{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:KI7SHSF2YNA6HXVNPVBAMVZJFM","short_pith_number":"pith:KI7SHSF2","canonical_record":{"source":{"id":"1707.08324","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-26T08:55:17Z","cross_cats_sorted":[],"title_canon_sha256":"969d00235c344078262950df7317fbc8b621b20c7ab318344abc1ee60964947e","abstract_canon_sha256":"0875f9f0de88523045e10230417a8194cd50c3951e9c1162d506a0cfb84cea85"},"schema_version":"1.0"},"canonical_sha256":"523f23c8bac341e3dead7d420657292b268df07860dcc29771ff00ee13b144eb","source":{"kind":"arxiv","id":"1707.08324","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.08324","created_at":"2026-05-18T00:39:24Z"},{"alias_kind":"arxiv_version","alias_value":"1707.08324v1","created_at":"2026-05-18T00:39:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.08324","created_at":"2026-05-18T00:39:24Z"},{"alias_kind":"pith_short_12","alias_value":"KI7SHSF2YNA6","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"KI7SHSF2YNA6HXVN","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"KI7SHSF2","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:KI7SHSF2YNA6HXVNPVBAMVZJFM","target":"record","payload":{"canonical_record":{"source":{"id":"1707.08324","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-26T08:55:17Z","cross_cats_sorted":[],"title_canon_sha256":"969d00235c344078262950df7317fbc8b621b20c7ab318344abc1ee60964947e","abstract_canon_sha256":"0875f9f0de88523045e10230417a8194cd50c3951e9c1162d506a0cfb84cea85"},"schema_version":"1.0"},"canonical_sha256":"523f23c8bac341e3dead7d420657292b268df07860dcc29771ff00ee13b144eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:24.594565Z","signature_b64":"Wkfyy08HJDS71Gj0Io8cJTxp3LzDte1wQz0f5hp9Y1H5sbtUGgkqKvHLiIOb7t8tOa3GIEdm0/xXU4ysKH0hAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"523f23c8bac341e3dead7d420657292b268df07860dcc29771ff00ee13b144eb","last_reissued_at":"2026-05-18T00:39:24.593945Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:24.593945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.08324","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:39:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AdRc+0jMgiJeVZJT6tp9phFotfzq9lNULDWjJBwjAMWE0Pe9F1yE8SmBZ0lLk2Henz1AAZ5/aH3DCDI7QF3XCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T01:13:20.055596Z"},"content_sha256":"e4f1f810e0a92a3198b0e5419321bc1f38632f578c163529d2de60d5bac734c6","schema_version":"1.0","event_id":"sha256:e4f1f810e0a92a3198b0e5419321bc1f38632f578c163529d2de60d5bac734c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:KI7SHSF2YNA6HXVNPVBAMVZJFM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ab initio Study of Nonlinear Optical Susceptibilities in Silicon Nanowires","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Daryoush Shiri","submitted_at":"2017-07-26T08:55:17Z","abstract_excerpt":"Using Time Independent Density Functional Theory (TIDFT) it is shown that the 2nd order optical susceptibilities of narrow (1nm-2nm) Silicon Nanowires (SiNW) are enhanced due to surface termination. The value of $\\chi^{(2)}$ is enhanced up to 200 pm/V which is promising a strong Second Harmonic Generation (SHG) in SiNWs. For [100], [110] and [111] SiNWs, yxx component of $\\chi^{(2)}$ tensor is 81, 225 and 81 pm/V, respectively. These are in close agreement with $\\chi^{(2)}$ values reported for strained silicon waveguides in experiments. The 3rd order susceptibility, $\\chi^{(3)}$, is within the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.08324","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:39:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3BspyGw/hFfuft9i3hiiUa3fo9wm37Wv2ANptpVHOhLdT9Np0SMU1IHEBC3M3bx9qvlEGKSW+Oiaz5uwCcLQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T01:13:20.055927Z"},"content_sha256":"e0c817e79ebb21fd0ddc451c88435c5cbdf0c7951a9dd3d7c58cb3d475d84c5a","schema_version":"1.0","event_id":"sha256:e0c817e79ebb21fd0ddc451c88435c5cbdf0c7951a9dd3d7c58cb3d475d84c5a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KI7SHSF2YNA6HXVNPVBAMVZJFM/bundle.json","state_url":"https://pith.science/pith/KI7SHSF2YNA6HXVNPVBAMVZJFM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KI7SHSF2YNA6HXVNPVBAMVZJFM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-03T01:13:20Z","links":{"resolver":"https://pith.science/pith/KI7SHSF2YNA6HXVNPVBAMVZJFM","bundle":"https://pith.science/pith/KI7SHSF2YNA6HXVNPVBAMVZJFM/bundle.json","state":"https://pith.science/pith/KI7SHSF2YNA6HXVNPVBAMVZJFM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KI7SHSF2YNA6HXVNPVBAMVZJFM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:KI7SHSF2YNA6HXVNPVBAMVZJFM","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":"0875f9f0de88523045e10230417a8194cd50c3951e9c1162d506a0cfb84cea85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-26T08:55:17Z","title_canon_sha256":"969d00235c344078262950df7317fbc8b621b20c7ab318344abc1ee60964947e"},"schema_version":"1.0","source":{"id":"1707.08324","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.08324","created_at":"2026-05-18T00:39:24Z"},{"alias_kind":"arxiv_version","alias_value":"1707.08324v1","created_at":"2026-05-18T00:39:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.08324","created_at":"2026-05-18T00:39:24Z"},{"alias_kind":"pith_short_12","alias_value":"KI7SHSF2YNA6","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"KI7SHSF2YNA6HXVN","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"KI7SHSF2","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:e0c817e79ebb21fd0ddc451c88435c5cbdf0c7951a9dd3d7c58cb3d475d84c5a","target":"graph","created_at":"2026-05-18T00:39:24Z","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":"Using Time Independent Density Functional Theory (TIDFT) it is shown that the 2nd order optical susceptibilities of narrow (1nm-2nm) Silicon Nanowires (SiNW) are enhanced due to surface termination. The value of $\\chi^{(2)}$ is enhanced up to 200 pm/V which is promising a strong Second Harmonic Generation (SHG) in SiNWs. For [100], [110] and [111] SiNWs, yxx component of $\\chi^{(2)}$ tensor is 81, 225 and 81 pm/V, respectively. These are in close agreement with $\\chi^{(2)}$ values reported for strained silicon waveguides in experiments. The 3rd order susceptibility, $\\chi^{(3)}$, is within the","authors_text":"Daryoush Shiri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-26T08:55:17Z","title":"Ab initio Study of Nonlinear Optical Susceptibilities in Silicon Nanowires"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.08324","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:e4f1f810e0a92a3198b0e5419321bc1f38632f578c163529d2de60d5bac734c6","target":"record","created_at":"2026-05-18T00:39:24Z","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":"0875f9f0de88523045e10230417a8194cd50c3951e9c1162d506a0cfb84cea85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-26T08:55:17Z","title_canon_sha256":"969d00235c344078262950df7317fbc8b621b20c7ab318344abc1ee60964947e"},"schema_version":"1.0","source":{"id":"1707.08324","kind":"arxiv","version":1}},"canonical_sha256":"523f23c8bac341e3dead7d420657292b268df07860dcc29771ff00ee13b144eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"523f23c8bac341e3dead7d420657292b268df07860dcc29771ff00ee13b144eb","first_computed_at":"2026-05-18T00:39:24.593945Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:24.593945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wkfyy08HJDS71Gj0Io8cJTxp3LzDte1wQz0f5hp9Y1H5sbtUGgkqKvHLiIOb7t8tOa3GIEdm0/xXU4ysKH0hAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:24.594565Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.08324","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e4f1f810e0a92a3198b0e5419321bc1f38632f578c163529d2de60d5bac734c6","sha256:e0c817e79ebb21fd0ddc451c88435c5cbdf0c7951a9dd3d7c58cb3d475d84c5a"],"state_sha256":"b79d4141074b5fcd2f31609b15e060ff8759fdd68eb07ce5d57e7fe0cc7c87da"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g+50FOI5c7KQ262RzRrKgYbw7WMIgIui4Gn6cR3SjM5vO7YuZPPy66YwEBodFpuqRBRKBZtrShgRp+oytlLqCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T01:13:20.057837Z","bundle_sha256":"fde9f34433d97806d8118e34e212b365ef38e18cbfac072f557a42ae5f070e1c"}}