pith/4ZMMYC5235VQOCHLI2U6MS7X7Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ZMMYC5235VQOCHLI2U6MS7X7Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:4ZMMYC5235VQOCHLI2U6MS7X7Y","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":"d82b330fb9ca9cc6f71ec8f08c0033589261909478728db0f989a575ff8000f7","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2025-05-08T18:28:04Z","title_canon_sha256":"421f194555d7a23ecc9919d3f75309cd8d1d2089f1df7b80f5c96b89be2561e3"},"schema_version":"1.0","source":{"id":"2505.11520","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.11520","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"arxiv_version","alias_value":"2505.11520v1","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.11520","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"pith_short_12","alias_value":"4ZMMYC5235VQ","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"pith_short_16","alias_value":"4ZMMYC5235VQOCHL","created_at":"2026-07-05T11:04:23Z"},{"alias_kind":"pith_short_8","alias_value":"4ZMMYC52","created_at":"2026-07-05T11:04:23Z"}],"graph_snapshots":[{"event_id":"sha256:eb7912d59f8a5c4b9a463dfc1dd51017839f913851a8bc049f0a95d1fc1e88b3","target":"graph","created_at":"2026-07-05T11:04:23Z","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/2505.11520/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Traffic congestion has long been an ubiquitous problem that is exacerbating with the rapid growth of megacities. In this proof-of-concept work we study intrinsic motivation, implemented via the empowerment principle, to control autonomous car behavior to improve traffic flow. In standard models of traffic dynamics, self-organized traffic jams emerge spontaneously from the individual behavior of cars, affecting traffic over long distances. Our novel car behavior strategy improves traffic flow while still being decentralized and using only locally available information without explicit coordinat","authors_text":"Daniel Polani, Himaja Papala, Stas Tiomkin","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2025-05-08T18:28:04Z","title":"Decentralized Traffic Flow Optimization Through Intrinsic Motivation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.11520","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:d133b6ee5ed84d18d615aba5c91e2c86461db9d1306ef9101a698e134d0a5c6c","target":"record","created_at":"2026-07-05T11:04:23Z","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":"d82b330fb9ca9cc6f71ec8f08c0033589261909478728db0f989a575ff8000f7","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2025-05-08T18:28:04Z","title_canon_sha256":"421f194555d7a23ecc9919d3f75309cd8d1d2089f1df7b80f5c96b89be2561e3"},"schema_version":"1.0","source":{"id":"2505.11520","kind":"arxiv","version":1}},"canonical_sha256":"e658cc0bbadf6b0708eb46a9e64bf7fe2e280b977129f36c887052b3c0673a87","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e658cc0bbadf6b0708eb46a9e64bf7fe2e280b977129f36c887052b3c0673a87","first_computed_at":"2026-07-05T11:04:23.021409Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:04:23.021409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6SqEbdAef8Hfk0oZJu8d3weJBFo55DK6XrsH4rv1+8E7TfrbrINJTpgF+tdWM2OaQBDH1RsIAD5Bce5kwFFDAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:04:23.021915Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.11520","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d133b6ee5ed84d18d615aba5c91e2c86461db9d1306ef9101a698e134d0a5c6c","sha256:eb7912d59f8a5c4b9a463dfc1dd51017839f913851a8bc049f0a95d1fc1e88b3"],"state_sha256":"5c8f51d64c41e96d0b109e635a95e5e30beafd12a60ada31be5b38a9d0e50ac7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J4xUgbNz2rJovg09uLNuvJXEL1nfIPW+yKpXue/XwpZZra83PX6dBVpVJJKg6etWUWxkmAZEo+6I+4WMAn2hBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T10:28:56.101901Z","bundle_sha256":"0655b989588fa594aefccbb115c34bfb451e1721ba5651ba8900f2a7e13c5659"}}