{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LEXUJA3Q3DAJ236GNMELYFO3EI","short_pith_number":"pith:LEXUJA3Q","canonical_record":{"source":{"id":"1401.7833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-30T13:10:40Z","cross_cats_sorted":[],"title_canon_sha256":"9032834560540e7056fa8095712bc140b9a4cb191aee35d5738ee477ba7f5f2f","abstract_canon_sha256":"3c91d889007f00b34ec493b7ab4fd927f1bcbadecc0d3d63ed673c18911a9cb0"},"schema_version":"1.0"},"canonical_sha256":"592f448370d8c09d6fc66b08bc15db22213dc15b488251b0bda5e969ebf73c66","source":{"kind":"arxiv","id":"1401.7833","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7833","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7833v1","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7833","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"LEXUJA3Q3DAJ","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LEXUJA3Q3DAJ236G","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LEXUJA3Q","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LEXUJA3Q3DAJ236GNMELYFO3EI","target":"record","payload":{"canonical_record":{"source":{"id":"1401.7833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-30T13:10:40Z","cross_cats_sorted":[],"title_canon_sha256":"9032834560540e7056fa8095712bc140b9a4cb191aee35d5738ee477ba7f5f2f","abstract_canon_sha256":"3c91d889007f00b34ec493b7ab4fd927f1bcbadecc0d3d63ed673c18911a9cb0"},"schema_version":"1.0"},"canonical_sha256":"592f448370d8c09d6fc66b08bc15db22213dc15b488251b0bda5e969ebf73c66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:56.683273Z","signature_b64":"2QqUtbZjH1+zAtXCcSkY92A0sSjs4iN5IWTyA02Ur06+WQ4JfFHEcb2gTKWvLCm/EGlQHCZJotPvKOjif5XsAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"592f448370d8c09d6fc66b08bc15db22213dc15b488251b0bda5e969ebf73c66","last_reissued_at":"2026-05-18T02:51:56.682806Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:56.682806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.7833","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":"2026-05-18T02:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KoWr4EUDrZZoGKKerGvrRcZSfNt1i/fBIKZIjFZZGlmb231uRt6zrvl90zjbNdzrF2uWQlwH0dn1uRLYeH07Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:39:10.362254Z"},"content_sha256":"952476dbad6c16ea05f2ff1e6ae75f2f0aeeef80a97fa36ec68f7dbf2f2dd694","schema_version":"1.0","event_id":"sha256:952476dbad6c16ea05f2ff1e6ae75f2f0aeeef80a97fa36ec68f7dbf2f2dd694"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LEXUJA3Q3DAJ236GNMELYFO3EI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polarization of active Janus particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alois W\\\"urger, Guillermo Zecua, Thomas Bickel","submitted_at":"2014-01-30T13:10:40Z","abstract_excerpt":"We study the collective motion of Janus particles in a temperature or concentration gradient. Because of the torque exerted by an external or self-generated field, the particles align their axis on this gradient. In a swarm of self-driven particles, this polarization enhances the interactiondriven confinement. Self-polarization in a non-uniform laser beam could be used for guiding hot particles along a given trajectory."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7833","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":"2026-05-18T02:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d3FAdgicormrg5DZD8kVU4R153/vZLu518RhSZVWs5y/zSVFTC4u/EywsdjVv42PJPgNZDL53dMcThXxxDCSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:39:10.363059Z"},"content_sha256":"dceb52df2b7041776f6e267f8e950d961050b5eda8faceeb010a22c319f56d75","schema_version":"1.0","event_id":"sha256:dceb52df2b7041776f6e267f8e950d961050b5eda8faceeb010a22c319f56d75"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LEXUJA3Q3DAJ236GNMELYFO3EI/bundle.json","state_url":"https://pith.science/pith/LEXUJA3Q3DAJ236GNMELYFO3EI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LEXUJA3Q3DAJ236GNMELYFO3EI/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":"2026-06-09T08:39:10Z","links":{"resolver":"https://pith.science/pith/LEXUJA3Q3DAJ236GNMELYFO3EI","bundle":"https://pith.science/pith/LEXUJA3Q3DAJ236GNMELYFO3EI/bundle.json","state":"https://pith.science/pith/LEXUJA3Q3DAJ236GNMELYFO3EI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LEXUJA3Q3DAJ236GNMELYFO3EI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LEXUJA3Q3DAJ236GNMELYFO3EI","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":"3c91d889007f00b34ec493b7ab4fd927f1bcbadecc0d3d63ed673c18911a9cb0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-30T13:10:40Z","title_canon_sha256":"9032834560540e7056fa8095712bc140b9a4cb191aee35d5738ee477ba7f5f2f"},"schema_version":"1.0","source":{"id":"1401.7833","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7833","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7833v1","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7833","created_at":"2026-05-18T02:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"LEXUJA3Q3DAJ","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LEXUJA3Q3DAJ236G","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LEXUJA3Q","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:dceb52df2b7041776f6e267f8e950d961050b5eda8faceeb010a22c319f56d75","target":"graph","created_at":"2026-05-18T02:51:56Z","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":"We study the collective motion of Janus particles in a temperature or concentration gradient. Because of the torque exerted by an external or self-generated field, the particles align their axis on this gradient. In a swarm of self-driven particles, this polarization enhances the interactiondriven confinement. Self-polarization in a non-uniform laser beam could be used for guiding hot particles along a given trajectory.","authors_text":"Alois W\\\"urger, Guillermo Zecua, Thomas Bickel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-30T13:10:40Z","title":"Polarization of active Janus particles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7833","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":"sha256:952476dbad6c16ea05f2ff1e6ae75f2f0aeeef80a97fa36ec68f7dbf2f2dd694","target":"record","created_at":"2026-05-18T02:51:56Z","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":"3c91d889007f00b34ec493b7ab4fd927f1bcbadecc0d3d63ed673c18911a9cb0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-30T13:10:40Z","title_canon_sha256":"9032834560540e7056fa8095712bc140b9a4cb191aee35d5738ee477ba7f5f2f"},"schema_version":"1.0","source":{"id":"1401.7833","kind":"arxiv","version":1}},"canonical_sha256":"592f448370d8c09d6fc66b08bc15db22213dc15b488251b0bda5e969ebf73c66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"592f448370d8c09d6fc66b08bc15db22213dc15b488251b0bda5e969ebf73c66","first_computed_at":"2026-05-18T02:51:56.682806Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:56.682806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2QqUtbZjH1+zAtXCcSkY92A0sSjs4iN5IWTyA02Ur06+WQ4JfFHEcb2gTKWvLCm/EGlQHCZJotPvKOjif5XsAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:56.683273Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.7833","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:952476dbad6c16ea05f2ff1e6ae75f2f0aeeef80a97fa36ec68f7dbf2f2dd694","sha256:dceb52df2b7041776f6e267f8e950d961050b5eda8faceeb010a22c319f56d75"],"state_sha256":"f0a0161eaa88a3b5e6ed7f62c7046954bb8664346c9eb6199fb0ebe53f3e10cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KObcjMJzYyCyHIOcTLkiLodmLKY6dBpflB0hPNe6olIz/MURRzJt6Bq+5a/zdfXwaIM3FdhFlldhMoxvPwiTAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T08:39:10.366975Z","bundle_sha256":"18765c59089797244714ec014b065f21829e194d5104211f89f78c858383d1df"}}