{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:N6AC5XISN6WHTHLQKBV7ZXZO4X","short_pith_number":"pith:N6AC5XIS","canonical_record":{"source":{"id":"2105.09948","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-20T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"6a913c81be1cd602ea148027e6f97c8da0cef84a10f006dcf74eae682a88b30c","abstract_canon_sha256":"145c243024e5e1f2a67046a76cb83c1e9d836007c4f234068b78b35011b4fc11"},"schema_version":"1.0"},"canonical_sha256":"6f802edd126fac799d70506bfcdf2ee5df6713f1fb0277240c70d885770b9f85","source":{"kind":"arxiv","id":"2105.09948","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.09948","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"arxiv_version","alias_value":"2105.09948v1","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.09948","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"pith_short_12","alias_value":"N6AC5XISN6WH","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"pith_short_16","alias_value":"N6AC5XISN6WHTHLQ","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"pith_short_8","alias_value":"N6AC5XIS","created_at":"2026-07-05T04:33:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:N6AC5XISN6WHTHLQKBV7ZXZO4X","target":"record","payload":{"canonical_record":{"source":{"id":"2105.09948","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-20T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"6a913c81be1cd602ea148027e6f97c8da0cef84a10f006dcf74eae682a88b30c","abstract_canon_sha256":"145c243024e5e1f2a67046a76cb83c1e9d836007c4f234068b78b35011b4fc11"},"schema_version":"1.0"},"canonical_sha256":"6f802edd126fac799d70506bfcdf2ee5df6713f1fb0277240c70d885770b9f85","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:33:19.464163Z","signature_b64":"9L6LzLS+SP539vgvv+ogeINNn4KHDiae8JbVRpxNXJIgsdDwIYcnN8CQMszcAzBiYaTqaZDMu/Vqjy38fr/8AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f802edd126fac799d70506bfcdf2ee5df6713f1fb0277240c70d885770b9f85","last_reissued_at":"2026-07-05T04:33:19.463669Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:33:19.463669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.09948","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":"2026-07-05T04:33:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sLo7z+jb6jhbGyl3osTdmaWXavoPVG4Vq/K8aF/ccsWXQ60PqnNh9bKdXsC9a7mQ8cd3sUVG+vGZ5bUV/ZrrDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T08:11:34.781142Z"},"content_sha256":"817d9d332c2657a96d7d7edff800920478039bf54a8429b778e88fd356da4ca8","schema_version":"1.0","event_id":"sha256:817d9d332c2657a96d7d7edff800920478039bf54a8429b778e88fd356da4ca8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:N6AC5XISN6WHTHLQKBV7ZXZO4X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intrinsic circularly-polarized exciton emission in a twisted van-der-Waals heterostructure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. Ant\\'on-Solanas, C. Schneider, F. Lohof, G. Gies, J. Michl, K. Watanabe, M. von Helversen, R. Sailus, S.A. Tarasenko, S. H\\\"ofling, S. Reitzenstein, S. Tongay, T. Heindel, T. Shubina, T. Taniguchi","submitted_at":"2021-05-20T18:00:00Z","abstract_excerpt":"The investigation of excitons in van-der-Waals heterostructures has led to profound insights into the interplay of crystal symmetries and fundamental effects of light-matter coupling. In particular, the polarization selection rules in undistorted, slightly twisted heterostructures of MoSe$_2$/WSe$_2$ were found to be connected with the Moir\\'e superlattice. Here, we report the emergence of a significant degree of circular polarization of excitons in such a hetero-structure upon non-resonant driving with a linearly polarized laser. The effect is present at zero magnetic field, and sensibly reac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.09948","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/2105.09948/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":"2026-07-05T04:33:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aCPl+YqRJLghrX0TtMZ2dVIwC9/e4xRSoxrVd6BkOkVVO0vMZnCG9cTkWu2iTDYkL+/JWSTrds//mPrlgIWXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T08:11:34.781667Z"},"content_sha256":"5bb078eac630acc843c60245a26263b2ec409dfc499b8b9222b8217af6a42bf5","schema_version":"1.0","event_id":"sha256:5bb078eac630acc843c60245a26263b2ec409dfc499b8b9222b8217af6a42bf5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N6AC5XISN6WHTHLQKBV7ZXZO4X/bundle.json","state_url":"https://pith.science/pith/N6AC5XISN6WHTHLQKBV7ZXZO4X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N6AC5XISN6WHTHLQKBV7ZXZO4X/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":"2026-08-05T08:11:34Z","links":{"resolver":"https://pith.science/pith/N6AC5XISN6WHTHLQKBV7ZXZO4X","bundle":"https://pith.science/pith/N6AC5XISN6WHTHLQKBV7ZXZO4X/bundle.json","state":"https://pith.science/pith/N6AC5XISN6WHTHLQKBV7ZXZO4X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N6AC5XISN6WHTHLQKBV7ZXZO4X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:N6AC5XISN6WHTHLQKBV7ZXZO4X","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":"145c243024e5e1f2a67046a76cb83c1e9d836007c4f234068b78b35011b4fc11","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-20T18:00:00Z","title_canon_sha256":"6a913c81be1cd602ea148027e6f97c8da0cef84a10f006dcf74eae682a88b30c"},"schema_version":"1.0","source":{"id":"2105.09948","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.09948","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"arxiv_version","alias_value":"2105.09948v1","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.09948","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"pith_short_12","alias_value":"N6AC5XISN6WH","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"pith_short_16","alias_value":"N6AC5XISN6WHTHLQ","created_at":"2026-07-05T04:33:19Z"},{"alias_kind":"pith_short_8","alias_value":"N6AC5XIS","created_at":"2026-07-05T04:33:19Z"}],"graph_snapshots":[{"event_id":"sha256:5bb078eac630acc843c60245a26263b2ec409dfc499b8b9222b8217af6a42bf5","target":"graph","created_at":"2026-07-05T04:33:19Z","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/2105.09948/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The investigation of excitons in van-der-Waals heterostructures has led to profound insights into the interplay of crystal symmetries and fundamental effects of light-matter coupling. In particular, the polarization selection rules in undistorted, slightly twisted heterostructures of MoSe$_2$/WSe$_2$ were found to be connected with the Moir\\'e superlattice. Here, we report the emergence of a significant degree of circular polarization of excitons in such a hetero-structure upon non-resonant driving with a linearly polarized laser. The effect is present at zero magnetic field, and sensibly reac","authors_text":"C. Ant\\'on-Solanas, C. Schneider, F. Lohof, G. Gies, J. Michl, K. Watanabe, M. von Helversen, R. Sailus, S.A. Tarasenko, S. H\\\"ofling, S. Reitzenstein, S. Tongay, T. Heindel, T. Shubina, T. Taniguchi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-20T18:00:00Z","title":"Intrinsic circularly-polarized exciton emission in a twisted van-der-Waals heterostructure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.09948","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":"sha256:817d9d332c2657a96d7d7edff800920478039bf54a8429b778e88fd356da4ca8","target":"record","created_at":"2026-07-05T04:33:19Z","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":"145c243024e5e1f2a67046a76cb83c1e9d836007c4f234068b78b35011b4fc11","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-20T18:00:00Z","title_canon_sha256":"6a913c81be1cd602ea148027e6f97c8da0cef84a10f006dcf74eae682a88b30c"},"schema_version":"1.0","source":{"id":"2105.09948","kind":"arxiv","version":1}},"canonical_sha256":"6f802edd126fac799d70506bfcdf2ee5df6713f1fb0277240c70d885770b9f85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f802edd126fac799d70506bfcdf2ee5df6713f1fb0277240c70d885770b9f85","first_computed_at":"2026-07-05T04:33:19.463669Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:33:19.463669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9L6LzLS+SP539vgvv+ogeINNn4KHDiae8JbVRpxNXJIgsdDwIYcnN8CQMszcAzBiYaTqaZDMu/Vqjy38fr/8AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:33:19.464163Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.09948","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:817d9d332c2657a96d7d7edff800920478039bf54a8429b778e88fd356da4ca8","sha256:5bb078eac630acc843c60245a26263b2ec409dfc499b8b9222b8217af6a42bf5"],"state_sha256":"586dbb6e7db3c57d4e853a7cef67c05058fa238a3553b74e7ab8be3f55d22117"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MTBB1eCroWG7TIRCuxz7GtdwAxkra86oT0DKCShewXy6TTnRoiYzC4uI/OYDr3tqMWMZZf019bFb89OOD09bBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T08:11:34.784973Z","bundle_sha256":"e701ec74337aacfcefee8f3d1a2bf453df9a0e51c6e5335ce4b3c609bba6ff55"}}