{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YG7RFSADUM7UV4DFMH5DX5KYMJ","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":"397e28b9049baf9b189fc4070e8128189a572dd1c11d6d8a048ec289ddf6e19d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-02-13T20:05:12Z","title_canon_sha256":"e1e9d8f18deb929a8732a0d634a1fff75ff7c96cbf475b1b3fffbc9ebe2e95c4"},"schema_version":"1.0","source":{"id":"1502.04103","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04103","created_at":"2026-05-18T02:27:06Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04103v1","created_at":"2026-05-18T02:27:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04103","created_at":"2026-05-18T02:27:06Z"},{"alias_kind":"pith_short_12","alias_value":"YG7RFSADUM7U","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YG7RFSADUM7UV4DF","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YG7RFSAD","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:0c8746ad6d1d24716cee673653e933f666af9f8ac715b397b4f265fb888d07f1","target":"graph","created_at":"2026-05-18T02:27:06Z","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":"We have used ion-irradiation to damage the (001) surfaces of SmB_6 single crystals to varying depths, and have measured the resistivity as a function of temperature for each depth of damage. We observe a reduction in the residual resistivity with increasing depth of damage. Our data are consistent with a model in which the surface state is not destroyed by the ion-irradiation, but instead the damaged layer is poorly conducting and the initial surface state is reconstructed below the damage. This behavior is consistent with a surface state that is topologically protected.","authors_text":"(2) Dept. of Physics, Astronomy, F. Ronning (1), Irvine), J. D. Thompson (1) ((1) Los Alamos National Laboratory, N. Wakeham (1), University of California, Y. Q. Wang (1), Z. Fisk (2)","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-02-13T20:05:12Z","title":"Surface state reconstruction in ion-damaged SmB_6"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04103","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":"sha256:6560bd6f4434805b4206525a2cb5daaac9b0bb7cf8eb9aba9c1d58662e68d87c","target":"record","created_at":"2026-05-18T02:27:06Z","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":"397e28b9049baf9b189fc4070e8128189a572dd1c11d6d8a048ec289ddf6e19d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-02-13T20:05:12Z","title_canon_sha256":"e1e9d8f18deb929a8732a0d634a1fff75ff7c96cbf475b1b3fffbc9ebe2e95c4"},"schema_version":"1.0","source":{"id":"1502.04103","kind":"arxiv","version":1}},"canonical_sha256":"c1bf12c803a33f4af06561fa3bf5586271f03b3b6354ad4fe548fe2659c5a231","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1bf12c803a33f4af06561fa3bf5586271f03b3b6354ad4fe548fe2659c5a231","first_computed_at":"2026-05-18T02:27:06.481407Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:27:06.481407Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o+or4E/+aCOEKn5mCJH8Gn9UnpO9eCTTCUc07LddG3t/Q3M5IQydA8Cfj6/eCP/QFetsHKpzd9fkweL1b6hsCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:27:06.482085Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.04103","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6560bd6f4434805b4206525a2cb5daaac9b0bb7cf8eb9aba9c1d58662e68d87c","sha256:0c8746ad6d1d24716cee673653e933f666af9f8ac715b397b4f265fb888d07f1"],"state_sha256":"cb4cb3b4529ce3f2a64daece5e5c0fe3bcbc533825e27f69239081197e8fc408"}