{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:XZAG2X2GE6V4IOXLQSCSG4MCKN","short_pith_number":"pith:XZAG2X2G","canonical_record":{"source":{"id":"1802.07910","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-02-22T05:43:55Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"a4a6d3555c9425be555bcee4f5c9f8b96fd9b493d91457f006a2dc185960e29d","abstract_canon_sha256":"cb96e2edde50881771cd5bd0b72d34edb621b591eab54e7716ef2d78506c6876"},"schema_version":"1.0"},"canonical_sha256":"be406d5f4627abc43aeb8485237182536acd118b097112cb020bf9fdbee46472","source":{"kind":"arxiv","id":"1802.07910","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07910","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07910v1","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07910","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"pith_short_12","alias_value":"XZAG2X2GE6V4","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"pith_short_16","alias_value":"XZAG2X2GE6V4IOXL","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"pith_short_8","alias_value":"XZAG2X2G","created_at":"2026-07-05T09:39:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:XZAG2X2GE6V4IOXLQSCSG4MCKN","target":"record","payload":{"canonical_record":{"source":{"id":"1802.07910","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-02-22T05:43:55Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"a4a6d3555c9425be555bcee4f5c9f8b96fd9b493d91457f006a2dc185960e29d","abstract_canon_sha256":"cb96e2edde50881771cd5bd0b72d34edb621b591eab54e7716ef2d78506c6876"},"schema_version":"1.0"},"canonical_sha256":"be406d5f4627abc43aeb8485237182536acd118b097112cb020bf9fdbee46472","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:39:48.867042Z","signature_b64":"joKkmubaaNv8745fRayzpPXAYZxN4g/2YAhB3rrxw1mD4Rxl1x6KGf1tKBFuA+offvh/UzLfyNiKmhD9rvJVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be406d5f4627abc43aeb8485237182536acd118b097112cb020bf9fdbee46472","last_reissued_at":"2026-07-05T09:39:48.866579Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:39:48.866579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.07910","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":"2026-07-05T09:39:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tgx/fkpvvpOlEo+Jcspgs1eoyA5tapUlI2GqMnGm3H+O4JxOTlfLSXzcW+8IrHXQWiAnJlegSZDUSYgk2t8VDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:41:02.120588Z"},"content_sha256":"93154967a2e6c53b6cde5d5a0c33619be020dbf93eff6198f30f71ca2ea9e9c2","schema_version":"1.0","event_id":"sha256:93154967a2e6c53b6cde5d5a0c33619be020dbf93eff6198f30f71ca2ea9e9c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:XZAG2X2GE6V4IOXLQSCSG4MCKN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Carrier-Resolved Photo Hall Measurement in World-Record-Quality Perovskite and Kesterite Solar Absorbers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.app-ph","authors_text":"Byungha Shin, David B. Mitzi, Douglas M. Bishop, Jun Hong Noh, Nam Joong Jeon, Oki Gunawan, Seong Ryul Pae, Teodor Todorov, Xiaoyan Shao, Yudistira Virgus, Yun Seog Lee","submitted_at":"2018-02-22T05:43:55Z","abstract_excerpt":"Majority and minority carrier properties such as type, density and mobility represent fundamental yet difficult to access parameters governing semiconductor device performance, most notably solar cells. Obtaining this information simultaneously under light illumination would unlock many critical parameters such as recombination lifetime, recombination coefficient, and diffusion length; while deeply interesting for optoelectronic devices, this goal has remained elusive. We demonstrate here a new carrier-resolved photo-Hall technique that rests on a new identity relating hole-electron mobility d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07910","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1802.07910/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T09:39:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/xhG98HZbJMa/B2GofYVlX+DcqU6OgHNrrORODIhleOT3qe4Tyi9FDfspiRkYly08M+B2NIsJQS9SAG1q6icDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:41:02.120948Z"},"content_sha256":"0eaa5b03720075b154c99e2e8ff85efb738e31eb947ea3a6c561f7699d2f30bd","schema_version":"1.0","event_id":"sha256:0eaa5b03720075b154c99e2e8ff85efb738e31eb947ea3a6c561f7699d2f30bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XZAG2X2GE6V4IOXLQSCSG4MCKN/bundle.json","state_url":"https://pith.science/pith/XZAG2X2GE6V4IOXLQSCSG4MCKN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XZAG2X2GE6V4IOXLQSCSG4MCKN/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":"2026-07-07T08:41:02Z","links":{"resolver":"https://pith.science/pith/XZAG2X2GE6V4IOXLQSCSG4MCKN","bundle":"https://pith.science/pith/XZAG2X2GE6V4IOXLQSCSG4MCKN/bundle.json","state":"https://pith.science/pith/XZAG2X2GE6V4IOXLQSCSG4MCKN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XZAG2X2GE6V4IOXLQSCSG4MCKN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:XZAG2X2GE6V4IOXLQSCSG4MCKN","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":"cb96e2edde50881771cd5bd0b72d34edb621b591eab54e7716ef2d78506c6876","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-02-22T05:43:55Z","title_canon_sha256":"a4a6d3555c9425be555bcee4f5c9f8b96fd9b493d91457f006a2dc185960e29d"},"schema_version":"1.0","source":{"id":"1802.07910","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07910","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07910v1","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07910","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"pith_short_12","alias_value":"XZAG2X2GE6V4","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"pith_short_16","alias_value":"XZAG2X2GE6V4IOXL","created_at":"2026-07-05T09:39:48Z"},{"alias_kind":"pith_short_8","alias_value":"XZAG2X2G","created_at":"2026-07-05T09:39:48Z"}],"graph_snapshots":[{"event_id":"sha256:0eaa5b03720075b154c99e2e8ff85efb738e31eb947ea3a6c561f7699d2f30bd","target":"graph","created_at":"2026-07-05T09:39:48Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1802.07910/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Majority and minority carrier properties such as type, density and mobility represent fundamental yet difficult to access parameters governing semiconductor device performance, most notably solar cells. Obtaining this information simultaneously under light illumination would unlock many critical parameters such as recombination lifetime, recombination coefficient, and diffusion length; while deeply interesting for optoelectronic devices, this goal has remained elusive. We demonstrate here a new carrier-resolved photo-Hall technique that rests on a new identity relating hole-electron mobility d","authors_text":"Byungha Shin, David B. Mitzi, Douglas M. Bishop, Jun Hong Noh, Nam Joong Jeon, Oki Gunawan, Seong Ryul Pae, Teodor Todorov, Xiaoyan Shao, Yudistira Virgus, Yun Seog Lee","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-02-22T05:43:55Z","title":"Carrier-Resolved Photo Hall Measurement in World-Record-Quality Perovskite and Kesterite Solar Absorbers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07910","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":"sha256:93154967a2e6c53b6cde5d5a0c33619be020dbf93eff6198f30f71ca2ea9e9c2","target":"record","created_at":"2026-07-05T09:39:48Z","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":"cb96e2edde50881771cd5bd0b72d34edb621b591eab54e7716ef2d78506c6876","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-02-22T05:43:55Z","title_canon_sha256":"a4a6d3555c9425be555bcee4f5c9f8b96fd9b493d91457f006a2dc185960e29d"},"schema_version":"1.0","source":{"id":"1802.07910","kind":"arxiv","version":1}},"canonical_sha256":"be406d5f4627abc43aeb8485237182536acd118b097112cb020bf9fdbee46472","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be406d5f4627abc43aeb8485237182536acd118b097112cb020bf9fdbee46472","first_computed_at":"2026-07-05T09:39:48.866579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:39:48.866579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"joKkmubaaNv8745fRayzpPXAYZxN4g/2YAhB3rrxw1mD4Rxl1x6KGf1tKBFuA+offvh/UzLfyNiKmhD9rvJVCw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:39:48.867042Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.07910","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93154967a2e6c53b6cde5d5a0c33619be020dbf93eff6198f30f71ca2ea9e9c2","sha256:0eaa5b03720075b154c99e2e8ff85efb738e31eb947ea3a6c561f7699d2f30bd"],"state_sha256":"cf52961dfbf14716daa2d8f54ab6755dbfc97d14befd9840f58f439c1bdaf8f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mWsNSTUN45tHHCB34nWDPykmeLy+MG0afsBJTZA5eoLZHvTNaZ7OvfsmQo4qgfTLoVjRkvCXt8b3AhocrlpRDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:41:02.122828Z","bundle_sha256":"6081020f713fbaf329e9d8e7a9477a0339eaf21598c517fbe3f6d89652693b72"}}