{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:MHQB5SIMPGEGVWMCMRJPHJNIX2","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":"cdcebdc2e19d2f190db297fd28a09a93742d3f74cc85be3ba0b06c64bda789cf","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"1997-03-24T13:57:11Z","title_canon_sha256":"65364f1b80395b67ab347f726f64d7818757f7dda2a775dbc351deae0be02a8a"},"schema_version":"1.0","source":{"id":"cond-mat/9703204","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9703204","created_at":"2026-07-04T16:03:46Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9703204v1","created_at":"2026-07-04T16:03:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9703204","created_at":"2026-07-04T16:03:46Z"},{"alias_kind":"pith_short_12","alias_value":"MHQB5SIMPGEG","created_at":"2026-07-04T16:03:46Z"},{"alias_kind":"pith_short_16","alias_value":"MHQB5SIMPGEGVWMC","created_at":"2026-07-04T16:03:46Z"},{"alias_kind":"pith_short_8","alias_value":"MHQB5SIM","created_at":"2026-07-04T16:03:46Z"}],"graph_snapshots":[{"event_id":"sha256:f3643a33363ce9056c14c3e103acf8292f81fd6a31de1a66d67a4c98d29c2752","target":"graph","created_at":"2026-07-04T16:03:46Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/9703204/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a computational study of the electronic properties of amorphous SiO2. The ionic configurations used are the ones generated by an earlier molecular dynamics simulations in which the system was cooled with different cooling rates from the liquid state to a glass, thus giving access to glass-like configurations with different degrees of disorder [Phys. Rev. B 54, 15808 (1996)]. The electronic structure is described by a tight-binding Hamiltonian. We study the influence of the degree of disorder on the density of states, the localization properties, the optical absorption, the nature of","authors_text":"Katharina Vollmayr (Institute for Physical Sciences, Mainz), Maryland), Technology, Thorsten Koslowski (Institut f\\\"ur Physikalische Chemie und Elektrochemie I, Universit\\\"at Karlsruhe), Walter Kob (Institut f\\\"ur Physik","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"1997-03-24T13:57:11Z","title":"The electronic structure of amorphous silica: A numerical study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9703204","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:d7b860f98748ee84b3f5dc758f99660bb0abb9df758d0c0b673ac4e4608c1aa8","target":"record","created_at":"2026-07-04T16:03:46Z","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":"cdcebdc2e19d2f190db297fd28a09a93742d3f74cc85be3ba0b06c64bda789cf","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"1997-03-24T13:57:11Z","title_canon_sha256":"65364f1b80395b67ab347f726f64d7818757f7dda2a775dbc351deae0be02a8a"},"schema_version":"1.0","source":{"id":"cond-mat/9703204","kind":"arxiv","version":1}},"canonical_sha256":"61e01ec90c79886ad9826452f3a5a8be887fb9f88519d0dff99611c2a8ed9187","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"61e01ec90c79886ad9826452f3a5a8be887fb9f88519d0dff99611c2a8ed9187","first_computed_at":"2026-07-04T16:03:46.157292Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:03:46.157292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NjQR6SX1EflDAZ0LQ1yjirOwe7MYRozRJdT4iVnDeSBLLAXu9WuEwVmOodD99qj25qhKIAdmiV0Tus0Z+2RcCg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:03:46.157707Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9703204","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d7b860f98748ee84b3f5dc758f99660bb0abb9df758d0c0b673ac4e4608c1aa8","sha256:f3643a33363ce9056c14c3e103acf8292f81fd6a31de1a66d67a4c98d29c2752"],"state_sha256":"7798ac5894c8dc01d1f68225ee3930f74073474e7eea67b1f65d004c59f9b0d4"}