{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BEXATKEERSS75VHKDVRMA5LVW2","short_pith_number":"pith:BEXATKEE","canonical_record":{"source":{"id":"1708.02990","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atm-clus","submitted_at":"2017-08-09T19:59:35Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d1785c81592946bfa4ca75d9d3643902fa40a6f7e2ad380334f832cce11380f4","abstract_canon_sha256":"6e0e283c235ba57d955f6f02a57a975dd8b28421b7bdd99118295b16ac02834c"},"schema_version":"1.0"},"canonical_sha256":"092e09a8848ca5fed4ea1d62c07575b6b00c197f51eaf047a7c31b362f463259","source":{"kind":"arxiv","id":"1708.02990","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02990","created_at":"2026-05-18T00:35:54Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02990v2","created_at":"2026-05-18T00:35:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02990","created_at":"2026-05-18T00:35:54Z"},{"alias_kind":"pith_short_12","alias_value":"BEXATKEERSS7","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BEXATKEERSS75VHK","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BEXATKEE","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BEXATKEERSS75VHKDVRMA5LVW2","target":"record","payload":{"canonical_record":{"source":{"id":"1708.02990","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atm-clus","submitted_at":"2017-08-09T19:59:35Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d1785c81592946bfa4ca75d9d3643902fa40a6f7e2ad380334f832cce11380f4","abstract_canon_sha256":"6e0e283c235ba57d955f6f02a57a975dd8b28421b7bdd99118295b16ac02834c"},"schema_version":"1.0"},"canonical_sha256":"092e09a8848ca5fed4ea1d62c07575b6b00c197f51eaf047a7c31b362f463259","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:54.986626Z","signature_b64":"OEmj0CrVv8zbYDSIkYo1vxerbkpLZYVJOmdcC/pEWNAHnANnaPpMbzHxe92v68miXUlXRtWCFJ6DTUKj83lmCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"092e09a8848ca5fed4ea1d62c07575b6b00c197f51eaf047a7c31b362f463259","last_reissued_at":"2026-05-18T00:35:54.986186Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:54.986186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.02990","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:35:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9AhfnyslBnhS70e3ZIQJ+iYbW8pMyG6GuwAurYyGEuzsnvgTqMv9uxhoAbACAWYsYCyY0mkb8UFA2JsqRipuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:49:51.910004Z"},"content_sha256":"8d3127fc802d03506719bfc6bfd5216669435bfa4c1ddfd1366e4e6347968643","schema_version":"1.0","event_id":"sha256:8d3127fc802d03506719bfc6bfd5216669435bfa4c1ddfd1366e4e6347968643"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BEXATKEERSS75VHKDVRMA5LVW2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The effect of electric field on multiple exciton generation in lead chalcogenide nanocrystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.atm-clus","authors_text":"Hamidreza Ramezani, Mahdi Gordi, Mohammad Kazem Moravvej-Farshi","submitted_at":"2017-08-09T19:59:35Z","abstract_excerpt":"Unique properties of lead chalcogenides have enabled multiple exciton generation (MEG) in their nanocrystals that can be beneficial in enhancing the efficiency of the third generation solar cells. Although the intrinsic electric field plays an imperative role in a solar cell, its effect on the multiple exciton generation (MEG) has been overlooked, so far. Using EOM-CCSD as a many-body approach, we show that any electric field can affect the absorptivity spectra of the lead chalcogenide nanocrystals (Pb4Te4, Pb4Se4, and Pb4S4). The same electric field, however, has insignificant effects on the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02990","kind":"arxiv","version":2},"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":"2026-05-18T00:35:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QuPrNidLkDACojlzhzGfWliD8LBOedzsTIM0edIwDyEm/s7ZqtTPY2xL0RlR8ZoNXTi4frhZiZvmhbVhyASyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:49:51.910679Z"},"content_sha256":"4ef9e8efcd6480216b204aea3e3b783d490435a196ca09509c63e2a0d1aead88","schema_version":"1.0","event_id":"sha256:4ef9e8efcd6480216b204aea3e3b783d490435a196ca09509c63e2a0d1aead88"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BEXATKEERSS75VHKDVRMA5LVW2/bundle.json","state_url":"https://pith.science/pith/BEXATKEERSS75VHKDVRMA5LVW2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BEXATKEERSS75VHKDVRMA5LVW2/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":"2026-05-26T22:49:51Z","links":{"resolver":"https://pith.science/pith/BEXATKEERSS75VHKDVRMA5LVW2","bundle":"https://pith.science/pith/BEXATKEERSS75VHKDVRMA5LVW2/bundle.json","state":"https://pith.science/pith/BEXATKEERSS75VHKDVRMA5LVW2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BEXATKEERSS75VHKDVRMA5LVW2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BEXATKEERSS75VHKDVRMA5LVW2","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":"6e0e283c235ba57d955f6f02a57a975dd8b28421b7bdd99118295b16ac02834c","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atm-clus","submitted_at":"2017-08-09T19:59:35Z","title_canon_sha256":"d1785c81592946bfa4ca75d9d3643902fa40a6f7e2ad380334f832cce11380f4"},"schema_version":"1.0","source":{"id":"1708.02990","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02990","created_at":"2026-05-18T00:35:54Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02990v2","created_at":"2026-05-18T00:35:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02990","created_at":"2026-05-18T00:35:54Z"},{"alias_kind":"pith_short_12","alias_value":"BEXATKEERSS7","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BEXATKEERSS75VHK","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BEXATKEE","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:4ef9e8efcd6480216b204aea3e3b783d490435a196ca09509c63e2a0d1aead88","target":"graph","created_at":"2026-05-18T00:35:54Z","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":"Unique properties of lead chalcogenides have enabled multiple exciton generation (MEG) in their nanocrystals that can be beneficial in enhancing the efficiency of the third generation solar cells. Although the intrinsic electric field plays an imperative role in a solar cell, its effect on the multiple exciton generation (MEG) has been overlooked, so far. Using EOM-CCSD as a many-body approach, we show that any electric field can affect the absorptivity spectra of the lead chalcogenide nanocrystals (Pb4Te4, Pb4Se4, and Pb4S4). The same electric field, however, has insignificant effects on the ","authors_text":"Hamidreza Ramezani, Mahdi Gordi, Mohammad Kazem Moravvej-Farshi","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atm-clus","submitted_at":"2017-08-09T19:59:35Z","title":"The effect of electric field on multiple exciton generation in lead chalcogenide nanocrystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02990","kind":"arxiv","version":2},"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":"sha256:8d3127fc802d03506719bfc6bfd5216669435bfa4c1ddfd1366e4e6347968643","target":"record","created_at":"2026-05-18T00:35:54Z","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":"6e0e283c235ba57d955f6f02a57a975dd8b28421b7bdd99118295b16ac02834c","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atm-clus","submitted_at":"2017-08-09T19:59:35Z","title_canon_sha256":"d1785c81592946bfa4ca75d9d3643902fa40a6f7e2ad380334f832cce11380f4"},"schema_version":"1.0","source":{"id":"1708.02990","kind":"arxiv","version":2}},"canonical_sha256":"092e09a8848ca5fed4ea1d62c07575b6b00c197f51eaf047a7c31b362f463259","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"092e09a8848ca5fed4ea1d62c07575b6b00c197f51eaf047a7c31b362f463259","first_computed_at":"2026-05-18T00:35:54.986186Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:54.986186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OEmj0CrVv8zbYDSIkYo1vxerbkpLZYVJOmdcC/pEWNAHnANnaPpMbzHxe92v68miXUlXRtWCFJ6DTUKj83lmCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:54.986626Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.02990","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d3127fc802d03506719bfc6bfd5216669435bfa4c1ddfd1366e4e6347968643","sha256:4ef9e8efcd6480216b204aea3e3b783d490435a196ca09509c63e2a0d1aead88"],"state_sha256":"aa19cb246e232f0ca133c36eb81f37813ca7822655d08f929f68395a488135dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cNxkattJzbciIa+lMTDw/TVDlyBp3Hfb89Of4AsyiQUHuwly8OZ8v7GE5lNp2b3On9aWsfXwRg45KLlUNi02Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:49:51.914479Z","bundle_sha256":"08b9c7b3455a8cf40daaff6748916578349ca3480f0f764264a90a6fc5d816b8"}}