{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:WZERVJDUUTKPMPT5O7JFGPYLWL","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":"900b9deebb739bf596f60dd282c27c1f7cf7a5bd4716339ba70d4dff0809fd41","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2008-12-16T17:39:47Z","title_canon_sha256":"3fa5c7c9b568583db6e8db5a6a59387e861786f0b9d2deb2732d2137529d0662"},"schema_version":"1.0","source":{"id":"0812.3112","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.3112","created_at":"2026-05-18T03:32:17Z"},{"alias_kind":"arxiv_version","alias_value":"0812.3112v1","created_at":"2026-05-18T03:32:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.3112","created_at":"2026-05-18T03:32:17Z"},{"alias_kind":"pith_short_12","alias_value":"WZERVJDUUTKP","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"WZERVJDUUTKPMPT5","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"WZERVJDU","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:d569ce580c98b2e02b1d8c30e384e651a4374fff09673687a00c5c779aa27440","target":"graph","created_at":"2026-05-18T03:32:17Z","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":"Motivated by many recent experimental studies of non-classical rotational inertia (NCRI) in superfluid and supersolid samples, we present a study of the hydrodynamics of a superfluid confined in the two-dimensional region (equivalent to a long cylinder) between two concentric arcs of radii $b$ and $a$ ($b<a$) subtending an angle $\\beta$, with $0 \\le \\beta \\le 2\\pi$. The case $\\beta= 2 \\pi$ corresponds to a blocked ring. We discuss the methodology to compute the NCRI effects, and calculate these effects both for small angular velocities, when no vortices are present, and in the presence of a vo","authors_text":"Chandan Dasgupta, Oriol T. Valls","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2008-12-16T17:39:47Z","title":"Hydrodynamics of superfluids confined in blocked rings and wedges"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.3112","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":"sha256:584e93157b4888baceae96d7ff6bfb1f9f453d7c4c343c1b46ab4753d580e9e0","target":"record","created_at":"2026-05-18T03:32:17Z","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":"900b9deebb739bf596f60dd282c27c1f7cf7a5bd4716339ba70d4dff0809fd41","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2008-12-16T17:39:47Z","title_canon_sha256":"3fa5c7c9b568583db6e8db5a6a59387e861786f0b9d2deb2732d2137529d0662"},"schema_version":"1.0","source":{"id":"0812.3112","kind":"arxiv","version":1}},"canonical_sha256":"b6491aa474a4d4f63e7d77d2533f0bb2e170b61a4ddd3a90c3ce13b9b934e6bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6491aa474a4d4f63e7d77d2533f0bb2e170b61a4ddd3a90c3ce13b9b934e6bf","first_computed_at":"2026-05-18T03:32:17.355795Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:17.355795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zh5Xb77OhMDW9y5mWf8FgUxcgMe7Pm0d0TKB8R0G/4okWFLiprhs0QyjgQ9obmM5nS/iB839C4TD95Nsb4OEAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:17.356455Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.3112","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:584e93157b4888baceae96d7ff6bfb1f9f453d7c4c343c1b46ab4753d580e9e0","sha256:d569ce580c98b2e02b1d8c30e384e651a4374fff09673687a00c5c779aa27440"],"state_sha256":"1d8df5122fd614fd08e5b06626b29f2e0de91a944b329cf02d696499da59c5ec"}