{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:W6RXHJO33KAOMETMF6LZNRIIEL","short_pith_number":"pith:W6RXHJO3","canonical_record":{"source":{"id":"cond-mat/0005244","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2000-05-15T16:47:58Z","cross_cats_sorted":[],"title_canon_sha256":"324c8a45f6d6216e1f12dc6f3a660b7816d35b6ff151d9df74a82abb18d9dc02","abstract_canon_sha256":"02d0f8c28741e8d1cdfa88139dbc2d4f25801a705e83228469ffef9d2e9c7626"},"schema_version":"1.0"},"canonical_sha256":"b7a373a5dbda80e6126c2f9796c50822e66546a9c7b9bfd203c0323e53548b0e","source":{"kind":"arxiv","id":"cond-mat/0005244","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0005244","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0005244v1","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0005244","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"pith_short_12","alias_value":"W6RXHJO33KAO","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"W6RXHJO33KAOMETM","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"W6RXHJO3","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:W6RXHJO33KAOMETMF6LZNRIIEL","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0005244","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2000-05-15T16:47:58Z","cross_cats_sorted":[],"title_canon_sha256":"324c8a45f6d6216e1f12dc6f3a660b7816d35b6ff151d9df74a82abb18d9dc02","abstract_canon_sha256":"02d0f8c28741e8d1cdfa88139dbc2d4f25801a705e83228469ffef9d2e9c7626"},"schema_version":"1.0"},"canonical_sha256":"b7a373a5dbda80e6126c2f9796c50822e66546a9c7b9bfd203c0323e53548b0e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:16.114010Z","signature_b64":"d6+X8ngBBK/kkRIx4jUFAH+SfiFpoqaDJ+ytgrg/QnK6cBcOby362wk3BJ3POVC3AMO2C4g+AAn8f+ZMYkuyCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7a373a5dbda80e6126c2f9796c50822e66546a9c7b9bfd203c0323e53548b0e","last_reissued_at":"2026-05-18T00:54:16.113527Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:16.113527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0005244","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":"2026-05-18T00:54:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lYPI1qOZZln+J8+UDojs+tj1909Mo33c9ttrllJou4ojLoerC5Q+1q3RDe1jGmqoVF5gN08ZyS6nfVOKlAKjDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:56:54.584337Z"},"content_sha256":"acd3ed5665d836d0d257dc483587e19f776e550989c990e739f5c2a120857ddf","schema_version":"1.0","event_id":"sha256:acd3ed5665d836d0d257dc483587e19f776e550989c990e739f5c2a120857ddf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:W6RXHJO33KAOMETMF6LZNRIIEL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the existence of a variational principle for deterministic cellular automaton models of highway traffic flow","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.dis-nn","authors_text":"Nino Boccara","submitted_at":"2000-05-15T16:47:58Z","abstract_excerpt":"It is shown that a variety of deterministic cellular automaton models of highway traffic flow obey a variational principle which states that, for a given car density, the average car flow is a non-decreasing function of time. This result is established for systems whose configurations exhibits local jams of a given structure. If local jams have a different structure, it is shown that either the variational principle may still apply to systems evolving according to some particular rules, or it could apply under a weaker form to systems whose asymptotic average car flow is a well-defined functio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0005244","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":"2026-05-18T00:54:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SziUteMIxxwzRoQ4YmNmZcIZ7E3o0NUjHykV6e42kxbw2loAgAUeWxSAA01uRRYxoQNJozyzgvY0Jg3jAjPBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:56:54.584684Z"},"content_sha256":"f317986f6addd59706d0538264d9f6add9f475ec423f998f0caee8fd5f249d8c","schema_version":"1.0","event_id":"sha256:f317986f6addd59706d0538264d9f6add9f475ec423f998f0caee8fd5f249d8c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W6RXHJO33KAOMETMF6LZNRIIEL/bundle.json","state_url":"https://pith.science/pith/W6RXHJO33KAOMETMF6LZNRIIEL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W6RXHJO33KAOMETMF6LZNRIIEL/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":"2026-06-01T17:56:54Z","links":{"resolver":"https://pith.science/pith/W6RXHJO33KAOMETMF6LZNRIIEL","bundle":"https://pith.science/pith/W6RXHJO33KAOMETMF6LZNRIIEL/bundle.json","state":"https://pith.science/pith/W6RXHJO33KAOMETMF6LZNRIIEL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W6RXHJO33KAOMETMF6LZNRIIEL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:W6RXHJO33KAOMETMF6LZNRIIEL","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":"02d0f8c28741e8d1cdfa88139dbc2d4f25801a705e83228469ffef9d2e9c7626","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2000-05-15T16:47:58Z","title_canon_sha256":"324c8a45f6d6216e1f12dc6f3a660b7816d35b6ff151d9df74a82abb18d9dc02"},"schema_version":"1.0","source":{"id":"cond-mat/0005244","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0005244","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0005244v1","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0005244","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"pith_short_12","alias_value":"W6RXHJO33KAO","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"W6RXHJO33KAOMETM","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"W6RXHJO3","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:f317986f6addd59706d0538264d9f6add9f475ec423f998f0caee8fd5f249d8c","target":"graph","created_at":"2026-05-18T00:54:16Z","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":"It is shown that a variety of deterministic cellular automaton models of highway traffic flow obey a variational principle which states that, for a given car density, the average car flow is a non-decreasing function of time. This result is established for systems whose configurations exhibits local jams of a given structure. If local jams have a different structure, it is shown that either the variational principle may still apply to systems evolving according to some particular rules, or it could apply under a weaker form to systems whose asymptotic average car flow is a well-defined functio","authors_text":"Nino Boccara","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2000-05-15T16:47:58Z","title":"On the existence of a variational principle for deterministic cellular automaton models of highway traffic flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0005244","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:acd3ed5665d836d0d257dc483587e19f776e550989c990e739f5c2a120857ddf","target":"record","created_at":"2026-05-18T00:54:16Z","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":"02d0f8c28741e8d1cdfa88139dbc2d4f25801a705e83228469ffef9d2e9c7626","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2000-05-15T16:47:58Z","title_canon_sha256":"324c8a45f6d6216e1f12dc6f3a660b7816d35b6ff151d9df74a82abb18d9dc02"},"schema_version":"1.0","source":{"id":"cond-mat/0005244","kind":"arxiv","version":1}},"canonical_sha256":"b7a373a5dbda80e6126c2f9796c50822e66546a9c7b9bfd203c0323e53548b0e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7a373a5dbda80e6126c2f9796c50822e66546a9c7b9bfd203c0323e53548b0e","first_computed_at":"2026-05-18T00:54:16.113527Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:16.113527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d6+X8ngBBK/kkRIx4jUFAH+SfiFpoqaDJ+ytgrg/QnK6cBcOby362wk3BJ3POVC3AMO2C4g+AAn8f+ZMYkuyCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:16.114010Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0005244","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:acd3ed5665d836d0d257dc483587e19f776e550989c990e739f5c2a120857ddf","sha256:f317986f6addd59706d0538264d9f6add9f475ec423f998f0caee8fd5f249d8c"],"state_sha256":"5ff1fe4482a89bd976ea0874fa833f060b1392ba78d9feca2d3a201df0a59b8c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SBs77hw+C0q8M7ELbUKAVOoa4td3dAet1cizm8ACvc1tyvo8xQSlUY2mR3+N7uZK3BqHZY1sdYkaPC64+kLHDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:56:54.586629Z","bundle_sha256":"6800fd7f1baa09b2a79401840ad21b95a4e59e5ca3c3800d782fe057d236f5b0"}}