{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LLKV6EWP2GRMORDX54P2AZMQI4","short_pith_number":"pith:LLKV6EWP","canonical_record":{"source":{"id":"1202.5350","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T00:42:12Z","cross_cats_sorted":[],"title_canon_sha256":"b50bf043ee2116fc7774b324e276e484effd7500dcddd73d281f7c1129a50419","abstract_canon_sha256":"73afec57d511162fb98577bc80ef5a4b34edec5a0b714a9a9e0ce56ffc82295f"},"schema_version":"1.0"},"canonical_sha256":"5ad55f12cfd1a2c74477ef1fa06590473c0ef9ab631b8182a2d7853243c11769","source":{"kind":"arxiv","id":"1202.5350","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5350","created_at":"2026-05-18T02:50:13Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5350v2","created_at":"2026-05-18T02:50:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5350","created_at":"2026-05-18T02:50:13Z"},{"alias_kind":"pith_short_12","alias_value":"LLKV6EWP2GRM","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LLKV6EWP2GRMORDX","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LLKV6EWP","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LLKV6EWP2GRMORDX54P2AZMQI4","target":"record","payload":{"canonical_record":{"source":{"id":"1202.5350","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T00:42:12Z","cross_cats_sorted":[],"title_canon_sha256":"b50bf043ee2116fc7774b324e276e484effd7500dcddd73d281f7c1129a50419","abstract_canon_sha256":"73afec57d511162fb98577bc80ef5a4b34edec5a0b714a9a9e0ce56ffc82295f"},"schema_version":"1.0"},"canonical_sha256":"5ad55f12cfd1a2c74477ef1fa06590473c0ef9ab631b8182a2d7853243c11769","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:13.705944Z","signature_b64":"ZrMqv6CO4XiDgQPMBlPxcbOfK1w7Rwut8hu7RbEdhv1hYxK55OvZlM9WRFwiy0BDKh/1Rq/aMwLzMymHx1qXCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ad55f12cfd1a2c74477ef1fa06590473c0ef9ab631b8182a2d7853243c11769","last_reissued_at":"2026-05-18T02:50:13.705201Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:13.705201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.5350","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":"2026-05-18T02:50:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i8va18HKz/E9WSxRoeBpvWP6X486+nmlnWCg5MUG+Ur3Q/y6X+WBeIRc910Nq5EdE2AcG3hfCfCmVT9/VmaqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:23:47.647760Z"},"content_sha256":"c6e2ff6745ca111e725f0e1d7eb50fee14dc6da13bdfd85134ad7dbd3945ca87","schema_version":"1.0","event_id":"sha256:c6e2ff6745ca111e725f0e1d7eb50fee14dc6da13bdfd85134ad7dbd3945ca87"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LLKV6EWP2GRMORDX54P2AZMQI4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal properties of charge noise sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Arsalan Pourkabirian, G\\\"oran Johansson, John Clarke, Martin V. Gustafsson, Per Delsing","submitted_at":"2012-02-24T00:42:12Z","abstract_excerpt":"Measurements of the temperature and bias dependence of Single Electron Transistors (SETs) in a dilution refrigerator show that charge noise increases linearly with refrigerator temperature above a voltage-dependent threshold temperature, and that its low temperature saturation is due to SET self-heating. We show further that the two-level fluctuators responsible for charge noise are in strong thermal contact with the electrons in the SET, which can be at a much higher temperature than the substrate. We suggest that the noise is caused by electrons tunneling between the SET metal and nearby pot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5350","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":"2026-05-18T02:50:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yp8ZO/Bl83kzKRGJdyFPJAiuF4uXJtnVbwwkcBjSn2DL1O0dc+gM0n9REbt9egrxVXsAOWg5K9zeMcHvDhoQAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:23:47.648411Z"},"content_sha256":"5aedce0956d6daee54e7f3696d742473ac3b049ccbad6f4fc956dd5733257eee","schema_version":"1.0","event_id":"sha256:5aedce0956d6daee54e7f3696d742473ac3b049ccbad6f4fc956dd5733257eee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LLKV6EWP2GRMORDX54P2AZMQI4/bundle.json","state_url":"https://pith.science/pith/LLKV6EWP2GRMORDX54P2AZMQI4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LLKV6EWP2GRMORDX54P2AZMQI4/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":"2026-05-26T07:23:47Z","links":{"resolver":"https://pith.science/pith/LLKV6EWP2GRMORDX54P2AZMQI4","bundle":"https://pith.science/pith/LLKV6EWP2GRMORDX54P2AZMQI4/bundle.json","state":"https://pith.science/pith/LLKV6EWP2GRMORDX54P2AZMQI4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LLKV6EWP2GRMORDX54P2AZMQI4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LLKV6EWP2GRMORDX54P2AZMQI4","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":"73afec57d511162fb98577bc80ef5a4b34edec5a0b714a9a9e0ce56ffc82295f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T00:42:12Z","title_canon_sha256":"b50bf043ee2116fc7774b324e276e484effd7500dcddd73d281f7c1129a50419"},"schema_version":"1.0","source":{"id":"1202.5350","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5350","created_at":"2026-05-18T02:50:13Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5350v2","created_at":"2026-05-18T02:50:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5350","created_at":"2026-05-18T02:50:13Z"},{"alias_kind":"pith_short_12","alias_value":"LLKV6EWP2GRM","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LLKV6EWP2GRMORDX","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LLKV6EWP","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:5aedce0956d6daee54e7f3696d742473ac3b049ccbad6f4fc956dd5733257eee","target":"graph","created_at":"2026-05-18T02:50:13Z","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":"Measurements of the temperature and bias dependence of Single Electron Transistors (SETs) in a dilution refrigerator show that charge noise increases linearly with refrigerator temperature above a voltage-dependent threshold temperature, and that its low temperature saturation is due to SET self-heating. We show further that the two-level fluctuators responsible for charge noise are in strong thermal contact with the electrons in the SET, which can be at a much higher temperature than the substrate. We suggest that the noise is caused by electrons tunneling between the SET metal and nearby pot","authors_text":"Arsalan Pourkabirian, G\\\"oran Johansson, John Clarke, Martin V. Gustafsson, Per Delsing","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T00:42:12Z","title":"Thermal properties of charge noise sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5350","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:c6e2ff6745ca111e725f0e1d7eb50fee14dc6da13bdfd85134ad7dbd3945ca87","target":"record","created_at":"2026-05-18T02:50:13Z","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":"73afec57d511162fb98577bc80ef5a4b34edec5a0b714a9a9e0ce56ffc82295f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T00:42:12Z","title_canon_sha256":"b50bf043ee2116fc7774b324e276e484effd7500dcddd73d281f7c1129a50419"},"schema_version":"1.0","source":{"id":"1202.5350","kind":"arxiv","version":2}},"canonical_sha256":"5ad55f12cfd1a2c74477ef1fa06590473c0ef9ab631b8182a2d7853243c11769","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ad55f12cfd1a2c74477ef1fa06590473c0ef9ab631b8182a2d7853243c11769","first_computed_at":"2026-05-18T02:50:13.705201Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:13.705201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZrMqv6CO4XiDgQPMBlPxcbOfK1w7Rwut8hu7RbEdhv1hYxK55OvZlM9WRFwiy0BDKh/1Rq/aMwLzMymHx1qXCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:13.705944Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5350","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6e2ff6745ca111e725f0e1d7eb50fee14dc6da13bdfd85134ad7dbd3945ca87","sha256:5aedce0956d6daee54e7f3696d742473ac3b049ccbad6f4fc956dd5733257eee"],"state_sha256":"96d4251587f1345f9d455ca86a280a4e6d625088a8c4f2be54820853e5b00755"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UF7VjOOFdLVNfDd/iwWJmJsNDjZz0eHveVRakkkEJGOxVKcouN0ZdWpYaHXM8yaQ1iEP5e/pYlq0/3XjrXsZCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:23:47.651333Z","bundle_sha256":"2a1156d69754bd0a98990b08a687f8ffc967aed57b3e58493a75e8bc8d58ac36"}}