{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:QHAD5NOQQO75C6V2LTWFTP5D7C","short_pith_number":"pith:QHAD5NOQ","schema_version":"1.0","canonical_sha256":"81c03eb5d083bfd17aba5cec59bfa3f8b15dbc84831368526b53bd5361a60da7","source":{"kind":"arxiv","id":"1802.09649","version":3},"attestation_state":"computed","paper":{"title":"Topological waves in fluids with odd viscosity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Anton Souslov, Kinjal Dasbiswas, Michel Fruchart, Suriyanarayanan Vaikuntanathan, Vincenzo Vitelli","submitted_at":"2018-02-26T23:56:11Z","abstract_excerpt":"Fluids in which both time-reversal and parity are broken can display a dissipationless viscosity that is odd under each of these symmetries. Here, we show how this odd viscosity has a dramatic effect on topological sound waves in fluids, including the number and spatial profile of topological edge modes. Odd viscosity provides a short-distance cutoff that allows us to define a bulk topological invariant on a compact momentum space. As the sign of odd viscosity changes, a topological phase transition occurs without closing the bulk gap. Instead, at the transition point, the topological invarian"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1802.09649","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-02-26T23:56:11Z","cross_cats_sorted":[],"title_canon_sha256":"3ad44efcd2d659862f7cfe73c74c901dc7ce6766acf338790b44004cb48b6d57","abstract_canon_sha256":"2dae263729e7370b242e21cc2aacae72f01f3672532c921af49b7c06cf32cff3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:04.768803Z","signature_b64":"2iZSsoBxG8tnXhSjGt9iYBHJSpnXwDknoDlBingYt/YwOAoEPI98HzoSRhZhqXYGuc/SpXTfnwh4sEXP2lDRBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81c03eb5d083bfd17aba5cec59bfa3f8b15dbc84831368526b53bd5361a60da7","last_reissued_at":"2026-05-17T23:45:04.768169Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:04.768169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topological waves in fluids with odd viscosity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Anton Souslov, Kinjal Dasbiswas, Michel Fruchart, Suriyanarayanan Vaikuntanathan, Vincenzo Vitelli","submitted_at":"2018-02-26T23:56:11Z","abstract_excerpt":"Fluids in which both time-reversal and parity are broken can display a dissipationless viscosity that is odd under each of these symmetries. Here, we show how this odd viscosity has a dramatic effect on topological sound waves in fluids, including the number and spatial profile of topological edge modes. Odd viscosity provides a short-distance cutoff that allows us to define a bulk topological invariant on a compact momentum space. As the sign of odd viscosity changes, a topological phase transition occurs without closing the bulk gap. Instead, at the transition point, the topological invarian"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.09649","kind":"arxiv","version":3},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1802.09649","created_at":"2026-05-17T23:45:04.768253+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.09649v3","created_at":"2026-05-17T23:45:04.768253+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.09649","created_at":"2026-05-17T23:45:04.768253+00:00"},{"alias_kind":"pith_short_12","alias_value":"QHAD5NOQQO75","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"QHAD5NOQQO75C6V2","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"QHAD5NOQ","created_at":"2026-05-18T12:32:46.962924+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QHAD5NOQQO75C6V2LTWFTP5D7C","json":"https://pith.science/pith/QHAD5NOQQO75C6V2LTWFTP5D7C.json","graph_json":"https://pith.science/api/pith-number/QHAD5NOQQO75C6V2LTWFTP5D7C/graph.json","events_json":"https://pith.science/api/pith-number/QHAD5NOQQO75C6V2LTWFTP5D7C/events.json","paper":"https://pith.science/paper/QHAD5NOQ"},"agent_actions":{"view_html":"https://pith.science/pith/QHAD5NOQQO75C6V2LTWFTP5D7C","download_json":"https://pith.science/pith/QHAD5NOQQO75C6V2LTWFTP5D7C.json","view_paper":"https://pith.science/paper/QHAD5NOQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.09649&json=true","fetch_graph":"https://pith.science/api/pith-number/QHAD5NOQQO75C6V2LTWFTP5D7C/graph.json","fetch_events":"https://pith.science/api/pith-number/QHAD5NOQQO75C6V2LTWFTP5D7C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QHAD5NOQQO75C6V2LTWFTP5D7C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QHAD5NOQQO75C6V2LTWFTP5D7C/action/storage_attestation","attest_author":"https://pith.science/pith/QHAD5NOQQO75C6V2LTWFTP5D7C/action/author_attestation","sign_citation":"https://pith.science/pith/QHAD5NOQQO75C6V2LTWFTP5D7C/action/citation_signature","submit_replication":"https://pith.science/pith/QHAD5NOQQO75C6V2LTWFTP5D7C/action/replication_record"}},"created_at":"2026-05-17T23:45:04.768253+00:00","updated_at":"2026-05-17T23:45:04.768253+00:00"}