{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:PEZXV7EHODYLQ3KOTKVH2VOBN4","short_pith_number":"pith:PEZXV7EH","canonical_record":{"source":{"id":"0805.1962","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-05-14T01:58:28Z","cross_cats_sorted":[],"title_canon_sha256":"fcde80e9bf616725538aaec6eb71dcec67ffe5b6cb57e4efd8e36bbdd013479f","abstract_canon_sha256":"19e10184f3edc68d7061312c47367a16d0497f185de95470e6b0e94e2d5e7ec5"},"schema_version":"1.0"},"canonical_sha256":"79337afc8770f0b86d4e9aaa7d55c16f2b175d47cf8a7a00e85bd499d34346e4","source":{"kind":"arxiv","id":"0805.1962","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.1962","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"arxiv_version","alias_value":"0805.1962v1","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.1962","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"pith_short_12","alias_value":"PEZXV7EHODYL","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"pith_short_16","alias_value":"PEZXV7EHODYLQ3KO","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"pith_short_8","alias_value":"PEZXV7EH","created_at":"2026-07-04T17:10:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:PEZXV7EHODYLQ3KOTKVH2VOBN4","target":"record","payload":{"canonical_record":{"source":{"id":"0805.1962","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-05-14T01:58:28Z","cross_cats_sorted":[],"title_canon_sha256":"fcde80e9bf616725538aaec6eb71dcec67ffe5b6cb57e4efd8e36bbdd013479f","abstract_canon_sha256":"19e10184f3edc68d7061312c47367a16d0497f185de95470e6b0e94e2d5e7ec5"},"schema_version":"1.0"},"canonical_sha256":"79337afc8770f0b86d4e9aaa7d55c16f2b175d47cf8a7a00e85bd499d34346e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:10:45.015269Z","signature_b64":"OJwwWInqIU2fojybvENpf9oExM3rFQuQK2r5ma7y9nv5ueWCqZ6NaVKLjHPBIjZQoFNImP0PJfjt8yXuV6M1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79337afc8770f0b86d4e9aaa7d55c16f2b175d47cf8a7a00e85bd499d34346e4","last_reissued_at":"2026-07-04T17:10:45.014947Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:10:45.014947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0805.1962","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":"2026-07-04T17:10:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tqYTSMeVKEnmcYV7GGcdaQ6F0tCMtZb4djH4S3rAT2y4Y9HvlyDKfzxPiPWGBdqFGlswfO2I3h8qAz/YmoUnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:10:19.349614Z"},"content_sha256":"c9d31e791ba210eaf0a95ec8fd371c92a7037242dc7adcba86a2959a778cf20f","schema_version":"1.0","event_id":"sha256:c9d31e791ba210eaf0a95ec8fd371c92a7037242dc7adcba86a2959a778cf20f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:PEZXV7EHODYLQ3KOTKVH2VOBN4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant optical anisotropy in cylindrical self-assembled InAs/GaAs quantum rings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chuan-Feng Li, Guang-Can Guo, Lixin He, Ming Gong, Weiwei Zhang, Zhiqiang Su","submitted_at":"2008-05-14T01:58:28Z","abstract_excerpt":"Using a single-particle atomistic pseudopotential method followed by a many-particle configuration interaction method, we investigate the geometry, electronic structure and optical transitions of a self-assembled InAs/GaAs quantum ring (QR), changing its shape continously from a lens-shaped quantum dot (QD) to a nearly one dimensional ring. We find that the biaxial strain in the ring is strongly asymmetric in the plane perpendicular to the QR growth direction, leading to giant optical anisotropy."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.1962","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/0805.1962/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":"2026-07-04T17:10:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+QsJaK/5laqPgAPXTgJ6hvuQ6ecrUEkTD7BOmVITxtTruRIfmMP9XmO93rXeX1y/dTlhdZ7uXJjnc8MFanP/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:10:19.350345Z"},"content_sha256":"589084762710a4deeb310e7d377cc09066deddcd6a439eeecc32388b99938277","schema_version":"1.0","event_id":"sha256:589084762710a4deeb310e7d377cc09066deddcd6a439eeecc32388b99938277"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PEZXV7EHODYLQ3KOTKVH2VOBN4/bundle.json","state_url":"https://pith.science/pith/PEZXV7EHODYLQ3KOTKVH2VOBN4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PEZXV7EHODYLQ3KOTKVH2VOBN4/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":"2026-08-05T06:10:19Z","links":{"resolver":"https://pith.science/pith/PEZXV7EHODYLQ3KOTKVH2VOBN4","bundle":"https://pith.science/pith/PEZXV7EHODYLQ3KOTKVH2VOBN4/bundle.json","state":"https://pith.science/pith/PEZXV7EHODYLQ3KOTKVH2VOBN4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PEZXV7EHODYLQ3KOTKVH2VOBN4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:PEZXV7EHODYLQ3KOTKVH2VOBN4","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":"19e10184f3edc68d7061312c47367a16d0497f185de95470e6b0e94e2d5e7ec5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-05-14T01:58:28Z","title_canon_sha256":"fcde80e9bf616725538aaec6eb71dcec67ffe5b6cb57e4efd8e36bbdd013479f"},"schema_version":"1.0","source":{"id":"0805.1962","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.1962","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"arxiv_version","alias_value":"0805.1962v1","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.1962","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"pith_short_12","alias_value":"PEZXV7EHODYL","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"pith_short_16","alias_value":"PEZXV7EHODYLQ3KO","created_at":"2026-07-04T17:10:45Z"},{"alias_kind":"pith_short_8","alias_value":"PEZXV7EH","created_at":"2026-07-04T17:10:45Z"}],"graph_snapshots":[{"event_id":"sha256:589084762710a4deeb310e7d377cc09066deddcd6a439eeecc32388b99938277","target":"graph","created_at":"2026-07-04T17:10:45Z","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/0805.1962/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using a single-particle atomistic pseudopotential method followed by a many-particle configuration interaction method, we investigate the geometry, electronic structure and optical transitions of a self-assembled InAs/GaAs quantum ring (QR), changing its shape continously from a lens-shaped quantum dot (QD) to a nearly one dimensional ring. We find that the biaxial strain in the ring is strongly asymmetric in the plane perpendicular to the QR growth direction, leading to giant optical anisotropy.","authors_text":"Chuan-Feng Li, Guang-Can Guo, Lixin He, Ming Gong, Weiwei Zhang, Zhiqiang Su","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-05-14T01:58:28Z","title":"Giant optical anisotropy in cylindrical self-assembled InAs/GaAs quantum rings"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.1962","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:c9d31e791ba210eaf0a95ec8fd371c92a7037242dc7adcba86a2959a778cf20f","target":"record","created_at":"2026-07-04T17:10:45Z","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":"19e10184f3edc68d7061312c47367a16d0497f185de95470e6b0e94e2d5e7ec5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-05-14T01:58:28Z","title_canon_sha256":"fcde80e9bf616725538aaec6eb71dcec67ffe5b6cb57e4efd8e36bbdd013479f"},"schema_version":"1.0","source":{"id":"0805.1962","kind":"arxiv","version":1}},"canonical_sha256":"79337afc8770f0b86d4e9aaa7d55c16f2b175d47cf8a7a00e85bd499d34346e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79337afc8770f0b86d4e9aaa7d55c16f2b175d47cf8a7a00e85bd499d34346e4","first_computed_at":"2026-07-04T17:10:45.014947Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:10:45.014947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OJwwWInqIU2fojybvENpf9oExM3rFQuQK2r5ma7y9nv5ueWCqZ6NaVKLjHPBIjZQoFNImP0PJfjt8yXuV6M1Bw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:10:45.015269Z","signed_message":"canonical_sha256_bytes"},"source_id":"0805.1962","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9d31e791ba210eaf0a95ec8fd371c92a7037242dc7adcba86a2959a778cf20f","sha256:589084762710a4deeb310e7d377cc09066deddcd6a439eeecc32388b99938277"],"state_sha256":"0f2d3e0ca75fc0a6c17bef116b95e61f624712497fd195984e0556d93612d710"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rHv3jWU5B8V8+0zI+HnBwj70qVAZVXW+isSUhgabRv8E9o1+sWi5ad07QL4ZyDIm2G5J9eVOCHXtm8xSKqDeBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:10:19.355555Z","bundle_sha256":"133f6ac9e0fdad67de5c643d3259febdab31e015f895e69508ee9004b60f99b6"}}