{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:45KUCEMWXV4WSER2P3RQKTOT56","short_pith_number":"pith:45KUCEMW","canonical_record":{"source":{"id":"2202.08920","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-02-17T22:19:18Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"a457892f0da7a5f426e86e3031c0745c25c0257409e0c38447f65a23a225fb25","abstract_canon_sha256":"970f5c41ff1122b36f148d156a39fd12790d86863a75a636f08176a4239ac1d4"},"schema_version":"1.0"},"canonical_sha256":"e755411196bd7969123a7ee3054dd3efbbcc0c6b31403fab6d05dfd6b8451d7a","source":{"kind":"arxiv","id":"2202.08920","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.08920","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"arxiv_version","alias_value":"2202.08920v2","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.08920","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"pith_short_12","alias_value":"45KUCEMWXV4W","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"pith_short_16","alias_value":"45KUCEMWXV4WSER2","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"pith_short_8","alias_value":"45KUCEMW","created_at":"2026-07-05T05:17:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:45KUCEMWXV4WSER2P3RQKTOT56","target":"record","payload":{"canonical_record":{"source":{"id":"2202.08920","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-02-17T22:19:18Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"a457892f0da7a5f426e86e3031c0745c25c0257409e0c38447f65a23a225fb25","abstract_canon_sha256":"970f5c41ff1122b36f148d156a39fd12790d86863a75a636f08176a4239ac1d4"},"schema_version":"1.0"},"canonical_sha256":"e755411196bd7969123a7ee3054dd3efbbcc0c6b31403fab6d05dfd6b8451d7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:17:09.703653Z","signature_b64":"v3wa+FrOUTEpLV/z8PNu5fDs033zJBDa/wYfzDBWqs9WMm7sUPjAYX1AFfmHk2/DMpiTK8MUYHcZlR6JL+GOAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e755411196bd7969123a7ee3054dd3efbbcc0c6b31403fab6d05dfd6b8451d7a","last_reissued_at":"2026-07-05T05:17:09.703218Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:17:09.703218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.08920","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:17:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nh8nDvdI4uogVNrsVzT7wjLb0p41A4N6Sccdcn2FJ1IJCpu/zYWh5KRSIHmvUQP0gJIdd0cSHwty03y5s3doCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T15:11:41.917111Z"},"content_sha256":"bd6be7cb4328b98fcab56255f3eb462268e0c9e6110a66c184cf2abb23637630","schema_version":"1.0","event_id":"sha256:bd6be7cb4328b98fcab56255f3eb462268e0c9e6110a66c184cf2abb23637630"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:45KUCEMWXV4WSER2P3RQKTOT56","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diffusive regimes in a two-dimensional chiral fluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"\\'Alvaro Rodr\\'iguez-Rivas, Francisco Vega Reyes, Miguel A. L\\'opez-Casta\\~no","submitted_at":"2022-02-17T22:19:18Z","abstract_excerpt":"Diffusion is a fundamental aspect of transport processes in biological systems, and thus, in the development of life itself. And yet, the diffusive dynamics of active fluids with directed rotation, known as chiral fluids, has not been analyzed in detail so far. Here, we describe the diffusive regimes of a two-dimensional chiral fluid, composed in this case of a set of identical disk-shaped rotors. We found strong experimental evidence of odd diffusion. This odd diffusion emerges in the form of a two-dimensional tensor with an antisymmetric part. In particular, we show that chiral diffusion is "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.08920","kind":"arxiv","version":2},"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/2202.08920/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":"2026-07-05T05:17:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GT62kbAEHKoCinjexRzTSg9lvncc3+8wgzOWF+5sWexH1GdSfx+7gaOYm8knb9mjI5UmQsdTLtekmYSA/l1FBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T15:11:41.917870Z"},"content_sha256":"6a711fd33aa88f4a5401cd79f86dade31369f3103535debf52a62d21209958b1","schema_version":"1.0","event_id":"sha256:6a711fd33aa88f4a5401cd79f86dade31369f3103535debf52a62d21209958b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/45KUCEMWXV4WSER2P3RQKTOT56/bundle.json","state_url":"https://pith.science/pith/45KUCEMWXV4WSER2P3RQKTOT56/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/45KUCEMWXV4WSER2P3RQKTOT56/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":"2026-08-12T15:11:41Z","links":{"resolver":"https://pith.science/pith/45KUCEMWXV4WSER2P3RQKTOT56","bundle":"https://pith.science/pith/45KUCEMWXV4WSER2P3RQKTOT56/bundle.json","state":"https://pith.science/pith/45KUCEMWXV4WSER2P3RQKTOT56/state.json","well_known_bundle":"https://pith.science/.well-known/pith/45KUCEMWXV4WSER2P3RQKTOT56/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:45KUCEMWXV4WSER2P3RQKTOT56","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":"970f5c41ff1122b36f148d156a39fd12790d86863a75a636f08176a4239ac1d4","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-02-17T22:19:18Z","title_canon_sha256":"a457892f0da7a5f426e86e3031c0745c25c0257409e0c38447f65a23a225fb25"},"schema_version":"1.0","source":{"id":"2202.08920","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.08920","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"arxiv_version","alias_value":"2202.08920v2","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.08920","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"pith_short_12","alias_value":"45KUCEMWXV4W","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"pith_short_16","alias_value":"45KUCEMWXV4WSER2","created_at":"2026-07-05T05:17:09Z"},{"alias_kind":"pith_short_8","alias_value":"45KUCEMW","created_at":"2026-07-05T05:17:09Z"}],"graph_snapshots":[{"event_id":"sha256:6a711fd33aa88f4a5401cd79f86dade31369f3103535debf52a62d21209958b1","target":"graph","created_at":"2026-07-05T05:17:09Z","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/2202.08920/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Diffusion is a fundamental aspect of transport processes in biological systems, and thus, in the development of life itself. And yet, the diffusive dynamics of active fluids with directed rotation, known as chiral fluids, has not been analyzed in detail so far. Here, we describe the diffusive regimes of a two-dimensional chiral fluid, composed in this case of a set of identical disk-shaped rotors. We found strong experimental evidence of odd diffusion. This odd diffusion emerges in the form of a two-dimensional tensor with an antisymmetric part. In particular, we show that chiral diffusion is ","authors_text":"\\'Alvaro Rodr\\'iguez-Rivas, Francisco Vega Reyes, Miguel A. L\\'opez-Casta\\~no","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-02-17T22:19:18Z","title":"Diffusive regimes in a two-dimensional chiral fluid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.08920","kind":"arxiv","version":2},"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:bd6be7cb4328b98fcab56255f3eb462268e0c9e6110a66c184cf2abb23637630","target":"record","created_at":"2026-07-05T05:17:09Z","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":"970f5c41ff1122b36f148d156a39fd12790d86863a75a636f08176a4239ac1d4","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-02-17T22:19:18Z","title_canon_sha256":"a457892f0da7a5f426e86e3031c0745c25c0257409e0c38447f65a23a225fb25"},"schema_version":"1.0","source":{"id":"2202.08920","kind":"arxiv","version":2}},"canonical_sha256":"e755411196bd7969123a7ee3054dd3efbbcc0c6b31403fab6d05dfd6b8451d7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e755411196bd7969123a7ee3054dd3efbbcc0c6b31403fab6d05dfd6b8451d7a","first_computed_at":"2026-07-05T05:17:09.703218Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:17:09.703218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v3wa+FrOUTEpLV/z8PNu5fDs033zJBDa/wYfzDBWqs9WMm7sUPjAYX1AFfmHk2/DMpiTK8MUYHcZlR6JL+GOAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:17:09.703653Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.08920","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd6be7cb4328b98fcab56255f3eb462268e0c9e6110a66c184cf2abb23637630","sha256:6a711fd33aa88f4a5401cd79f86dade31369f3103535debf52a62d21209958b1"],"state_sha256":"c22eb572dcb77c3135af480631119f0034db1112bdb7d1e258c1e9923f6cf4ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p7GKcbVp/cz7ymx09F+hrybQZQ+Ao1A3u/4SjOau7r6dQ1TQ9lVAdfCVVN+KJj+KkvcL8i/5vfFnvrYbrQYLBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T15:11:41.923429Z","bundle_sha256":"35c93bcda9f6ade8388be3d43ecb1c653c37f90f93d0e777fa4dbba176a93428"}}