{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:OBMCBVD2ER633QBTYXNCGLHHZV","short_pith_number":"pith:OBMCBVD2","canonical_record":{"source":{"id":"cond-mat/0108142","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2001-08-08T18:59:47Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"9bac41aa3eb1ebae822fca7d206c853e3f1ed1c7c3cadf19ff027f7512e4d926","abstract_canon_sha256":"dd137e278b7563e44b44e9912d87db72d5c47f24748ceabce6c6daa432911307"},"schema_version":"1.0"},"canonical_sha256":"705820d47a247dbdc033c5da232ce7cd5982e9ccbc78f0ce7fcdf34e9e3cfe43","source":{"kind":"arxiv","id":"cond-mat/0108142","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0108142","created_at":"2026-05-18T01:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0108142v2","created_at":"2026-05-18T01:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0108142","created_at":"2026-05-18T01:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"OBMCBVD2ER63","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"OBMCBVD2ER633QBT","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"OBMCBVD2","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:OBMCBVD2ER633QBTYXNCGLHHZV","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0108142","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2001-08-08T18:59:47Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"9bac41aa3eb1ebae822fca7d206c853e3f1ed1c7c3cadf19ff027f7512e4d926","abstract_canon_sha256":"dd137e278b7563e44b44e9912d87db72d5c47f24748ceabce6c6daa432911307"},"schema_version":"1.0"},"canonical_sha256":"705820d47a247dbdc033c5da232ce7cd5982e9ccbc78f0ce7fcdf34e9e3cfe43","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:02.488016Z","signature_b64":"7xQ8QZB6Vj6SwToLZ4sTjEyZRX0wicSPKjFvGj+0/B2kepr3Th0zxfuPmnmFp9+bx3BgaTSjkTYfibM7G2UQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"705820d47a247dbdc033c5da232ce7cd5982e9ccbc78f0ce7fcdf34e9e3cfe43","last_reissued_at":"2026-05-18T01:07:02.487361Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:02.487361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0108142","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Lmv+BSfS0AtfoSbpEydNXWOzdCzTYGX2vp1UoUHUHGpt0lGPPlwnIn5EEDb84p/08uedlvvmwqFIPN0V9BBAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T00:11:05.772340Z"},"content_sha256":"e806ae6525a2ccf4ab44007b804ba7a1d3909d52f968d603353155a1e59b8dac","schema_version":"1.0","event_id":"sha256:e806ae6525a2ccf4ab44007b804ba7a1d3909d52f968d603353155a1e59b8dac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:OBMCBVD2ER633QBTYXNCGLHHZV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal Conductivity of Single Wall Carbon Nanotubes: Diameter and Annealing Dependence","license":"","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A.T. Johnson, J.E. Fischer, J. Hone, M.C. Llaguno","submitted_at":"2001-08-08T18:59:47Z","abstract_excerpt":"The thermal conductivity, k(T), of bulk single-wall carbon nanotubes (SWNT's) displays a linear temperature dependence at low T that has been attributed to 1D quantization of phonons. To explore this issue further, we have measured the k(T) of samples with varying average tube diameters. We observe linear k(T) up to higher temperatures in samples with smaller diameters, in agreement with a quantization picture. In addition, we have examined the effect of annealing on k(T). We observe an enhancement in k(T) for annealed samples which we attribute to healing of defects and removal of impurities."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0108142","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6wSXx2vylsC3aMBa6tovBSzZsY+VAhGgSsXGnB8VA98p34t2y+18HrxtolsJKuLxP5Pnw3I8NvCTSJGbeDajAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T00:11:05.772855Z"},"content_sha256":"65e3e4c64f9f2ee3d1440e69cc16f5ce5db1c68b40a518f88b07d04b7698c4f5","schema_version":"1.0","event_id":"sha256:65e3e4c64f9f2ee3d1440e69cc16f5ce5db1c68b40a518f88b07d04b7698c4f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OBMCBVD2ER633QBTYXNCGLHHZV/bundle.json","state_url":"https://pith.science/pith/OBMCBVD2ER633QBTYXNCGLHHZV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OBMCBVD2ER633QBTYXNCGLHHZV/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":"2026-05-24T00:11:05Z","links":{"resolver":"https://pith.science/pith/OBMCBVD2ER633QBTYXNCGLHHZV","bundle":"https://pith.science/pith/OBMCBVD2ER633QBTYXNCGLHHZV/bundle.json","state":"https://pith.science/pith/OBMCBVD2ER633QBTYXNCGLHHZV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OBMCBVD2ER633QBTYXNCGLHHZV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:OBMCBVD2ER633QBTYXNCGLHHZV","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":"dd137e278b7563e44b44e9912d87db72d5c47f24748ceabce6c6daa432911307","cross_cats_sorted":["cond-mat.mes-hall"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2001-08-08T18:59:47Z","title_canon_sha256":"9bac41aa3eb1ebae822fca7d206c853e3f1ed1c7c3cadf19ff027f7512e4d926"},"schema_version":"1.0","source":{"id":"cond-mat/0108142","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0108142","created_at":"2026-05-18T01:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0108142v2","created_at":"2026-05-18T01:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0108142","created_at":"2026-05-18T01:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"OBMCBVD2ER63","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"OBMCBVD2ER633QBT","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"OBMCBVD2","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:65e3e4c64f9f2ee3d1440e69cc16f5ce5db1c68b40a518f88b07d04b7698c4f5","target":"graph","created_at":"2026-05-18T01:07:02Z","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":"The thermal conductivity, k(T), of bulk single-wall carbon nanotubes (SWNT's) displays a linear temperature dependence at low T that has been attributed to 1D quantization of phonons. To explore this issue further, we have measured the k(T) of samples with varying average tube diameters. We observe linear k(T) up to higher temperatures in samples with smaller diameters, in agreement with a quantization picture. In addition, we have examined the effect of annealing on k(T). We observe an enhancement in k(T) for annealed samples which we attribute to healing of defects and removal of impurities.","authors_text":"A.T. Johnson, J.E. Fischer, J. Hone, M.C. Llaguno","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2001-08-08T18:59:47Z","title":"Thermal Conductivity of Single Wall Carbon Nanotubes: Diameter and Annealing Dependence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0108142","kind":"arxiv","version":2},"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:e806ae6525a2ccf4ab44007b804ba7a1d3909d52f968d603353155a1e59b8dac","target":"record","created_at":"2026-05-18T01:07:02Z","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":"dd137e278b7563e44b44e9912d87db72d5c47f24748ceabce6c6daa432911307","cross_cats_sorted":["cond-mat.mes-hall"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2001-08-08T18:59:47Z","title_canon_sha256":"9bac41aa3eb1ebae822fca7d206c853e3f1ed1c7c3cadf19ff027f7512e4d926"},"schema_version":"1.0","source":{"id":"cond-mat/0108142","kind":"arxiv","version":2}},"canonical_sha256":"705820d47a247dbdc033c5da232ce7cd5982e9ccbc78f0ce7fcdf34e9e3cfe43","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"705820d47a247dbdc033c5da232ce7cd5982e9ccbc78f0ce7fcdf34e9e3cfe43","first_computed_at":"2026-05-18T01:07:02.487361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:02.487361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7xQ8QZB6Vj6SwToLZ4sTjEyZRX0wicSPKjFvGj+0/B2kepr3Th0zxfuPmnmFp9+bx3BgaTSjkTYfibM7G2UQCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:02.488016Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0108142","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e806ae6525a2ccf4ab44007b804ba7a1d3909d52f968d603353155a1e59b8dac","sha256:65e3e4c64f9f2ee3d1440e69cc16f5ce5db1c68b40a518f88b07d04b7698c4f5"],"state_sha256":"7d98321a51e2fe2f8cb4a060a389b3911989fe8ccc43c749fbcf723570456807"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+jfMtCDqQOVM/zaaOg+XqNIInvEaQuORUvFLgGKXsHETovqrpNPT5AlqrdJbMAxOY1n2j5dhR38REVrHvmSjAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T00:11:05.776545Z","bundle_sha256":"6e4a032091038e093b459821744ec86dcc8b2906f86054b72fd89c649b60c129"}}