{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YOHXIB7S3CYFJ76WRNQZD5NYKZ","short_pith_number":"pith:YOHXIB7S","canonical_record":{"source":{"id":"1404.1261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-04-04T14:15:19Z","cross_cats_sorted":[],"title_canon_sha256":"8f71babc0ce553e939a582c8c646d8bbe9fec56d90ce023b5f3bad30c0ceb151","abstract_canon_sha256":"5a1a99882db622747171f2c94a960cdbbe510375e7e07335c42d7ce7f22592af"},"schema_version":"1.0"},"canonical_sha256":"c38f7407f2d8b054ffd68b6191f5b85663f387ded9ac7233b7c4657db434ecd5","source":{"kind":"arxiv","id":"1404.1261","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.1261","created_at":"2026-05-18T02:54:47Z"},{"alias_kind":"arxiv_version","alias_value":"1404.1261v1","created_at":"2026-05-18T02:54:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.1261","created_at":"2026-05-18T02:54:47Z"},{"alias_kind":"pith_short_12","alias_value":"YOHXIB7S3CYF","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YOHXIB7S3CYFJ76W","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YOHXIB7S","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YOHXIB7S3CYFJ76WRNQZD5NYKZ","target":"record","payload":{"canonical_record":{"source":{"id":"1404.1261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-04-04T14:15:19Z","cross_cats_sorted":[],"title_canon_sha256":"8f71babc0ce553e939a582c8c646d8bbe9fec56d90ce023b5f3bad30c0ceb151","abstract_canon_sha256":"5a1a99882db622747171f2c94a960cdbbe510375e7e07335c42d7ce7f22592af"},"schema_version":"1.0"},"canonical_sha256":"c38f7407f2d8b054ffd68b6191f5b85663f387ded9ac7233b7c4657db434ecd5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:54:47.877067Z","signature_b64":"CcgoKSBAxRIBlsLUPemb6TyWdDaCrz7b+wh1CswQGchv6vCdTt6N68H9CLsGOmK7Ks4bwKtzH/rmKWGZoopEAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c38f7407f2d8b054ffd68b6191f5b85663f387ded9ac7233b7c4657db434ecd5","last_reissued_at":"2026-05-18T02:54:47.876716Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:54:47.876716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.1261","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":"2026-05-18T02:54:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fPPQWoX245jEEl7/yexV18+IcMgQJBn1q+JvNhsmOwZk4JPB9NogTOm8bsldx3x7qyayz+TXSfhD3YE82zwyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:04:10.066294Z"},"content_sha256":"b889ddf8eeb222e4906633c912ea9e1e8bf6e090bbb7ce7e4d3c304a5ed67fdf","schema_version":"1.0","event_id":"sha256:b889ddf8eeb222e4906633c912ea9e1e8bf6e090bbb7ce7e4d3c304a5ed67fdf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YOHXIB7S3CYFJ76WRNQZD5NYKZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"When omnigeneity fails","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Felix I. Parra, Ivan Calvo, J. Arturo Alonso, Jose Luis Velasco","submitted_at":"2014-04-04T14:15:19Z","abstract_excerpt":"A generic non-symmetric magnetic field does not confine magnetized charged particles for long times due to secular magnetic drifts. Stellarator magnetic fields should be omnigeneous (that is, designed such that the secular drifts vanish), but perfect omnigeneity is technically impossible. There always are small deviations from omnigeneity that necessarily have large gradients. The amplification of the energy flux caused by a deviation of size $\\epsilon$ is calculated and it is shown that the scaling with $\\epsilon$ of the amplification factor can be as large as linear. In opposition to common "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.1261","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":"2026-05-18T02:54:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x59UcvnH4gZSIoZrkAFMggAK4mAzIDXDC1zqyFFoiCsUzkETjVsFs8HttGvGLYzOLEN0x77GryImlT5n/LoCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:04:10.066656Z"},"content_sha256":"e51f1cad90dd9adfea710a4a57fb1aa9c00168b85d4f4f981c0ddbf95ca85fe2","schema_version":"1.0","event_id":"sha256:e51f1cad90dd9adfea710a4a57fb1aa9c00168b85d4f4f981c0ddbf95ca85fe2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YOHXIB7S3CYFJ76WRNQZD5NYKZ/bundle.json","state_url":"https://pith.science/pith/YOHXIB7S3CYFJ76WRNQZD5NYKZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YOHXIB7S3CYFJ76WRNQZD5NYKZ/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":"2026-06-01T19:04:10Z","links":{"resolver":"https://pith.science/pith/YOHXIB7S3CYFJ76WRNQZD5NYKZ","bundle":"https://pith.science/pith/YOHXIB7S3CYFJ76WRNQZD5NYKZ/bundle.json","state":"https://pith.science/pith/YOHXIB7S3CYFJ76WRNQZD5NYKZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YOHXIB7S3CYFJ76WRNQZD5NYKZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YOHXIB7S3CYFJ76WRNQZD5NYKZ","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":"5a1a99882db622747171f2c94a960cdbbe510375e7e07335c42d7ce7f22592af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-04-04T14:15:19Z","title_canon_sha256":"8f71babc0ce553e939a582c8c646d8bbe9fec56d90ce023b5f3bad30c0ceb151"},"schema_version":"1.0","source":{"id":"1404.1261","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.1261","created_at":"2026-05-18T02:54:47Z"},{"alias_kind":"arxiv_version","alias_value":"1404.1261v1","created_at":"2026-05-18T02:54:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.1261","created_at":"2026-05-18T02:54:47Z"},{"alias_kind":"pith_short_12","alias_value":"YOHXIB7S3CYF","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YOHXIB7S3CYFJ76W","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YOHXIB7S","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:e51f1cad90dd9adfea710a4a57fb1aa9c00168b85d4f4f981c0ddbf95ca85fe2","target":"graph","created_at":"2026-05-18T02:54:47Z","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 generic non-symmetric magnetic field does not confine magnetized charged particles for long times due to secular magnetic drifts. Stellarator magnetic fields should be omnigeneous (that is, designed such that the secular drifts vanish), but perfect omnigeneity is technically impossible. There always are small deviations from omnigeneity that necessarily have large gradients. The amplification of the energy flux caused by a deviation of size $\\epsilon$ is calculated and it is shown that the scaling with $\\epsilon$ of the amplification factor can be as large as linear. In opposition to common ","authors_text":"Felix I. Parra, Ivan Calvo, J. Arturo Alonso, Jose Luis Velasco","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-04-04T14:15:19Z","title":"When omnigeneity fails"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.1261","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:b889ddf8eeb222e4906633c912ea9e1e8bf6e090bbb7ce7e4d3c304a5ed67fdf","target":"record","created_at":"2026-05-18T02:54:47Z","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":"5a1a99882db622747171f2c94a960cdbbe510375e7e07335c42d7ce7f22592af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-04-04T14:15:19Z","title_canon_sha256":"8f71babc0ce553e939a582c8c646d8bbe9fec56d90ce023b5f3bad30c0ceb151"},"schema_version":"1.0","source":{"id":"1404.1261","kind":"arxiv","version":1}},"canonical_sha256":"c38f7407f2d8b054ffd68b6191f5b85663f387ded9ac7233b7c4657db434ecd5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c38f7407f2d8b054ffd68b6191f5b85663f387ded9ac7233b7c4657db434ecd5","first_computed_at":"2026-05-18T02:54:47.876716Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:54:47.876716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CcgoKSBAxRIBlsLUPemb6TyWdDaCrz7b+wh1CswQGchv6vCdTt6N68H9CLsGOmK7Ks4bwKtzH/rmKWGZoopEAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:54:47.877067Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.1261","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b889ddf8eeb222e4906633c912ea9e1e8bf6e090bbb7ce7e4d3c304a5ed67fdf","sha256:e51f1cad90dd9adfea710a4a57fb1aa9c00168b85d4f4f981c0ddbf95ca85fe2"],"state_sha256":"e7bba1b0f286fa59c7169f45c2e00ec1652b59cde28643dc5b9f698f60d1e88a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4CTOBJdDEYnNxpffX1Lamxw7N9t5BTQSvocs6kG8+3VNQu4NgzlBywB7nG98QmxIQvvQ7GfulKuBSoGmBpnXAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:04:10.068569Z","bundle_sha256":"e03872d923743ab375a2d907c573368a6e0d3b8edb55217e80798d371ef52bc7"}}