{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JL7C2Z6643Q5A7IU4TAIDVA43Z","short_pith_number":"pith:JL7C2Z66","canonical_record":{"source":{"id":"1809.00326","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-09-02T11:05:16Z","cross_cats_sorted":[],"title_canon_sha256":"7479b13667c20af2b9d14c0fc72747f037317341c65396c04c7854f2a21b012c","abstract_canon_sha256":"8caf8e569538cb32e8600a3d76f063b25be4fdb26aae3ecac4fba7938408c69f"},"schema_version":"1.0"},"canonical_sha256":"4afe2d67dee6e1d07d14e4c081d41cde576ff6a4bcd8425b5a0352766abfbb7a","source":{"kind":"arxiv","id":"1809.00326","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.00326","created_at":"2026-05-17T23:50:42Z"},{"alias_kind":"arxiv_version","alias_value":"1809.00326v2","created_at":"2026-05-17T23:50:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.00326","created_at":"2026-05-17T23:50:42Z"},{"alias_kind":"pith_short_12","alias_value":"JL7C2Z6643Q5","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JL7C2Z6643Q5A7IU","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JL7C2Z66","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JL7C2Z6643Q5A7IU4TAIDVA43Z","target":"record","payload":{"canonical_record":{"source":{"id":"1809.00326","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-09-02T11:05:16Z","cross_cats_sorted":[],"title_canon_sha256":"7479b13667c20af2b9d14c0fc72747f037317341c65396c04c7854f2a21b012c","abstract_canon_sha256":"8caf8e569538cb32e8600a3d76f063b25be4fdb26aae3ecac4fba7938408c69f"},"schema_version":"1.0"},"canonical_sha256":"4afe2d67dee6e1d07d14e4c081d41cde576ff6a4bcd8425b5a0352766abfbb7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:42.617111Z","signature_b64":"2EEMh/kJzI59un7f3g+FNwsni4aL/MihihIhQ+EYIbeAK7Uh5e07jMGYA64+jYNDoI3Ytn+d98z8VRKoGNo3Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4afe2d67dee6e1d07d14e4c081d41cde576ff6a4bcd8425b5a0352766abfbb7a","last_reissued_at":"2026-05-17T23:50:42.616730Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:42.616730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.00326","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":"2026-05-17T23:50:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/154tx6GazQU/O1VoGbMCarzqqwSZemJhZF34qSz7xy4Gx1n96aEPoHopQlMFGRuMRnhIK8dV+6Xh/x1WwwtAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:52:15.096562Z"},"content_sha256":"ad425fa10ed1893a4c0b07903f088a7653ee79b495fe0278a55d9096a4a16246","schema_version":"1.0","event_id":"sha256:ad425fa10ed1893a4c0b07903f088a7653ee79b495fe0278a55d9096a4a16246"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JL7C2Z6643Q5A7IU4TAIDVA43Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mobility and sheet charge in high electron mobility transistor quantum wells from photon-induced transconductance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Ilan Shalish, Yury Turkulets","submitted_at":"2018-09-02T11:05:16Z","abstract_excerpt":"When a high electron mobility transistor is illuminated, the absorbed photons excite electron-hole pairs. The generated pairs are separated by the built in field in such a way that the electrons end up in the quantum well generating a photocurrent, while together with the holes that are swept towards the gate they generate a surface photovoltage. Here, we define photon-induced transconductance as the ratio between the surface photovoltage and the 2DEG photocurrent under identical illumination conditions. We show that this ratio directly yields the channel mobility and the 2DEG sheet charge den"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.00326","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":"2026-05-17T23:50:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"frSzOTVRMGnDPbnGFZpERswtrQsaApJ/sDfRQfw48TyXX31Gp91cM95/IzSmfvMzDTJZ29943nbNN8lphBW1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:52:15.097246Z"},"content_sha256":"6afb69659c01e0b19dc8cb4af4b39b14da267b46207d9b4fd589e42bdfe1c3a6","schema_version":"1.0","event_id":"sha256:6afb69659c01e0b19dc8cb4af4b39b14da267b46207d9b4fd589e42bdfe1c3a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JL7C2Z6643Q5A7IU4TAIDVA43Z/bundle.json","state_url":"https://pith.science/pith/JL7C2Z6643Q5A7IU4TAIDVA43Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JL7C2Z6643Q5A7IU4TAIDVA43Z/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":"2026-05-28T17:52:15Z","links":{"resolver":"https://pith.science/pith/JL7C2Z6643Q5A7IU4TAIDVA43Z","bundle":"https://pith.science/pith/JL7C2Z6643Q5A7IU4TAIDVA43Z/bundle.json","state":"https://pith.science/pith/JL7C2Z6643Q5A7IU4TAIDVA43Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JL7C2Z6643Q5A7IU4TAIDVA43Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JL7C2Z6643Q5A7IU4TAIDVA43Z","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":"8caf8e569538cb32e8600a3d76f063b25be4fdb26aae3ecac4fba7938408c69f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-09-02T11:05:16Z","title_canon_sha256":"7479b13667c20af2b9d14c0fc72747f037317341c65396c04c7854f2a21b012c"},"schema_version":"1.0","source":{"id":"1809.00326","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.00326","created_at":"2026-05-17T23:50:42Z"},{"alias_kind":"arxiv_version","alias_value":"1809.00326v2","created_at":"2026-05-17T23:50:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.00326","created_at":"2026-05-17T23:50:42Z"},{"alias_kind":"pith_short_12","alias_value":"JL7C2Z6643Q5","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JL7C2Z6643Q5A7IU","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JL7C2Z66","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:6afb69659c01e0b19dc8cb4af4b39b14da267b46207d9b4fd589e42bdfe1c3a6","target":"graph","created_at":"2026-05-17T23:50:42Z","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":"When a high electron mobility transistor is illuminated, the absorbed photons excite electron-hole pairs. The generated pairs are separated by the built in field in such a way that the electrons end up in the quantum well generating a photocurrent, while together with the holes that are swept towards the gate they generate a surface photovoltage. Here, we define photon-induced transconductance as the ratio between the surface photovoltage and the 2DEG photocurrent under identical illumination conditions. We show that this ratio directly yields the channel mobility and the 2DEG sheet charge den","authors_text":"Ilan Shalish, Yury Turkulets","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-09-02T11:05:16Z","title":"Mobility and sheet charge in high electron mobility transistor quantum wells from photon-induced transconductance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.00326","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:ad425fa10ed1893a4c0b07903f088a7653ee79b495fe0278a55d9096a4a16246","target":"record","created_at":"2026-05-17T23:50:42Z","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":"8caf8e569538cb32e8600a3d76f063b25be4fdb26aae3ecac4fba7938408c69f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-09-02T11:05:16Z","title_canon_sha256":"7479b13667c20af2b9d14c0fc72747f037317341c65396c04c7854f2a21b012c"},"schema_version":"1.0","source":{"id":"1809.00326","kind":"arxiv","version":2}},"canonical_sha256":"4afe2d67dee6e1d07d14e4c081d41cde576ff6a4bcd8425b5a0352766abfbb7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4afe2d67dee6e1d07d14e4c081d41cde576ff6a4bcd8425b5a0352766abfbb7a","first_computed_at":"2026-05-17T23:50:42.616730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:42.616730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2EEMh/kJzI59un7f3g+FNwsni4aL/MihihIhQ+EYIbeAK7Uh5e07jMGYA64+jYNDoI3Ytn+d98z8VRKoGNo3Dw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:42.617111Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.00326","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad425fa10ed1893a4c0b07903f088a7653ee79b495fe0278a55d9096a4a16246","sha256:6afb69659c01e0b19dc8cb4af4b39b14da267b46207d9b4fd589e42bdfe1c3a6"],"state_sha256":"b5abb671676b7907918c1f66995bd4858cd7436a0ae5d153e267c604278d0980"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z3KfGfPJE4KJVW6MCwEWfzFXqyh5Fka6DKjMlRNDpQVAAhX6ERnI65YctPmOHodKSSbtSBChy8BJ/Qe7pKupCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T17:52:15.100849Z","bundle_sha256":"b8386f4fe0a2c4f18782be3ea8293a95643ee2e406862bad7420d0baaecff3bf"}}