{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6Q4ESZLOFI24ORO3VGRK427CIL","short_pith_number":"pith:6Q4ESZLO","canonical_record":{"source":{"id":"1401.6687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-26T20:46:45Z","cross_cats_sorted":[],"title_canon_sha256":"ad8abeab2680a2d68a1f2042c0c6b20ff246182a5e6b24e750531d43a238c4fd","abstract_canon_sha256":"e127a11288437e0b1cd99883e123bbb0d135564fbc77ae61159404235dfacf06"},"schema_version":"1.0"},"canonical_sha256":"f43849656e2a35c745dba9a2ae6be242e67b6092811bb99c34db75192c568b11","source":{"kind":"arxiv","id":"1401.6687","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6687","created_at":"2026-05-18T03:00:48Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6687v1","created_at":"2026-05-18T03:00:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6687","created_at":"2026-05-18T03:00:48Z"},{"alias_kind":"pith_short_12","alias_value":"6Q4ESZLOFI24","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6Q4ESZLOFI24ORO3","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6Q4ESZLO","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6Q4ESZLOFI24ORO3VGRK427CIL","target":"record","payload":{"canonical_record":{"source":{"id":"1401.6687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-26T20:46:45Z","cross_cats_sorted":[],"title_canon_sha256":"ad8abeab2680a2d68a1f2042c0c6b20ff246182a5e6b24e750531d43a238c4fd","abstract_canon_sha256":"e127a11288437e0b1cd99883e123bbb0d135564fbc77ae61159404235dfacf06"},"schema_version":"1.0"},"canonical_sha256":"f43849656e2a35c745dba9a2ae6be242e67b6092811bb99c34db75192c568b11","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:00:48.766376Z","signature_b64":"W4H3LKEdw07jbcEVuvVrvqcBdlqXczpPikCyxBRfGhX15fT7NifMiXpJNugvX0w2RefDI5MBiI5IX/jKpCbmDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f43849656e2a35c745dba9a2ae6be242e67b6092811bb99c34db75192c568b11","last_reissued_at":"2026-05-18T03:00:48.765694Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:00:48.765694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.6687","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":"2026-05-18T03:00:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XpVpLfmgl6H270H4uXpRlQoVOV48iS5kZLMd+y+jjGGbtQmjCg5r83vXvzKJ5OBV0Aevllsk6hJyxJG/oN0/DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:54:01.953448Z"},"content_sha256":"c38692b7053868fae033ed5cb90e5fd3888101a8e4a8ca35bbe7ef55ba1dcf31","schema_version":"1.0","event_id":"sha256:c38692b7053868fae033ed5cb90e5fd3888101a8e4a8ca35bbe7ef55ba1dcf31"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6Q4ESZLOFI24ORO3VGRK427CIL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theory of small amplitude bimodal atomic force microscopy in ambient conditions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Sergio Santos","submitted_at":"2014-01-26T20:46:45Z","abstract_excerpt":"Small oscillation amplitudes in dynamic atomic force microscopy can lead to invasive and high resolution imaging. Here we discuss small oscillation amplitude imaging in the context of ambient conditions and simultaneously excite the second flexural mode to access contrast channels sensitive to variations in sample's properties. Two physically distinct regimes of operation are discussed, one where the tip oscillates above the hydration layer and another where the tip oscillates in perpetual contact with it. It is shown that the user can control the region to be probed via standard operational p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6687","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":"2026-05-18T03:00:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BXLKWYEuhWdNxb+zH6AYo65zPA4RPag4fiwknsmTCluwjB5yia/kfC6jOlrcCVv+ZcK8lO0mISeST5s6p3yABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:54:01.954030Z"},"content_sha256":"46d0bd938fc0aff867e9c13e3690782271a91c490f9e045bf92724b386462859","schema_version":"1.0","event_id":"sha256:46d0bd938fc0aff867e9c13e3690782271a91c490f9e045bf92724b386462859"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6Q4ESZLOFI24ORO3VGRK427CIL/bundle.json","state_url":"https://pith.science/pith/6Q4ESZLOFI24ORO3VGRK427CIL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6Q4ESZLOFI24ORO3VGRK427CIL/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":"2026-05-27T03:54:01Z","links":{"resolver":"https://pith.science/pith/6Q4ESZLOFI24ORO3VGRK427CIL","bundle":"https://pith.science/pith/6Q4ESZLOFI24ORO3VGRK427CIL/bundle.json","state":"https://pith.science/pith/6Q4ESZLOFI24ORO3VGRK427CIL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6Q4ESZLOFI24ORO3VGRK427CIL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6Q4ESZLOFI24ORO3VGRK427CIL","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":"e127a11288437e0b1cd99883e123bbb0d135564fbc77ae61159404235dfacf06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-26T20:46:45Z","title_canon_sha256":"ad8abeab2680a2d68a1f2042c0c6b20ff246182a5e6b24e750531d43a238c4fd"},"schema_version":"1.0","source":{"id":"1401.6687","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6687","created_at":"2026-05-18T03:00:48Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6687v1","created_at":"2026-05-18T03:00:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6687","created_at":"2026-05-18T03:00:48Z"},{"alias_kind":"pith_short_12","alias_value":"6Q4ESZLOFI24","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6Q4ESZLOFI24ORO3","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6Q4ESZLO","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:46d0bd938fc0aff867e9c13e3690782271a91c490f9e045bf92724b386462859","target":"graph","created_at":"2026-05-18T03:00:48Z","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":"Small oscillation amplitudes in dynamic atomic force microscopy can lead to invasive and high resolution imaging. Here we discuss small oscillation amplitude imaging in the context of ambient conditions and simultaneously excite the second flexural mode to access contrast channels sensitive to variations in sample's properties. Two physically distinct regimes of operation are discussed, one where the tip oscillates above the hydration layer and another where the tip oscillates in perpetual contact with it. It is shown that the user can control the region to be probed via standard operational p","authors_text":"Sergio Santos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-26T20:46:45Z","title":"Theory of small amplitude bimodal atomic force microscopy in ambient conditions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6687","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:c38692b7053868fae033ed5cb90e5fd3888101a8e4a8ca35bbe7ef55ba1dcf31","target":"record","created_at":"2026-05-18T03:00:48Z","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":"e127a11288437e0b1cd99883e123bbb0d135564fbc77ae61159404235dfacf06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-26T20:46:45Z","title_canon_sha256":"ad8abeab2680a2d68a1f2042c0c6b20ff246182a5e6b24e750531d43a238c4fd"},"schema_version":"1.0","source":{"id":"1401.6687","kind":"arxiv","version":1}},"canonical_sha256":"f43849656e2a35c745dba9a2ae6be242e67b6092811bb99c34db75192c568b11","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f43849656e2a35c745dba9a2ae6be242e67b6092811bb99c34db75192c568b11","first_computed_at":"2026-05-18T03:00:48.765694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:00:48.765694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"W4H3LKEdw07jbcEVuvVrvqcBdlqXczpPikCyxBRfGhX15fT7NifMiXpJNugvX0w2RefDI5MBiI5IX/jKpCbmDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:00:48.766376Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.6687","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c38692b7053868fae033ed5cb90e5fd3888101a8e4a8ca35bbe7ef55ba1dcf31","sha256:46d0bd938fc0aff867e9c13e3690782271a91c490f9e045bf92724b386462859"],"state_sha256":"9a255c98405865b71892494e685cdf67238150c73d1109a4a9428c926fa44142"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hoU4zLn41Px24Fy7Og3iRgednOkijnUEAPa5SYNTQBLmdJmYI1H4KhAUUKMqlETZ3gaY4691wnChkOopmN+tDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:54:01.956983Z","bundle_sha256":"9a6a8dee199a3eed27cbf099c0d9477569a4696755e683a762866f6ebcc87a05"}}