{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:U76G6EAPJKFX2T7FMKCKQ2KOR4","short_pith_number":"pith:U76G6EAP","canonical_record":{"source":{"id":"1512.07802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-24T12:18:57Z","cross_cats_sorted":[],"title_canon_sha256":"7e9c899a4cbb08c1e6c5b121908a2f3a1ec2e134da32bf39ef19b3cc5e181ef4","abstract_canon_sha256":"db8ff73669fba9354f0473e62f1e6967569c1e185eb0ef05a368a6db1fa91ae9"},"schema_version":"1.0"},"canonical_sha256":"a7fc6f100f4a8b7d4fe56284a8694e8f00679cf3c53209e738459e6634973a59","source":{"kind":"arxiv","id":"1512.07802","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07802","created_at":"2026-05-18T01:23:07Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07802v1","created_at":"2026-05-18T01:23:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07802","created_at":"2026-05-18T01:23:07Z"},{"alias_kind":"pith_short_12","alias_value":"U76G6EAPJKFX","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"U76G6EAPJKFX2T7F","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"U76G6EAP","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:U76G6EAPJKFX2T7FMKCKQ2KOR4","target":"record","payload":{"canonical_record":{"source":{"id":"1512.07802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-24T12:18:57Z","cross_cats_sorted":[],"title_canon_sha256":"7e9c899a4cbb08c1e6c5b121908a2f3a1ec2e134da32bf39ef19b3cc5e181ef4","abstract_canon_sha256":"db8ff73669fba9354f0473e62f1e6967569c1e185eb0ef05a368a6db1fa91ae9"},"schema_version":"1.0"},"canonical_sha256":"a7fc6f100f4a8b7d4fe56284a8694e8f00679cf3c53209e738459e6634973a59","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:07.637151Z","signature_b64":"PotanMmcuaPlRo1SdPzyYkiNcIeQxNrgAajHJ9cHkwLVR2l1MUaUlaAvE+ZhjUMdMVAvwA26Nb+nwk1AWUu2Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7fc6f100f4a8b7d4fe56284a8694e8f00679cf3c53209e738459e6634973a59","last_reissued_at":"2026-05-18T01:23:07.636665Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:07.636665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.07802","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":"2026-05-18T01:23:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t+s1edK/NLcHymfsDnD+WwxRmIu6kJ5LBDIkHEUT2/ksCY6ueJdhPSG0ZDb0d2PXmF4Lw4urItG87u2/VHM7Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:22:22.562082Z"},"content_sha256":"062c65cf510d7e96d5abe91e6e6051999bc1cfc1909e109ce59fbf219af86bd2","schema_version":"1.0","event_id":"sha256:062c65cf510d7e96d5abe91e6e6051999bc1cfc1909e109ce59fbf219af86bd2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:U76G6EAPJKFX2T7FMKCKQ2KOR4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hidden symmetries, instabilities, and current suppression in Brownian ratchets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"David Cubero, Ferrucio Renzoni","submitted_at":"2015-12-24T12:18:57Z","abstract_excerpt":"The operation of Brownian motors is usually described in terms of out-of-equilibrium and symmetry-breaking settings, with the relevant spatiotemporal symmetries identified from the analysis of the equations of motion for the system at hand. When the appropriate conditions are satisfied, symmetry-related trajectories with opposite current are thought to balance each other, yielding suppression of transport. The direction of the current can be precisely controlled around these symmetry points by finely tuning the driving parameters. Here we demonstrate, by studying a prototypical Brownian ratche"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07802","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":"2026-05-18T01:23:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lai40Ih4vyags6+IaBAM6i+VmtArGmbnVxnsUGUbslNzDSQFa/k87ebLZ/u61usTlUPqy7yY4Xj2ppJEyTqsDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:22:22.562444Z"},"content_sha256":"456b4fd7dadb6515e2e9b049e2c4a9f37c4ad65e2aab849328b0d2c563c8ee5b","schema_version":"1.0","event_id":"sha256:456b4fd7dadb6515e2e9b049e2c4a9f37c4ad65e2aab849328b0d2c563c8ee5b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U76G6EAPJKFX2T7FMKCKQ2KOR4/bundle.json","state_url":"https://pith.science/pith/U76G6EAPJKFX2T7FMKCKQ2KOR4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U76G6EAPJKFX2T7FMKCKQ2KOR4/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":"2026-06-02T15:22:22Z","links":{"resolver":"https://pith.science/pith/U76G6EAPJKFX2T7FMKCKQ2KOR4","bundle":"https://pith.science/pith/U76G6EAPJKFX2T7FMKCKQ2KOR4/bundle.json","state":"https://pith.science/pith/U76G6EAPJKFX2T7FMKCKQ2KOR4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U76G6EAPJKFX2T7FMKCKQ2KOR4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:U76G6EAPJKFX2T7FMKCKQ2KOR4","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":"db8ff73669fba9354f0473e62f1e6967569c1e185eb0ef05a368a6db1fa91ae9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-24T12:18:57Z","title_canon_sha256":"7e9c899a4cbb08c1e6c5b121908a2f3a1ec2e134da32bf39ef19b3cc5e181ef4"},"schema_version":"1.0","source":{"id":"1512.07802","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07802","created_at":"2026-05-18T01:23:07Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07802v1","created_at":"2026-05-18T01:23:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07802","created_at":"2026-05-18T01:23:07Z"},{"alias_kind":"pith_short_12","alias_value":"U76G6EAPJKFX","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"U76G6EAPJKFX2T7F","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"U76G6EAP","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:456b4fd7dadb6515e2e9b049e2c4a9f37c4ad65e2aab849328b0d2c563c8ee5b","target":"graph","created_at":"2026-05-18T01:23:07Z","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":"The operation of Brownian motors is usually described in terms of out-of-equilibrium and symmetry-breaking settings, with the relevant spatiotemporal symmetries identified from the analysis of the equations of motion for the system at hand. When the appropriate conditions are satisfied, symmetry-related trajectories with opposite current are thought to balance each other, yielding suppression of transport. The direction of the current can be precisely controlled around these symmetry points by finely tuning the driving parameters. Here we demonstrate, by studying a prototypical Brownian ratche","authors_text":"David Cubero, Ferrucio Renzoni","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-24T12:18:57Z","title":"Hidden symmetries, instabilities, and current suppression in Brownian ratchets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07802","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":"sha256:062c65cf510d7e96d5abe91e6e6051999bc1cfc1909e109ce59fbf219af86bd2","target":"record","created_at":"2026-05-18T01:23:07Z","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":"db8ff73669fba9354f0473e62f1e6967569c1e185eb0ef05a368a6db1fa91ae9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-24T12:18:57Z","title_canon_sha256":"7e9c899a4cbb08c1e6c5b121908a2f3a1ec2e134da32bf39ef19b3cc5e181ef4"},"schema_version":"1.0","source":{"id":"1512.07802","kind":"arxiv","version":1}},"canonical_sha256":"a7fc6f100f4a8b7d4fe56284a8694e8f00679cf3c53209e738459e6634973a59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7fc6f100f4a8b7d4fe56284a8694e8f00679cf3c53209e738459e6634973a59","first_computed_at":"2026-05-18T01:23:07.636665Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:07.636665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PotanMmcuaPlRo1SdPzyYkiNcIeQxNrgAajHJ9cHkwLVR2l1MUaUlaAvE+ZhjUMdMVAvwA26Nb+nwk1AWUu2Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:07.637151Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07802","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:062c65cf510d7e96d5abe91e6e6051999bc1cfc1909e109ce59fbf219af86bd2","sha256:456b4fd7dadb6515e2e9b049e2c4a9f37c4ad65e2aab849328b0d2c563c8ee5b"],"state_sha256":"5ba3a239e432220370444bbb1a291b7d173690e55c405c1309a4ce74e26474f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SUoTLp7Qj90jNYY5O1kB4CvaegLRWmAifBQp/xnX31gfzJvLhHKXD91foOPrNEeH2JUul7mh2AxiwlMR4C+XDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:22:22.564519Z","bundle_sha256":"f3bd5afd3bb2b3d421a6bdd79fa16eb6d20ea1b8e98c9f3eba7a60f3234e0663"}}