{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:EVSYTBW2N3VS5IN35SDZZTG6Z5","short_pith_number":"pith:EVSYTBW2","schema_version":"1.0","canonical_sha256":"25658986da6eeb2ea1bbec879cccdecf48914b31931c81c00e5acd5372415f0c","source":{"kind":"arxiv","id":"1707.05321","version":2},"attestation_state":"computed","paper":{"title":"Thermal conductivity changes across a structural phase transition: the case of high-pressure silica","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hugo Aramberri, Jorge \\'I\\~niguez, Riccardo Rurali","submitted_at":"2017-07-17T18:00:01Z","abstract_excerpt":"By means of first-principles calculations, we investigate the thermal properties of silica as it evolves, under hydrostatic compression, from a stishovite phase into a CaCl$_2$-type structure. We compute the thermal conductivity tensor by solving the linearized Boltzmann transport equation iteratively in a wide temperature range, using for this the pressure-dependent harmonic and anharmonic interatomic couplings obtained from first principles. Most remarkably, we find that, at low temperatures, SiO$_2$ displays a large peak in the in-plane thermal conductivity and a highly anisotropic behavior"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1707.05321","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-07-17T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"a12345cdb6cdbb4fb5fd4b39d22cb7677142751419c940c2710f0e994f12a16d","abstract_canon_sha256":"0c9fd86a019dc5592021561b49e9af6ba7ef3cc217395f43ed15cfc32d9c6682"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:01.343127Z","signature_b64":"e/gm3omUjsV+1YB4piG2bux4k8sW6eaPr/s0pfEN6WFI+vOlDPZMhEmtWaKi5mbyJKJ6F1Sdp70tjAYg5cekAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25658986da6eeb2ea1bbec879cccdecf48914b31931c81c00e5acd5372415f0c","last_reissued_at":"2026-05-18T00:30:01.342475Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:01.342475Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thermal conductivity changes across a structural phase transition: the case of high-pressure silica","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hugo Aramberri, Jorge \\'I\\~niguez, Riccardo Rurali","submitted_at":"2017-07-17T18:00:01Z","abstract_excerpt":"By means of first-principles calculations, we investigate the thermal properties of silica as it evolves, under hydrostatic compression, from a stishovite phase into a CaCl$_2$-type structure. We compute the thermal conductivity tensor by solving the linearized Boltzmann transport equation iteratively in a wide temperature range, using for this the pressure-dependent harmonic and anharmonic interatomic couplings obtained from first principles. Most remarkably, we find that, at low temperatures, SiO$_2$ displays a large peak in the in-plane thermal conductivity and a highly anisotropic behavior"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.05321","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1707.05321","created_at":"2026-05-18T00:30:01.342572+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.05321v2","created_at":"2026-05-18T00:30:01.342572+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.05321","created_at":"2026-05-18T00:30:01.342572+00:00"},{"alias_kind":"pith_short_12","alias_value":"EVSYTBW2N3VS","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"EVSYTBW2N3VS5IN3","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"EVSYTBW2","created_at":"2026-05-18T12:31:12.930513+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EVSYTBW2N3VS5IN35SDZZTG6Z5","json":"https://pith.science/pith/EVSYTBW2N3VS5IN35SDZZTG6Z5.json","graph_json":"https://pith.science/api/pith-number/EVSYTBW2N3VS5IN35SDZZTG6Z5/graph.json","events_json":"https://pith.science/api/pith-number/EVSYTBW2N3VS5IN35SDZZTG6Z5/events.json","paper":"https://pith.science/paper/EVSYTBW2"},"agent_actions":{"view_html":"https://pith.science/pith/EVSYTBW2N3VS5IN35SDZZTG6Z5","download_json":"https://pith.science/pith/EVSYTBW2N3VS5IN35SDZZTG6Z5.json","view_paper":"https://pith.science/paper/EVSYTBW2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.05321&json=true","fetch_graph":"https://pith.science/api/pith-number/EVSYTBW2N3VS5IN35SDZZTG6Z5/graph.json","fetch_events":"https://pith.science/api/pith-number/EVSYTBW2N3VS5IN35SDZZTG6Z5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EVSYTBW2N3VS5IN35SDZZTG6Z5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EVSYTBW2N3VS5IN35SDZZTG6Z5/action/storage_attestation","attest_author":"https://pith.science/pith/EVSYTBW2N3VS5IN35SDZZTG6Z5/action/author_attestation","sign_citation":"https://pith.science/pith/EVSYTBW2N3VS5IN35SDZZTG6Z5/action/citation_signature","submit_replication":"https://pith.science/pith/EVSYTBW2N3VS5IN35SDZZTG6Z5/action/replication_record"}},"created_at":"2026-05-18T00:30:01.342572+00:00","updated_at":"2026-05-18T00:30:01.342572+00:00"}