{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:ELMJ2ONCCRBDIKF42EP2DF3672","short_pith_number":"pith:ELMJ2ONC","schema_version":"1.0","canonical_sha256":"22d89d39a214423428bcd11fa1977efeb870586a620f7f89eaad82d48ebe67c8","source":{"kind":"arxiv","id":"1508.04071","version":1},"attestation_state":"computed","paper":{"title":"Mechanical Properties of APbX3 (A=Cs or CH3NH3; X=I or Br) Perovskite Single Crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"David Cahen, Gary Hodes, Nir Klein Kedem, Sidney R. Cohen, Yevgeny Rakita","submitted_at":"2015-08-17T15:58:30Z","abstract_excerpt":"The remarkable optoelectronic, and especially photovoltaic performance of hybrid-organic-inorganic perovskite (HOIP) materials drives efforts to connect materials properties to this performance. From nano-indentation experiments on solution-grown single crystals we obtain elastic modulus and nano-hardness values of APbX3 (A = Cs, CH3NH3 and X = I, Br). The Youngs moduli are about 14, 19.5 and 16 GPa, for CH3NH3PbI3, CH3NH3PbBr3 and CsPbBr3, respectively, lending credence to theoretically calculated values. We discuss possible relevance of our results to suggested self-healing, ion diffusion an"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1508.04071","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-08-17T15:58:30Z","cross_cats_sorted":[],"title_canon_sha256":"7cdc79f46fd5cd4435d074cbb93556e0902efeb8ec2227744c43449c6153394d","abstract_canon_sha256":"0e7763602eef63620eb7ff03b1397c2e4d7e67242345fdeb9aa75992253c1a96"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:35.904825Z","signature_b64":"J13xU9+cX670sUzZldsvGRUvjV81UnzNvcbTLFaiIiz+KhLSS07VkbBg0Ud864zXU2Y6F0Is8N+Mf1qShEv8Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22d89d39a214423428bcd11fa1977efeb870586a620f7f89eaad82d48ebe67c8","last_reissued_at":"2026-05-18T00:50:35.904159Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:35.904159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mechanical Properties of APbX3 (A=Cs or CH3NH3; X=I or Br) Perovskite Single Crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"David Cahen, Gary Hodes, Nir Klein Kedem, Sidney R. Cohen, Yevgeny Rakita","submitted_at":"2015-08-17T15:58:30Z","abstract_excerpt":"The remarkable optoelectronic, and especially photovoltaic performance of hybrid-organic-inorganic perovskite (HOIP) materials drives efforts to connect materials properties to this performance. From nano-indentation experiments on solution-grown single crystals we obtain elastic modulus and nano-hardness values of APbX3 (A = Cs, CH3NH3 and X = I, Br). The Youngs moduli are about 14, 19.5 and 16 GPa, for CH3NH3PbI3, CH3NH3PbBr3 and CsPbBr3, respectively, lending credence to theoretically calculated values. We discuss possible relevance of our results to suggested self-healing, ion diffusion an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.04071","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1508.04071","created_at":"2026-05-18T00:50:35.904266+00:00"},{"alias_kind":"arxiv_version","alias_value":"1508.04071v1","created_at":"2026-05-18T00:50:35.904266+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.04071","created_at":"2026-05-18T00:50:35.904266+00:00"},{"alias_kind":"pith_short_12","alias_value":"ELMJ2ONCCRBD","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_16","alias_value":"ELMJ2ONCCRBDIKF4","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_8","alias_value":"ELMJ2ONC","created_at":"2026-05-18T12:29:19.899920+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ELMJ2ONCCRBDIKF42EP2DF3672","json":"https://pith.science/pith/ELMJ2ONCCRBDIKF42EP2DF3672.json","graph_json":"https://pith.science/api/pith-number/ELMJ2ONCCRBDIKF42EP2DF3672/graph.json","events_json":"https://pith.science/api/pith-number/ELMJ2ONCCRBDIKF42EP2DF3672/events.json","paper":"https://pith.science/paper/ELMJ2ONC"},"agent_actions":{"view_html":"https://pith.science/pith/ELMJ2ONCCRBDIKF42EP2DF3672","download_json":"https://pith.science/pith/ELMJ2ONCCRBDIKF42EP2DF3672.json","view_paper":"https://pith.science/paper/ELMJ2ONC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1508.04071&json=true","fetch_graph":"https://pith.science/api/pith-number/ELMJ2ONCCRBDIKF42EP2DF3672/graph.json","fetch_events":"https://pith.science/api/pith-number/ELMJ2ONCCRBDIKF42EP2DF3672/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ELMJ2ONCCRBDIKF42EP2DF3672/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ELMJ2ONCCRBDIKF42EP2DF3672/action/storage_attestation","attest_author":"https://pith.science/pith/ELMJ2ONCCRBDIKF42EP2DF3672/action/author_attestation","sign_citation":"https://pith.science/pith/ELMJ2ONCCRBDIKF42EP2DF3672/action/citation_signature","submit_replication":"https://pith.science/pith/ELMJ2ONCCRBDIKF42EP2DF3672/action/replication_record"}},"created_at":"2026-05-18T00:50:35.904266+00:00","updated_at":"2026-05-18T00:50:35.904266+00:00"}