{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:XLVS5B3OIDGBQBLRANBOXVZ4KY","short_pith_number":"pith:XLVS5B3O","canonical_record":{"source":{"id":"1903.04605","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-03-11T21:05:56Z","cross_cats_sorted":[],"title_canon_sha256":"118843bf57510e7686dd78392bada06d33096f74555bcdc03103e700a76692c5","abstract_canon_sha256":"1bdee2e2050175db810b437a245bc977b23f02e32f631cce9f4cfda864b0d2fd"},"schema_version":"1.0"},"canonical_sha256":"baeb2e876e40cc1805710342ebd73c56303a7251329822f89f0504bd13e83090","source":{"kind":"arxiv","id":"1903.04605","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.04605","created_at":"2026-05-17T23:51:21Z"},{"alias_kind":"arxiv_version","alias_value":"1903.04605v2","created_at":"2026-05-17T23:51:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.04605","created_at":"2026-05-17T23:51:21Z"},{"alias_kind":"pith_short_12","alias_value":"XLVS5B3OIDGB","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XLVS5B3OIDGBQBLR","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XLVS5B3O","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:XLVS5B3OIDGBQBLRANBOXVZ4KY","target":"record","payload":{"canonical_record":{"source":{"id":"1903.04605","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-03-11T21:05:56Z","cross_cats_sorted":[],"title_canon_sha256":"118843bf57510e7686dd78392bada06d33096f74555bcdc03103e700a76692c5","abstract_canon_sha256":"1bdee2e2050175db810b437a245bc977b23f02e32f631cce9f4cfda864b0d2fd"},"schema_version":"1.0"},"canonical_sha256":"baeb2e876e40cc1805710342ebd73c56303a7251329822f89f0504bd13e83090","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:21.031041Z","signature_b64":"tynWJ24DRdTVUg+QY/HoEvi4+gGa1JJh4ylSN6gXdC2icXfzsYVgiuVbdZ8yinuLqkdz/Xk3NCYucwqOVNYoBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"baeb2e876e40cc1805710342ebd73c56303a7251329822f89f0504bd13e83090","last_reissued_at":"2026-05-17T23:51:21.030425Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:21.030425Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.04605","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":"2026-05-17T23:51:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rdlTAmE+4GMA/VyHw+EvZ07U/WeU+lQ7hM38tZi0zfPkYe77F1LXFvgsDpgqK7S2jHvR+3zn8Dq4OxVUVKr0BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:10:16.607286Z"},"content_sha256":"d795b0f771aa0908c9288b3c4460ea43e6ccc65b650d6c933eae4dcf00509088","schema_version":"1.0","event_id":"sha256:d795b0f771aa0908c9288b3c4460ea43e6ccc65b650d6c933eae4dcf00509088"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:XLVS5B3OIDGBQBLRANBOXVZ4KY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inverted Scanning Microwave Microscope for In Vitro Imaging and Characterization of Biological Cells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Andrea di Donato, Antonio Morini, Davide Mencarelli, Eleonora Pavoni, Francesco Piacenza, Gianluca Fabi, James C. M. Hwang, Marco Farina, Richard Al Hadi, Tiziana Pietrangelo, Xin Jin, Xuanhong Cheng, Yan Zhao","submitted_at":"2019-03-11T21:05:56Z","abstract_excerpt":"This paper presents for the first time an innovative instrument called an inverted scanning microwave microscope (iSMM), which is capable of noninvasive and label-free imaging and characterization of intracellular structures of a live cell on the nanometer scale. In particular, the iSMM is sensitive to not only surface structures, but also ectromagnetic properties up to one micrometer below the surface. Conveniently, the iSMM can be constructed through straightforward conversion of any scanning probe microscope, such as the atomic force microscope or the scanning tunneling microscope, with a s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.04605","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":"2026-05-17T23:51:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BphU0ilawqn6/2arqsryNWA5lOXxxS+3pvKx3sZXIhOs7+yotrVnC7QHcwCw/IcEMpEIPCKugIVawDgV6qx6Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:10:16.607653Z"},"content_sha256":"fc51b68a3643f31bd2dba4ff35be1c5b6900d187844da2516c0e6ee47d9122c0","schema_version":"1.0","event_id":"sha256:fc51b68a3643f31bd2dba4ff35be1c5b6900d187844da2516c0e6ee47d9122c0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XLVS5B3OIDGBQBLRANBOXVZ4KY/bundle.json","state_url":"https://pith.science/pith/XLVS5B3OIDGBQBLRANBOXVZ4KY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XLVS5B3OIDGBQBLRANBOXVZ4KY/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":"2026-06-02T15:10:16Z","links":{"resolver":"https://pith.science/pith/XLVS5B3OIDGBQBLRANBOXVZ4KY","bundle":"https://pith.science/pith/XLVS5B3OIDGBQBLRANBOXVZ4KY/bundle.json","state":"https://pith.science/pith/XLVS5B3OIDGBQBLRANBOXVZ4KY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XLVS5B3OIDGBQBLRANBOXVZ4KY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:XLVS5B3OIDGBQBLRANBOXVZ4KY","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":"1bdee2e2050175db810b437a245bc977b23f02e32f631cce9f4cfda864b0d2fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-03-11T21:05:56Z","title_canon_sha256":"118843bf57510e7686dd78392bada06d33096f74555bcdc03103e700a76692c5"},"schema_version":"1.0","source":{"id":"1903.04605","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.04605","created_at":"2026-05-17T23:51:21Z"},{"alias_kind":"arxiv_version","alias_value":"1903.04605v2","created_at":"2026-05-17T23:51:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.04605","created_at":"2026-05-17T23:51:21Z"},{"alias_kind":"pith_short_12","alias_value":"XLVS5B3OIDGB","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XLVS5B3OIDGBQBLR","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XLVS5B3O","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:fc51b68a3643f31bd2dba4ff35be1c5b6900d187844da2516c0e6ee47d9122c0","target":"graph","created_at":"2026-05-17T23:51:21Z","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":"This paper presents for the first time an innovative instrument called an inverted scanning microwave microscope (iSMM), which is capable of noninvasive and label-free imaging and characterization of intracellular structures of a live cell on the nanometer scale. In particular, the iSMM is sensitive to not only surface structures, but also ectromagnetic properties up to one micrometer below the surface. Conveniently, the iSMM can be constructed through straightforward conversion of any scanning probe microscope, such as the atomic force microscope or the scanning tunneling microscope, with a s","authors_text":"Andrea di Donato, Antonio Morini, Davide Mencarelli, Eleonora Pavoni, Francesco Piacenza, Gianluca Fabi, James C. M. Hwang, Marco Farina, Richard Al Hadi, Tiziana Pietrangelo, Xin Jin, Xuanhong Cheng, Yan Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-03-11T21:05:56Z","title":"Inverted Scanning Microwave Microscope for In Vitro Imaging and Characterization of Biological Cells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.04605","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:d795b0f771aa0908c9288b3c4460ea43e6ccc65b650d6c933eae4dcf00509088","target":"record","created_at":"2026-05-17T23:51:21Z","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":"1bdee2e2050175db810b437a245bc977b23f02e32f631cce9f4cfda864b0d2fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-03-11T21:05:56Z","title_canon_sha256":"118843bf57510e7686dd78392bada06d33096f74555bcdc03103e700a76692c5"},"schema_version":"1.0","source":{"id":"1903.04605","kind":"arxiv","version":2}},"canonical_sha256":"baeb2e876e40cc1805710342ebd73c56303a7251329822f89f0504bd13e83090","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"baeb2e876e40cc1805710342ebd73c56303a7251329822f89f0504bd13e83090","first_computed_at":"2026-05-17T23:51:21.030425Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:21.030425Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tynWJ24DRdTVUg+QY/HoEvi4+gGa1JJh4ylSN6gXdC2icXfzsYVgiuVbdZ8yinuLqkdz/Xk3NCYucwqOVNYoBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:21.031041Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.04605","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d795b0f771aa0908c9288b3c4460ea43e6ccc65b650d6c933eae4dcf00509088","sha256:fc51b68a3643f31bd2dba4ff35be1c5b6900d187844da2516c0e6ee47d9122c0"],"state_sha256":"22359cbbc3d0bba721f648cc21e60d87c6b88b65f7fb31b83512ec7edc8da3e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dBf8S2QF/gHraJJFT9FmZvVWYq7Lr4x4WCK4L5v0BBrR7L5wZCHxh27T8FYOCYyHCGNo0E8Ri250rduGZGeYCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:10:16.609438Z","bundle_sha256":"a18673f98bb580eb1d6f2699e7bdfb1c0ef114780a6a985bc6c5bbe907a5af2f"}}