{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LQRHD777Z2PQEUYJTIEGXDQTPG","short_pith_number":"pith:LQRHD777","canonical_record":{"source":{"id":"1806.05396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-06-14T07:13:44Z","cross_cats_sorted":[],"title_canon_sha256":"dda6b42e41c53eacb51e87310d6ad179bc1aa27a91bd09fe8ca73bb4ef1d9611","abstract_canon_sha256":"10a4680561343d8c3dc02d59e877f81efdba54d3ae01672986b058c80bff70f3"},"schema_version":"1.0"},"canonical_sha256":"5c2271ffffce9f0253099a086b8e1379a1649118848d366efa9b5ff591c5f901","source":{"kind":"arxiv","id":"1806.05396","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.05396","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"arxiv_version","alias_value":"1806.05396v1","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.05396","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"pith_short_12","alias_value":"LQRHD777Z2PQ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LQRHD777Z2PQEUYJ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LQRHD777","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LQRHD777Z2PQEUYJTIEGXDQTPG","target":"record","payload":{"canonical_record":{"source":{"id":"1806.05396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-06-14T07:13:44Z","cross_cats_sorted":[],"title_canon_sha256":"dda6b42e41c53eacb51e87310d6ad179bc1aa27a91bd09fe8ca73bb4ef1d9611","abstract_canon_sha256":"10a4680561343d8c3dc02d59e877f81efdba54d3ae01672986b058c80bff70f3"},"schema_version":"1.0"},"canonical_sha256":"5c2271ffffce9f0253099a086b8e1379a1649118848d366efa9b5ff591c5f901","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:16.096040Z","signature_b64":"lJn8ylO+9D4Gqszrl18ZFk+5ia9bd56pBlspHL343mOXLZfC7WSj/BeeCrBIuzLL8GbiiW6qOBPYYCd+NCFTDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c2271ffffce9f0253099a086b8e1379a1649118848d366efa9b5ff591c5f901","last_reissued_at":"2026-05-18T00:13:16.095277Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:16.095277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.05396","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:13:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W47KeIMdxcG+1eDh/RBydxAwkjvBS5HTpAKasaG3MmFKTmPcqRYFcoAJlZ+zZ3lF87vWX2745JocJJnck8YmAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T08:08:59.786383Z"},"content_sha256":"f87b248d40b0a68d57affcbfb9e8ff21efbb5dda4f792f9c76835e1c6b888710","schema_version":"1.0","event_id":"sha256:f87b248d40b0a68d57affcbfb9e8ff21efbb5dda4f792f9c76835e1c6b888710"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LQRHD777Z2PQEUYJTIEGXDQTPG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Flow sensor based on the snap-through detection of a curved micromechanical beam","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Alex Liberzon, Robert Ilic, Slava Krylov, Yoav Kessler","submitted_at":"2018-06-14T07:13:44Z","abstract_excerpt":"We report on a flow velocity measurement technique based on snap-through detection of an electrostatically actuated, bistable micromechanical beam. We show that induced elecro-thermal Joule heating and the convective air cooling change the beam curvature and consequently the critical snap-through voltage ($V_{ST}$). Using single crystal silicon beams, we demonstrate the snap-through voltage to flow velocity sensitivity of $dV_{\\text{ST}}/du \\approx0.13$ V s m$^{-1}$ with a power consumption of $\\approx360\\; \\mu$W. Our experimental results were in accord with the reduced order, coupled, thermo-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.05396","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:13:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GXvk4HCdYipJFRjbdyue9pV3h83zcuGkXapPCKbcBAqpGhptwGVOXReWnSsb0dxAP5T9MgDP83mDe5FudI2uBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T08:08:59.787083Z"},"content_sha256":"4d6b74640556cb64ad44fe43057ded7452e5ffafaf33a90ab5573adcc3f141b3","schema_version":"1.0","event_id":"sha256:4d6b74640556cb64ad44fe43057ded7452e5ffafaf33a90ab5573adcc3f141b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LQRHD777Z2PQEUYJTIEGXDQTPG/bundle.json","state_url":"https://pith.science/pith/LQRHD777Z2PQEUYJTIEGXDQTPG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LQRHD777Z2PQEUYJTIEGXDQTPG/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-07T08:08:59Z","links":{"resolver":"https://pith.science/pith/LQRHD777Z2PQEUYJTIEGXDQTPG","bundle":"https://pith.science/pith/LQRHD777Z2PQEUYJTIEGXDQTPG/bundle.json","state":"https://pith.science/pith/LQRHD777Z2PQEUYJTIEGXDQTPG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LQRHD777Z2PQEUYJTIEGXDQTPG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LQRHD777Z2PQEUYJTIEGXDQTPG","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":"10a4680561343d8c3dc02d59e877f81efdba54d3ae01672986b058c80bff70f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-06-14T07:13:44Z","title_canon_sha256":"dda6b42e41c53eacb51e87310d6ad179bc1aa27a91bd09fe8ca73bb4ef1d9611"},"schema_version":"1.0","source":{"id":"1806.05396","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.05396","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"arxiv_version","alias_value":"1806.05396v1","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.05396","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"pith_short_12","alias_value":"LQRHD777Z2PQ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LQRHD777Z2PQEUYJ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LQRHD777","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:4d6b74640556cb64ad44fe43057ded7452e5ffafaf33a90ab5573adcc3f141b3","target":"graph","created_at":"2026-05-18T00:13:16Z","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 report on a flow velocity measurement technique based on snap-through detection of an electrostatically actuated, bistable micromechanical beam. We show that induced elecro-thermal Joule heating and the convective air cooling change the beam curvature and consequently the critical snap-through voltage ($V_{ST}$). Using single crystal silicon beams, we demonstrate the snap-through voltage to flow velocity sensitivity of $dV_{\\text{ST}}/du \\approx0.13$ V s m$^{-1}$ with a power consumption of $\\approx360\\; \\mu$W. Our experimental results were in accord with the reduced order, coupled, thermo-","authors_text":"Alex Liberzon, Robert Ilic, Slava Krylov, Yoav Kessler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-06-14T07:13:44Z","title":"Flow sensor based on the snap-through detection of a curved micromechanical beam"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.05396","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:f87b248d40b0a68d57affcbfb9e8ff21efbb5dda4f792f9c76835e1c6b888710","target":"record","created_at":"2026-05-18T00:13:16Z","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":"10a4680561343d8c3dc02d59e877f81efdba54d3ae01672986b058c80bff70f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-06-14T07:13:44Z","title_canon_sha256":"dda6b42e41c53eacb51e87310d6ad179bc1aa27a91bd09fe8ca73bb4ef1d9611"},"schema_version":"1.0","source":{"id":"1806.05396","kind":"arxiv","version":1}},"canonical_sha256":"5c2271ffffce9f0253099a086b8e1379a1649118848d366efa9b5ff591c5f901","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c2271ffffce9f0253099a086b8e1379a1649118848d366efa9b5ff591c5f901","first_computed_at":"2026-05-18T00:13:16.095277Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:16.095277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lJn8ylO+9D4Gqszrl18ZFk+5ia9bd56pBlspHL343mOXLZfC7WSj/BeeCrBIuzLL8GbiiW6qOBPYYCd+NCFTDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:16.096040Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.05396","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f87b248d40b0a68d57affcbfb9e8ff21efbb5dda4f792f9c76835e1c6b888710","sha256:4d6b74640556cb64ad44fe43057ded7452e5ffafaf33a90ab5573adcc3f141b3"],"state_sha256":"545c5bbb3884c9608f04aa3a348c285983b57031803cdd1c1718e7a973780c22"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RxivJzmxeEn9GLhG3HueNPpnhShazM/PC6SdpH5D/yIbhsMxmUVC6AVW5BNKefuLwky9h0eQS1wmWQVhPwozCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T08:08:59.790423Z","bundle_sha256":"e9538e266c951b4e67be2abcc284ec5e2b9bf3a655c7084fa9fb380bc67edea2"}}