{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:OFX6DSS3VMZYEJQ5TGMXUDPZSB","short_pith_number":"pith:OFX6DSS3","schema_version":"1.0","canonical_sha256":"716fe1ca5bab3382261d99997a0df99079362fa72ce0c4814499b9de8c75753f","source":{"kind":"arxiv","id":"2506.15604","version":1},"attestation_state":"computed","paper":{"title":"Maximizing solubility in rock salt high-entropy oxides","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Christina M. Rost, Dhiya Srikanth, Jacob T. Sivak, Jon-Paul Maria, Joseph Petruska, Matthew Furst, Saeed S. I. Almishal, Susan B. Sinnott","submitted_at":"2025-06-18T16:25:35Z","abstract_excerpt":"To explore and quantitatively map the cation-size mismatch solubility limits in high-entropy oxides (HEOs), we report on Ca$^{2+}$ substitution in prototypical MgCoNiCuZnO, because, while isovalent, Ca$^{2+}$ is 38% larger than its partners' average ionic radii. Using the thermodynamics-grounded bond-length distribution descriptor, we identify Ca$^{2+}$-Cu$^{2+}$ interactions as the primary prospective lattice destabilizer. Bulk synthesis confirms only 4% Ca solubility with Cu at 950$^o$C, modestly rising to 5% after Cu removal at 1150$^o$C. We then employ far-from-equilibrium pulsed-laser dep"},"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":"2506.15604","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-18T16:25:35Z","cross_cats_sorted":[],"title_canon_sha256":"4ae15bb9a44ec165f0a9fab488e71f26d7f7a0c418fb2788c2c0135efb6f9439","abstract_canon_sha256":"b7d87183276f293ddb20fa6132a3161a35718288927ad38b0e0fa21d12f68b82"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-28T02:04:41.448031Z","signature_b64":"5UvfgAGRfDKEUWxjfrZi/KaSwGlm9qRwI2BsAatGuRoKJiDWdteEs47zo9jws+ISuh1eAMiVUJYWuq5pqk0oBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"716fe1ca5bab3382261d99997a0df99079362fa72ce0c4814499b9de8c75753f","last_reissued_at":"2026-05-28T02:04:41.447526Z","signature_status":"signed_v1","first_computed_at":"2026-05-28T02:04:41.447526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Maximizing solubility in rock salt high-entropy oxides","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Christina M. Rost, Dhiya Srikanth, Jacob T. Sivak, Jon-Paul Maria, Joseph Petruska, Matthew Furst, Saeed S. I. Almishal, Susan B. Sinnott","submitted_at":"2025-06-18T16:25:35Z","abstract_excerpt":"To explore and quantitatively map the cation-size mismatch solubility limits in high-entropy oxides (HEOs), we report on Ca$^{2+}$ substitution in prototypical MgCoNiCuZnO, because, while isovalent, Ca$^{2+}$ is 38% larger than its partners' average ionic radii. Using the thermodynamics-grounded bond-length distribution descriptor, we identify Ca$^{2+}$-Cu$^{2+}$ interactions as the primary prospective lattice destabilizer. Bulk synthesis confirms only 4% Ca solubility with Cu at 950$^o$C, modestly rising to 5% after Cu removal at 1150$^o$C. We then employ far-from-equilibrium pulsed-laser dep"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.15604","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/2506.15604/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2506.15604","created_at":"2026-05-28T02:04:41.447587+00:00"},{"alias_kind":"arxiv_version","alias_value":"2506.15604v1","created_at":"2026-05-28T02:04:41.447587+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.15604","created_at":"2026-05-28T02:04:41.447587+00:00"},{"alias_kind":"pith_short_12","alias_value":"OFX6DSS3VMZY","created_at":"2026-05-28T02:04:41.447587+00:00"},{"alias_kind":"pith_short_16","alias_value":"OFX6DSS3VMZYEJQ5","created_at":"2026-05-28T02:04:41.447587+00:00"},{"alias_kind":"pith_short_8","alias_value":"OFX6DSS3","created_at":"2026-05-28T02:04:41.447587+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/OFX6DSS3VMZYEJQ5TGMXUDPZSB","json":"https://pith.science/pith/OFX6DSS3VMZYEJQ5TGMXUDPZSB.json","graph_json":"https://pith.science/api/pith-number/OFX6DSS3VMZYEJQ5TGMXUDPZSB/graph.json","events_json":"https://pith.science/api/pith-number/OFX6DSS3VMZYEJQ5TGMXUDPZSB/events.json","paper":"https://pith.science/paper/OFX6DSS3"},"agent_actions":{"view_html":"https://pith.science/pith/OFX6DSS3VMZYEJQ5TGMXUDPZSB","download_json":"https://pith.science/pith/OFX6DSS3VMZYEJQ5TGMXUDPZSB.json","view_paper":"https://pith.science/paper/OFX6DSS3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2506.15604&json=true","fetch_graph":"https://pith.science/api/pith-number/OFX6DSS3VMZYEJQ5TGMXUDPZSB/graph.json","fetch_events":"https://pith.science/api/pith-number/OFX6DSS3VMZYEJQ5TGMXUDPZSB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OFX6DSS3VMZYEJQ5TGMXUDPZSB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OFX6DSS3VMZYEJQ5TGMXUDPZSB/action/storage_attestation","attest_author":"https://pith.science/pith/OFX6DSS3VMZYEJQ5TGMXUDPZSB/action/author_attestation","sign_citation":"https://pith.science/pith/OFX6DSS3VMZYEJQ5TGMXUDPZSB/action/citation_signature","submit_replication":"https://pith.science/pith/OFX6DSS3VMZYEJQ5TGMXUDPZSB/action/replication_record"}},"created_at":"2026-05-28T02:04:41.447587+00:00","updated_at":"2026-05-28T02:04:41.447587+00:00"}