{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:T4AIWM6UFIEVZW5MRGDKEOUYCX","short_pith_number":"pith:T4AIWM6U","canonical_record":{"source":{"id":"2605.26472","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-05-26T02:29:47Z","cross_cats_sorted":[],"title_canon_sha256":"ad6c4b8d14f9427b4692dd4bdb5bc210da8052d2c8c4d647ee150ae5532c494e","abstract_canon_sha256":"b5792f04b2b12af7ed3dbe8b9dfdfa694f0375f58406cab7b0c6c954488f192c"},"schema_version":"1.0"},"canonical_sha256":"9f008b33d42a095cdbac8986a23a9815e5353af87c43cbabfa08f49104de909d","source":{"kind":"arxiv","id":"2605.26472","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.26472","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"arxiv_version","alias_value":"2605.26472v1","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.26472","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"pith_short_12","alias_value":"T4AIWM6UFIEV","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"pith_short_16","alias_value":"T4AIWM6UFIEVZW5M","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"pith_short_8","alias_value":"T4AIWM6U","created_at":"2026-05-27T01:05:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:T4AIWM6UFIEVZW5MRGDKEOUYCX","target":"record","payload":{"canonical_record":{"source":{"id":"2605.26472","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-05-26T02:29:47Z","cross_cats_sorted":[],"title_canon_sha256":"ad6c4b8d14f9427b4692dd4bdb5bc210da8052d2c8c4d647ee150ae5532c494e","abstract_canon_sha256":"b5792f04b2b12af7ed3dbe8b9dfdfa694f0375f58406cab7b0c6c954488f192c"},"schema_version":"1.0"},"canonical_sha256":"9f008b33d42a095cdbac8986a23a9815e5353af87c43cbabfa08f49104de909d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:05:19.856012Z","signature_b64":"3/xL9Evf52ot7F7MLfHXavyHFVktnkeD3Sz4Wc/FgthjDStDPjtDwHJlEDkC7TnKa/iaxD20Pn1ZknS8gDvbCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f008b33d42a095cdbac8986a23a9815e5353af87c43cbabfa08f49104de909d","last_reissued_at":"2026-05-27T01:05:19.855245Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:05:19.855245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.26472","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":"2026-05-27T01:05:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o9JwsLVhMTZ8KANLEak3RalMH74Yg0pNgQl9L9rnhinl26AosqWU6zQen2T8jX3LvZt1DCXFfDX2+4oeso9VAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T10:34:19.337846Z"},"content_sha256":"cb37b1e92262d5022907b09317618bb5ffee73a5f67262d2a1f90d9462dd17d1","schema_version":"1.0","event_id":"sha256:cb37b1e92262d5022907b09317618bb5ffee73a5f67262d2a1f90d9462dd17d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:T4AIWM6UFIEVZW5MRGDKEOUYCX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancement of Ponderomotive End Plugs with Low-Mass Dopants","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Elijah J. Kolmes, Ian E. Ochs, Nathaniel J. Fisch","submitted_at":"2026-05-26T02:29:47Z","abstract_excerpt":"During conventional confinement of a linear plasma using ponderomotive end plugs, a repulsive potential is created at the axial ends by employing a perpendicularly-polarized wave with a wave frequency greater than the ion gyrofrequency. This potential is then partially cancelled out by an ambipolar potential that arises to equilibrate electron and ion densities along the field line. However, recent work on centrifugally-confined plasmas has shown that the appropriate choice of a dopant in the end region can dramatically change the structure of the ambipolar potential. For the ponderomotive pot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.26472","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.26472/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-05-27T01:05:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZGcj6JcXlAG0Om726WMQZohHVj3GQylAZ39WoJJOo3sdRiik07vwNry1S7xx+PG7Ay8dLF8/8yvlf5MJ5xjNBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T10:34:19.338264Z"},"content_sha256":"e184a95726788ee08fe9fbe0e49561be533ab9904631f0969f997bfd62b3cd95","schema_version":"1.0","event_id":"sha256:e184a95726788ee08fe9fbe0e49561be533ab9904631f0969f997bfd62b3cd95"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T4AIWM6UFIEVZW5MRGDKEOUYCX/bundle.json","state_url":"https://pith.science/pith/T4AIWM6UFIEVZW5MRGDKEOUYCX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T4AIWM6UFIEVZW5MRGDKEOUYCX/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":"2026-06-21T10:34:19Z","links":{"resolver":"https://pith.science/pith/T4AIWM6UFIEVZW5MRGDKEOUYCX","bundle":"https://pith.science/pith/T4AIWM6UFIEVZW5MRGDKEOUYCX/bundle.json","state":"https://pith.science/pith/T4AIWM6UFIEVZW5MRGDKEOUYCX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T4AIWM6UFIEVZW5MRGDKEOUYCX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:T4AIWM6UFIEVZW5MRGDKEOUYCX","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":"b5792f04b2b12af7ed3dbe8b9dfdfa694f0375f58406cab7b0c6c954488f192c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-05-26T02:29:47Z","title_canon_sha256":"ad6c4b8d14f9427b4692dd4bdb5bc210da8052d2c8c4d647ee150ae5532c494e"},"schema_version":"1.0","source":{"id":"2605.26472","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.26472","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"arxiv_version","alias_value":"2605.26472v1","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.26472","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"pith_short_12","alias_value":"T4AIWM6UFIEV","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"pith_short_16","alias_value":"T4AIWM6UFIEVZW5M","created_at":"2026-05-27T01:05:19Z"},{"alias_kind":"pith_short_8","alias_value":"T4AIWM6U","created_at":"2026-05-27T01:05:19Z"}],"graph_snapshots":[{"event_id":"sha256:e184a95726788ee08fe9fbe0e49561be533ab9904631f0969f997bfd62b3cd95","target":"graph","created_at":"2026-05-27T01:05:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2605.26472/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"During conventional confinement of a linear plasma using ponderomotive end plugs, a repulsive potential is created at the axial ends by employing a perpendicularly-polarized wave with a wave frequency greater than the ion gyrofrequency. This potential is then partially cancelled out by an ambipolar potential that arises to equilibrate electron and ion densities along the field line. However, recent work on centrifugally-confined plasmas has shown that the appropriate choice of a dopant in the end region can dramatically change the structure of the ambipolar potential. For the ponderomotive pot","authors_text":"Elijah J. Kolmes, Ian E. Ochs, Nathaniel J. Fisch","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-05-26T02:29:47Z","title":"Enhancement of Ponderomotive End Plugs with Low-Mass Dopants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.26472","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:cb37b1e92262d5022907b09317618bb5ffee73a5f67262d2a1f90d9462dd17d1","target":"record","created_at":"2026-05-27T01:05:19Z","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":"b5792f04b2b12af7ed3dbe8b9dfdfa694f0375f58406cab7b0c6c954488f192c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-05-26T02:29:47Z","title_canon_sha256":"ad6c4b8d14f9427b4692dd4bdb5bc210da8052d2c8c4d647ee150ae5532c494e"},"schema_version":"1.0","source":{"id":"2605.26472","kind":"arxiv","version":1}},"canonical_sha256":"9f008b33d42a095cdbac8986a23a9815e5353af87c43cbabfa08f49104de909d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f008b33d42a095cdbac8986a23a9815e5353af87c43cbabfa08f49104de909d","first_computed_at":"2026-05-27T01:05:19.855245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-27T01:05:19.855245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3/xL9Evf52ot7F7MLfHXavyHFVktnkeD3Sz4Wc/FgthjDStDPjtDwHJlEDkC7TnKa/iaxD20Pn1ZknS8gDvbCw==","signature_status":"signed_v1","signed_at":"2026-05-27T01:05:19.856012Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.26472","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb37b1e92262d5022907b09317618bb5ffee73a5f67262d2a1f90d9462dd17d1","sha256:e184a95726788ee08fe9fbe0e49561be533ab9904631f0969f997bfd62b3cd95"],"state_sha256":"5b8ef30f4c31953366760b896c909d23576423a2e791f36b485ecb61daa5b75c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J9wDHpZbff0NpjrLA8atXCU4ate64Ny/Erluyc81Whdc/hg1Dj2FyvTd+XqvTPBBGgCexrnr0zWN8I9k89eKAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T10:34:19.340228Z","bundle_sha256":"ba769f567056ce296fae3a56d22accea4a2021ad5cdfdd76bbe4c7820ce78411"}}