{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PNOUFG5NF2QNUULOXKMSF3LUOM","short_pith_number":"pith:PNOUFG5N","canonical_record":{"source":{"id":"1502.03043","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-10T19:00:37Z","cross_cats_sorted":[],"title_canon_sha256":"471cdf4e9c5c97ab2e6f44390da36b281eb884611970ab6ecb3e57264267c63e","abstract_canon_sha256":"12c1bc65f23afdab85d2aadf3a1e82f45e2f06f48c40771e6e252ac46daab148"},"schema_version":"1.0"},"canonical_sha256":"7b5d429bad2ea0da516eba9922ed74732f97eb20649174972be50694d86c59e1","source":{"kind":"arxiv","id":"1502.03043","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03043","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03043v2","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03043","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"PNOUFG5NF2QN","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PNOUFG5NF2QNUULO","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PNOUFG5N","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PNOUFG5NF2QNUULOXKMSF3LUOM","target":"record","payload":{"canonical_record":{"source":{"id":"1502.03043","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-10T19:00:37Z","cross_cats_sorted":[],"title_canon_sha256":"471cdf4e9c5c97ab2e6f44390da36b281eb884611970ab6ecb3e57264267c63e","abstract_canon_sha256":"12c1bc65f23afdab85d2aadf3a1e82f45e2f06f48c40771e6e252ac46daab148"},"schema_version":"1.0"},"canonical_sha256":"7b5d429bad2ea0da516eba9922ed74732f97eb20649174972be50694d86c59e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:22.212702Z","signature_b64":"X54pHj3nq3hWCLHdvd+gQUbq114967uVPOpqcaYQfxw6zBQCm9EMnaFWt4cpGKaR87/it9RkRu70VKQPzgRGCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b5d429bad2ea0da516eba9922ed74732f97eb20649174972be50694d86c59e1","last_reissued_at":"2026-05-18T01:36:22.212245Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:22.212245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.03043","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":"2026-05-18T01:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DtWJT7jiBMj1VzdaPH6/9EFiuuB3bUEbClOt19L0fV0sq9PaeVz4Jr6HPHmWV9TF9Qyx5PjsruipCP1mnPH2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T17:47:16.453330Z"},"content_sha256":"42ecdd2bc772b22da89837552798656b9b2f11f22781e217e79b3b401736c38f","schema_version":"1.0","event_id":"sha256:42ecdd2bc772b22da89837552798656b9b2f11f22781e217e79b3b401736c38f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PNOUFG5NF2QNUULOXKMSF3LUOM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strength of the dominant scatterer in graphene on silicon oxide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Duy Le, Jyoti Katoch, Masa Ishigami, Rahul Rao, Simranjeet Singh, Talat S. Rahman","submitted_at":"2015-02-10T19:00:37Z","abstract_excerpt":"A large variability of carrier mobility of graphene-based field effect transistors hampers graphene science and technology. We determine the scattering strength of the dominant scatterer responsible for the variability of graphene-based transistors on silicon oxide. The strength of the scatterer is found to be more consistent with charged impurities than with resonant impurities."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03043","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":"2026-05-18T01:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nPpxgFsNJMbpbVd2Xzd0mv94mqgvChs0Ullu4J7GWmnHicuoZabvEHfxwgRktW+z5ELwHSXZMwHLJh4zqiO3Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T17:47:16.453676Z"},"content_sha256":"254155c57dc290b46b02b2c1ebd8e314717b359ae3f2b920bc3624300f96c6e4","schema_version":"1.0","event_id":"sha256:254155c57dc290b46b02b2c1ebd8e314717b359ae3f2b920bc3624300f96c6e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PNOUFG5NF2QNUULOXKMSF3LUOM/bundle.json","state_url":"https://pith.science/pith/PNOUFG5NF2QNUULOXKMSF3LUOM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PNOUFG5NF2QNUULOXKMSF3LUOM/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":"2026-06-02T17:47:16Z","links":{"resolver":"https://pith.science/pith/PNOUFG5NF2QNUULOXKMSF3LUOM","bundle":"https://pith.science/pith/PNOUFG5NF2QNUULOXKMSF3LUOM/bundle.json","state":"https://pith.science/pith/PNOUFG5NF2QNUULOXKMSF3LUOM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PNOUFG5NF2QNUULOXKMSF3LUOM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PNOUFG5NF2QNUULOXKMSF3LUOM","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":"12c1bc65f23afdab85d2aadf3a1e82f45e2f06f48c40771e6e252ac46daab148","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-10T19:00:37Z","title_canon_sha256":"471cdf4e9c5c97ab2e6f44390da36b281eb884611970ab6ecb3e57264267c63e"},"schema_version":"1.0","source":{"id":"1502.03043","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03043","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03043v2","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03043","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"PNOUFG5NF2QN","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PNOUFG5NF2QNUULO","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PNOUFG5N","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:254155c57dc290b46b02b2c1ebd8e314717b359ae3f2b920bc3624300f96c6e4","target":"graph","created_at":"2026-05-18T01:36:22Z","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":"A large variability of carrier mobility of graphene-based field effect transistors hampers graphene science and technology. We determine the scattering strength of the dominant scatterer responsible for the variability of graphene-based transistors on silicon oxide. The strength of the scatterer is found to be more consistent with charged impurities than with resonant impurities.","authors_text":"Duy Le, Jyoti Katoch, Masa Ishigami, Rahul Rao, Simranjeet Singh, Talat S. Rahman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-10T19:00:37Z","title":"Strength of the dominant scatterer in graphene on silicon oxide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03043","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":"sha256:42ecdd2bc772b22da89837552798656b9b2f11f22781e217e79b3b401736c38f","target":"record","created_at":"2026-05-18T01:36:22Z","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":"12c1bc65f23afdab85d2aadf3a1e82f45e2f06f48c40771e6e252ac46daab148","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-10T19:00:37Z","title_canon_sha256":"471cdf4e9c5c97ab2e6f44390da36b281eb884611970ab6ecb3e57264267c63e"},"schema_version":"1.0","source":{"id":"1502.03043","kind":"arxiv","version":2}},"canonical_sha256":"7b5d429bad2ea0da516eba9922ed74732f97eb20649174972be50694d86c59e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b5d429bad2ea0da516eba9922ed74732f97eb20649174972be50694d86c59e1","first_computed_at":"2026-05-18T01:36:22.212245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:22.212245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X54pHj3nq3hWCLHdvd+gQUbq114967uVPOpqcaYQfxw6zBQCm9EMnaFWt4cpGKaR87/it9RkRu70VKQPzgRGCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:22.212702Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.03043","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42ecdd2bc772b22da89837552798656b9b2f11f22781e217e79b3b401736c38f","sha256:254155c57dc290b46b02b2c1ebd8e314717b359ae3f2b920bc3624300f96c6e4"],"state_sha256":"984adcf844e289829f0a5f68f13d7d93de9af79011c10dae3ad2a88ab6909d35"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eGw39hi5ZKxRlIO6XcduzoD2r5XkcP5vvvtKeI2qSGqI9EE2SqxinQx/I7gVOdRVwDymoyIqpc5AhNSxeuL3CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T17:47:16.455500Z","bundle_sha256":"0cf28732df04ff515d315d1b201dd95e803d8e16ce25889a2b6a8acbc3fd96c3"}}