{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:R56BXKZDDGMNIUQYPE3FLMYITG","short_pith_number":"pith:R56BXKZD","canonical_record":{"source":{"id":"1308.5989","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-08-25T05:17:21Z","cross_cats_sorted":[],"title_canon_sha256":"6f5f29d31a6433b4971fb32b2fc4a915453056d13404c310a26029e7ee0fc4fa","abstract_canon_sha256":"9d6817d9549555e6f68239cbb68b6d4e4d98dc603e0498f0658ad2b78e95695e"},"schema_version":"1.0"},"canonical_sha256":"8f7c1bab231998d45218793655b30899af38b8d19770b1f6483e95678433fe4f","source":{"kind":"arxiv","id":"1308.5989","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.5989","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1308.5989v1","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.5989","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"R56BXKZDDGMN","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"R56BXKZDDGMNIUQY","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"R56BXKZD","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:R56BXKZDDGMNIUQYPE3FLMYITG","target":"record","payload":{"canonical_record":{"source":{"id":"1308.5989","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-08-25T05:17:21Z","cross_cats_sorted":[],"title_canon_sha256":"6f5f29d31a6433b4971fb32b2fc4a915453056d13404c310a26029e7ee0fc4fa","abstract_canon_sha256":"9d6817d9549555e6f68239cbb68b6d4e4d98dc603e0498f0658ad2b78e95695e"},"schema_version":"1.0"},"canonical_sha256":"8f7c1bab231998d45218793655b30899af38b8d19770b1f6483e95678433fe4f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:32.365833Z","signature_b64":"3j2a6ldn5d4JgLo+NAQjR+6/DP6LeBs3bhZ9znhNqwbiad2adPX4m2PzSjlZkQWMGV+xqus+upa46AevKCJMDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f7c1bab231998d45218793655b30899af38b8d19770b1f6483e95678433fe4f","last_reissued_at":"2026-05-18T02:50:32.365323Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:32.365323Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.5989","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":"2026-05-18T02:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5/TxHvcnVGXyhT9p1LfwvgMBCsDExJlJliyT+bKRwfcoZhoVPIX13Jtooe+BIQhujGBhtp9TLKKcbjqiCWsqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:52:09.911083Z"},"content_sha256":"ea289c9f2d9a335760ce2c59960a6c74480ee0949f345c25207c854c59dd6beb","schema_version":"1.0","event_id":"sha256:ea289c9f2d9a335760ce2c59960a6c74480ee0949f345c25207c854c59dd6beb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:R56BXKZDDGMNIUQYPE3FLMYITG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterizing thermal conduction in polycrystalline graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Yanlei Wang, Zhigong Song, Zhiping Xu","submitted_at":"2013-08-25T05:17:21Z","abstract_excerpt":"Thermal conduction was explored and discussed through a combined theoretical and simulation approach in this work. The thermal conductivity k of polycrystalline graphene was calculated by molecular dynamics simulations based on a hexagonal patch model in close consistence with microstructural characterization in experiments. The effects of grain size, alignment, and temperature were identified with discussion on the microscopic phonon scattering mechanisms. The effective thermal conductivity is found to increase with the grain size and decrease with the mismatch angle and dislocation density a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.5989","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":"2026-05-18T02:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"twL4k8fXhERvK1hzW5ny6vf6LyVUteFHsbIl3p9eZut5EqYQWwkHdRnJoz4FM+BJqRVfiNsogtSHR/ubf7vHCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:52:09.911691Z"},"content_sha256":"1a59d6b8c277dc9b1caef332edd5f4d675b4265c00b1d2117de5a9c92c3eba2b","schema_version":"1.0","event_id":"sha256:1a59d6b8c277dc9b1caef332edd5f4d675b4265c00b1d2117de5a9c92c3eba2b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R56BXKZDDGMNIUQYPE3FLMYITG/bundle.json","state_url":"https://pith.science/pith/R56BXKZDDGMNIUQYPE3FLMYITG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R56BXKZDDGMNIUQYPE3FLMYITG/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":"2026-06-07T16:52:09Z","links":{"resolver":"https://pith.science/pith/R56BXKZDDGMNIUQYPE3FLMYITG","bundle":"https://pith.science/pith/R56BXKZDDGMNIUQYPE3FLMYITG/bundle.json","state":"https://pith.science/pith/R56BXKZDDGMNIUQYPE3FLMYITG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R56BXKZDDGMNIUQYPE3FLMYITG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:R56BXKZDDGMNIUQYPE3FLMYITG","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":"9d6817d9549555e6f68239cbb68b6d4e4d98dc603e0498f0658ad2b78e95695e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-08-25T05:17:21Z","title_canon_sha256":"6f5f29d31a6433b4971fb32b2fc4a915453056d13404c310a26029e7ee0fc4fa"},"schema_version":"1.0","source":{"id":"1308.5989","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.5989","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1308.5989v1","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.5989","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"R56BXKZDDGMN","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"R56BXKZDDGMNIUQY","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"R56BXKZD","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:1a59d6b8c277dc9b1caef332edd5f4d675b4265c00b1d2117de5a9c92c3eba2b","target":"graph","created_at":"2026-05-18T02:50:32Z","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":"Thermal conduction was explored and discussed through a combined theoretical and simulation approach in this work. The thermal conductivity k of polycrystalline graphene was calculated by molecular dynamics simulations based on a hexagonal patch model in close consistence with microstructural characterization in experiments. The effects of grain size, alignment, and temperature were identified with discussion on the microscopic phonon scattering mechanisms. The effective thermal conductivity is found to increase with the grain size and decrease with the mismatch angle and dislocation density a","authors_text":"Yanlei Wang, Zhigong Song, Zhiping Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-08-25T05:17:21Z","title":"Characterizing thermal conduction in polycrystalline graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.5989","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:ea289c9f2d9a335760ce2c59960a6c74480ee0949f345c25207c854c59dd6beb","target":"record","created_at":"2026-05-18T02:50:32Z","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":"9d6817d9549555e6f68239cbb68b6d4e4d98dc603e0498f0658ad2b78e95695e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-08-25T05:17:21Z","title_canon_sha256":"6f5f29d31a6433b4971fb32b2fc4a915453056d13404c310a26029e7ee0fc4fa"},"schema_version":"1.0","source":{"id":"1308.5989","kind":"arxiv","version":1}},"canonical_sha256":"8f7c1bab231998d45218793655b30899af38b8d19770b1f6483e95678433fe4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f7c1bab231998d45218793655b30899af38b8d19770b1f6483e95678433fe4f","first_computed_at":"2026-05-18T02:50:32.365323Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:32.365323Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3j2a6ldn5d4JgLo+NAQjR+6/DP6LeBs3bhZ9znhNqwbiad2adPX4m2PzSjlZkQWMGV+xqus+upa46AevKCJMDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:32.365833Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.5989","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea289c9f2d9a335760ce2c59960a6c74480ee0949f345c25207c854c59dd6beb","sha256:1a59d6b8c277dc9b1caef332edd5f4d675b4265c00b1d2117de5a9c92c3eba2b"],"state_sha256":"812ee7debe6337e07c7a073c10ab0d092502016e9b82c8be3be815d5030c8e6b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jFnt0WKpydoa2FpTzk9y1a4KQ3C4avoMPENsLoI7XEZUAVPTW7YT5YaoCOyAnuYl6ISqKO1aYgpf3OjGvNEPBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T16:52:09.915406Z","bundle_sha256":"c0b2c9a9d791b19048bdfb915fd5518aae2e621777ab4439f7cc9c37e4887b37"}}