{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:UVFA4GL4GY7BUDEDDBGZIVNWJZ","short_pith_number":"pith:UVFA4GL4","canonical_record":{"source":{"id":"1212.4341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-18T13:14:24Z","cross_cats_sorted":[],"title_canon_sha256":"bb25cb6e98854dd5f94580e150e58a8468b0a7287ec94f21ae158ff2b5e5530a","abstract_canon_sha256":"652185ffb5d4b540dc5ff601e41dae6c46b0bfd3b1c8e62eadb20e4e2584e222"},"schema_version":"1.0"},"canonical_sha256":"a54a0e197c363e1a0c83184d9455b64e6bc9c327eda1e83dd0d37fe5a29c2e01","source":{"kind":"arxiv","id":"1212.4341","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4341","created_at":"2026-05-18T01:52:30Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4341v1","created_at":"2026-05-18T01:52:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4341","created_at":"2026-05-18T01:52:30Z"},{"alias_kind":"pith_short_12","alias_value":"UVFA4GL4GY7B","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"UVFA4GL4GY7BUDED","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"UVFA4GL4","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:UVFA4GL4GY7BUDEDDBGZIVNWJZ","target":"record","payload":{"canonical_record":{"source":{"id":"1212.4341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-18T13:14:24Z","cross_cats_sorted":[],"title_canon_sha256":"bb25cb6e98854dd5f94580e150e58a8468b0a7287ec94f21ae158ff2b5e5530a","abstract_canon_sha256":"652185ffb5d4b540dc5ff601e41dae6c46b0bfd3b1c8e62eadb20e4e2584e222"},"schema_version":"1.0"},"canonical_sha256":"a54a0e197c363e1a0c83184d9455b64e6bc9c327eda1e83dd0d37fe5a29c2e01","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:30.991538Z","signature_b64":"yyAcMUP0CijcyEniT02zIH26SP3rTch5vp42yT5wPwc2aVvPDuNbjzEe//6jxz9vc67GMFpVll1A99gtT/OJDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a54a0e197c363e1a0c83184d9455b64e6bc9c327eda1e83dd0d37fe5a29c2e01","last_reissued_at":"2026-05-18T01:52:30.990871Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:30.990871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.4341","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":"2026-05-18T01:52:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yfbsQuRA658nUMyRNpmObji7vUXsfnZxSLf8OGeRjC3dnVRZrigzB+X413cbUFJGZ97uVK7yNgv604yEGSpCAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:26:14.227655Z"},"content_sha256":"16080a50e6baaab697f99ac96be7c0ed9fd6fd79a2d00bdf46a472b146b4ed7a","schema_version":"1.0","event_id":"sha256:16080a50e6baaab697f99ac96be7c0ed9fd6fd79a2d00bdf46a472b146b4ed7a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:UVFA4GL4GY7BUDEDDBGZIVNWJZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photoluminescence studies of Zeeman effect in type-II InSb/InAs nanostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A.A. Toropov, A.N. Semenov, B.Ya. Meltser, M.O. Nestoklon, M.S. Mukhin, S.V. Ivanov, V.A. Solovyev, Ya.V. Terentyev","submitted_at":"2012-12-18T13:14:24Z","abstract_excerpt":"Electron spin polarization up to 100% has been observed in type-II narrow-gap heterostructures with ultrathin InSb insertions in an InAs matrix via investigation of circularly polarized photoluminescence in an external magnetic field applied in Faraday geometry. The polarization degree decreases drastically, changes its sign, and saturates finally at the value of 10% in the limit of either high temperature or strong excitation. The observed effect is explained in terms of strong Zeeman splitting of the electron conduction band in the InAs matrix and a heavy-hole state confined in the InSb inse"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4341","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":"2026-05-18T01:52:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8hgDuQl6C7Hp9DqzW7vpdcXrSa9CfEAP+IWJHluAnW57VgPNn5ZA34sAJV3p6oaJb1g77oQWJye3zGiTMYt8CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:26:14.227995Z"},"content_sha256":"d58271f3934cc472d4cf7a3cfa6bca2db3336ac1947af62f4eacf36bc3be8eb6","schema_version":"1.0","event_id":"sha256:d58271f3934cc472d4cf7a3cfa6bca2db3336ac1947af62f4eacf36bc3be8eb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVFA4GL4GY7BUDEDDBGZIVNWJZ/bundle.json","state_url":"https://pith.science/pith/UVFA4GL4GY7BUDEDDBGZIVNWJZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVFA4GL4GY7BUDEDDBGZIVNWJZ/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":"2026-06-02T18:26:14Z","links":{"resolver":"https://pith.science/pith/UVFA4GL4GY7BUDEDDBGZIVNWJZ","bundle":"https://pith.science/pith/UVFA4GL4GY7BUDEDDBGZIVNWJZ/bundle.json","state":"https://pith.science/pith/UVFA4GL4GY7BUDEDDBGZIVNWJZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVFA4GL4GY7BUDEDDBGZIVNWJZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:UVFA4GL4GY7BUDEDDBGZIVNWJZ","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":"652185ffb5d4b540dc5ff601e41dae6c46b0bfd3b1c8e62eadb20e4e2584e222","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-18T13:14:24Z","title_canon_sha256":"bb25cb6e98854dd5f94580e150e58a8468b0a7287ec94f21ae158ff2b5e5530a"},"schema_version":"1.0","source":{"id":"1212.4341","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4341","created_at":"2026-05-18T01:52:30Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4341v1","created_at":"2026-05-18T01:52:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4341","created_at":"2026-05-18T01:52:30Z"},{"alias_kind":"pith_short_12","alias_value":"UVFA4GL4GY7B","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"UVFA4GL4GY7BUDED","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"UVFA4GL4","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:d58271f3934cc472d4cf7a3cfa6bca2db3336ac1947af62f4eacf36bc3be8eb6","target":"graph","created_at":"2026-05-18T01:52:30Z","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":"Electron spin polarization up to 100% has been observed in type-II narrow-gap heterostructures with ultrathin InSb insertions in an InAs matrix via investigation of circularly polarized photoluminescence in an external magnetic field applied in Faraday geometry. The polarization degree decreases drastically, changes its sign, and saturates finally at the value of 10% in the limit of either high temperature or strong excitation. The observed effect is explained in terms of strong Zeeman splitting of the electron conduction band in the InAs matrix and a heavy-hole state confined in the InSb inse","authors_text":"A.A. Toropov, A.N. Semenov, B.Ya. Meltser, M.O. Nestoklon, M.S. Mukhin, S.V. Ivanov, V.A. Solovyev, Ya.V. Terentyev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-18T13:14:24Z","title":"Photoluminescence studies of Zeeman effect in type-II InSb/InAs nanostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4341","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":"sha256:16080a50e6baaab697f99ac96be7c0ed9fd6fd79a2d00bdf46a472b146b4ed7a","target":"record","created_at":"2026-05-18T01:52:30Z","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":"652185ffb5d4b540dc5ff601e41dae6c46b0bfd3b1c8e62eadb20e4e2584e222","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-18T13:14:24Z","title_canon_sha256":"bb25cb6e98854dd5f94580e150e58a8468b0a7287ec94f21ae158ff2b5e5530a"},"schema_version":"1.0","source":{"id":"1212.4341","kind":"arxiv","version":1}},"canonical_sha256":"a54a0e197c363e1a0c83184d9455b64e6bc9c327eda1e83dd0d37fe5a29c2e01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a54a0e197c363e1a0c83184d9455b64e6bc9c327eda1e83dd0d37fe5a29c2e01","first_computed_at":"2026-05-18T01:52:30.990871Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:30.990871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yyAcMUP0CijcyEniT02zIH26SP3rTch5vp42yT5wPwc2aVvPDuNbjzEe//6jxz9vc67GMFpVll1A99gtT/OJDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:30.991538Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.4341","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16080a50e6baaab697f99ac96be7c0ed9fd6fd79a2d00bdf46a472b146b4ed7a","sha256:d58271f3934cc472d4cf7a3cfa6bca2db3336ac1947af62f4eacf36bc3be8eb6"],"state_sha256":"02313681327ab40ca797265c81ca653061c5a1becfb364fdcc6e970a9c5d8067"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hVTARnAyirSrTClgE5pSmWK0mkGGUfnncJ/oun/M6b2Ta7zaK0uROb37NhvVVZB7RYmC0q96Nok9FTZTPjX1Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T18:26:14.229855Z","bundle_sha256":"ec1da1b46cf018a8d0d56b89e3fd27c7a5a4e68d50f3ef5488d7ac3b4a23fcaf"}}