{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:CCJTTMMGGDOMDPHVRK7CPOGQD7","short_pith_number":"pith:CCJTTMMG","schema_version":"1.0","canonical_sha256":"109339b18630dcc1bcf58abe27b8d01fe9c2f156e908627cd67e0aaf5e13d8a3","source":{"kind":"arxiv","id":"2505.13845","version":1},"attestation_state":"computed","paper":{"title":"Unidirectional zero-index and omnidirectional hybrid hydrodynamic cloaks constructed from isotropic media with anisotropic geometry","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Fubao Yang, Gaole Dai, Jinrong Liu, Jiping Huang, Jun Wang, Yuhong Zhou, Zhuo Li","submitted_at":"2025-05-20T02:39:41Z","abstract_excerpt":"Hydrodynamic cloaking offers a promising approach for manipulating viscous flows by redirecting fluid around an obstacle without inducing external disturbances. By extending pseudo-conformal mappings into potential flow models, we introduce a new isobaric boundary condition that enables the construction of zero-index cloaks using isotropic and homogeneous media shaped into anisotropic geometries, such as elliptical shells. Compared to conventional cloaks, which suffer performance degradation under realistic viscous conditions, the zero-index design significantly reduces such losses by suppress"},"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":"2505.13845","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2025-05-20T02:39:41Z","cross_cats_sorted":[],"title_canon_sha256":"65db109056f6010675735942519e64d72b905d06574ac862d064daedcdefa58a","abstract_canon_sha256":"4e2ce3677fc014011b9df2e3dd8e966cd8c9cdc36d7f849f574e52552294ccf7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:05:51.942274Z","signature_b64":"je1gmJA03yanJQW8ii7wxGB+n9gNJ9DhEZFLa7fCbzFq5giFO5RBlkC7QZEoy/6SdpZVnIU0Nm+mrE6jGLfQAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"109339b18630dcc1bcf58abe27b8d01fe9c2f156e908627cd67e0aaf5e13d8a3","last_reissued_at":"2026-07-05T11:05:51.941824Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:05:51.941824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unidirectional zero-index and omnidirectional hybrid hydrodynamic cloaks constructed from isotropic media with anisotropic geometry","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Fubao Yang, Gaole Dai, Jinrong Liu, Jiping Huang, Jun Wang, Yuhong Zhou, Zhuo Li","submitted_at":"2025-05-20T02:39:41Z","abstract_excerpt":"Hydrodynamic cloaking offers a promising approach for manipulating viscous flows by redirecting fluid around an obstacle without inducing external disturbances. By extending pseudo-conformal mappings into potential flow models, we introduce a new isobaric boundary condition that enables the construction of zero-index cloaks using isotropic and homogeneous media shaped into anisotropic geometries, such as elliptical shells. Compared to conventional cloaks, which suffer performance degradation under realistic viscous conditions, the zero-index design significantly reduces such losses by suppress"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.13845","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2505.13845/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2505.13845","created_at":"2026-07-05T11:05:51.941878+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.13845v1","created_at":"2026-07-05T11:05:51.941878+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.13845","created_at":"2026-07-05T11:05:51.941878+00:00"},{"alias_kind":"pith_short_12","alias_value":"CCJTTMMGGDOM","created_at":"2026-07-05T11:05:51.941878+00:00"},{"alias_kind":"pith_short_16","alias_value":"CCJTTMMGGDOMDPHV","created_at":"2026-07-05T11:05:51.941878+00:00"},{"alias_kind":"pith_short_8","alias_value":"CCJTTMMG","created_at":"2026-07-05T11:05:51.941878+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/CCJTTMMGGDOMDPHVRK7CPOGQD7","json":"https://pith.science/pith/CCJTTMMGGDOMDPHVRK7CPOGQD7.json","graph_json":"https://pith.science/api/pith-number/CCJTTMMGGDOMDPHVRK7CPOGQD7/graph.json","events_json":"https://pith.science/api/pith-number/CCJTTMMGGDOMDPHVRK7CPOGQD7/events.json","paper":"https://pith.science/paper/CCJTTMMG"},"agent_actions":{"view_html":"https://pith.science/pith/CCJTTMMGGDOMDPHVRK7CPOGQD7","download_json":"https://pith.science/pith/CCJTTMMGGDOMDPHVRK7CPOGQD7.json","view_paper":"https://pith.science/paper/CCJTTMMG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.13845&json=true","fetch_graph":"https://pith.science/api/pith-number/CCJTTMMGGDOMDPHVRK7CPOGQD7/graph.json","fetch_events":"https://pith.science/api/pith-number/CCJTTMMGGDOMDPHVRK7CPOGQD7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CCJTTMMGGDOMDPHVRK7CPOGQD7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CCJTTMMGGDOMDPHVRK7CPOGQD7/action/storage_attestation","attest_author":"https://pith.science/pith/CCJTTMMGGDOMDPHVRK7CPOGQD7/action/author_attestation","sign_citation":"https://pith.science/pith/CCJTTMMGGDOMDPHVRK7CPOGQD7/action/citation_signature","submit_replication":"https://pith.science/pith/CCJTTMMGGDOMDPHVRK7CPOGQD7/action/replication_record"}},"created_at":"2026-07-05T11:05:51.941878+00:00","updated_at":"2026-07-05T11:05:51.941878+00:00"}