{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:O5S6HAPJXMBVONOB3RJVT7NZUL","short_pith_number":"pith:O5S6HAPJ","canonical_record":{"source":{"id":"1205.5711","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-25T14:45:17Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f8e52f0ecad8920d84e15f2eaac3b385c7be3595b79f28a155af10d08893ad18","abstract_canon_sha256":"cbeade74a64bec4b39d6d0d9209cf783db818ffc91eaca2c5b7721d16191f682"},"schema_version":"1.0"},"canonical_sha256":"7765e381e9bb035735c1dc5359fdb9a2fab56dd746479cb9bb5393dd7a25381a","source":{"kind":"arxiv","id":"1205.5711","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.5711","created_at":"2026-05-18T01:57:17Z"},{"alias_kind":"arxiv_version","alias_value":"1205.5711v3","created_at":"2026-05-18T01:57:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.5711","created_at":"2026-05-18T01:57:17Z"},{"alias_kind":"pith_short_12","alias_value":"O5S6HAPJXMBV","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"O5S6HAPJXMBVONOB","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"O5S6HAPJ","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:O5S6HAPJXMBVONOB3RJVT7NZUL","target":"record","payload":{"canonical_record":{"source":{"id":"1205.5711","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-25T14:45:17Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f8e52f0ecad8920d84e15f2eaac3b385c7be3595b79f28a155af10d08893ad18","abstract_canon_sha256":"cbeade74a64bec4b39d6d0d9209cf783db818ffc91eaca2c5b7721d16191f682"},"schema_version":"1.0"},"canonical_sha256":"7765e381e9bb035735c1dc5359fdb9a2fab56dd746479cb9bb5393dd7a25381a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:17.255395Z","signature_b64":"uXGrLhoMhO9O5aaR5mgIsmUFrmb9OOuYt9EZjORwArHK1XU7cOugOV58aTQg1FoYRuykwLdEp1vIybWiS+lVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7765e381e9bb035735c1dc5359fdb9a2fab56dd746479cb9bb5393dd7a25381a","last_reissued_at":"2026-05-18T01:57:17.254721Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:17.254721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.5711","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aplYr1kxDBn1Mr8dz+WOzIyqMEwxUBsOmZi/zXo2zrQhzOcfktMVya0v/VnVtNNHwyZFwOVoVE2c9Thna3irCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:12:25.202983Z"},"content_sha256":"ba791297b4c8cf81a9d5575a269f64d9f7e2bd22355e6b38e0751560aeeb567e","schema_version":"1.0","event_id":"sha256:ba791297b4c8cf81a9d5575a269f64d9f7e2bd22355e6b38e0751560aeeb567e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:O5S6HAPJXMBVONOB3RJVT7NZUL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-temperature thermal conductivity in polycrystalline graphene","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. V. Kolesnikov, V. A. Osipov","submitted_at":"2012-05-25T14:45:17Z","abstract_excerpt":"The low-temperature thermal conductivity in polycrystalline graphene is theoretically studied. The contributions from three branches of acoustic phonons are calculated by taking into account scattering on sample borders, point defects and grain boundaries. Phonon scattering due to sample borders and grain boundaries is shown to result in a $T^{\\alpha}$-behaviour in the thermal conductivity where $\\alpha$ varies between 1 and 2. This behaviour is found to be more pronounced for nanosized grain boundaries.\n  PACS: 65.80.Ck, 81.05.ue, 73.43.Cd"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.5711","kind":"arxiv","version":3},"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":"2026-05-18T01:57:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FcoVNzhZlJdqW3VMBGdSRlHV3Hu8RIKXrKl+UlYehDXJqWJmoTo285X5nd0CEWL6OprpSpjyy/nv3eTr8RzgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:12:25.203727Z"},"content_sha256":"11bfa2c4776f7dfe0308542bffc052e265586c399b5c9fa68e5cfee4e263c24c","schema_version":"1.0","event_id":"sha256:11bfa2c4776f7dfe0308542bffc052e265586c399b5c9fa68e5cfee4e263c24c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O5S6HAPJXMBVONOB3RJVT7NZUL/bundle.json","state_url":"https://pith.science/pith/O5S6HAPJXMBVONOB3RJVT7NZUL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O5S6HAPJXMBVONOB3RJVT7NZUL/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":"2026-06-09T10:12:25Z","links":{"resolver":"https://pith.science/pith/O5S6HAPJXMBVONOB3RJVT7NZUL","bundle":"https://pith.science/pith/O5S6HAPJXMBVONOB3RJVT7NZUL/bundle.json","state":"https://pith.science/pith/O5S6HAPJXMBVONOB3RJVT7NZUL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O5S6HAPJXMBVONOB3RJVT7NZUL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:O5S6HAPJXMBVONOB3RJVT7NZUL","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":"cbeade74a64bec4b39d6d0d9209cf783db818ffc91eaca2c5b7721d16191f682","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-25T14:45:17Z","title_canon_sha256":"f8e52f0ecad8920d84e15f2eaac3b385c7be3595b79f28a155af10d08893ad18"},"schema_version":"1.0","source":{"id":"1205.5711","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.5711","created_at":"2026-05-18T01:57:17Z"},{"alias_kind":"arxiv_version","alias_value":"1205.5711v3","created_at":"2026-05-18T01:57:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.5711","created_at":"2026-05-18T01:57:17Z"},{"alias_kind":"pith_short_12","alias_value":"O5S6HAPJXMBV","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"O5S6HAPJXMBVONOB","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"O5S6HAPJ","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:11bfa2c4776f7dfe0308542bffc052e265586c399b5c9fa68e5cfee4e263c24c","target":"graph","created_at":"2026-05-18T01:57:17Z","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 low-temperature thermal conductivity in polycrystalline graphene is theoretically studied. The contributions from three branches of acoustic phonons are calculated by taking into account scattering on sample borders, point defects and grain boundaries. Phonon scattering due to sample borders and grain boundaries is shown to result in a $T^{\\alpha}$-behaviour in the thermal conductivity where $\\alpha$ varies between 1 and 2. This behaviour is found to be more pronounced for nanosized grain boundaries.\n  PACS: 65.80.Ck, 81.05.ue, 73.43.Cd","authors_text":"D. V. Kolesnikov, V. A. Osipov","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-25T14:45:17Z","title":"Low-temperature thermal conductivity in polycrystalline graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.5711","kind":"arxiv","version":3},"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:ba791297b4c8cf81a9d5575a269f64d9f7e2bd22355e6b38e0751560aeeb567e","target":"record","created_at":"2026-05-18T01:57:17Z","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":"cbeade74a64bec4b39d6d0d9209cf783db818ffc91eaca2c5b7721d16191f682","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-25T14:45:17Z","title_canon_sha256":"f8e52f0ecad8920d84e15f2eaac3b385c7be3595b79f28a155af10d08893ad18"},"schema_version":"1.0","source":{"id":"1205.5711","kind":"arxiv","version":3}},"canonical_sha256":"7765e381e9bb035735c1dc5359fdb9a2fab56dd746479cb9bb5393dd7a25381a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7765e381e9bb035735c1dc5359fdb9a2fab56dd746479cb9bb5393dd7a25381a","first_computed_at":"2026-05-18T01:57:17.254721Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:17.254721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uXGrLhoMhO9O5aaR5mgIsmUFrmb9OOuYt9EZjORwArHK1XU7cOugOV58aTQg1FoYRuykwLdEp1vIybWiS+lVAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:17.255395Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.5711","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba791297b4c8cf81a9d5575a269f64d9f7e2bd22355e6b38e0751560aeeb567e","sha256:11bfa2c4776f7dfe0308542bffc052e265586c399b5c9fa68e5cfee4e263c24c"],"state_sha256":"ec1af4d4e52de53ea4502691e917dbef505710bc0bb9d46ce3107490a2d138be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qreaIdzrZx07d+cF9p+WGreml16MyuY4iU8X7S5qKOCS724OJSvZ7DG/jkCYP5vt6I0nTCngSPnWnDDARUxzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T10:12:25.208183Z","bundle_sha256":"6169194ea624ec7eb50da4cde4af6779063a5398c5dd442c545ea6aa80f22e34"}}