{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:B56DCKRBCBR44X5U4OMZ6Y622R","short_pith_number":"pith:B56DCKRB","canonical_record":{"source":{"id":"1010.1509","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-07T18:46:34Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"1e594174f8f2d8631977e3ad0231328d03483374b62cfc24eb1e73046e78c69b","abstract_canon_sha256":"a19d30994c9d5eb331b993afd5efe570920c5b81491a1215d983b8c398bc7ba3"},"schema_version":"1.0"},"canonical_sha256":"0f7c312a211063ce5fb4e3999f63dad47278573ba32dfd00c6b13fef8c32348d","source":{"kind":"arxiv","id":"1010.1509","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1509","created_at":"2026-05-18T04:21:29Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1509v2","created_at":"2026-05-18T04:21:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1509","created_at":"2026-05-18T04:21:29Z"},{"alias_kind":"pith_short_12","alias_value":"B56DCKRBCBR4","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"B56DCKRBCBR44X5U","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"B56DCKRB","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:B56DCKRBCBR44X5U4OMZ6Y622R","target":"record","payload":{"canonical_record":{"source":{"id":"1010.1509","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-07T18:46:34Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"1e594174f8f2d8631977e3ad0231328d03483374b62cfc24eb1e73046e78c69b","abstract_canon_sha256":"a19d30994c9d5eb331b993afd5efe570920c5b81491a1215d983b8c398bc7ba3"},"schema_version":"1.0"},"canonical_sha256":"0f7c312a211063ce5fb4e3999f63dad47278573ba32dfd00c6b13fef8c32348d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:29.940584Z","signature_b64":"eEQRuSltUBnMnwpGvIDHjzl0uBUWRnxegPIw3YI4uynMIfQXCZuQi5DjLMJ1kvgwPpVKJDq7D+Usp/Q3NMAdBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f7c312a211063ce5fb4e3999f63dad47278573ba32dfd00c6b13fef8c32348d","last_reissued_at":"2026-05-18T04:21:29.940254Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:29.940254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.1509","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":"2026-05-18T04:21:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c4a53Kt3bSvcQxRSmKwahsY5iRVhVE4MjGBPhaMIdEGQ8bSQcBWVRu3O9ZG2sHOjHCZ7BTDNBkWQVlfpEC+cAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:42:28.500015Z"},"content_sha256":"a1437e806a25a7e3fc0d508ee202b00bcede279bf300b2f8714091b6d4f25e9a","schema_version":"1.0","event_id":"sha256:a1437e806a25a7e3fc0d508ee202b00bcede279bf300b2f8714091b6d4f25e9a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:B56DCKRBCBR44X5U4OMZ6Y622R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cryogenic Microwave Imaging of Metal-Insulator Transition in Doped Silicon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Keji Lai, Michael A. Kelly, Worasom Kundhikanjana, Zhi-Xun Shen","submitted_at":"2010-10-07T18:46:34Z","abstract_excerpt":"We report the instrumentation and experimental results of a cryogenic scanning microwave impedance microscope. The microwave probe and the scanning stage are located inside the variable temperature insert of a helium cryostat. Microwave signals in the distance modulation mode are used for monitoring the tip-sample distance and adjusting the phase of the two output channels. The ability to spatially resolve the metal-insulator transition in a doped silicon sample is demonstrated. The data agree with a semi-quantitative finite-element simulation. Effects of the thermal energy and electric fields"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1509","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":"2026-05-18T04:21:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n7kyQDln37lujl0/oxtsjvmKvTD4zmxeoUTyGt7Do1At5PLJFTbBM7MplcpvT5LAUUHuDqmhtoaBl2K+ppjQCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:42:28.500509Z"},"content_sha256":"63cd09e4882b148be9795bd868d0848a6d6e1a4477dc029a5ea35b33efa318f4","schema_version":"1.0","event_id":"sha256:63cd09e4882b148be9795bd868d0848a6d6e1a4477dc029a5ea35b33efa318f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B56DCKRBCBR44X5U4OMZ6Y622R/bundle.json","state_url":"https://pith.science/pith/B56DCKRBCBR44X5U4OMZ6Y622R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B56DCKRBCBR44X5U4OMZ6Y622R/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":"2026-05-31T10:42:28Z","links":{"resolver":"https://pith.science/pith/B56DCKRBCBR44X5U4OMZ6Y622R","bundle":"https://pith.science/pith/B56DCKRBCBR44X5U4OMZ6Y622R/bundle.json","state":"https://pith.science/pith/B56DCKRBCBR44X5U4OMZ6Y622R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B56DCKRBCBR44X5U4OMZ6Y622R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:B56DCKRBCBR44X5U4OMZ6Y622R","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":"a19d30994c9d5eb331b993afd5efe570920c5b81491a1215d983b8c398bc7ba3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-07T18:46:34Z","title_canon_sha256":"1e594174f8f2d8631977e3ad0231328d03483374b62cfc24eb1e73046e78c69b"},"schema_version":"1.0","source":{"id":"1010.1509","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1509","created_at":"2026-05-18T04:21:29Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1509v2","created_at":"2026-05-18T04:21:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1509","created_at":"2026-05-18T04:21:29Z"},{"alias_kind":"pith_short_12","alias_value":"B56DCKRBCBR4","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"B56DCKRBCBR44X5U","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"B56DCKRB","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:63cd09e4882b148be9795bd868d0848a6d6e1a4477dc029a5ea35b33efa318f4","target":"graph","created_at":"2026-05-18T04:21:29Z","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 the instrumentation and experimental results of a cryogenic scanning microwave impedance microscope. The microwave probe and the scanning stage are located inside the variable temperature insert of a helium cryostat. Microwave signals in the distance modulation mode are used for monitoring the tip-sample distance and adjusting the phase of the two output channels. The ability to spatially resolve the metal-insulator transition in a doped silicon sample is demonstrated. The data agree with a semi-quantitative finite-element simulation. Effects of the thermal energy and electric fields","authors_text":"Keji Lai, Michael A. Kelly, Worasom Kundhikanjana, Zhi-Xun Shen","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-07T18:46:34Z","title":"Cryogenic Microwave Imaging of Metal-Insulator Transition in Doped Silicon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1509","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:a1437e806a25a7e3fc0d508ee202b00bcede279bf300b2f8714091b6d4f25e9a","target":"record","created_at":"2026-05-18T04:21:29Z","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":"a19d30994c9d5eb331b993afd5efe570920c5b81491a1215d983b8c398bc7ba3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-07T18:46:34Z","title_canon_sha256":"1e594174f8f2d8631977e3ad0231328d03483374b62cfc24eb1e73046e78c69b"},"schema_version":"1.0","source":{"id":"1010.1509","kind":"arxiv","version":2}},"canonical_sha256":"0f7c312a211063ce5fb4e3999f63dad47278573ba32dfd00c6b13fef8c32348d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f7c312a211063ce5fb4e3999f63dad47278573ba32dfd00c6b13fef8c32348d","first_computed_at":"2026-05-18T04:21:29.940254Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:29.940254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eEQRuSltUBnMnwpGvIDHjzl0uBUWRnxegPIw3YI4uynMIfQXCZuQi5DjLMJ1kvgwPpVKJDq7D+Usp/Q3NMAdBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:29.940584Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.1509","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1437e806a25a7e3fc0d508ee202b00bcede279bf300b2f8714091b6d4f25e9a","sha256:63cd09e4882b148be9795bd868d0848a6d6e1a4477dc029a5ea35b33efa318f4"],"state_sha256":"33bd572323380cb22d9f33d75c057906ea0e77455aee36758f50f5db77e04e69"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q8ERupYJaHD5aJUuMcbHMAXCA9C9Aw8kTnp7sidSpLG2FQ4zrZ2Ic3i/AL7R1cnO6U+Xdla3A5Ph++KHM89OCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T10:42:28.503720Z","bundle_sha256":"aa1eb8a92298fe82b26ffbe48d0edd99c0835e6dd40c4ca9fca9ded6ca2c1d49"}}