{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:AVJ7T3TZHIH6TYPO5W3E7LNZEF","short_pith_number":"pith:AVJ7T3TZ","canonical_record":{"source":{"id":"1302.4243","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-18T12:27:29Z","cross_cats_sorted":[],"title_canon_sha256":"5fd28136bd76c38e0385a55c8e169dd5d8fd217649b5f6f2feafe1e3dbf8a9e4","abstract_canon_sha256":"8e6c5460a8528049725b300d5817e8e428d32075ca8bf7af33d2e1ab108787fd"},"schema_version":"1.0"},"canonical_sha256":"0553f9ee793a0fe9e1eeedb64fadb9216eaddc0868de8f676483c5dfb2b7e1c0","source":{"kind":"arxiv","id":"1302.4243","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4243","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4243v1","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4243","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"pith_short_12","alias_value":"AVJ7T3TZHIH6","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AVJ7T3TZHIH6TYPO","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AVJ7T3TZ","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:AVJ7T3TZHIH6TYPO5W3E7LNZEF","target":"record","payload":{"canonical_record":{"source":{"id":"1302.4243","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-18T12:27:29Z","cross_cats_sorted":[],"title_canon_sha256":"5fd28136bd76c38e0385a55c8e169dd5d8fd217649b5f6f2feafe1e3dbf8a9e4","abstract_canon_sha256":"8e6c5460a8528049725b300d5817e8e428d32075ca8bf7af33d2e1ab108787fd"},"schema_version":"1.0"},"canonical_sha256":"0553f9ee793a0fe9e1eeedb64fadb9216eaddc0868de8f676483c5dfb2b7e1c0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:23.583416Z","signature_b64":"vwUZ/KVUqIgQckog+qXL3YP7aEk+nFV8xH4cR9iYfgMtG4VHd5Uc2LPIw3xWpycZSSkv4c9xk215aw5JG5ccBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0553f9ee793a0fe9e1eeedb64fadb9216eaddc0868de8f676483c5dfb2b7e1c0","last_reissued_at":"2026-05-18T03:33:23.582632Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:23.582632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.4243","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":"2026-05-18T03:33:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CyNn67YWwPILwoUyZNVdYuoJwMB27vl8lRfiddq2CaGti17r8FblR8VPpQs8h+Wu43GNoW5mNYdbo+7fnw2wDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:40:45.609017Z"},"content_sha256":"a6571dedcc74850cccee72d231795e3b3b15c91807836c94beca9fed97f62fd9","schema_version":"1.0","event_id":"sha256:a6571dedcc74850cccee72d231795e3b3b15c91807836c94beca9fed97f62fd9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:AVJ7T3TZHIH6TYPO5W3E7LNZEF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photovoltaic effect of light carrying orbital angular momentum on a semiconducting stripe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. S. Moskalenko, J. Berakdar, J. Waetzel","submitted_at":"2013-02-18T12:27:29Z","abstract_excerpt":"We investigate the influence of a light beam carrying an orbital angular momentum on the current density of an electron wave packet in a semiconductor stripe. It is shown that due to the photo-induced torque the electron density can be deflected to one of the stripe sides. The direction of the deflection is controlled by the direction of the light orbital momentum. In addition the net current density can be enhanced. This is a photovoltaic effect that can be registered by measuring the generated voltage drop across the stripe and/or the current increase."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4243","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":"2026-05-18T03:33:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zay+yI7qc0oGkifMS8lpF4WQZu26U+LTEO3L0n1SxaSCJw1s6sORuOlNJsa5B3+/wLVIAa8ca0yWY/8+ZE/4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:40:45.609371Z"},"content_sha256":"4b8c3d9f21cbfd4932d9d6f76b73eeb0c612f238098d4c3c31d0b1e2b78134df","schema_version":"1.0","event_id":"sha256:4b8c3d9f21cbfd4932d9d6f76b73eeb0c612f238098d4c3c31d0b1e2b78134df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AVJ7T3TZHIH6TYPO5W3E7LNZEF/bundle.json","state_url":"https://pith.science/pith/AVJ7T3TZHIH6TYPO5W3E7LNZEF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AVJ7T3TZHIH6TYPO5W3E7LNZEF/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":"2026-06-26T22:40:45Z","links":{"resolver":"https://pith.science/pith/AVJ7T3TZHIH6TYPO5W3E7LNZEF","bundle":"https://pith.science/pith/AVJ7T3TZHIH6TYPO5W3E7LNZEF/bundle.json","state":"https://pith.science/pith/AVJ7T3TZHIH6TYPO5W3E7LNZEF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AVJ7T3TZHIH6TYPO5W3E7LNZEF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:AVJ7T3TZHIH6TYPO5W3E7LNZEF","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":"8e6c5460a8528049725b300d5817e8e428d32075ca8bf7af33d2e1ab108787fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-18T12:27:29Z","title_canon_sha256":"5fd28136bd76c38e0385a55c8e169dd5d8fd217649b5f6f2feafe1e3dbf8a9e4"},"schema_version":"1.0","source":{"id":"1302.4243","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4243","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4243v1","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4243","created_at":"2026-05-18T03:33:23Z"},{"alias_kind":"pith_short_12","alias_value":"AVJ7T3TZHIH6","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AVJ7T3TZHIH6TYPO","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AVJ7T3TZ","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:4b8c3d9f21cbfd4932d9d6f76b73eeb0c612f238098d4c3c31d0b1e2b78134df","target":"graph","created_at":"2026-05-18T03:33:23Z","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 investigate the influence of a light beam carrying an orbital angular momentum on the current density of an electron wave packet in a semiconductor stripe. It is shown that due to the photo-induced torque the electron density can be deflected to one of the stripe sides. The direction of the deflection is controlled by the direction of the light orbital momentum. In addition the net current density can be enhanced. This is a photovoltaic effect that can be registered by measuring the generated voltage drop across the stripe and/or the current increase.","authors_text":"A. S. Moskalenko, J. Berakdar, J. Waetzel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-18T12:27:29Z","title":"Photovoltaic effect of light carrying orbital angular momentum on a semiconducting stripe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4243","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:a6571dedcc74850cccee72d231795e3b3b15c91807836c94beca9fed97f62fd9","target":"record","created_at":"2026-05-18T03:33:23Z","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":"8e6c5460a8528049725b300d5817e8e428d32075ca8bf7af33d2e1ab108787fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-18T12:27:29Z","title_canon_sha256":"5fd28136bd76c38e0385a55c8e169dd5d8fd217649b5f6f2feafe1e3dbf8a9e4"},"schema_version":"1.0","source":{"id":"1302.4243","kind":"arxiv","version":1}},"canonical_sha256":"0553f9ee793a0fe9e1eeedb64fadb9216eaddc0868de8f676483c5dfb2b7e1c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0553f9ee793a0fe9e1eeedb64fadb9216eaddc0868de8f676483c5dfb2b7e1c0","first_computed_at":"2026-05-18T03:33:23.582632Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:33:23.582632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vwUZ/KVUqIgQckog+qXL3YP7aEk+nFV8xH4cR9iYfgMtG4VHd5Uc2LPIw3xWpycZSSkv4c9xk215aw5JG5ccBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:33:23.583416Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.4243","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6571dedcc74850cccee72d231795e3b3b15c91807836c94beca9fed97f62fd9","sha256:4b8c3d9f21cbfd4932d9d6f76b73eeb0c612f238098d4c3c31d0b1e2b78134df"],"state_sha256":"9fff7b2c90b5cffc7d77d20bbda8b25032980dc8af05ff7deeb5eb44793c694a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8VNYH3NTvIEfa1MRfzJKKzSlkBs+PGq1wGjJjO0cyf1NkB3rDV2F/P9vsVbUvyf0hcfpYkOxM58t/VlxWoXwBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T22:40:45.611191Z","bundle_sha256":"c332c7938fb3cd63ff8ca9a70652f9afc346b03534e273ad26027d2828585e87"}}