{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Y3PNTGXG332LWIDPDOKVWNZ3NZ","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":"b196e09e9f339e91fabcfcfbcba8f1f64e0f28f53e34947c2e8b0d1392394e22","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-04-24T14:53:38Z","title_canon_sha256":"a4b140c54bbe875befb20415218086abb0718d09bbc6c0aac7e3a8e6840f7828"},"schema_version":"1.0","source":{"id":"1904.10854","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.10854","created_at":"2026-05-17T23:43:32Z"},{"alias_kind":"arxiv_version","alias_value":"1904.10854v2","created_at":"2026-05-17T23:43:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10854","created_at":"2026-05-17T23:43:32Z"},{"alias_kind":"pith_short_12","alias_value":"Y3PNTGXG332L","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"Y3PNTGXG332LWIDP","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"Y3PNTGXG","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:207565ad11e555fcb4dc188d07817bfaddfd0afba342ef0b320f879838989d5f","target":"graph","created_at":"2026-05-17T23:43:32Z","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":"Beta cells generate electric power as carrier-producing beta irradiation from incorporated radioisotopes bombard a series of p-n-junctions. However, radiation damage to the semiconductors commonly used in solar cells limits beta cells to extremely weak irradiations that generate concomitantly miniscule electric powers, e.g. micro-Watts. By contrast, beta cells that generate many orders-of-magnitude larger powers are possible with icosahedral boron-rich semiconductors since their bombardment-induced atomic displacements spontaneously self-heal. Furthermore, substitutions for Mg and Al atoms of ","authors_text":"David Emin","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-04-24T14:53:38Z","title":"Proposed high-power beta cells from MgAlB14-type icosahedral-boron semiconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10854","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":"sha256:03608f4af37d4bb801f79d9f95b7dd3c2fa85140aa0b84d95cbc33f5da6d6640","target":"record","created_at":"2026-05-17T23:43:32Z","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":"b196e09e9f339e91fabcfcfbcba8f1f64e0f28f53e34947c2e8b0d1392394e22","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-04-24T14:53:38Z","title_canon_sha256":"a4b140c54bbe875befb20415218086abb0718d09bbc6c0aac7e3a8e6840f7828"},"schema_version":"1.0","source":{"id":"1904.10854","kind":"arxiv","version":2}},"canonical_sha256":"c6ded99ae6def4bb206f1b955b373b6e7734e08402434cf14b31f8fb94c617b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6ded99ae6def4bb206f1b955b373b6e7734e08402434cf14b31f8fb94c617b5","first_computed_at":"2026-05-17T23:43:32.672237Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:32.672237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rKo2uY2Wdi8b1YEfmWs6aD/Eqri3mVwfad1lMrdfw63vyUqTXbqNw2eI3eD/ZwkPtxZVUKS6iAsm+LZHhEssBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:32.672748Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.10854","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03608f4af37d4bb801f79d9f95b7dd3c2fa85140aa0b84d95cbc33f5da6d6640","sha256:207565ad11e555fcb4dc188d07817bfaddfd0afba342ef0b320f879838989d5f"],"state_sha256":"a3578223554abbd0d5b3947116d826e78cc464302fc069d9785b7afd3eec32de"}