{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:MY6SGMJQGNWOY64X6DDM6L2CZS","short_pith_number":"pith:MY6SGMJQ","canonical_record":{"source":{"id":"1202.2952","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-14T07:12:01Z","cross_cats_sorted":[],"title_canon_sha256":"1b6cf57b99573c183d1dd2d764836ff13bf393292233ebe466cb0eeb8252ed65","abstract_canon_sha256":"1164c461f9c2a1e507219a926bdb5e4e855305df60571a53ee30fefc98485e7d"},"schema_version":"1.0"},"canonical_sha256":"663d233130336cec7b97f0c6cf2f42cc8d5c6327c8cbe0d7dc5a46409691cdaa","source":{"kind":"arxiv","id":"1202.2952","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2952","created_at":"2026-05-18T03:48:23Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2952v3","created_at":"2026-05-18T03:48:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2952","created_at":"2026-05-18T03:48:23Z"},{"alias_kind":"pith_short_12","alias_value":"MY6SGMJQGNWO","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MY6SGMJQGNWOY64X","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MY6SGMJQ","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:MY6SGMJQGNWOY64X6DDM6L2CZS","target":"record","payload":{"canonical_record":{"source":{"id":"1202.2952","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-14T07:12:01Z","cross_cats_sorted":[],"title_canon_sha256":"1b6cf57b99573c183d1dd2d764836ff13bf393292233ebe466cb0eeb8252ed65","abstract_canon_sha256":"1164c461f9c2a1e507219a926bdb5e4e855305df60571a53ee30fefc98485e7d"},"schema_version":"1.0"},"canonical_sha256":"663d233130336cec7b97f0c6cf2f42cc8d5c6327c8cbe0d7dc5a46409691cdaa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:23.247172Z","signature_b64":"4rsfHs5TmXWvRnWzecbc84d8d8WBB9/P2tkczbbDj65/ZCI7A7NLIXEYh7/zlPNvnjqVHNbUjXjYAmGs9xyZDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"663d233130336cec7b97f0c6cf2f42cc8d5c6327c8cbe0d7dc5a46409691cdaa","last_reissued_at":"2026-05-18T03:48:23.246405Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:23.246405Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.2952","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":"2026-05-18T03:48:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E7kP+loIzJbxfUoP8pxfA1EsRHKxsppTItNB9DFtnQdCOoYX7LG+K6WNGUpKEbV/4V+dCUeem7zriITpAL6JAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:21:12.308044Z"},"content_sha256":"9da5600e6533c9a01020ef0e4fd410ce6a546f4bbbfba2a86f2943d29adacb90","schema_version":"1.0","event_id":"sha256:9da5600e6533c9a01020ef0e4fd410ce6a546f4bbbfba2a86f2943d29adacb90"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:MY6SGMJQGNWOY64X6DDM6L2CZS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Influence of e-e scattering on the temperature dependence of the resistance of a classical ballistic point contact in a two-dimensional electron system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"G. Biasiol, J. P. Kotthaus, L. Sorba, M. Yu. Melnikov, V. Pellegrini, V. S. Khrapai","submitted_at":"2012-02-14T07:12:01Z","abstract_excerpt":"We experimentally investigate the temperature (T) dependence of the resistance of a classical ballistic point contact (PC) in a two-dimensional electron system (2DES). The split-gate PC is realized in a high-quality AlGaAs/GaAs heterostructure. The PC resistance is found to drop by more than 10% as T is raised from 0.5 K to 4.2 K. In the absence of a magnetic field, the T dependence is roughly linear below 2 K and tends to saturate at higher T. Perpendicular magnetic fields on the order of a few 10 mT suppress the T-dependent contribution dR. This effect is more pronounced at lower temperature"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2952","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":"2026-05-18T03:48:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QKT6ISBnOCsGGp2pWhKpX+/xnXQ3oRCs7CLAIax/k453WEBCAvsKyTmGtWXt7SpHOtMLeayQbXUiildtcGNPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:21:12.308691Z"},"content_sha256":"566da04de8c9c08f1ab670afef4abfbaa456f740d8edcb73c498dfae9c90caa4","schema_version":"1.0","event_id":"sha256:566da04de8c9c08f1ab670afef4abfbaa456f740d8edcb73c498dfae9c90caa4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MY6SGMJQGNWOY64X6DDM6L2CZS/bundle.json","state_url":"https://pith.science/pith/MY6SGMJQGNWOY64X6DDM6L2CZS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MY6SGMJQGNWOY64X6DDM6L2CZS/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":"2026-06-07T06:21:12Z","links":{"resolver":"https://pith.science/pith/MY6SGMJQGNWOY64X6DDM6L2CZS","bundle":"https://pith.science/pith/MY6SGMJQGNWOY64X6DDM6L2CZS/bundle.json","state":"https://pith.science/pith/MY6SGMJQGNWOY64X6DDM6L2CZS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MY6SGMJQGNWOY64X6DDM6L2CZS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MY6SGMJQGNWOY64X6DDM6L2CZS","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":"1164c461f9c2a1e507219a926bdb5e4e855305df60571a53ee30fefc98485e7d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-14T07:12:01Z","title_canon_sha256":"1b6cf57b99573c183d1dd2d764836ff13bf393292233ebe466cb0eeb8252ed65"},"schema_version":"1.0","source":{"id":"1202.2952","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2952","created_at":"2026-05-18T03:48:23Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2952v3","created_at":"2026-05-18T03:48:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2952","created_at":"2026-05-18T03:48:23Z"},{"alias_kind":"pith_short_12","alias_value":"MY6SGMJQGNWO","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MY6SGMJQGNWOY64X","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MY6SGMJQ","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:566da04de8c9c08f1ab670afef4abfbaa456f740d8edcb73c498dfae9c90caa4","target":"graph","created_at":"2026-05-18T03:48:23Z","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 experimentally investigate the temperature (T) dependence of the resistance of a classical ballistic point contact (PC) in a two-dimensional electron system (2DES). The split-gate PC is realized in a high-quality AlGaAs/GaAs heterostructure. The PC resistance is found to drop by more than 10% as T is raised from 0.5 K to 4.2 K. In the absence of a magnetic field, the T dependence is roughly linear below 2 K and tends to saturate at higher T. Perpendicular magnetic fields on the order of a few 10 mT suppress the T-dependent contribution dR. This effect is more pronounced at lower temperature","authors_text":"G. Biasiol, J. P. Kotthaus, L. Sorba, M. Yu. Melnikov, V. Pellegrini, V. S. Khrapai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-14T07:12:01Z","title":"Influence of e-e scattering on the temperature dependence of the resistance of a classical ballistic point contact in a two-dimensional electron system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2952","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":"sha256:9da5600e6533c9a01020ef0e4fd410ce6a546f4bbbfba2a86f2943d29adacb90","target":"record","created_at":"2026-05-18T03:48:23Z","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":"1164c461f9c2a1e507219a926bdb5e4e855305df60571a53ee30fefc98485e7d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-14T07:12:01Z","title_canon_sha256":"1b6cf57b99573c183d1dd2d764836ff13bf393292233ebe466cb0eeb8252ed65"},"schema_version":"1.0","source":{"id":"1202.2952","kind":"arxiv","version":3}},"canonical_sha256":"663d233130336cec7b97f0c6cf2f42cc8d5c6327c8cbe0d7dc5a46409691cdaa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"663d233130336cec7b97f0c6cf2f42cc8d5c6327c8cbe0d7dc5a46409691cdaa","first_computed_at":"2026-05-18T03:48:23.246405Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:23.246405Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4rsfHs5TmXWvRnWzecbc84d8d8WBB9/P2tkczbbDj65/ZCI7A7NLIXEYh7/zlPNvnjqVHNbUjXjYAmGs9xyZDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:23.247172Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.2952","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9da5600e6533c9a01020ef0e4fd410ce6a546f4bbbfba2a86f2943d29adacb90","sha256:566da04de8c9c08f1ab670afef4abfbaa456f740d8edcb73c498dfae9c90caa4"],"state_sha256":"64cedcc3a52baf4dad8b640f9ca12de28d4da77485573a36938d05e01a7636f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HRD4M4/0P9NV14gtSAG4ziLnxpmgHIByDuLzAWz/gVsGEE/LW//NicLNUHIVe630CycjEa5YBFx5rGk6mXRbAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T06:21:12.312124Z","bundle_sha256":"4febcd3d6b66461daab687571a045034a0006b3b7e4f9ecbf14afb62805feaab"}}