{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:KZIOBOJOA4WCT3VPYFH7MRF27G","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":"61c5a873751f0ee66954f6cf2d580697981bf49eb8284a157b4da5650ddf9633","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-08-27T09:12:33Z","title_canon_sha256":"ccd062662a00cb435fc300f6c1b5f7e65435afbcb6a2f6196b804f323b37a112"},"schema_version":"1.0","source":{"id":"0908.3958","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3958","created_at":"2026-05-18T02:12:22Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3958v1","created_at":"2026-05-18T02:12:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3958","created_at":"2026-05-18T02:12:22Z"},{"alias_kind":"pith_short_12","alias_value":"KZIOBOJOA4WC","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"KZIOBOJOA4WCT3VP","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"KZIOBOJO","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:47289f7549566ac48b3dd54bf6d06c7bc8e095fa8b16d99217fc78b1d16275e5","target":"graph","created_at":"2026-05-18T02:12:22Z","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 find that introducing segmented isotopic disorder patterns may considerably reduce the thermal conductivity of pristine carbon nanotubes below the uncorrelated disorder value. This is a result of the interplay between different length scales in the phonon scattering process. We use ab-initio atomistic Green's function calculations to quantify the effect of various types of segmentation similar to that experimentally produced by coalescence of isotope-engineered fullerenes.","authors_text":"CEA Grenoble), Francesco Mauri (IMPMC), Gabriel Stoltz (CERMICS), Natalio Mingo (LITEN","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-08-27T09:12:33Z","title":"Reducing the thermal conductivity of carbon nanotubes below the random isotope limit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3958","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":"sha256:0ddf956992c6191c7974dfaa5bce717f48f18f78980ed0874e6b3f243c106b48","target":"record","created_at":"2026-05-18T02:12:22Z","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":"61c5a873751f0ee66954f6cf2d580697981bf49eb8284a157b4da5650ddf9633","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-08-27T09:12:33Z","title_canon_sha256":"ccd062662a00cb435fc300f6c1b5f7e65435afbcb6a2f6196b804f323b37a112"},"schema_version":"1.0","source":{"id":"0908.3958","kind":"arxiv","version":1}},"canonical_sha256":"5650e0b92e072c29eeafc14ff644baf9a4b0b43785c320371963f9265fd9eca1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5650e0b92e072c29eeafc14ff644baf9a4b0b43785c320371963f9265fd9eca1","first_computed_at":"2026-05-18T02:12:22.301629Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:22.301629Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0ZraqCppymKJGg49b3HBUF/DiqX+Mny08riF9wS4Zn8+IeT9oi5rtcAOU6J+eFnMs3i0l2LY7na89/a0n+HRBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:22.302370Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.3958","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ddf956992c6191c7974dfaa5bce717f48f18f78980ed0874e6b3f243c106b48","sha256:47289f7549566ac48b3dd54bf6d06c7bc8e095fa8b16d99217fc78b1d16275e5"],"state_sha256":"dfdfe1273eba98a8cef1c9cfc94b4d7c3e2d64b5ec5d3d18d88ba96adde6c028"}