{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:45BM522UY4SUW3YHYO7XSGYFE5","short_pith_number":"pith:45BM522U","schema_version":"1.0","canonical_sha256":"e742ceeb54c7254b6f07c3bf791b052756de4a96ee262fba651f502a1851f068","source":{"kind":"arxiv","id":"0904.2640","version":2},"attestation_state":"computed","paper":{"title":"Absence of Pressure-Driven Supersolid Flow at Low Frequency","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.other","authors_text":"Ann Sophie C. Rittner, Erich J. Mueller, John D. Reppy, Wonsuk Choi","submitted_at":"2009-04-17T06:29:08Z","abstract_excerpt":"An important unresolved question in supersolid research is the degree to which the non-classical rotational inertia (NCRI) phenomenon observed in the torsional oscillator experiments of Kim and Chan, is evidence for a Bose-condensed supersolid state with superfluid-like properties. In an open annular geometry, Kim and Chan found that a fraction of the solid moment of inertia is decoupled from the motion of the oscillator; however, when the annulus is blocked by a partition, the decoupled supersolid fraction is locked to the oscillator being accelerated by an AC pressure gradient generated by t"},"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":"0904.2640","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-04-17T06:29:08Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"5a2f8afd063a34eb4d8cec0b53aa4ebbba5e6b65c77dba9d57ff6e51534d0ce1","abstract_canon_sha256":"c77e84043b35e458cf76101406e2da5ad5e88907b33b35948d40c1de0a833477"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:10.203998Z","signature_b64":"LS9nKTfUMN8QNb2q3xkhvA3zKLOwhJ3rd+FqIO08XA2oJfaLTZD8eQOWxSJYFGBKuKkMHm1lk+z6EJJxGnpRBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e742ceeb54c7254b6f07c3bf791b052756de4a96ee262fba651f502a1851f068","last_reissued_at":"2026-05-18T04:34:10.203603Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:10.203603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Absence of Pressure-Driven Supersolid Flow at Low Frequency","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.other","authors_text":"Ann Sophie C. Rittner, Erich J. Mueller, John D. Reppy, Wonsuk Choi","submitted_at":"2009-04-17T06:29:08Z","abstract_excerpt":"An important unresolved question in supersolid research is the degree to which the non-classical rotational inertia (NCRI) phenomenon observed in the torsional oscillator experiments of Kim and Chan, is evidence for a Bose-condensed supersolid state with superfluid-like properties. In an open annular geometry, Kim and Chan found that a fraction of the solid moment of inertia is decoupled from the motion of the oscillator; however, when the annulus is blocked by a partition, the decoupled supersolid fraction is locked to the oscillator being accelerated by an AC pressure gradient generated by t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2640","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":""},"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":"0904.2640","created_at":"2026-05-18T04:34:10.203659+00:00"},{"alias_kind":"arxiv_version","alias_value":"0904.2640v2","created_at":"2026-05-18T04:34:10.203659+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2640","created_at":"2026-05-18T04:34:10.203659+00:00"},{"alias_kind":"pith_short_12","alias_value":"45BM522UY4SU","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"45BM522UY4SUW3YH","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"45BM522U","created_at":"2026-05-18T12:25:58.018023+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/45BM522UY4SUW3YHYO7XSGYFE5","json":"https://pith.science/pith/45BM522UY4SUW3YHYO7XSGYFE5.json","graph_json":"https://pith.science/api/pith-number/45BM522UY4SUW3YHYO7XSGYFE5/graph.json","events_json":"https://pith.science/api/pith-number/45BM522UY4SUW3YHYO7XSGYFE5/events.json","paper":"https://pith.science/paper/45BM522U"},"agent_actions":{"view_html":"https://pith.science/pith/45BM522UY4SUW3YHYO7XSGYFE5","download_json":"https://pith.science/pith/45BM522UY4SUW3YHYO7XSGYFE5.json","view_paper":"https://pith.science/paper/45BM522U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0904.2640&json=true","fetch_graph":"https://pith.science/api/pith-number/45BM522UY4SUW3YHYO7XSGYFE5/graph.json","fetch_events":"https://pith.science/api/pith-number/45BM522UY4SUW3YHYO7XSGYFE5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/45BM522UY4SUW3YHYO7XSGYFE5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/45BM522UY4SUW3YHYO7XSGYFE5/action/storage_attestation","attest_author":"https://pith.science/pith/45BM522UY4SUW3YHYO7XSGYFE5/action/author_attestation","sign_citation":"https://pith.science/pith/45BM522UY4SUW3YHYO7XSGYFE5/action/citation_signature","submit_replication":"https://pith.science/pith/45BM522UY4SUW3YHYO7XSGYFE5/action/replication_record"}},"created_at":"2026-05-18T04:34:10.203659+00:00","updated_at":"2026-05-18T04:34:10.203659+00:00"}