{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5ARC6P6LQTV7RASIN4TWQFNAJC","short_pith_number":"pith:5ARC6P6L","canonical_record":{"source":{"id":"1809.04751","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-13T02:55:12Z","cross_cats_sorted":[],"title_canon_sha256":"265daa211d49330bb3446082712a2f6da3818e8dd09c38b3ec8978d00c14d403","abstract_canon_sha256":"bd926ed949cc27cd77745ca62cca764365d8ac72af256f5601d94aee069c11cb"},"schema_version":"1.0"},"canonical_sha256":"e8222f3fcb84ebf882486f276815a04898d681a0146b957efd6547cd4961ab7d","source":{"kind":"arxiv","id":"1809.04751","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04751","created_at":"2026-05-18T00:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04751v1","created_at":"2026-05-18T00:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04751","created_at":"2026-05-18T00:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"5ARC6P6LQTV7","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5ARC6P6LQTV7RASI","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5ARC6P6L","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5ARC6P6LQTV7RASIN4TWQFNAJC","target":"record","payload":{"canonical_record":{"source":{"id":"1809.04751","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-13T02:55:12Z","cross_cats_sorted":[],"title_canon_sha256":"265daa211d49330bb3446082712a2f6da3818e8dd09c38b3ec8978d00c14d403","abstract_canon_sha256":"bd926ed949cc27cd77745ca62cca764365d8ac72af256f5601d94aee069c11cb"},"schema_version":"1.0"},"canonical_sha256":"e8222f3fcb84ebf882486f276815a04898d681a0146b957efd6547cd4961ab7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:49.731943Z","signature_b64":"+4gnfK+5wA5Y2DFT5Uz3fN7OOHwO5uesIiExWFeVZ8/W4rck1IvMZYeSK2EsPNt3RoVbMPTm1Q3wBfaX5XOdCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8222f3fcb84ebf882486f276815a04898d681a0146b957efd6547cd4961ab7d","last_reissued_at":"2026-05-18T00:05:49.731369Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:49.731369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.04751","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":"2026-05-18T00:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K+0E3WI/ollwdyA/sWCVXpv28Y3W2ofBdQnmjjQNVgEqHOQrAkrNEj1bQ9C4HjWGKCMvBjXUtB8+C0z2P+IwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:01:11.880508Z"},"content_sha256":"c7c8ecff1a497065d577cfd41c90ae5f514af113d4210f5f58d1261755f7d9e7","schema_version":"1.0","event_id":"sha256:c7c8ecff1a497065d577cfd41c90ae5f514af113d4210f5f58d1261755f7d9e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5ARC6P6LQTV7RASIN4TWQFNAJC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-Throughput Calculations of Thermal Conductivity in Nanoporous Materials: The Case of Half-Heusler Compounds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexie M. Kolpak, David Broido, Giuseppe Romano, Jes\\'us Carrete","submitted_at":"2018-09-13T02:55:12Z","abstract_excerpt":"Achieving low thermal conductivity and good electrical properties is a crucial condition for thermal energy harvesting materials. Nanostructuring offers a very powerful tool to address both requirements: in nanostructured materials, boundaries preferentially scatter phonons compared to electrons. The search for low-thermal-conductivity nanostructures is typically limited to materials with simple crystal structures, such as silicon, because of the complexity arising from modeling branch- and wave vector- dependent nanoscale heat transport. Using the phonon mean-free-path (MFP) dependent Boltzma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04751","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":"2026-05-18T00:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YcARY8cS9zl+XG8Vg0BGDQLxMAKC1GHYBUQeLaRbi5lGK6Mj/9asi/jlg2JR2uL76iOB2pBVfzHjOzHnJ7cOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:01:11.880851Z"},"content_sha256":"9a03cefc84ec7c4390f7028d0f271f3ed64365d57097db61d0cde93153bb8563","schema_version":"1.0","event_id":"sha256:9a03cefc84ec7c4390f7028d0f271f3ed64365d57097db61d0cde93153bb8563"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5ARC6P6LQTV7RASIN4TWQFNAJC/bundle.json","state_url":"https://pith.science/pith/5ARC6P6LQTV7RASIN4TWQFNAJC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5ARC6P6LQTV7RASIN4TWQFNAJC/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":"2026-06-01T19:01:11Z","links":{"resolver":"https://pith.science/pith/5ARC6P6LQTV7RASIN4TWQFNAJC","bundle":"https://pith.science/pith/5ARC6P6LQTV7RASIN4TWQFNAJC/bundle.json","state":"https://pith.science/pith/5ARC6P6LQTV7RASIN4TWQFNAJC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5ARC6P6LQTV7RASIN4TWQFNAJC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5ARC6P6LQTV7RASIN4TWQFNAJC","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":"bd926ed949cc27cd77745ca62cca764365d8ac72af256f5601d94aee069c11cb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-13T02:55:12Z","title_canon_sha256":"265daa211d49330bb3446082712a2f6da3818e8dd09c38b3ec8978d00c14d403"},"schema_version":"1.0","source":{"id":"1809.04751","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04751","created_at":"2026-05-18T00:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04751v1","created_at":"2026-05-18T00:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04751","created_at":"2026-05-18T00:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"5ARC6P6LQTV7","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5ARC6P6LQTV7RASI","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5ARC6P6L","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:9a03cefc84ec7c4390f7028d0f271f3ed64365d57097db61d0cde93153bb8563","target":"graph","created_at":"2026-05-18T00:05:49Z","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":"Achieving low thermal conductivity and good electrical properties is a crucial condition for thermal energy harvesting materials. Nanostructuring offers a very powerful tool to address both requirements: in nanostructured materials, boundaries preferentially scatter phonons compared to electrons. The search for low-thermal-conductivity nanostructures is typically limited to materials with simple crystal structures, such as silicon, because of the complexity arising from modeling branch- and wave vector- dependent nanoscale heat transport. Using the phonon mean-free-path (MFP) dependent Boltzma","authors_text":"Alexie M. Kolpak, David Broido, Giuseppe Romano, Jes\\'us Carrete","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-13T02:55:12Z","title":"High-Throughput Calculations of Thermal Conductivity in Nanoporous Materials: The Case of Half-Heusler Compounds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04751","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:c7c8ecff1a497065d577cfd41c90ae5f514af113d4210f5f58d1261755f7d9e7","target":"record","created_at":"2026-05-18T00:05:49Z","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":"bd926ed949cc27cd77745ca62cca764365d8ac72af256f5601d94aee069c11cb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-13T02:55:12Z","title_canon_sha256":"265daa211d49330bb3446082712a2f6da3818e8dd09c38b3ec8978d00c14d403"},"schema_version":"1.0","source":{"id":"1809.04751","kind":"arxiv","version":1}},"canonical_sha256":"e8222f3fcb84ebf882486f276815a04898d681a0146b957efd6547cd4961ab7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8222f3fcb84ebf882486f276815a04898d681a0146b957efd6547cd4961ab7d","first_computed_at":"2026-05-18T00:05:49.731369Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:49.731369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+4gnfK+5wA5Y2DFT5Uz3fN7OOHwO5uesIiExWFeVZ8/W4rck1IvMZYeSK2EsPNt3RoVbMPTm1Q3wBfaX5XOdCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:49.731943Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.04751","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c7c8ecff1a497065d577cfd41c90ae5f514af113d4210f5f58d1261755f7d9e7","sha256:9a03cefc84ec7c4390f7028d0f271f3ed64365d57097db61d0cde93153bb8563"],"state_sha256":"24d7c3286158d6e589bf649f949d2304697f8d9f8c4d0f11090dd9c3c736834e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2HYkYkGkgz/zdPmqWRZoLVrL8tS2H1S1I/xjS5Q3KlPxdvW1X1oEfV/7ZlzrW4L2gk334K5V1gA6+iqvMOaOCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:01:11.883287Z","bundle_sha256":"98372fb63af22a3b983d5e8593a1b7ab4cc253aaba7f927168e39d4a01008eb8"}}