{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:O7HVS3HATXTHWNXRKXHY2X2J2E","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":"30db03eba8f82265267fbbf39ae0802cc299637f4f2e7fd4c7ba6f0533a11315","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-12T13:39:34Z","title_canon_sha256":"4eacc97d364527a7cf619b7ba14c03db8c6b92677cef27d188c21a4576e9b409"},"schema_version":"1.0","source":{"id":"1206.2525","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.2525","created_at":"2026-05-18T01:24:44Z"},{"alias_kind":"arxiv_version","alias_value":"1206.2525v1","created_at":"2026-05-18T01:24:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.2525","created_at":"2026-05-18T01:24:44Z"},{"alias_kind":"pith_short_12","alias_value":"O7HVS3HATXTH","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"O7HVS3HATXTHWNXR","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"O7HVS3HA","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:fa8db3817ccafa2cd38f34927cd6306ea0a40142b2b10ff2fc1d2180ec5bac79","target":"graph","created_at":"2026-05-18T01:24:44Z","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 analyze the strain state of GaN nanowire ensembles by x-ray diffraction. The nanowires are grown by molecular beam epitaxy on a Si(111) substrate in a self-organized manner. On a macroscopic scale, the nanowires are found to be free of strain. However, coalescence of the nanowires results in micro-strain with a magnitude from +-0.015% to +-0.03%.This micro-strain contributes to the linewidth observed in low-temperature photoluminescence spectra.","authors_text":"Achim Trampert, Bernd Jenichen, Carsten Pfueller, Mathias Knelangen, Oliver Brandt, Pinar Dogan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-12T13:39:34Z","title":"Macro- and micro-strain in GaN nanowires on Si(111)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.2525","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":"sha256:65ad016a567b3239cb18bf58d6bc7b31d868b8e53e8289b05b9a162e17f06bf9","target":"record","created_at":"2026-05-18T01:24:44Z","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":"30db03eba8f82265267fbbf39ae0802cc299637f4f2e7fd4c7ba6f0533a11315","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-12T13:39:34Z","title_canon_sha256":"4eacc97d364527a7cf619b7ba14c03db8c6b92677cef27d188c21a4576e9b409"},"schema_version":"1.0","source":{"id":"1206.2525","kind":"arxiv","version":1}},"canonical_sha256":"77cf596ce09de67b36f155cf8d5f49d12c4f9518bb9a0440d66f85404c7a0ee7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77cf596ce09de67b36f155cf8d5f49d12c4f9518bb9a0440d66f85404c7a0ee7","first_computed_at":"2026-05-18T01:24:44.127773Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:44.127773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l1PLyGcJs45TfyjQbpUD1DPl6XHnw8fCVH961JR8JulmYDtnBuEZpBVml9tE7woottTzNZD6ayJkQADPd0w9Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:44.128407Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.2525","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65ad016a567b3239cb18bf58d6bc7b31d868b8e53e8289b05b9a162e17f06bf9","sha256:fa8db3817ccafa2cd38f34927cd6306ea0a40142b2b10ff2fc1d2180ec5bac79"],"state_sha256":"351a4a6efff58d872a675909396eb975dd2481bc2215c955c94510f3de9a05ba"}