{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:O3IYE5O4ANJUWJJKF3J3H2BFUT","short_pith_number":"pith:O3IYE5O4","canonical_record":{"source":{"id":"1601.06401","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-24T15:51:32Z","cross_cats_sorted":[],"title_canon_sha256":"74bf6ac949f0101adfdddcd4f7b4b859e14b81c55f82bf87685c87884ddefb8f","abstract_canon_sha256":"db6f9822330d657a7116ef8f76c939f9c67019502b96f9873dc264e4097fafda"},"schema_version":"1.0"},"canonical_sha256":"76d18275dc03534b252a2ed3b3e825a4da814e10210e5d4795f7b9cc0ede7fc4","source":{"kind":"arxiv","id":"1601.06401","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.06401","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"arxiv_version","alias_value":"1601.06401v1","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.06401","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"pith_short_12","alias_value":"O3IYE5O4ANJU","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"O3IYE5O4ANJUWJJK","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"O3IYE5O4","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:O3IYE5O4ANJUWJJKF3J3H2BFUT","target":"record","payload":{"canonical_record":{"source":{"id":"1601.06401","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-24T15:51:32Z","cross_cats_sorted":[],"title_canon_sha256":"74bf6ac949f0101adfdddcd4f7b4b859e14b81c55f82bf87685c87884ddefb8f","abstract_canon_sha256":"db6f9822330d657a7116ef8f76c939f9c67019502b96f9873dc264e4097fafda"},"schema_version":"1.0"},"canonical_sha256":"76d18275dc03534b252a2ed3b3e825a4da814e10210e5d4795f7b9cc0ede7fc4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:38.070495Z","signature_b64":"LDCSsQBPWvLWn9TyMiQASMQ1rhtolk5WoIHwxdSg54DUIR68lkiHuLe95uXfAmKk4Q3IxIVWEZMVy5TgJoxYCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76d18275dc03534b252a2ed3b3e825a4da814e10210e5d4795f7b9cc0ede7fc4","last_reissued_at":"2026-05-18T01:18:38.069815Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:38.069815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.06401","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":"2026-05-18T01:18:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VgAJez23855OoXKNjf2/qCj4Qxsb4ExgElhnls8BE8jMT4B1J9JD3FvbDSoAfEDbuceLjf6ogvypYACF6r7lCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T15:43:15.284842Z"},"content_sha256":"ffd0d0e69ac0952df445f711bab2af1ba1201ce23d83ce30a05d2a60255bffbe","schema_version":"1.0","event_id":"sha256:ffd0d0e69ac0952df445f711bab2af1ba1201ce23d83ce30a05d2a60255bffbe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:O3IYE5O4ANJUWJJKF3J3H2BFUT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical Properties of GaS-Ca(OH)$_2$ bilayer heterostructure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"E. Torun, F. M. Peeters, H. Sahin","submitted_at":"2016-01-24T15:51:32Z","abstract_excerpt":"Finding novel atomically-thin heterostructures and understanding their characteristic properties are critical for developing better nanoscale optoelectronic devices. In this study, we investigate the electronic and optical properties of GaS-Ca(OH)$_2$ heterostructure using first-principle calculations. The band gap of the GaS-Ca(OH)$_2$ heterostructure is significantly reduced when compared with those of the isolated constituent layers. Our calculations show that the GaS-Ca(OH)$_2$ heterostructure is a type-II heterojunction which can be used to separate photoinduced charge carriers where elec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.06401","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":"2026-05-18T01:18:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q5zxf2IgMLT1AeD5YmFKTSa+erz3j0qHnhiyMw/sYeKulXQddQmjTxehRut1PETYHLAna1WkOaVPsxIfAW+eBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T15:43:15.285223Z"},"content_sha256":"13a883e3212bb7942d5e8b399dc21e8e5f917029368c6574876b89e9f9be268e","schema_version":"1.0","event_id":"sha256:13a883e3212bb7942d5e8b399dc21e8e5f917029368c6574876b89e9f9be268e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O3IYE5O4ANJUWJJKF3J3H2BFUT/bundle.json","state_url":"https://pith.science/pith/O3IYE5O4ANJUWJJKF3J3H2BFUT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O3IYE5O4ANJUWJJKF3J3H2BFUT/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":"2026-06-09T15:43:15Z","links":{"resolver":"https://pith.science/pith/O3IYE5O4ANJUWJJKF3J3H2BFUT","bundle":"https://pith.science/pith/O3IYE5O4ANJUWJJKF3J3H2BFUT/bundle.json","state":"https://pith.science/pith/O3IYE5O4ANJUWJJKF3J3H2BFUT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O3IYE5O4ANJUWJJKF3J3H2BFUT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:O3IYE5O4ANJUWJJKF3J3H2BFUT","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":"db6f9822330d657a7116ef8f76c939f9c67019502b96f9873dc264e4097fafda","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-24T15:51:32Z","title_canon_sha256":"74bf6ac949f0101adfdddcd4f7b4b859e14b81c55f82bf87685c87884ddefb8f"},"schema_version":"1.0","source":{"id":"1601.06401","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.06401","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"arxiv_version","alias_value":"1601.06401v1","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.06401","created_at":"2026-05-18T01:18:38Z"},{"alias_kind":"pith_short_12","alias_value":"O3IYE5O4ANJU","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"O3IYE5O4ANJUWJJK","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"O3IYE5O4","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:13a883e3212bb7942d5e8b399dc21e8e5f917029368c6574876b89e9f9be268e","target":"graph","created_at":"2026-05-18T01:18:38Z","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":"Finding novel atomically-thin heterostructures and understanding their characteristic properties are critical for developing better nanoscale optoelectronic devices. In this study, we investigate the electronic and optical properties of GaS-Ca(OH)$_2$ heterostructure using first-principle calculations. The band gap of the GaS-Ca(OH)$_2$ heterostructure is significantly reduced when compared with those of the isolated constituent layers. Our calculations show that the GaS-Ca(OH)$_2$ heterostructure is a type-II heterojunction which can be used to separate photoinduced charge carriers where elec","authors_text":"E. Torun, F. M. Peeters, H. Sahin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-24T15:51:32Z","title":"Optical Properties of GaS-Ca(OH)$_2$ bilayer heterostructure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.06401","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:ffd0d0e69ac0952df445f711bab2af1ba1201ce23d83ce30a05d2a60255bffbe","target":"record","created_at":"2026-05-18T01:18:38Z","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":"db6f9822330d657a7116ef8f76c939f9c67019502b96f9873dc264e4097fafda","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-24T15:51:32Z","title_canon_sha256":"74bf6ac949f0101adfdddcd4f7b4b859e14b81c55f82bf87685c87884ddefb8f"},"schema_version":"1.0","source":{"id":"1601.06401","kind":"arxiv","version":1}},"canonical_sha256":"76d18275dc03534b252a2ed3b3e825a4da814e10210e5d4795f7b9cc0ede7fc4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76d18275dc03534b252a2ed3b3e825a4da814e10210e5d4795f7b9cc0ede7fc4","first_computed_at":"2026-05-18T01:18:38.069815Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:38.069815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LDCSsQBPWvLWn9TyMiQASMQ1rhtolk5WoIHwxdSg54DUIR68lkiHuLe95uXfAmKk4Q3IxIVWEZMVy5TgJoxYCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:38.070495Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.06401","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ffd0d0e69ac0952df445f711bab2af1ba1201ce23d83ce30a05d2a60255bffbe","sha256:13a883e3212bb7942d5e8b399dc21e8e5f917029368c6574876b89e9f9be268e"],"state_sha256":"bf24d801ada1c23246e29d4534593b207a04fb3664da816ecf2f47115261f9f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rkCBxxXHg3nCapoWevJHPNZWqUvTvLyhisUgL6iu13pkaZN+3ig8Wzq9WD37/ODypjFyE8b2c7gDt2CT3PQ3BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T15:43:15.287940Z","bundle_sha256":"14676c3ae9d3944d1127ea16d8105d7afb23289e9afb9324d18013aed5cf9b93"}}