{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XZ25RHQ6UKUVTO47B5UFT3RVBN","short_pith_number":"pith:XZ25RHQ6","canonical_record":{"source":{"id":"1206.4252","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-19T16:10:32Z","cross_cats_sorted":[],"title_canon_sha256":"904f1fe3c33daea6635124314956912df716e7ee262ada61f72c511713748307","abstract_canon_sha256":"609ce9e53fac0b90e726538fe63143012470bda4216ea9f6da0b7775a24aac46"},"schema_version":"1.0"},"canonical_sha256":"be75d89e1ea2a959bb9f0f6859ee350b446e4a35276fb5b1cf464eb2eedaf315","source":{"kind":"arxiv","id":"1206.4252","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.4252","created_at":"2026-05-18T01:56:50Z"},{"alias_kind":"arxiv_version","alias_value":"1206.4252v1","created_at":"2026-05-18T01:56:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.4252","created_at":"2026-05-18T01:56:50Z"},{"alias_kind":"pith_short_12","alias_value":"XZ25RHQ6UKUV","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XZ25RHQ6UKUVTO47","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XZ25RHQ6","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XZ25RHQ6UKUVTO47B5UFT3RVBN","target":"record","payload":{"canonical_record":{"source":{"id":"1206.4252","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-19T16:10:32Z","cross_cats_sorted":[],"title_canon_sha256":"904f1fe3c33daea6635124314956912df716e7ee262ada61f72c511713748307","abstract_canon_sha256":"609ce9e53fac0b90e726538fe63143012470bda4216ea9f6da0b7775a24aac46"},"schema_version":"1.0"},"canonical_sha256":"be75d89e1ea2a959bb9f0f6859ee350b446e4a35276fb5b1cf464eb2eedaf315","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:50.859989Z","signature_b64":"LUILOfOY35qhDLofrKCGRR3hlLDOOtPQUN6yxvZ4q96HxoLwigre+xiizxubHwkGSXJUIbYKnmLHh4pSWUglDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be75d89e1ea2a959bb9f0f6859ee350b446e4a35276fb5b1cf464eb2eedaf315","last_reissued_at":"2026-05-18T01:56:50.859252Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:50.859252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.4252","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":"2026-05-18T01:56:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wM7w5NfDTJTCcasQdApRhbH72SncTlbIhkEWKF1aVnir1Eflk3iCmVyRoogwwzSBtdQ+TTgwcxRIOouaPD27Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:34:23.647611Z"},"content_sha256":"a12c249620b8319dc0427090d353d8e8aa3444e1145e37f05149bd76eb1d68bb","schema_version":"1.0","event_id":"sha256:a12c249620b8319dc0427090d353d8e8aa3444e1145e37f05149bd76eb1d68bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XZ25RHQ6UKUVTO47B5UFT3RVBN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anisotropic magnetoresistance of bulk carbon nanotube sheets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B. White, D. Lashmore, E. Cimpoiasu, G. A. Levin","submitted_at":"2012-06-19T16:10:32Z","abstract_excerpt":"We have measured the magnetoresistance of stretched sheets of carbon nanotubes in temperatures ranging from 2 K to 300 K and in magnetic fields up to 9 T, oriented either perpendicular or parallel to the plane of the sheets. The samples have been partially aligned by post-fabrication stretching, such that the direction of stretching was either parallel or perpendicular to the direction of applied electric current. We have observed large differences between the magnetoresistance measured under the two field orientations, most pronounced at the lowest temperatures, highest fields, and for the la"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.4252","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":"2026-05-18T01:56:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uVUlgfbisFwMSZNgdYvdsIO8n9gkmXVW4MotYNxOceY++2NdA4xFpzqjoTX939y6dKNUtiKzkCCi8t/AQxByBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:34:23.648231Z"},"content_sha256":"d54221811a7430dac7d227ea68ba15e0c133197e73949be6a46302938a02180a","schema_version":"1.0","event_id":"sha256:d54221811a7430dac7d227ea68ba15e0c133197e73949be6a46302938a02180a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XZ25RHQ6UKUVTO47B5UFT3RVBN/bundle.json","state_url":"https://pith.science/pith/XZ25RHQ6UKUVTO47B5UFT3RVBN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XZ25RHQ6UKUVTO47B5UFT3RVBN/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":"2026-05-28T15:34:23Z","links":{"resolver":"https://pith.science/pith/XZ25RHQ6UKUVTO47B5UFT3RVBN","bundle":"https://pith.science/pith/XZ25RHQ6UKUVTO47B5UFT3RVBN/bundle.json","state":"https://pith.science/pith/XZ25RHQ6UKUVTO47B5UFT3RVBN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XZ25RHQ6UKUVTO47B5UFT3RVBN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XZ25RHQ6UKUVTO47B5UFT3RVBN","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":"609ce9e53fac0b90e726538fe63143012470bda4216ea9f6da0b7775a24aac46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-19T16:10:32Z","title_canon_sha256":"904f1fe3c33daea6635124314956912df716e7ee262ada61f72c511713748307"},"schema_version":"1.0","source":{"id":"1206.4252","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.4252","created_at":"2026-05-18T01:56:50Z"},{"alias_kind":"arxiv_version","alias_value":"1206.4252v1","created_at":"2026-05-18T01:56:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.4252","created_at":"2026-05-18T01:56:50Z"},{"alias_kind":"pith_short_12","alias_value":"XZ25RHQ6UKUV","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XZ25RHQ6UKUVTO47","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XZ25RHQ6","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:d54221811a7430dac7d227ea68ba15e0c133197e73949be6a46302938a02180a","target":"graph","created_at":"2026-05-18T01:56:50Z","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 have measured the magnetoresistance of stretched sheets of carbon nanotubes in temperatures ranging from 2 K to 300 K and in magnetic fields up to 9 T, oriented either perpendicular or parallel to the plane of the sheets. The samples have been partially aligned by post-fabrication stretching, such that the direction of stretching was either parallel or perpendicular to the direction of applied electric current. We have observed large differences between the magnetoresistance measured under the two field orientations, most pronounced at the lowest temperatures, highest fields, and for the la","authors_text":"B. White, D. Lashmore, E. Cimpoiasu, G. A. Levin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-19T16:10:32Z","title":"Anisotropic magnetoresistance of bulk carbon nanotube sheets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.4252","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:a12c249620b8319dc0427090d353d8e8aa3444e1145e37f05149bd76eb1d68bb","target":"record","created_at":"2026-05-18T01:56:50Z","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":"609ce9e53fac0b90e726538fe63143012470bda4216ea9f6da0b7775a24aac46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-19T16:10:32Z","title_canon_sha256":"904f1fe3c33daea6635124314956912df716e7ee262ada61f72c511713748307"},"schema_version":"1.0","source":{"id":"1206.4252","kind":"arxiv","version":1}},"canonical_sha256":"be75d89e1ea2a959bb9f0f6859ee350b446e4a35276fb5b1cf464eb2eedaf315","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be75d89e1ea2a959bb9f0f6859ee350b446e4a35276fb5b1cf464eb2eedaf315","first_computed_at":"2026-05-18T01:56:50.859252Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:50.859252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LUILOfOY35qhDLofrKCGRR3hlLDOOtPQUN6yxvZ4q96HxoLwigre+xiizxubHwkGSXJUIbYKnmLHh4pSWUglDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:50.859989Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.4252","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a12c249620b8319dc0427090d353d8e8aa3444e1145e37f05149bd76eb1d68bb","sha256:d54221811a7430dac7d227ea68ba15e0c133197e73949be6a46302938a02180a"],"state_sha256":"f5d2794500ef9c0f3e4e262b51f1a76998245d61e473b318affa63bc22d96a5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pfl+oZpFcOK8+bPOL+t0A+hx+iWlTw+A0h5DM5x3C1PQRzf7tsXeYTRtEO6cFaNOydKC8Qayk8k3KXMDfWBYBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T15:34:23.651824Z","bundle_sha256":"cd3e515d76810d3913c63987d9c8292dda02a461c03b6d7be0ecdf75fa4d296c"}}