{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:CZ32KA3OZA7UZYNA2B62X4V74F","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":"1a5e47fb6788e1d2e6bd6e4e2045327749e71f059c2d6c084f3f2c17658777a4","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-18T18:52:07Z","title_canon_sha256":"4d5768cd77f4f42c8ed34b1c79eae5cd33958b2a8517748c539c151590cc1fec"},"schema_version":"1.0","source":{"id":"0910.3402","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.3402","created_at":"2026-05-18T02:11:14Z"},{"alias_kind":"arxiv_version","alias_value":"0910.3402v1","created_at":"2026-05-18T02:11:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.3402","created_at":"2026-05-18T02:11:14Z"},{"alias_kind":"pith_short_12","alias_value":"CZ32KA3OZA7U","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CZ32KA3OZA7UZYNA","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CZ32KA3O","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:883e4597f8ef614624c10fe2cf5506483e4f7b423dcb5051e83f4eca9eccc8a7","target":"graph","created_at":"2026-05-18T02:11:14Z","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":"The exciton and biexciton binding energy have been studied for a ZnSe/ZnS core/shell quantum dot using WKB (Wentzel-Kramers-Brillouin) approximation. The exciton binding energy increases for small shell thickness and for large thickness, the binding energy again starts decreasing. A similar result is obtained for biexcitons where for thicker shells, the biexciton attains antibonding.","authors_text":"J. T. Andrews, P. K. Sen, Pratima Sen, Saikat Chattopadhyay","cross_cats":["cond-mat.dis-nn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-18T18:52:07Z","title":"Effect of shell thickness on exciton and biexciton binding energy of a ZnSe/ZnS core/shell quantum dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.3402","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":"sha256:495ce25404d032d2f28fd71db2f48bd459ab689c4d394049f66a9c21b3217b18","target":"record","created_at":"2026-05-18T02:11:14Z","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":"1a5e47fb6788e1d2e6bd6e4e2045327749e71f059c2d6c084f3f2c17658777a4","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-18T18:52:07Z","title_canon_sha256":"4d5768cd77f4f42c8ed34b1c79eae5cd33958b2a8517748c539c151590cc1fec"},"schema_version":"1.0","source":{"id":"0910.3402","kind":"arxiv","version":1}},"canonical_sha256":"1677a5036ec83f4ce1a0d07dabf2bfe147c3bf87f613583b4e70d56bf4dad671","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1677a5036ec83f4ce1a0d07dabf2bfe147c3bf87f613583b4e70d56bf4dad671","first_computed_at":"2026-05-18T02:11:14.541363Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:14.541363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AKy/e00jljFn5T8VeWuk6jzQYzP2LLQLQLxqD7Wovin0HSC9TubPyRfAuw97oqTzTgJon+wrlnfgshkT7sp9BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:14.542049Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.3402","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:495ce25404d032d2f28fd71db2f48bd459ab689c4d394049f66a9c21b3217b18","sha256:883e4597f8ef614624c10fe2cf5506483e4f7b423dcb5051e83f4eca9eccc8a7"],"state_sha256":"fa984c0b74ee7885a10aa3c96725ddd855dd45cbca599836ce2e7bce3935bfa7"}