{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:VZK5FHN3SHD4MDRPPJNG6JMSC6","short_pith_number":"pith:VZK5FHN3","canonical_record":{"source":{"id":"1012.4308","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2010-12-20T12:55:46Z","cross_cats_sorted":[],"title_canon_sha256":"a224e92d5a7764d1bf0f80b147ff60f2c3a9c683df50a4204778bcaaef858b2b","abstract_canon_sha256":"c723cbd6dd9659cbd116de31d93ca87c881be1924821d8cfcf668aa4adccb3f5"},"schema_version":"1.0"},"canonical_sha256":"ae55d29dbb91c7c60e2f7a5a6f259217aa5474f0b9f8b0a095dda14fa76d4559","source":{"kind":"arxiv","id":"1012.4308","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4308","created_at":"2026-05-18T04:32:55Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4308v1","created_at":"2026-05-18T04:32:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4308","created_at":"2026-05-18T04:32:55Z"},{"alias_kind":"pith_short_12","alias_value":"VZK5FHN3SHD4","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"VZK5FHN3SHD4MDRP","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"VZK5FHN3","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:VZK5FHN3SHD4MDRPPJNG6JMSC6","target":"record","payload":{"canonical_record":{"source":{"id":"1012.4308","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2010-12-20T12:55:46Z","cross_cats_sorted":[],"title_canon_sha256":"a224e92d5a7764d1bf0f80b147ff60f2c3a9c683df50a4204778bcaaef858b2b","abstract_canon_sha256":"c723cbd6dd9659cbd116de31d93ca87c881be1924821d8cfcf668aa4adccb3f5"},"schema_version":"1.0"},"canonical_sha256":"ae55d29dbb91c7c60e2f7a5a6f259217aa5474f0b9f8b0a095dda14fa76d4559","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:32:55.072192Z","signature_b64":"FifQFG3vHPHILxHic9bsHPXub5NUxF90gWWj9UvLRHmYIXzgTgHZ3eotp3wybRdtiB4RKnB00zv+iTW3uULUAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae55d29dbb91c7c60e2f7a5a6f259217aa5474f0b9f8b0a095dda14fa76d4559","last_reissued_at":"2026-05-18T04:32:55.071488Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:32:55.071488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.4308","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":"2026-05-18T04:32:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MSmsSqGfPUt+qnp3ATgA2mxOhPJJv1tQMan9ATVCRJUssT1544bpM3aDTY/GEVtpVWEXl6IMLqJBLfHDwGlZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:02:46.542582Z"},"content_sha256":"26fe4236e2e6d52df73e814ca5d780e75d7c4095b317e0e21ef33ca300475fae","schema_version":"1.0","event_id":"sha256:26fe4236e2e6d52df73e814ca5d780e75d7c4095b317e0e21ef33ca300475fae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:VZK5FHN3SHD4MDRPPJNG6JMSC6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impurity transport in ITG and TE mode dominated turbulence","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Andreas Skyman, Florian Merz, Frank Jenko, Hans Nordman, P\\\"ar Strand","submitted_at":"2010-12-20T12:55:46Z","abstract_excerpt":"In the present study, turbulent impurity transport in Deuterium tokamak plasmas, driven by Ion Temperature Gradient (ITG) and Trapped Electron (TE) modes, has been investigated using fluid and gyrokinetic models. The impurity diffusivity ($D_Z$) and convective velocity ($V_Z$) are calculated, and from these the zero-flux peaking factor ($PF_0$) is derived. This quantity expresses the impurity density gradient at which the convective and diffusive transport of impurities are exactly balanced. The sign of $PF_0$ is of special interest, as it determines whether the impurities are subject to an in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4308","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":"2026-05-18T04:32:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TwJ4YHnc/p2eCO1bfYzLx/Q/AY5uxmvwlg+jZDdwaeJTB6bSleYiHdRhTWiErbH2Exh5GRIV3K/0Qu0A99ZTCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:02:46.542925Z"},"content_sha256":"36b220488dd406860a4cd160965ce3d21447d6add89e8028da6a7b5c403943a5","schema_version":"1.0","event_id":"sha256:36b220488dd406860a4cd160965ce3d21447d6add89e8028da6a7b5c403943a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VZK5FHN3SHD4MDRPPJNG6JMSC6/bundle.json","state_url":"https://pith.science/pith/VZK5FHN3SHD4MDRPPJNG6JMSC6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VZK5FHN3SHD4MDRPPJNG6JMSC6/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":"2026-05-30T20:02:46Z","links":{"resolver":"https://pith.science/pith/VZK5FHN3SHD4MDRPPJNG6JMSC6","bundle":"https://pith.science/pith/VZK5FHN3SHD4MDRPPJNG6JMSC6/bundle.json","state":"https://pith.science/pith/VZK5FHN3SHD4MDRPPJNG6JMSC6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VZK5FHN3SHD4MDRPPJNG6JMSC6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:VZK5FHN3SHD4MDRPPJNG6JMSC6","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":"c723cbd6dd9659cbd116de31d93ca87c881be1924821d8cfcf668aa4adccb3f5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2010-12-20T12:55:46Z","title_canon_sha256":"a224e92d5a7764d1bf0f80b147ff60f2c3a9c683df50a4204778bcaaef858b2b"},"schema_version":"1.0","source":{"id":"1012.4308","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4308","created_at":"2026-05-18T04:32:55Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4308v1","created_at":"2026-05-18T04:32:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4308","created_at":"2026-05-18T04:32:55Z"},{"alias_kind":"pith_short_12","alias_value":"VZK5FHN3SHD4","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"VZK5FHN3SHD4MDRP","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"VZK5FHN3","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:36b220488dd406860a4cd160965ce3d21447d6add89e8028da6a7b5c403943a5","target":"graph","created_at":"2026-05-18T04:32:55Z","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":"In the present study, turbulent impurity transport in Deuterium tokamak plasmas, driven by Ion Temperature Gradient (ITG) and Trapped Electron (TE) modes, has been investigated using fluid and gyrokinetic models. The impurity diffusivity ($D_Z$) and convective velocity ($V_Z$) are calculated, and from these the zero-flux peaking factor ($PF_0$) is derived. This quantity expresses the impurity density gradient at which the convective and diffusive transport of impurities are exactly balanced. The sign of $PF_0$ is of special interest, as it determines whether the impurities are subject to an in","authors_text":"Andreas Skyman, Florian Merz, Frank Jenko, Hans Nordman, P\\\"ar Strand","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2010-12-20T12:55:46Z","title":"Impurity transport in ITG and TE mode dominated turbulence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4308","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":"sha256:26fe4236e2e6d52df73e814ca5d780e75d7c4095b317e0e21ef33ca300475fae","target":"record","created_at":"2026-05-18T04:32:55Z","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":"c723cbd6dd9659cbd116de31d93ca87c881be1924821d8cfcf668aa4adccb3f5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2010-12-20T12:55:46Z","title_canon_sha256":"a224e92d5a7764d1bf0f80b147ff60f2c3a9c683df50a4204778bcaaef858b2b"},"schema_version":"1.0","source":{"id":"1012.4308","kind":"arxiv","version":1}},"canonical_sha256":"ae55d29dbb91c7c60e2f7a5a6f259217aa5474f0b9f8b0a095dda14fa76d4559","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae55d29dbb91c7c60e2f7a5a6f259217aa5474f0b9f8b0a095dda14fa76d4559","first_computed_at":"2026-05-18T04:32:55.071488Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:32:55.071488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FifQFG3vHPHILxHic9bsHPXub5NUxF90gWWj9UvLRHmYIXzgTgHZ3eotp3wybRdtiB4RKnB00zv+iTW3uULUAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:32:55.072192Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.4308","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26fe4236e2e6d52df73e814ca5d780e75d7c4095b317e0e21ef33ca300475fae","sha256:36b220488dd406860a4cd160965ce3d21447d6add89e8028da6a7b5c403943a5"],"state_sha256":"e1c7ec9e17d81b235aaaa8da79d15a6771641c6e18c539361e8d45d90351ee8f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WH1sY+HeipYnECN+lJgl+KFqMzLUFVwZARSvE7gzBXI30esMDjlVPqeQeEPCxVhDYY2nkMHcOPCzTVo2PpRyBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T20:02:46.545094Z","bundle_sha256":"e628fe74c925a2f9ac8ed6809748da4f3006d01e1b950bf21de480d9cabd844f"}}