{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:OD3U5HZDPGCT65TGQ5XHGUXYI6","short_pith_number":"pith:OD3U5HZD","canonical_record":{"source":{"id":"1808.04687","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-14T13:48:40Z","cross_cats_sorted":[],"title_canon_sha256":"d5ef3df21df4f1d4c2551075441a60c5d35b087e6a545a0d182fad17a014fb96","abstract_canon_sha256":"876c0802b6d0825d9d8bef7880dea06032f13620683ac476c072a4d1a8d0b134"},"schema_version":"1.0"},"canonical_sha256":"70f74e9f2379853f7666876e7352f847b3d0e15375a47b5eb5c47325b64bbc08","source":{"kind":"arxiv","id":"1808.04687","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04687","created_at":"2026-05-18T00:02:24Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04687v2","created_at":"2026-05-18T00:02:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04687","created_at":"2026-05-18T00:02:24Z"},{"alias_kind":"pith_short_12","alias_value":"OD3U5HZDPGCT","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OD3U5HZDPGCT65TG","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OD3U5HZD","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:OD3U5HZDPGCT65TGQ5XHGUXYI6","target":"record","payload":{"canonical_record":{"source":{"id":"1808.04687","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-14T13:48:40Z","cross_cats_sorted":[],"title_canon_sha256":"d5ef3df21df4f1d4c2551075441a60c5d35b087e6a545a0d182fad17a014fb96","abstract_canon_sha256":"876c0802b6d0825d9d8bef7880dea06032f13620683ac476c072a4d1a8d0b134"},"schema_version":"1.0"},"canonical_sha256":"70f74e9f2379853f7666876e7352f847b3d0e15375a47b5eb5c47325b64bbc08","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:24.809111Z","signature_b64":"IpykMcn95T4Oh9rwjc6GgpAJgiYwQf56pA3YE9dMWmXy4fXXLT+BmUYF5wBhZn3dUhPrirZAQaQ5Mt07O+ysAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"70f74e9f2379853f7666876e7352f847b3d0e15375a47b5eb5c47325b64bbc08","last_reissued_at":"2026-05-18T00:02:24.808459Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:24.808459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.04687","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:02:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZYkX2vqR5uePcB16APrsfubdfLT3EBmgFu3x88lSzSDhpl6fE+WiYGYNVk3jmxcB6PY1ntzTXwYcBHjb0GYeCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T05:00:50.297342Z"},"content_sha256":"c97f14217262ec1ae7b5e5401f7f176a43ee0f8413e8ce4c716866c548906359","schema_version":"1.0","event_id":"sha256:c97f14217262ec1ae7b5e5401f7f176a43ee0f8413e8ce4c716866c548906359"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:OD3U5HZDPGCT65TGQ5XHGUXYI6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring carbon nanotube vibrations using a single-electron transistor as a fast linear amplifier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"E.A. Laird, G.A.D. Briggs, N. Ares, T. Pei, Yutian Wen","submitted_at":"2018-08-14T13:48:40Z","abstract_excerpt":"We demonstrate sensitive and fast electrical measurements of a carbon nanotube mechanical resonator. The nanotube is configured as a single-electron transistor, whose conductance is a sensitive transducer for its own displacement. Using an impedance-matching circuit followed by a cryogenic amplifier, the vibrations can be monitored in real time. The sensitivity of this continuous displacement measurement approaches within a factor 470 of the standard quantum limit."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04687","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:02:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OJhkJDLCz7CaKlUkHXOGtZXwTpFsBuFYp/Y++BLjZdzwq8mAyZNdVNfXAKmRbD+qAWCaB1ODN7txxtCiSP70Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T05:00:50.297698Z"},"content_sha256":"2d88fab60cd015c0531ceebb6f6b4f112856af2b4f69fa85d13807a18f0e846b","schema_version":"1.0","event_id":"sha256:2d88fab60cd015c0531ceebb6f6b4f112856af2b4f69fa85d13807a18f0e846b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OD3U5HZDPGCT65TGQ5XHGUXYI6/bundle.json","state_url":"https://pith.science/pith/OD3U5HZDPGCT65TGQ5XHGUXYI6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OD3U5HZDPGCT65TGQ5XHGUXYI6/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":"2026-06-03T05:00:50Z","links":{"resolver":"https://pith.science/pith/OD3U5HZDPGCT65TGQ5XHGUXYI6","bundle":"https://pith.science/pith/OD3U5HZDPGCT65TGQ5XHGUXYI6/bundle.json","state":"https://pith.science/pith/OD3U5HZDPGCT65TGQ5XHGUXYI6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OD3U5HZDPGCT65TGQ5XHGUXYI6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OD3U5HZDPGCT65TGQ5XHGUXYI6","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":"876c0802b6d0825d9d8bef7880dea06032f13620683ac476c072a4d1a8d0b134","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-14T13:48:40Z","title_canon_sha256":"d5ef3df21df4f1d4c2551075441a60c5d35b087e6a545a0d182fad17a014fb96"},"schema_version":"1.0","source":{"id":"1808.04687","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04687","created_at":"2026-05-18T00:02:24Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04687v2","created_at":"2026-05-18T00:02:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04687","created_at":"2026-05-18T00:02:24Z"},{"alias_kind":"pith_short_12","alias_value":"OD3U5HZDPGCT","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OD3U5HZDPGCT65TG","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OD3U5HZD","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:2d88fab60cd015c0531ceebb6f6b4f112856af2b4f69fa85d13807a18f0e846b","target":"graph","created_at":"2026-05-18T00:02:24Z","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 sensitive and fast electrical measurements of a carbon nanotube mechanical resonator. The nanotube is configured as a single-electron transistor, whose conductance is a sensitive transducer for its own displacement. Using an impedance-matching circuit followed by a cryogenic amplifier, the vibrations can be monitored in real time. The sensitivity of this continuous displacement measurement approaches within a factor 470 of the standard quantum limit.","authors_text":"E.A. Laird, G.A.D. Briggs, N. Ares, T. Pei, Yutian Wen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-14T13:48:40Z","title":"Measuring carbon nanotube vibrations using a single-electron transistor as a fast linear amplifier"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04687","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:c97f14217262ec1ae7b5e5401f7f176a43ee0f8413e8ce4c716866c548906359","target":"record","created_at":"2026-05-18T00:02:24Z","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":"876c0802b6d0825d9d8bef7880dea06032f13620683ac476c072a4d1a8d0b134","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-08-14T13:48:40Z","title_canon_sha256":"d5ef3df21df4f1d4c2551075441a60c5d35b087e6a545a0d182fad17a014fb96"},"schema_version":"1.0","source":{"id":"1808.04687","kind":"arxiv","version":2}},"canonical_sha256":"70f74e9f2379853f7666876e7352f847b3d0e15375a47b5eb5c47325b64bbc08","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"70f74e9f2379853f7666876e7352f847b3d0e15375a47b5eb5c47325b64bbc08","first_computed_at":"2026-05-18T00:02:24.808459Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:24.808459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IpykMcn95T4Oh9rwjc6GgpAJgiYwQf56pA3YE9dMWmXy4fXXLT+BmUYF5wBhZn3dUhPrirZAQaQ5Mt07O+ysAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:24.809111Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.04687","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c97f14217262ec1ae7b5e5401f7f176a43ee0f8413e8ce4c716866c548906359","sha256:2d88fab60cd015c0531ceebb6f6b4f112856af2b4f69fa85d13807a18f0e846b"],"state_sha256":"0d281f3442d728a8344fdccffdae107a8c7efc2192074b344e62b1dc98661c3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4gBlGMAm+7dQYctygkORxnXSkuYGYb5HO25TZCGYHBGjnv14agRTGCYUuuNAhb+AfMLmre6Vnv31GDYgr1IfDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T05:00:50.299664Z","bundle_sha256":"edcd2c3678ee64c1770ab315db208de52a33b5e5c2e730aa8d97af0a63648279"}}