{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:UVXZWJIIFC6LVFVOGQVTUFI2BY","short_pith_number":"pith:UVXZWJII","canonical_record":{"source":{"id":"2403.01557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-03T16:38:25Z","cross_cats_sorted":[],"title_canon_sha256":"13f8c598f8c8306dbdbe624fad1a12fd6ede63e60ec042caec8b5a82e31f390e","abstract_canon_sha256":"032d1a1598499345113adec1194b007bec97a62b105b73b68209ce2c3a3e46a0"},"schema_version":"1.0"},"canonical_sha256":"a56f9b250828bcba96ae342b3a151a0e03ddb6841e154707739fede78725a4a9","source":{"kind":"arxiv","id":"2403.01557","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.01557","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"arxiv_version","alias_value":"2403.01557v1","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.01557","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"pith_short_12","alias_value":"UVXZWJIIFC6L","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"pith_short_16","alias_value":"UVXZWJIIFC6LVFVO","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"pith_short_8","alias_value":"UVXZWJII","created_at":"2026-07-05T07:51:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:UVXZWJIIFC6LVFVOGQVTUFI2BY","target":"record","payload":{"canonical_record":{"source":{"id":"2403.01557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-03T16:38:25Z","cross_cats_sorted":[],"title_canon_sha256":"13f8c598f8c8306dbdbe624fad1a12fd6ede63e60ec042caec8b5a82e31f390e","abstract_canon_sha256":"032d1a1598499345113adec1194b007bec97a62b105b73b68209ce2c3a3e46a0"},"schema_version":"1.0"},"canonical_sha256":"a56f9b250828bcba96ae342b3a151a0e03ddb6841e154707739fede78725a4a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:51:48.784538Z","signature_b64":"UUyvoh++snSCgLgaBq1XTmAsrsq5zrWMyTbgcfr4+EHaha+xPM8Dqr957TVSAupbpoSwk32fhkahWcXeasSuBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a56f9b250828bcba96ae342b3a151a0e03ddb6841e154707739fede78725a4a9","last_reissued_at":"2026-07-05T07:51:48.784130Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:51:48.784130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.01557","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":"2026-07-05T07:51:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WxlTwicDGqvMnQ3eeKjlbLNYzZk5EchnRvI26XuZEUbrdd00WV8tMDZlaVYgQAV0l9jVKXmuvhMozachh0J+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T06:13:25.241544Z"},"content_sha256":"1c427f78674851324977b68a7035b2a5ced1286648dea71da7288860416cb3ef","schema_version":"1.0","event_id":"sha256:1c427f78674851324977b68a7035b2a5ced1286648dea71da7288860416cb3ef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:UVXZWJIIFC6LVFVOGQVTUFI2BY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Location and migration of interstitial Li ions in CsPbI$_3$ crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Christian Els\\\"asser, Daniel F. Urban, Julian Gebhardt, Wei Wei","submitted_at":"2024-03-03T16:38:25Z","abstract_excerpt":"Halide perovskites are highly promising light-harvesting materials with strong ionic character, enabling in principle the combination of a solar cell and a Li-ion battery in one integrated photo-battery device. Here, we investigate Li ions inside crystals of CsPbI$_3$, as a prototype compound, by means of density-functional-theory calculations. Our findings demonstrate that the interstitial location and migration of Li ions depend strongly on the dynamic nature of the crystal structure of the perovskite compound. We consider two limiting cases for Li in CsPbI$_{3}$,(i) the cubic-symmetry struc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.01557","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2403.01557/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:51:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ssa+Sw5RUz6Pc6EZoT1Sam+b3KPVtT10YI0bAEwCe7AVn7oldVh0//8qLQKCYar/ttNmgjcAYoyZMqt9b+a+Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T06:13:25.242052Z"},"content_sha256":"9713bfd7bb39dc896aff02f01292cac7f9e0f7ca7e853a6e3f7049cd07fccb9c","schema_version":"1.0","event_id":"sha256:9713bfd7bb39dc896aff02f01292cac7f9e0f7ca7e853a6e3f7049cd07fccb9c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVXZWJIIFC6LVFVOGQVTUFI2BY/bundle.json","state_url":"https://pith.science/pith/UVXZWJIIFC6LVFVOGQVTUFI2BY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVXZWJIIFC6LVFVOGQVTUFI2BY/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":"2026-08-11T06:13:25Z","links":{"resolver":"https://pith.science/pith/UVXZWJIIFC6LVFVOGQVTUFI2BY","bundle":"https://pith.science/pith/UVXZWJIIFC6LVFVOGQVTUFI2BY/bundle.json","state":"https://pith.science/pith/UVXZWJIIFC6LVFVOGQVTUFI2BY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVXZWJIIFC6LVFVOGQVTUFI2BY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:UVXZWJIIFC6LVFVOGQVTUFI2BY","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":"032d1a1598499345113adec1194b007bec97a62b105b73b68209ce2c3a3e46a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-03T16:38:25Z","title_canon_sha256":"13f8c598f8c8306dbdbe624fad1a12fd6ede63e60ec042caec8b5a82e31f390e"},"schema_version":"1.0","source":{"id":"2403.01557","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.01557","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"arxiv_version","alias_value":"2403.01557v1","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.01557","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"pith_short_12","alias_value":"UVXZWJIIFC6L","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"pith_short_16","alias_value":"UVXZWJIIFC6LVFVO","created_at":"2026-07-05T07:51:48Z"},{"alias_kind":"pith_short_8","alias_value":"UVXZWJII","created_at":"2026-07-05T07:51:48Z"}],"graph_snapshots":[{"event_id":"sha256:9713bfd7bb39dc896aff02f01292cac7f9e0f7ca7e853a6e3f7049cd07fccb9c","target":"graph","created_at":"2026-07-05T07:51:48Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2403.01557/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Halide perovskites are highly promising light-harvesting materials with strong ionic character, enabling in principle the combination of a solar cell and a Li-ion battery in one integrated photo-battery device. Here, we investigate Li ions inside crystals of CsPbI$_3$, as a prototype compound, by means of density-functional-theory calculations. Our findings demonstrate that the interstitial location and migration of Li ions depend strongly on the dynamic nature of the crystal structure of the perovskite compound. We consider two limiting cases for Li in CsPbI$_{3}$,(i) the cubic-symmetry struc","authors_text":"Christian Els\\\"asser, Daniel F. Urban, Julian Gebhardt, Wei Wei","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-03T16:38:25Z","title":"Location and migration of interstitial Li ions in CsPbI$_3$ crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.01557","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":"sha256:1c427f78674851324977b68a7035b2a5ced1286648dea71da7288860416cb3ef","target":"record","created_at":"2026-07-05T07:51:48Z","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":"032d1a1598499345113adec1194b007bec97a62b105b73b68209ce2c3a3e46a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-03T16:38:25Z","title_canon_sha256":"13f8c598f8c8306dbdbe624fad1a12fd6ede63e60ec042caec8b5a82e31f390e"},"schema_version":"1.0","source":{"id":"2403.01557","kind":"arxiv","version":1}},"canonical_sha256":"a56f9b250828bcba96ae342b3a151a0e03ddb6841e154707739fede78725a4a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a56f9b250828bcba96ae342b3a151a0e03ddb6841e154707739fede78725a4a9","first_computed_at":"2026-07-05T07:51:48.784130Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:51:48.784130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UUyvoh++snSCgLgaBq1XTmAsrsq5zrWMyTbgcfr4+EHaha+xPM8Dqr957TVSAupbpoSwk32fhkahWcXeasSuBw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:51:48.784538Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.01557","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c427f78674851324977b68a7035b2a5ced1286648dea71da7288860416cb3ef","sha256:9713bfd7bb39dc896aff02f01292cac7f9e0f7ca7e853a6e3f7049cd07fccb9c"],"state_sha256":"91833c83f75d364529a5a20806cba5b77146a4e4382db81809b8f3b5b5b217b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pdv17zhXqFyzo7bMzFGRnjXmWaGvyY04kiwEYzGmMvBCoDDFEixPraqdOLjayNbZxW8D3h4sQq9ZIxVhoAgcAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T06:13:25.246839Z","bundle_sha256":"cd82a782b00675005eeb6c5ffb543a7dd0215f4883c56135200e0ac49c83c6cf"}}