{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:ENDP42ARCKYUXYSOO45F52HQ4X","short_pith_number":"pith:ENDP42AR","canonical_record":{"source":{"id":"0706.0540","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"physics.gen-ph","submitted_at":"2007-06-04T21:20:00Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"288d82d444c8e2b34b6679bb4720ab7c31a406101038e40b70bf66159e2328af","abstract_canon_sha256":"45c2893e5e88d79e3610053b18b0ad0e90f2627254a5069365758e73a7b045b7"},"schema_version":"1.0"},"canonical_sha256":"2346fe681112b14be24e773a5ee8f0e5da0db5d893cf33c3cfa0d31958c325c4","source":{"kind":"arxiv","id":"0706.0540","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.0540","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"arxiv_version","alias_value":"0706.0540v2","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.0540","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"pith_short_12","alias_value":"ENDP42ARCKYU","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"pith_short_16","alias_value":"ENDP42ARCKYUXYSO","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"pith_short_8","alias_value":"ENDP42AR","created_at":"2026-07-04T17:04:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:ENDP42ARCKYUXYSOO45F52HQ4X","target":"record","payload":{"canonical_record":{"source":{"id":"0706.0540","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"physics.gen-ph","submitted_at":"2007-06-04T21:20:00Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"288d82d444c8e2b34b6679bb4720ab7c31a406101038e40b70bf66159e2328af","abstract_canon_sha256":"45c2893e5e88d79e3610053b18b0ad0e90f2627254a5069365758e73a7b045b7"},"schema_version":"1.0"},"canonical_sha256":"2346fe681112b14be24e773a5ee8f0e5da0db5d893cf33c3cfa0d31958c325c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:04:04.853507Z","signature_b64":"anP0Nuj/rVxauGN45/tSZH1HgobOPZochkfzVmH90wOw1H8dxJe6TS+87VN76dP98b/+Dpz3DyTFCjqrXu6kBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2346fe681112b14be24e773a5ee8f0e5da0db5d893cf33c3cfa0d31958c325c4","last_reissued_at":"2026-07-04T17:04:04.853096Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:04:04.853096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0706.0540","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":"2026-07-04T17:04:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qDqOoSfwJnNV15OAUcHt0j5RaUOmfy3e86Wqs6f43BgI3JhD7Wwm6rHm3fx6SZ3pWdMtsu/oHX/OyfcL9QPtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:30:17.484366Z"},"content_sha256":"9864d50dfd56c5a2370af47bf4c3f29184d253c528d172873b40471c0a15495f","schema_version":"1.0","event_id":"sha256:9864d50dfd56c5a2370af47bf4c3f29184d253c528d172873b40471c0a15495f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:ENDP42ARCKYUXYSOO45F52HQ4X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A microfabricated sensor for thin dielectric layers","license":"","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.gen-ph","authors_text":"A. Pocar, B. Flatt, F. LePort, G. Gratta, J. Wodin, K. O'Sullivan, M. Green, M. Montero Diez, P. Fierlinger, R. DeVoe, R. Neilson, S. Kolkowitz","submitted_at":"2007-06-04T21:20:00Z","abstract_excerpt":"We describe a sensor for the measurement of thin dielectric layers capable of operation in a variety of environments. The sensor is obtained by microfabricating a capacitor with interleaved aluminum fingers, exposed to the dielectric to be measured. In particular, the device can measure thin layers of solid frozen from a liquid or gaseous medium. Sensitivity to single atomic layers is achievable in many configurations and, by utilizing fast, high sensitivity capacitance read out in a feedback system onto environmental parameters, coatings of few layers can be dynamically maintained. We discuss"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.0540","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0706.0540/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:04:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X7+aSvs9yi6cFQSZeJRbaJHTApZCeviH63LfIUBSQrBUJL+k7ws1yKXOHsVdAicv+Lx8Fo3hRWj291S+nlcXBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:30:17.484737Z"},"content_sha256":"2334090ee0eceaabcbf425973dd0bc91a63816be75cd8642e937f52f46cfe274","schema_version":"1.0","event_id":"sha256:2334090ee0eceaabcbf425973dd0bc91a63816be75cd8642e937f52f46cfe274"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ENDP42ARCKYUXYSOO45F52HQ4X/bundle.json","state_url":"https://pith.science/pith/ENDP42ARCKYUXYSOO45F52HQ4X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ENDP42ARCKYUXYSOO45F52HQ4X/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":"2026-07-07T13:30:17Z","links":{"resolver":"https://pith.science/pith/ENDP42ARCKYUXYSOO45F52HQ4X","bundle":"https://pith.science/pith/ENDP42ARCKYUXYSOO45F52HQ4X/bundle.json","state":"https://pith.science/pith/ENDP42ARCKYUXYSOO45F52HQ4X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ENDP42ARCKYUXYSOO45F52HQ4X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:ENDP42ARCKYUXYSOO45F52HQ4X","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":"45c2893e5e88d79e3610053b18b0ad0e90f2627254a5069365758e73a7b045b7","cross_cats_sorted":["physics.atom-ph"],"license":"","primary_cat":"physics.gen-ph","submitted_at":"2007-06-04T21:20:00Z","title_canon_sha256":"288d82d444c8e2b34b6679bb4720ab7c31a406101038e40b70bf66159e2328af"},"schema_version":"1.0","source":{"id":"0706.0540","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.0540","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"arxiv_version","alias_value":"0706.0540v2","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.0540","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"pith_short_12","alias_value":"ENDP42ARCKYU","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"pith_short_16","alias_value":"ENDP42ARCKYUXYSO","created_at":"2026-07-04T17:04:04Z"},{"alias_kind":"pith_short_8","alias_value":"ENDP42AR","created_at":"2026-07-04T17:04:04Z"}],"graph_snapshots":[{"event_id":"sha256:2334090ee0eceaabcbf425973dd0bc91a63816be75cd8642e937f52f46cfe274","target":"graph","created_at":"2026-07-04T17:04:04Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0706.0540/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe a sensor for the measurement of thin dielectric layers capable of operation in a variety of environments. The sensor is obtained by microfabricating a capacitor with interleaved aluminum fingers, exposed to the dielectric to be measured. In particular, the device can measure thin layers of solid frozen from a liquid or gaseous medium. Sensitivity to single atomic layers is achievable in many configurations and, by utilizing fast, high sensitivity capacitance read out in a feedback system onto environmental parameters, coatings of few layers can be dynamically maintained. We discuss","authors_text":"A. Pocar, B. Flatt, F. LePort, G. Gratta, J. Wodin, K. O'Sullivan, M. Green, M. Montero Diez, P. Fierlinger, R. DeVoe, R. Neilson, S. Kolkowitz","cross_cats":["physics.atom-ph"],"headline":"","license":"","primary_cat":"physics.gen-ph","submitted_at":"2007-06-04T21:20:00Z","title":"A microfabricated sensor for thin dielectric layers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.0540","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":"sha256:9864d50dfd56c5a2370af47bf4c3f29184d253c528d172873b40471c0a15495f","target":"record","created_at":"2026-07-04T17:04:04Z","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":"45c2893e5e88d79e3610053b18b0ad0e90f2627254a5069365758e73a7b045b7","cross_cats_sorted":["physics.atom-ph"],"license":"","primary_cat":"physics.gen-ph","submitted_at":"2007-06-04T21:20:00Z","title_canon_sha256":"288d82d444c8e2b34b6679bb4720ab7c31a406101038e40b70bf66159e2328af"},"schema_version":"1.0","source":{"id":"0706.0540","kind":"arxiv","version":2}},"canonical_sha256":"2346fe681112b14be24e773a5ee8f0e5da0db5d893cf33c3cfa0d31958c325c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2346fe681112b14be24e773a5ee8f0e5da0db5d893cf33c3cfa0d31958c325c4","first_computed_at":"2026-07-04T17:04:04.853096Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:04:04.853096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"anP0Nuj/rVxauGN45/tSZH1HgobOPZochkfzVmH90wOw1H8dxJe6TS+87VN76dP98b/+Dpz3DyTFCjqrXu6kBw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:04:04.853507Z","signed_message":"canonical_sha256_bytes"},"source_id":"0706.0540","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9864d50dfd56c5a2370af47bf4c3f29184d253c528d172873b40471c0a15495f","sha256:2334090ee0eceaabcbf425973dd0bc91a63816be75cd8642e937f52f46cfe274"],"state_sha256":"9a46245c404af6de6feda340e239e6d351f3380d5bf460b7826a2454413c3031"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"69iDAXdhy4OAmFbllH54sbbssKlZQ+CL4jpwiegQYVmuNcpm63CTWhGV+wBK4FzVLw5GvrMGxUeKZ7N6jtOjBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:30:17.486655Z","bundle_sha256":"e64e7c95c7924cd251ae69901367883c2369f1e558d93a43579cfd970fde0d60"}}