{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LSRGCC4IHFG5P563363OFAMLKH","short_pith_number":"pith:LSRGCC4I","canonical_record":{"source":{"id":"1205.3215","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-05-14T22:59:53Z","cross_cats_sorted":[],"title_canon_sha256":"7a556eade9dfc97370ff38f8cf69fd8ebd3cc27bcf83e1bfda0608e6cd8dcb0a","abstract_canon_sha256":"27d182744df9105822b225ec385ec83e0f405fd95212716cb19758299d1eddcd"},"schema_version":"1.0"},"canonical_sha256":"5ca2610b88394dd7f7dbdfb6e2818b51ff76526ed01c136b91a1504ce60aa792","source":{"kind":"arxiv","id":"1205.3215","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3215","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3215v1","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3215","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"pith_short_12","alias_value":"LSRGCC4IHFG5","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LSRGCC4IHFG5P563","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LSRGCC4I","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LSRGCC4IHFG5P563363OFAMLKH","target":"record","payload":{"canonical_record":{"source":{"id":"1205.3215","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-05-14T22:59:53Z","cross_cats_sorted":[],"title_canon_sha256":"7a556eade9dfc97370ff38f8cf69fd8ebd3cc27bcf83e1bfda0608e6cd8dcb0a","abstract_canon_sha256":"27d182744df9105822b225ec385ec83e0f405fd95212716cb19758299d1eddcd"},"schema_version":"1.0"},"canonical_sha256":"5ca2610b88394dd7f7dbdfb6e2818b51ff76526ed01c136b91a1504ce60aa792","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:32.225917Z","signature_b64":"hZ+CrkOspnY7VZuFgoUQPhkrMh7S+vwXrwvPCeszZui0g+wyOSQfx+dN+s9TQOP81kfd+EeviyuvNNqeJRVJBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ca2610b88394dd7f7dbdfb6e2818b51ff76526ed01c136b91a1504ce60aa792","last_reissued_at":"2026-05-18T01:57:32.225294Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:32.225294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.3215","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":"2026-05-18T01:57:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d6m3TEOv3SQJ0Z9CI5b3I2sAa3WCkh/J0Sw76hXlsMauOUCnrwbge+rkwZim3qEsxWicC1N8GaXM66fB3fSGCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:44:57.298288Z"},"content_sha256":"0dc1935851f86f2d1b3a22b844d94ff5056bc6d75fb3c4f8b40ab7bf37ebddd2","schema_version":"1.0","event_id":"sha256:0dc1935851f86f2d1b3a22b844d94ff5056bc6d75fb3c4f8b40ab7bf37ebddd2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LSRGCC4IHFG5P563363OFAMLKH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wide Stiffness Range Cavity Optomechanical Sensors for Atomic Force Microscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Houxun Miao, Kartik Srinivasan, Vladimir Aksyuk, Yuxiang Liu","submitted_at":"2012-05-14T22:59:53Z","abstract_excerpt":"We report on progress in developing compact sensors for atomic force microscopy (AFM), in which the mechanical transducer is integrated with near-field optical readout on a single chip. The motion of a nanoscale, doubly-clamped cantilever was transduced by an adjacent high quality factor silicon microdisk cavity. In particular, we show that displacement sensitivity on the order of 1 fm/(Hz)^(1/2) can be achieved while the cantilever stiffness is varied over four orders of magnitude (\\approx 0.01 N/m to \\approx 290 N/m). The ability to transduce both very soft and very stiff cantilevers extends"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3215","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":"2026-05-18T01:57:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7H5Bp8onN0qGD4fQ241xGE5aybyuYe6uE4o3jdPqcqLkhsXqAcN8jDzNNdlfsYxDryuqc+uua801ge7FoA0BBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:44:57.298647Z"},"content_sha256":"7ad7a7a78d32d748a883efdc12e9c93234f6f2f4da71d01dffd13223605367fc","schema_version":"1.0","event_id":"sha256:7ad7a7a78d32d748a883efdc12e9c93234f6f2f4da71d01dffd13223605367fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LSRGCC4IHFG5P563363OFAMLKH/bundle.json","state_url":"https://pith.science/pith/LSRGCC4IHFG5P563363OFAMLKH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LSRGCC4IHFG5P563363OFAMLKH/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":"2026-05-28T15:44:57Z","links":{"resolver":"https://pith.science/pith/LSRGCC4IHFG5P563363OFAMLKH","bundle":"https://pith.science/pith/LSRGCC4IHFG5P563363OFAMLKH/bundle.json","state":"https://pith.science/pith/LSRGCC4IHFG5P563363OFAMLKH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LSRGCC4IHFG5P563363OFAMLKH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LSRGCC4IHFG5P563363OFAMLKH","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":"27d182744df9105822b225ec385ec83e0f405fd95212716cb19758299d1eddcd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-05-14T22:59:53Z","title_canon_sha256":"7a556eade9dfc97370ff38f8cf69fd8ebd3cc27bcf83e1bfda0608e6cd8dcb0a"},"schema_version":"1.0","source":{"id":"1205.3215","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3215","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3215v1","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3215","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"pith_short_12","alias_value":"LSRGCC4IHFG5","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LSRGCC4IHFG5P563","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LSRGCC4I","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:7ad7a7a78d32d748a883efdc12e9c93234f6f2f4da71d01dffd13223605367fc","target":"graph","created_at":"2026-05-18T01:57:32Z","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 progress in developing compact sensors for atomic force microscopy (AFM), in which the mechanical transducer is integrated with near-field optical readout on a single chip. The motion of a nanoscale, doubly-clamped cantilever was transduced by an adjacent high quality factor silicon microdisk cavity. In particular, we show that displacement sensitivity on the order of 1 fm/(Hz)^(1/2) can be achieved while the cantilever stiffness is varied over four orders of magnitude (\\approx 0.01 N/m to \\approx 290 N/m). The ability to transduce both very soft and very stiff cantilevers extends","authors_text":"Houxun Miao, Kartik Srinivasan, Vladimir Aksyuk, Yuxiang Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-05-14T22:59:53Z","title":"Wide Stiffness Range Cavity Optomechanical Sensors for Atomic Force Microscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3215","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":"sha256:0dc1935851f86f2d1b3a22b844d94ff5056bc6d75fb3c4f8b40ab7bf37ebddd2","target":"record","created_at":"2026-05-18T01:57:32Z","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":"27d182744df9105822b225ec385ec83e0f405fd95212716cb19758299d1eddcd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-05-14T22:59:53Z","title_canon_sha256":"7a556eade9dfc97370ff38f8cf69fd8ebd3cc27bcf83e1bfda0608e6cd8dcb0a"},"schema_version":"1.0","source":{"id":"1205.3215","kind":"arxiv","version":1}},"canonical_sha256":"5ca2610b88394dd7f7dbdfb6e2818b51ff76526ed01c136b91a1504ce60aa792","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ca2610b88394dd7f7dbdfb6e2818b51ff76526ed01c136b91a1504ce60aa792","first_computed_at":"2026-05-18T01:57:32.225294Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:32.225294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hZ+CrkOspnY7VZuFgoUQPhkrMh7S+vwXrwvPCeszZui0g+wyOSQfx+dN+s9TQOP81kfd+EeviyuvNNqeJRVJBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:32.225917Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.3215","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0dc1935851f86f2d1b3a22b844d94ff5056bc6d75fb3c4f8b40ab7bf37ebddd2","sha256:7ad7a7a78d32d748a883efdc12e9c93234f6f2f4da71d01dffd13223605367fc"],"state_sha256":"116b125212d8a87d84cc1000147f1cdf12f18171446815cb935e3f0c3c03e034"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PUNNEhSzEYmWocVYJvkQNc87N1GJl9ic7dd+R0+502t3d9lmoYD6vTZrkWj08BfysOoNVnWi9BSo0o0uE2b6DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T15:44:57.300599Z","bundle_sha256":"fe03d276863cc319106e8f7558ea0b321332c57720260552d6b545122a65ab4d"}}