{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4FWRZLPF4KKODBEXCNMDMP3RFN","short_pith_number":"pith:4FWRZLPF","canonical_record":{"source":{"id":"1804.10424","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-04-27T10:13:42Z","cross_cats_sorted":[],"title_canon_sha256":"81c0cdf394614920bfbd7ac52ecd89274f14fdfd8827aa30ae0d79ed13d39dbc","abstract_canon_sha256":"7a2db7d0b03f2fe668ab52ebed01491d1e110be211ec81a16f83816ef0527641"},"schema_version":"1.0"},"canonical_sha256":"e16d1cade5e294e184971358363f712b41e112f9cf0eee6bf8b07b6e606fbeeb","source":{"kind":"arxiv","id":"1804.10424","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10424","created_at":"2026-05-18T00:04:58Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10424v1","created_at":"2026-05-18T00:04:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10424","created_at":"2026-05-18T00:04:58Z"},{"alias_kind":"pith_short_12","alias_value":"4FWRZLPF4KKO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4FWRZLPF4KKODBEX","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4FWRZLPF","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4FWRZLPF4KKODBEXCNMDMP3RFN","target":"record","payload":{"canonical_record":{"source":{"id":"1804.10424","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-04-27T10:13:42Z","cross_cats_sorted":[],"title_canon_sha256":"81c0cdf394614920bfbd7ac52ecd89274f14fdfd8827aa30ae0d79ed13d39dbc","abstract_canon_sha256":"7a2db7d0b03f2fe668ab52ebed01491d1e110be211ec81a16f83816ef0527641"},"schema_version":"1.0"},"canonical_sha256":"e16d1cade5e294e184971358363f712b41e112f9cf0eee6bf8b07b6e606fbeeb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:58.697012Z","signature_b64":"/c0yh5A9iXi8ww4FDEMwEtjBeF5EuYu5hGo8MLoYaqPfXW4doyVyExVxIpr/e4SblkAfj8w8LxKUPU3yo7sXCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e16d1cade5e294e184971358363f712b41e112f9cf0eee6bf8b07b6e606fbeeb","last_reissued_at":"2026-05-18T00:04:58.696544Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:58.696544Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.10424","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":"2026-05-18T00:04:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aA6xaBwB1nC1zuAUbTP6oWygv/HRZKSC28h8dsmtyzjjidUvea17xKAjbvv5keNsupbzGCbKCkdW1yRsA0mqAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:04:59.986720Z"},"content_sha256":"ede60da0a208b94c7a0b62ef9ae9fd19d4e341a929f3792b140ee3b3cc5bb310","schema_version":"1.0","event_id":"sha256:ede60da0a208b94c7a0b62ef9ae9fd19d4e341a929f3792b140ee3b3cc5bb310"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4FWRZLPF4KKODBEXCNMDMP3RFN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On-surface potential and radial electric field variations in electron root stellarator plasmas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"A. Moll\\'en, C. Slaby (TJ-II Team, D. Carralero, E. S\\'anchez, I. Calvo, J. A. Alonso, J. L. Velasco, J. M. Garc\\'ia-Rega\\~na, M. Landreman, R. Kleiber, T. Estrada, W7-X Team)","submitted_at":"2018-04-27T10:13:42Z","abstract_excerpt":"In the present work we report recent radial electric field measurements carried out with the Doppler reflectometry system in the TJ-II stellarator. The study focuses on the fact that, under some conditions, the radial electric field measured at different points over the same flux surface shows significantly different values. A numerical analysis is carried out considering the contribution arising from the radial dependence of $\\Phi_1$ as a possible correction term to the total radial electric field. Here $\\Phi_1$ is the neoclassical electrostatic potential variation over the surface. The compa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10424","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":"2026-05-18T00:04:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UaptnKHTDE20BVeTai5b80L7kYDrFAA2sreeA5urfgzFeQKRGcjcpm+LIPgOcHvz8HlEXoeLXUbdcCTYDHqFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:04:59.987238Z"},"content_sha256":"b0ac6659e941042aae31276c091929734ea443c236f57251fa6d63d38c1b37ae","schema_version":"1.0","event_id":"sha256:b0ac6659e941042aae31276c091929734ea443c236f57251fa6d63d38c1b37ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FWRZLPF4KKODBEXCNMDMP3RFN/bundle.json","state_url":"https://pith.science/pith/4FWRZLPF4KKODBEXCNMDMP3RFN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FWRZLPF4KKODBEXCNMDMP3RFN/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":"2026-06-01T01:04:59Z","links":{"resolver":"https://pith.science/pith/4FWRZLPF4KKODBEXCNMDMP3RFN","bundle":"https://pith.science/pith/4FWRZLPF4KKODBEXCNMDMP3RFN/bundle.json","state":"https://pith.science/pith/4FWRZLPF4KKODBEXCNMDMP3RFN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FWRZLPF4KKODBEXCNMDMP3RFN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4FWRZLPF4KKODBEXCNMDMP3RFN","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":"7a2db7d0b03f2fe668ab52ebed01491d1e110be211ec81a16f83816ef0527641","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-04-27T10:13:42Z","title_canon_sha256":"81c0cdf394614920bfbd7ac52ecd89274f14fdfd8827aa30ae0d79ed13d39dbc"},"schema_version":"1.0","source":{"id":"1804.10424","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10424","created_at":"2026-05-18T00:04:58Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10424v1","created_at":"2026-05-18T00:04:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10424","created_at":"2026-05-18T00:04:58Z"},{"alias_kind":"pith_short_12","alias_value":"4FWRZLPF4KKO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4FWRZLPF4KKODBEX","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4FWRZLPF","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:b0ac6659e941042aae31276c091929734ea443c236f57251fa6d63d38c1b37ae","target":"graph","created_at":"2026-05-18T00:04:58Z","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 work we report recent radial electric field measurements carried out with the Doppler reflectometry system in the TJ-II stellarator. The study focuses on the fact that, under some conditions, the radial electric field measured at different points over the same flux surface shows significantly different values. A numerical analysis is carried out considering the contribution arising from the radial dependence of $\\Phi_1$ as a possible correction term to the total radial electric field. Here $\\Phi_1$ is the neoclassical electrostatic potential variation over the surface. The compa","authors_text":"A. Moll\\'en, C. Slaby (TJ-II Team, D. Carralero, E. S\\'anchez, I. Calvo, J. A. Alonso, J. L. Velasco, J. M. Garc\\'ia-Rega\\~na, M. Landreman, R. Kleiber, T. Estrada, W7-X Team)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-04-27T10:13:42Z","title":"On-surface potential and radial electric field variations in electron root stellarator plasmas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10424","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:ede60da0a208b94c7a0b62ef9ae9fd19d4e341a929f3792b140ee3b3cc5bb310","target":"record","created_at":"2026-05-18T00:04:58Z","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":"7a2db7d0b03f2fe668ab52ebed01491d1e110be211ec81a16f83816ef0527641","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-04-27T10:13:42Z","title_canon_sha256":"81c0cdf394614920bfbd7ac52ecd89274f14fdfd8827aa30ae0d79ed13d39dbc"},"schema_version":"1.0","source":{"id":"1804.10424","kind":"arxiv","version":1}},"canonical_sha256":"e16d1cade5e294e184971358363f712b41e112f9cf0eee6bf8b07b6e606fbeeb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e16d1cade5e294e184971358363f712b41e112f9cf0eee6bf8b07b6e606fbeeb","first_computed_at":"2026-05-18T00:04:58.696544Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:58.696544Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/c0yh5A9iXi8ww4FDEMwEtjBeF5EuYu5hGo8MLoYaqPfXW4doyVyExVxIpr/e4SblkAfj8w8LxKUPU3yo7sXCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:58.697012Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.10424","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ede60da0a208b94c7a0b62ef9ae9fd19d4e341a929f3792b140ee3b3cc5bb310","sha256:b0ac6659e941042aae31276c091929734ea443c236f57251fa6d63d38c1b37ae"],"state_sha256":"1f0248b9899ca19385aa49b3fe3f6e0dd5d2e520c3137cdd888e8d09f5335097"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CMaLvQQzykTutNFgFlPctysux2oQo0gcG+nw1LXBrLFN1+mcaEcfYQIjTk7PAjY+c/lZA6mBqUdgz66ZEHc3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T01:04:59.989987Z","bundle_sha256":"c500281abf4f4036856c8c7de76fba0eb10921b12ae924d2c7f80079f7429043"}}