{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:DGYL2QQ45BRS4XZZEDCQSIADJR","short_pith_number":"pith:DGYL2QQ4","canonical_record":{"source":{"id":"1206.5368","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-23T08:15:09Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"7f4bc0a9443b5302e96ef28fe81baee5c349471d45ae348aa7543f4bb94d1de6","abstract_canon_sha256":"12c27e1f01585f13a41ef3104b0557bc9cc826c82f347bdad7256f4cb0fe6f77"},"schema_version":"1.0"},"canonical_sha256":"19b0bd421ce8632e5f3920c50920034c53242e08843fd1478d71be1930ab4fee","source":{"kind":"arxiv","id":"1206.5368","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.5368","created_at":"2026-05-18T01:56:42Z"},{"alias_kind":"arxiv_version","alias_value":"1206.5368v1","created_at":"2026-05-18T01:56:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.5368","created_at":"2026-05-18T01:56:42Z"},{"alias_kind":"pith_short_12","alias_value":"DGYL2QQ45BRS","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DGYL2QQ45BRS4XZZ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DGYL2QQ4","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:DGYL2QQ45BRS4XZZEDCQSIADJR","target":"record","payload":{"canonical_record":{"source":{"id":"1206.5368","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-23T08:15:09Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"7f4bc0a9443b5302e96ef28fe81baee5c349471d45ae348aa7543f4bb94d1de6","abstract_canon_sha256":"12c27e1f01585f13a41ef3104b0557bc9cc826c82f347bdad7256f4cb0fe6f77"},"schema_version":"1.0"},"canonical_sha256":"19b0bd421ce8632e5f3920c50920034c53242e08843fd1478d71be1930ab4fee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:42.858945Z","signature_b64":"+sO8lX+Gv9a6Sz6207J/odAZMam9/rrZTC7beGXaPbVKUw1viCMyegwUIIEb/iXbMKgQLk8NOHubZXyWM6mxDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19b0bd421ce8632e5f3920c50920034c53242e08843fd1478d71be1930ab4fee","last_reissued_at":"2026-05-18T01:56:42.858465Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:42.858465Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.5368","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":"2026-05-18T01:56:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JBzNhoXDJ+DI8e/uDMwnU0X6MeDfKFm4cAvJ5t/GUD1nYBTVv+jrbB2VaDv+yWKwkg90xczw5IphDCjlil3lCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:22:12.033558Z"},"content_sha256":"c2d2f363f4aa2492414e3e8f5a08e93d1f58e6f987126a5dd0ff60464410da9f","schema_version":"1.0","event_id":"sha256:c2d2f363f4aa2492414e3e8f5a08e93d1f58e6f987126a5dd0ff60464410da9f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:DGYL2QQ45BRS4XZZEDCQSIADJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Molecular-beam epitaxial growth of a far-infrared transparent electrode for extrinsic Germanium photoconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hidehiro Kaneda, Hironobu Makitsubo, Kazuyuki Hirose, Takehiko Wada, Toyoaki Suzuki","submitted_at":"2012-06-23T08:15:09Z","abstract_excerpt":"We have evaluated the optical and electrical properties of a far-infrared (IR) transparent electrode for extrinsic germanium (Ge) photoconductors at 4 K, which was fabricated by molecular beam epitaxy (MBE). As a far-IR transparent electrode, an aluminum (Al)-doped Ge layer is formed at well-optimized doping concentration and layer thickness in terms of the three requirements: high far-IR transmittance, low resistivity, and excellent ohmic contact. The Al-doped Ge layer has the far-IR transmittance of >95 % within the wavelength range of 40--200 microns, while low resistivity (~5 ohm-cm) and o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.5368","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":"2026-05-18T01:56:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o+56dfF4sR+s8A4vb7L/HhUYhNSPhWbMXYY/yeAcft72avkmIqEFPabN6C8jFFuhhEN1SMq0+T9LCdm36w7LAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:22:12.034124Z"},"content_sha256":"01a9c696f736f8b8816b4cdf90e351338a32789745f90ee71e55dd84afa00170","schema_version":"1.0","event_id":"sha256:01a9c696f736f8b8816b4cdf90e351338a32789745f90ee71e55dd84afa00170"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DGYL2QQ45BRS4XZZEDCQSIADJR/bundle.json","state_url":"https://pith.science/pith/DGYL2QQ45BRS4XZZEDCQSIADJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DGYL2QQ45BRS4XZZEDCQSIADJR/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":"2026-05-26T21:22:12Z","links":{"resolver":"https://pith.science/pith/DGYL2QQ45BRS4XZZEDCQSIADJR","bundle":"https://pith.science/pith/DGYL2QQ45BRS4XZZEDCQSIADJR/bundle.json","state":"https://pith.science/pith/DGYL2QQ45BRS4XZZEDCQSIADJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DGYL2QQ45BRS4XZZEDCQSIADJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DGYL2QQ45BRS4XZZEDCQSIADJR","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":"12c27e1f01585f13a41ef3104b0557bc9cc826c82f347bdad7256f4cb0fe6f77","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-23T08:15:09Z","title_canon_sha256":"7f4bc0a9443b5302e96ef28fe81baee5c349471d45ae348aa7543f4bb94d1de6"},"schema_version":"1.0","source":{"id":"1206.5368","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.5368","created_at":"2026-05-18T01:56:42Z"},{"alias_kind":"arxiv_version","alias_value":"1206.5368v1","created_at":"2026-05-18T01:56:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.5368","created_at":"2026-05-18T01:56:42Z"},{"alias_kind":"pith_short_12","alias_value":"DGYL2QQ45BRS","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DGYL2QQ45BRS4XZZ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DGYL2QQ4","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:01a9c696f736f8b8816b4cdf90e351338a32789745f90ee71e55dd84afa00170","target":"graph","created_at":"2026-05-18T01:56:42Z","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 have evaluated the optical and electrical properties of a far-infrared (IR) transparent electrode for extrinsic germanium (Ge) photoconductors at 4 K, which was fabricated by molecular beam epitaxy (MBE). As a far-IR transparent electrode, an aluminum (Al)-doped Ge layer is formed at well-optimized doping concentration and layer thickness in terms of the three requirements: high far-IR transmittance, low resistivity, and excellent ohmic contact. The Al-doped Ge layer has the far-IR transmittance of >95 % within the wavelength range of 40--200 microns, while low resistivity (~5 ohm-cm) and o","authors_text":"Hidehiro Kaneda, Hironobu Makitsubo, Kazuyuki Hirose, Takehiko Wada, Toyoaki Suzuki","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-23T08:15:09Z","title":"Molecular-beam epitaxial growth of a far-infrared transparent electrode for extrinsic Germanium photoconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.5368","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:c2d2f363f4aa2492414e3e8f5a08e93d1f58e6f987126a5dd0ff60464410da9f","target":"record","created_at":"2026-05-18T01:56:42Z","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":"12c27e1f01585f13a41ef3104b0557bc9cc826c82f347bdad7256f4cb0fe6f77","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-23T08:15:09Z","title_canon_sha256":"7f4bc0a9443b5302e96ef28fe81baee5c349471d45ae348aa7543f4bb94d1de6"},"schema_version":"1.0","source":{"id":"1206.5368","kind":"arxiv","version":1}},"canonical_sha256":"19b0bd421ce8632e5f3920c50920034c53242e08843fd1478d71be1930ab4fee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19b0bd421ce8632e5f3920c50920034c53242e08843fd1478d71be1930ab4fee","first_computed_at":"2026-05-18T01:56:42.858465Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:42.858465Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+sO8lX+Gv9a6Sz6207J/odAZMam9/rrZTC7beGXaPbVKUw1viCMyegwUIIEb/iXbMKgQLk8NOHubZXyWM6mxDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:42.858945Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.5368","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c2d2f363f4aa2492414e3e8f5a08e93d1f58e6f987126a5dd0ff60464410da9f","sha256:01a9c696f736f8b8816b4cdf90e351338a32789745f90ee71e55dd84afa00170"],"state_sha256":"bdbbd5740803557d5129d85c0dc30777256c982941f9ed5d483d11d692d8e70a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ECzSOBZ1QnjibfUJv64oG3TY3wqVoqe3aP1XJZBu+U/kAFHmwsShuz7bDHBAZAiIhqkpol4rVe49OV5LBGGuCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:22:12.037470Z","bundle_sha256":"e4a38c464b589f6a81648b6350d24b75c5a2d407c716f8e8160f3ab47bb929df"}}