{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FHZCAJIATTHLRTEHEBBBWJ3ED3","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":"5a2299b2904223a332f3d89f39ca6a7a9f36fea30c9005d0ebdd991e06008074","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-25T12:35:16Z","title_canon_sha256":"3cc08ffc1a62fff23ed3b45868bb8f04aff373edd53c780620750afcfe64531d"},"schema_version":"1.0","source":{"id":"1512.07991","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07991","created_at":"2026-05-18T01:23:43Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07991v1","created_at":"2026-05-18T01:23:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07991","created_at":"2026-05-18T01:23:43Z"},{"alias_kind":"pith_short_12","alias_value":"FHZCAJIATTHL","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FHZCAJIATTHLRTEH","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FHZCAJIA","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:14d8b217b769fc85e2e3f75e2f60d5ef0f07cec0e34b1100762e145b47d09e04","target":"graph","created_at":"2026-05-18T01:23:43Z","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":"Silicon (Si) nanoparticles (NPs) were synthesized by transforming Si wafer surface to ammonium silicon hexafluoride (ASH) or (NH4)2SiF6 under acid vapor treatment. Si-NPs are embedded within the polycrystalline (ASH) layer formed on the Si surface exhibit a strong green-orange photoluminescence (PL). Difference measurements revealed a major double component spectra consisting of a broad band associated with the ASH-Si wafer interfacial porous oxide layer and a high energy band attributable to Si-NPs embedded in the ASH. The origin of the latter emission can be explained in terms of quantum/spa","authors_text":"Michael Becker, Nikolai Zakharov, \\\"Orjan Arthursson, Peter Werner, Seref Kalem, Vadim Talalaev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-25T12:35:16Z","title":"Photoluminescence from Silicon nanoparticles embedded in ammonium silicon hexafluoride"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07991","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:e6fb0c9f8b48b534bdcc339e579e33fd8b782ca8bfebb289f301ce54cf3b2531","target":"record","created_at":"2026-05-18T01:23:43Z","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":"5a2299b2904223a332f3d89f39ca6a7a9f36fea30c9005d0ebdd991e06008074","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-25T12:35:16Z","title_canon_sha256":"3cc08ffc1a62fff23ed3b45868bb8f04aff373edd53c780620750afcfe64531d"},"schema_version":"1.0","source":{"id":"1512.07991","kind":"arxiv","version":1}},"canonical_sha256":"29f22025009cceb8cc8720421b27641ee76370d64de5efa932d5d46332e80232","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29f22025009cceb8cc8720421b27641ee76370d64de5efa932d5d46332e80232","first_computed_at":"2026-05-18T01:23:43.663124Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:43.663124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7rg9ewL1OanojATFLwYB/JDrqMJ1huKQA+sSQwc8+r7iiU/KnEmP4hiSOf6ryUPBa+nTwj6HdENJUcefL5XaCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:43.663761Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07991","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e6fb0c9f8b48b534bdcc339e579e33fd8b782ca8bfebb289f301ce54cf3b2531","sha256:14d8b217b769fc85e2e3f75e2f60d5ef0f07cec0e34b1100762e145b47d09e04"],"state_sha256":"1be4093e71095c3f72abc33d6f2d86d2e8f22045c6b2c34a913b991ded430586"}