{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZHKNJO67CWFJ34LPAT43GXBJGU","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":"cc01cfd92499946deb58820cd0b95426cedab7e0ed01b4b76d06fb45b47380e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-08-19T14:02:36Z","title_canon_sha256":"d09212385bf1c0fdf9c70cb58b4f8a201a93d298fc603a2f8b249cd77c65708b"},"schema_version":"1.0","source":{"id":"1708.05846","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05846","created_at":"2026-05-18T00:31:50Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05846v2","created_at":"2026-05-18T00:31:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05846","created_at":"2026-05-18T00:31:50Z"},{"alias_kind":"pith_short_12","alias_value":"ZHKNJO67CWFJ","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZHKNJO67CWFJ34LP","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZHKNJO67","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:0c1ccd1c747d0accfdb5badaf226728b6d165b582f66c07d8df1080fdda0ec5b","target":"graph","created_at":"2026-05-18T00:31:50Z","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":"We demonstrate the passive control of viscous flow in a channel by using an elastic arch embedded in the flow. Depending on the fluid flux, the arch may `snap' between two states --- constricting and unconstricting --- that differ in hydraulic conductivity by up to an order of magnitude. We use a combination of experiments at a macroscopic scale and theory to study the constricting and unconstricting states, and determine the critical flux required to transition between them. We show that such a device may be precisely tuned for use in a range of applications, and in particular has potential a","authors_text":"Derek E. Moulton, Dominic Vella, Michael Gomez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-08-19T14:02:36Z","title":"Passive control of viscous flow via elastic snap-through"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05846","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":"sha256:4ad5d54f52578a6f85aaa0bcc92eafe5c50e72554bcdc9cb54f612a313ce429a","target":"record","created_at":"2026-05-18T00:31:50Z","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":"cc01cfd92499946deb58820cd0b95426cedab7e0ed01b4b76d06fb45b47380e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-08-19T14:02:36Z","title_canon_sha256":"d09212385bf1c0fdf9c70cb58b4f8a201a93d298fc603a2f8b249cd77c65708b"},"schema_version":"1.0","source":{"id":"1708.05846","kind":"arxiv","version":2}},"canonical_sha256":"c9d4d4bbdf158a9df16f04f9b35c293504f3115404f8310e69dad33e97ef96fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9d4d4bbdf158a9df16f04f9b35c293504f3115404f8310e69dad33e97ef96fb","first_computed_at":"2026-05-18T00:31:50.572766Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:50.572766Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y7p6qfvaPbjt/UeZ2+9gP968tVSJmZ2AJ76acQItAP+z/sFcLpZuhuEAEJaCaPJvBapNmfUS2anoTC/QvJDJBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:50.573537Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.05846","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ad5d54f52578a6f85aaa0bcc92eafe5c50e72554bcdc9cb54f612a313ce429a","sha256:0c1ccd1c747d0accfdb5badaf226728b6d165b582f66c07d8df1080fdda0ec5b"],"state_sha256":"958e2872ad56e02a710f31f5d3a47f5bc50ded3e1ac258b1cd2f544fe58914d1"}