{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NJA3VIQGXA5FAXOFNKSUSL542X","short_pith_number":"pith:NJA3VIQG","canonical_record":{"source":{"id":"1612.04781","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T19:42:24Z","cross_cats_sorted":[],"title_canon_sha256":"f43ce84243a6c0608b666d8f7edf661961c27e9b0b9f0fc1aa78ad7d1e51a3c1","abstract_canon_sha256":"fb942b6f33092e05c359a65226f88cdc433afd0145e4801db75e8a7f1525991e"},"schema_version":"1.0"},"canonical_sha256":"6a41baa206b83a505dc56aa5492fbcd5f89402896648401505f607912e702c9b","source":{"kind":"arxiv","id":"1612.04781","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.04781","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"arxiv_version","alias_value":"1612.04781v1","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.04781","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"pith_short_12","alias_value":"NJA3VIQGXA5F","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NJA3VIQGXA5FAXOF","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NJA3VIQG","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NJA3VIQGXA5FAXOFNKSUSL542X","target":"record","payload":{"canonical_record":{"source":{"id":"1612.04781","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T19:42:24Z","cross_cats_sorted":[],"title_canon_sha256":"f43ce84243a6c0608b666d8f7edf661961c27e9b0b9f0fc1aa78ad7d1e51a3c1","abstract_canon_sha256":"fb942b6f33092e05c359a65226f88cdc433afd0145e4801db75e8a7f1525991e"},"schema_version":"1.0"},"canonical_sha256":"6a41baa206b83a505dc56aa5492fbcd5f89402896648401505f607912e702c9b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:17.553786Z","signature_b64":"dpDV2APJ443v164GnD6luqpppbVOLLV7dWWNnuMNLnyzqnH1r3pC6Fzn9UlUsLrvYQ3KPjRlD90ZHPCGRnbQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a41baa206b83a505dc56aa5492fbcd5f89402896648401505f607912e702c9b","last_reissued_at":"2026-05-18T00:42:17.553178Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:17.553178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.04781","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":"2026-05-18T00:42:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+YjZyhXIrUUkgqbxFwp+0TAE0xO7LCXzkV5UT9mLCFmqzuXU/sQf1jOOHpJ4ugHq3JNzB/VM4YmSvVKtDYZ6DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:35:28.483880Z"},"content_sha256":"d2195838805e271afe15376be37eb1529d3b11950176454ee00465984a274951","schema_version":"1.0","event_id":"sha256:d2195838805e271afe15376be37eb1529d3b11950176454ee00465984a274951"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NJA3VIQGXA5FAXOFNKSUSL542X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ionization energy as a stability criterion for halide perovskites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chao Zheng, Oleg Rubel","submitted_at":"2016-12-14T19:42:24Z","abstract_excerpt":"Instability of hybrid organic-inorganic halide perovskites hinders their development for photovoltaic applications. First-principle calculations are used for evaluation of a decomposition reaction enthalpy of hybrid halide perovskites, which is linked to experimentally observed degradation of device characteristics. However, simple criteria for predicting stability of halide perovskites are lacking since Goldschmidt's tolerance and octahedral geometrical factors do not fully capture formability of those perovskites. In this paper, we extend the Born-Haber cycle to partition the reaction enthal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04781","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":"2026-05-18T00:42:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sk0yWAJWfsrNr0piBjX0SZ1LEGKQWHjEaaslSgQsm8W/5CP3YXuMQvnZv5WClQG3bwqhveycUffmsqYg44ndCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:35:28.484215Z"},"content_sha256":"f1abd3f5e9b4dbc1502ca92ba6514672a86943b5a36850e94978741eecc59be2","schema_version":"1.0","event_id":"sha256:f1abd3f5e9b4dbc1502ca92ba6514672a86943b5a36850e94978741eecc59be2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NJA3VIQGXA5FAXOFNKSUSL542X/bundle.json","state_url":"https://pith.science/pith/NJA3VIQGXA5FAXOFNKSUSL542X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NJA3VIQGXA5FAXOFNKSUSL542X/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":"2026-06-03T17:35:28Z","links":{"resolver":"https://pith.science/pith/NJA3VIQGXA5FAXOFNKSUSL542X","bundle":"https://pith.science/pith/NJA3VIQGXA5FAXOFNKSUSL542X/bundle.json","state":"https://pith.science/pith/NJA3VIQGXA5FAXOFNKSUSL542X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NJA3VIQGXA5FAXOFNKSUSL542X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NJA3VIQGXA5FAXOFNKSUSL542X","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":"fb942b6f33092e05c359a65226f88cdc433afd0145e4801db75e8a7f1525991e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T19:42:24Z","title_canon_sha256":"f43ce84243a6c0608b666d8f7edf661961c27e9b0b9f0fc1aa78ad7d1e51a3c1"},"schema_version":"1.0","source":{"id":"1612.04781","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.04781","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"arxiv_version","alias_value":"1612.04781v1","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.04781","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"pith_short_12","alias_value":"NJA3VIQGXA5F","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NJA3VIQGXA5FAXOF","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NJA3VIQG","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:f1abd3f5e9b4dbc1502ca92ba6514672a86943b5a36850e94978741eecc59be2","target":"graph","created_at":"2026-05-18T00:42:17Z","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":"Instability of hybrid organic-inorganic halide perovskites hinders their development for photovoltaic applications. First-principle calculations are used for evaluation of a decomposition reaction enthalpy of hybrid halide perovskites, which is linked to experimentally observed degradation of device characteristics. However, simple criteria for predicting stability of halide perovskites are lacking since Goldschmidt's tolerance and octahedral geometrical factors do not fully capture formability of those perovskites. In this paper, we extend the Born-Haber cycle to partition the reaction enthal","authors_text":"Chao Zheng, Oleg Rubel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T19:42:24Z","title":"Ionization energy as a stability criterion for halide perovskites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04781","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:d2195838805e271afe15376be37eb1529d3b11950176454ee00465984a274951","target":"record","created_at":"2026-05-18T00:42:17Z","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":"fb942b6f33092e05c359a65226f88cdc433afd0145e4801db75e8a7f1525991e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-14T19:42:24Z","title_canon_sha256":"f43ce84243a6c0608b666d8f7edf661961c27e9b0b9f0fc1aa78ad7d1e51a3c1"},"schema_version":"1.0","source":{"id":"1612.04781","kind":"arxiv","version":1}},"canonical_sha256":"6a41baa206b83a505dc56aa5492fbcd5f89402896648401505f607912e702c9b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a41baa206b83a505dc56aa5492fbcd5f89402896648401505f607912e702c9b","first_computed_at":"2026-05-18T00:42:17.553178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:17.553178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dpDV2APJ443v164GnD6luqpppbVOLLV7dWWNnuMNLnyzqnH1r3pC6Fzn9UlUsLrvYQ3KPjRlD90ZHPCGRnbQCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:17.553786Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.04781","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2195838805e271afe15376be37eb1529d3b11950176454ee00465984a274951","sha256:f1abd3f5e9b4dbc1502ca92ba6514672a86943b5a36850e94978741eecc59be2"],"state_sha256":"f00c7f6d5df8a2bbee792a804d1110790808de0e2aa19f4cbda12cec5a498b6b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gd1xHT1ua8XQ+ArQ2p+qCpnOeYm+IJ5O3cOmo3zM1vdQoRKsEPzOJwYUC5ywZIGPESwX17O85fPucdKN42lPBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T17:35:28.486155Z","bundle_sha256":"dc3b74933f1d5cc24a83e0bbecb2a4ef32410857d1c5994552784faed185aab7"}}