{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:TTP3B2H3USQC7NT34L3NVO6I4S","short_pith_number":"pith:TTP3B2H3","canonical_record":{"source":{"id":"1404.1700","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-07T09:08:25Z","cross_cats_sorted":[],"title_canon_sha256":"d0dc76debad50ccbcd0be5ae79556650ec890189b09030add3482339dae15dca","abstract_canon_sha256":"edfb4bcf75725bf6b390be3aa21da3121b5bcdf097d6b884db4f5c350ebd04d5"},"schema_version":"1.0"},"canonical_sha256":"9cdfb0e8fba4a02fb67be2f6dabbc8e4b6a48106007a71d8c7942c141fbd223e","source":{"kind":"arxiv","id":"1404.1700","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.1700","created_at":"2026-05-18T01:33:16Z"},{"alias_kind":"arxiv_version","alias_value":"1404.1700v1","created_at":"2026-05-18T01:33:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.1700","created_at":"2026-05-18T01:33:16Z"},{"alias_kind":"pith_short_12","alias_value":"TTP3B2H3USQC","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"TTP3B2H3USQC7NT3","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"TTP3B2H3","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:TTP3B2H3USQC7NT34L3NVO6I4S","target":"record","payload":{"canonical_record":{"source":{"id":"1404.1700","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-07T09:08:25Z","cross_cats_sorted":[],"title_canon_sha256":"d0dc76debad50ccbcd0be5ae79556650ec890189b09030add3482339dae15dca","abstract_canon_sha256":"edfb4bcf75725bf6b390be3aa21da3121b5bcdf097d6b884db4f5c350ebd04d5"},"schema_version":"1.0"},"canonical_sha256":"9cdfb0e8fba4a02fb67be2f6dabbc8e4b6a48106007a71d8c7942c141fbd223e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:16.756718Z","signature_b64":"TnFise+gd0bSPUVd9xr/CttgwJQgHDSjbcHiD5bSBGVI/1+rmAGOnJJYd3oT9PN8VIjBLE6YFABH7ue/1bqTDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cdfb0e8fba4a02fb67be2f6dabbc8e4b6a48106007a71d8c7942c141fbd223e","last_reissued_at":"2026-05-18T01:33:16.755952Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:16.755952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.1700","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":"2026-05-18T01:33:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WUYXtMjddlBQffUHyXSgSv2egrzdwpqemYSvl3I1fTeQNis3PaE8j4EhCGBSqKLGDG88kfhuYugkQ8o+WVowCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:55:29.141375Z"},"content_sha256":"8732f2359e5203699f33b8eb0e9328eb574dcf467cd88f105b7c56849cd31cd0","schema_version":"1.0","event_id":"sha256:8732f2359e5203699f33b8eb0e9328eb574dcf467cd88f105b7c56849cd31cd0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:TTP3B2H3USQC7NT34L3NVO6I4S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polarization-entangled photon generation by a semiconductor quantum dot coupled to a cavity interacting with external fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Andreas F. Terzis, Evaggelos Vlachos, Kostas Blekos, Maria-Eftaksia Stasinou, Nikos Iliopoulos","submitted_at":"2014-04-07T09:08:25Z","abstract_excerpt":"We theoretically investigate polarization-entangled photon generation by using a semiconductor quantum dot embedded in a microcavity. The entangled states can be produced by the application of two cross-circularly polarized laser fields. The quantum dot nanostructure is considered as a four-level system (ground, two excitons and bi-exciton states) and the theoretical study relies on the dressed states scheme. The quantum correlations, reported in terms of the entanglement of formation, are extensively studied for several values of the important parameters of the quantum dot system as the bi-ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.1700","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":"2026-05-18T01:33:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oaZY4gvzKJMF3guVKaxPSVsmLjTjsK6S9SBGOhEXdXvKUSz2LIm/FGlGKDen5+om1p8DQywRmoj92nRyiNnxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:55:29.142107Z"},"content_sha256":"75b8500691715656fba5607c2556ef3f217144a5780aa38e44137f7fe9f13781","schema_version":"1.0","event_id":"sha256:75b8500691715656fba5607c2556ef3f217144a5780aa38e44137f7fe9f13781"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TTP3B2H3USQC7NT34L3NVO6I4S/bundle.json","state_url":"https://pith.science/pith/TTP3B2H3USQC7NT34L3NVO6I4S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TTP3B2H3USQC7NT34L3NVO6I4S/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":"2026-06-08T15:55:29Z","links":{"resolver":"https://pith.science/pith/TTP3B2H3USQC7NT34L3NVO6I4S","bundle":"https://pith.science/pith/TTP3B2H3USQC7NT34L3NVO6I4S/bundle.json","state":"https://pith.science/pith/TTP3B2H3USQC7NT34L3NVO6I4S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TTP3B2H3USQC7NT34L3NVO6I4S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TTP3B2H3USQC7NT34L3NVO6I4S","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":"edfb4bcf75725bf6b390be3aa21da3121b5bcdf097d6b884db4f5c350ebd04d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-07T09:08:25Z","title_canon_sha256":"d0dc76debad50ccbcd0be5ae79556650ec890189b09030add3482339dae15dca"},"schema_version":"1.0","source":{"id":"1404.1700","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.1700","created_at":"2026-05-18T01:33:16Z"},{"alias_kind":"arxiv_version","alias_value":"1404.1700v1","created_at":"2026-05-18T01:33:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.1700","created_at":"2026-05-18T01:33:16Z"},{"alias_kind":"pith_short_12","alias_value":"TTP3B2H3USQC","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"TTP3B2H3USQC7NT3","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"TTP3B2H3","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:75b8500691715656fba5607c2556ef3f217144a5780aa38e44137f7fe9f13781","target":"graph","created_at":"2026-05-18T01:33:16Z","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 theoretically investigate polarization-entangled photon generation by using a semiconductor quantum dot embedded in a microcavity. The entangled states can be produced by the application of two cross-circularly polarized laser fields. The quantum dot nanostructure is considered as a four-level system (ground, two excitons and bi-exciton states) and the theoretical study relies on the dressed states scheme. The quantum correlations, reported in terms of the entanglement of formation, are extensively studied for several values of the important parameters of the quantum dot system as the bi-ex","authors_text":"Andreas F. Terzis, Evaggelos Vlachos, Kostas Blekos, Maria-Eftaksia Stasinou, Nikos Iliopoulos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-07T09:08:25Z","title":"Polarization-entangled photon generation by a semiconductor quantum dot coupled to a cavity interacting with external fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.1700","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":"sha256:8732f2359e5203699f33b8eb0e9328eb574dcf467cd88f105b7c56849cd31cd0","target":"record","created_at":"2026-05-18T01:33:16Z","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":"edfb4bcf75725bf6b390be3aa21da3121b5bcdf097d6b884db4f5c350ebd04d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-07T09:08:25Z","title_canon_sha256":"d0dc76debad50ccbcd0be5ae79556650ec890189b09030add3482339dae15dca"},"schema_version":"1.0","source":{"id":"1404.1700","kind":"arxiv","version":1}},"canonical_sha256":"9cdfb0e8fba4a02fb67be2f6dabbc8e4b6a48106007a71d8c7942c141fbd223e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9cdfb0e8fba4a02fb67be2f6dabbc8e4b6a48106007a71d8c7942c141fbd223e","first_computed_at":"2026-05-18T01:33:16.755952Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:16.755952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TnFise+gd0bSPUVd9xr/CttgwJQgHDSjbcHiD5bSBGVI/1+rmAGOnJJYd3oT9PN8VIjBLE6YFABH7ue/1bqTDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:16.756718Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.1700","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8732f2359e5203699f33b8eb0e9328eb574dcf467cd88f105b7c56849cd31cd0","sha256:75b8500691715656fba5607c2556ef3f217144a5780aa38e44137f7fe9f13781"],"state_sha256":"bb0488c21a17189cb3ebd2b2df27ccbdabdd9acd0e99d107824852afa3ab6641"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W3z3zjFpCwBPh+yrLDM5ydTqFt3Px2P2FIebus4bmpPCIqXgblI5qcws2A994R0LZxILMVOoyUAs/wsJ4qBFBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:55:29.146477Z","bundle_sha256":"f3cabea268b30e707d451a063ee7784707c6308c03756a218c35e9910a418594"}}