{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:O6JARX3O4M2DP4FOI5QF3LEPB6","short_pith_number":"pith:O6JARX3O","canonical_record":{"source":{"id":"1612.09021","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-29T01:58:38Z","cross_cats_sorted":[],"title_canon_sha256":"25cebabd3b72b2cd97d7fe73cb90a377aa1a4565edc57377ce5c4f1756de4c4a","abstract_canon_sha256":"1e028423387b5713c62ae92bdde036008b8925a8914c65c4b1fac4ada80d5928"},"schema_version":"1.0"},"canonical_sha256":"779208df6ee33437f0ae47605dac8f0fb690fd1945dbd5e783b61f1b87a8e49d","source":{"kind":"arxiv","id":"1612.09021","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.09021","created_at":"2026-05-18T00:34:39Z"},{"alias_kind":"arxiv_version","alias_value":"1612.09021v2","created_at":"2026-05-18T00:34:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.09021","created_at":"2026-05-18T00:34:39Z"},{"alias_kind":"pith_short_12","alias_value":"O6JARX3O4M2D","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"O6JARX3O4M2DP4FO","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"O6JARX3O","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:O6JARX3O4M2DP4FOI5QF3LEPB6","target":"record","payload":{"canonical_record":{"source":{"id":"1612.09021","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-29T01:58:38Z","cross_cats_sorted":[],"title_canon_sha256":"25cebabd3b72b2cd97d7fe73cb90a377aa1a4565edc57377ce5c4f1756de4c4a","abstract_canon_sha256":"1e028423387b5713c62ae92bdde036008b8925a8914c65c4b1fac4ada80d5928"},"schema_version":"1.0"},"canonical_sha256":"779208df6ee33437f0ae47605dac8f0fb690fd1945dbd5e783b61f1b87a8e49d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:39.093661Z","signature_b64":"HI791nvIxWY/J99J/9CYJJ24dk2CMhCnZsOsO7HTcWUNZm63cAHNC258RMwfM3NTHj3sdqXQcRtV6o32WJPEDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"779208df6ee33437f0ae47605dac8f0fb690fd1945dbd5e783b61f1b87a8e49d","last_reissued_at":"2026-05-18T00:34:39.093231Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:39.093231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.09021","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":"2026-05-18T00:34:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9ISTtwFmk1DR/bZcfNS7WjYYJ3mV2G0MCJJ0yvOU4hiTCeuhBfHZAtFBAQ69xq5dUzXQrJ0MUbi6mNgqHOq2AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T00:57:11.159499Z"},"content_sha256":"fc5fa7de2060bd1433dd368eb1965ec4329408ed48acb3721b313f0fdca8fbbb","schema_version":"1.0","event_id":"sha256:fc5fa7de2060bd1433dd368eb1965ec4329408ed48acb3721b313f0fdca8fbbb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:O6JARX3O4M2DP4FOI5QF3LEPB6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revealing the stability and efficiency enhancement in mixed halide perovskites MAPb(I$_{1-x}$Cl$_x$)$_3$ with ab initio calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chol-Jun Yu, Gum-Chol Ri, Song-Nam Hong, Un-Gi Jong, Yong-Hyon Pae, Yong-Man Jang","submitted_at":"2016-12-29T01:58:38Z","abstract_excerpt":"A little addition of Cl to \\ce{MAPbI3} has been reported to improve the material stability as well as light harvesting and carrier conducting properties of organometal trihalide perovskites, the key component of perovskite solar cell (PSC). However, the mechanism of performance enhancement of PSC by Cl addition is still unclear. Here, we apply the efficient virtual crystal approximation method to revealing the effects of Cl addition on the structural, electronic, optical properties and material stability of \\ce{MAPb(I_{1-x}Cl_x)3}. Our {\\it ab initio} calculations present that as the increase "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.09021","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":"2026-05-18T00:34:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kB3mmAnTolTRUwPgf7iu1qUKob1OL+gVh+I7aO9p70eQVYW4DRPt+3BooB2ng51CtjgJ/H3y3LXEB1LmoHG0Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T00:57:11.159954Z"},"content_sha256":"9994cd2e568a352b03048bcce318089c55fae5e5781d3259c8664a178b476f92","schema_version":"1.0","event_id":"sha256:9994cd2e568a352b03048bcce318089c55fae5e5781d3259c8664a178b476f92"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O6JARX3O4M2DP4FOI5QF3LEPB6/bundle.json","state_url":"https://pith.science/pith/O6JARX3O4M2DP4FOI5QF3LEPB6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O6JARX3O4M2DP4FOI5QF3LEPB6/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":"2026-05-22T00:57:11Z","links":{"resolver":"https://pith.science/pith/O6JARX3O4M2DP4FOI5QF3LEPB6","bundle":"https://pith.science/pith/O6JARX3O4M2DP4FOI5QF3LEPB6/bundle.json","state":"https://pith.science/pith/O6JARX3O4M2DP4FOI5QF3LEPB6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O6JARX3O4M2DP4FOI5QF3LEPB6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:O6JARX3O4M2DP4FOI5QF3LEPB6","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":"1e028423387b5713c62ae92bdde036008b8925a8914c65c4b1fac4ada80d5928","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-29T01:58:38Z","title_canon_sha256":"25cebabd3b72b2cd97d7fe73cb90a377aa1a4565edc57377ce5c4f1756de4c4a"},"schema_version":"1.0","source":{"id":"1612.09021","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.09021","created_at":"2026-05-18T00:34:39Z"},{"alias_kind":"arxiv_version","alias_value":"1612.09021v2","created_at":"2026-05-18T00:34:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.09021","created_at":"2026-05-18T00:34:39Z"},{"alias_kind":"pith_short_12","alias_value":"O6JARX3O4M2D","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"O6JARX3O4M2DP4FO","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"O6JARX3O","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:9994cd2e568a352b03048bcce318089c55fae5e5781d3259c8664a178b476f92","target":"graph","created_at":"2026-05-18T00:34:39Z","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":"A little addition of Cl to \\ce{MAPbI3} has been reported to improve the material stability as well as light harvesting and carrier conducting properties of organometal trihalide perovskites, the key component of perovskite solar cell (PSC). However, the mechanism of performance enhancement of PSC by Cl addition is still unclear. Here, we apply the efficient virtual crystal approximation method to revealing the effects of Cl addition on the structural, electronic, optical properties and material stability of \\ce{MAPb(I_{1-x}Cl_x)3}. Our {\\it ab initio} calculations present that as the increase ","authors_text":"Chol-Jun Yu, Gum-Chol Ri, Song-Nam Hong, Un-Gi Jong, Yong-Hyon Pae, Yong-Man Jang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-29T01:58:38Z","title":"Revealing the stability and efficiency enhancement in mixed halide perovskites MAPb(I$_{1-x}$Cl$_x$)$_3$ with ab initio calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.09021","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:fc5fa7de2060bd1433dd368eb1965ec4329408ed48acb3721b313f0fdca8fbbb","target":"record","created_at":"2026-05-18T00:34:39Z","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":"1e028423387b5713c62ae92bdde036008b8925a8914c65c4b1fac4ada80d5928","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-29T01:58:38Z","title_canon_sha256":"25cebabd3b72b2cd97d7fe73cb90a377aa1a4565edc57377ce5c4f1756de4c4a"},"schema_version":"1.0","source":{"id":"1612.09021","kind":"arxiv","version":2}},"canonical_sha256":"779208df6ee33437f0ae47605dac8f0fb690fd1945dbd5e783b61f1b87a8e49d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"779208df6ee33437f0ae47605dac8f0fb690fd1945dbd5e783b61f1b87a8e49d","first_computed_at":"2026-05-18T00:34:39.093231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:39.093231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HI791nvIxWY/J99J/9CYJJ24dk2CMhCnZsOsO7HTcWUNZm63cAHNC258RMwfM3NTHj3sdqXQcRtV6o32WJPEDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:39.093661Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.09021","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc5fa7de2060bd1433dd368eb1965ec4329408ed48acb3721b313f0fdca8fbbb","sha256:9994cd2e568a352b03048bcce318089c55fae5e5781d3259c8664a178b476f92"],"state_sha256":"0c9a4c5380a99288bfd3fcbc5b15a8303721dfc0744a99506248c92c26da7922"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Xv/QqztwhscJmsscAQxhIeZhHRiYkSglLyKKqMbPwMtwGTv2a+4GNtymK3m+roPKDHYm1j8bNIofiWvfoY/Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T00:57:11.162700Z","bundle_sha256":"cf9310a44ce9b9b2d2203bcaeb8b076049a3e6d5333fb7bd98d9d70cd6ebe600"}}