{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:FTC2NIIWWUEXP7E3NH2LXQSIOP","short_pith_number":"pith:FTC2NIIW","canonical_record":{"source":{"id":"2201.02969","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-01-09T09:35:42Z","cross_cats_sorted":["physics.acc-ph"],"title_canon_sha256":"45eae2da977be73a148b80c1806c665bae7a6099e8742434888b6affc357f593","abstract_canon_sha256":"eed7b80f2cf0c431abf823d1e418c8f3013dd8348a5ae7f4e6d2092313494095"},"schema_version":"1.0"},"canonical_sha256":"2cc5a6a116b50977fc9b69f4bbc24873dac1b42c47134375d990e9cef8274ea7","source":{"kind":"arxiv","id":"2201.02969","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.02969","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"arxiv_version","alias_value":"2201.02969v1","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.02969","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"pith_short_12","alias_value":"FTC2NIIWWUEX","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"pith_short_16","alias_value":"FTC2NIIWWUEXP7E3","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"pith_short_8","alias_value":"FTC2NIIW","created_at":"2026-07-05T04:57:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:FTC2NIIWWUEXP7E3NH2LXQSIOP","target":"record","payload":{"canonical_record":{"source":{"id":"2201.02969","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-01-09T09:35:42Z","cross_cats_sorted":["physics.acc-ph"],"title_canon_sha256":"45eae2da977be73a148b80c1806c665bae7a6099e8742434888b6affc357f593","abstract_canon_sha256":"eed7b80f2cf0c431abf823d1e418c8f3013dd8348a5ae7f4e6d2092313494095"},"schema_version":"1.0"},"canonical_sha256":"2cc5a6a116b50977fc9b69f4bbc24873dac1b42c47134375d990e9cef8274ea7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:57:03.277204Z","signature_b64":"K6NAWkjB+qJQvrrdFQltfWYNzojd3rLPZFJ4MvYwL8LvI5ZE12/nX+2oS7BcO9RzSDwZO3K025mn0rSRtlq+CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cc5a6a116b50977fc9b69f4bbc24873dac1b42c47134375d990e9cef8274ea7","last_reissued_at":"2026-07-05T04:57:03.276741Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:57:03.276741Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.02969","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":"2026-07-05T04:57:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GM+sJms6EtFwxPaVQxKyCN4/16BYKw75ZnzuBKyJ4L4lgCnIwB8aDKDEFu51klbhKRpCT/r3XwYo+RQ7WddWAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T13:44:57.938173Z"},"content_sha256":"369b1a5826139e9b66c98883de3be56038c9776746d908d8d7358f7f80f00461","schema_version":"1.0","event_id":"sha256:369b1a5826139e9b66c98883de3be56038c9776746d908d8d7358f7f80f00461"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:FTC2NIIWWUEXP7E3NH2LXQSIOP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Control of electron beam polarization in the bubble regime of laser-wakefield acceleration","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.acc-ph"],"primary_cat":"physics.plasm-ph","authors_text":"H. C. Fan, J. F. Qu, M. B\\\"uscher, M. Chen, P. Gibbon, Q. Kong, Q. Yu, S. Kawata, S. M. Weng, X. F. Li, X. Y. Liu, Z. M. Sheng","submitted_at":"2022-01-09T09:35:42Z","abstract_excerpt":"Electron beam polarization in the bubble regime of the interaction between a high-intensity laser and a longitudinally pre-polarized plasma is investigated by means of the Thomas-Bargmann-Michel-Telegdi equation. Using a test-particle model, the dependence of the accelerated electron polarization on the bubble geometry is analyzed in detail. Tracking the polarization dynamics of individual electrons reveals that although the spin direction changes during both the self-injection process and acceleration phase, the former has the biggest impact. For nearly spherical bubbles, the polarization of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.02969","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/2201.02969/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":"2026-07-05T04:57:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XUlLrASl45eP/+5vPB0lcxBrg2gq4ZG9l/AqDM16SwL1sSj1t+V4Ff10aUa3VdaOfVHCcPkiSwIFWLcAfOI3Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T13:44:57.938569Z"},"content_sha256":"e8b5090e25ad924f4dd97486d1d84dbe55d6505b8248bfb10cb858c3fe8f7919","schema_version":"1.0","event_id":"sha256:e8b5090e25ad924f4dd97486d1d84dbe55d6505b8248bfb10cb858c3fe8f7919"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FTC2NIIWWUEXP7E3NH2LXQSIOP/bundle.json","state_url":"https://pith.science/pith/FTC2NIIWWUEXP7E3NH2LXQSIOP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FTC2NIIWWUEXP7E3NH2LXQSIOP/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":"2026-07-10T13:44:57Z","links":{"resolver":"https://pith.science/pith/FTC2NIIWWUEXP7E3NH2LXQSIOP","bundle":"https://pith.science/pith/FTC2NIIWWUEXP7E3NH2LXQSIOP/bundle.json","state":"https://pith.science/pith/FTC2NIIWWUEXP7E3NH2LXQSIOP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FTC2NIIWWUEXP7E3NH2LXQSIOP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:FTC2NIIWWUEXP7E3NH2LXQSIOP","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":"eed7b80f2cf0c431abf823d1e418c8f3013dd8348a5ae7f4e6d2092313494095","cross_cats_sorted":["physics.acc-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-01-09T09:35:42Z","title_canon_sha256":"45eae2da977be73a148b80c1806c665bae7a6099e8742434888b6affc357f593"},"schema_version":"1.0","source":{"id":"2201.02969","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.02969","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"arxiv_version","alias_value":"2201.02969v1","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.02969","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"pith_short_12","alias_value":"FTC2NIIWWUEX","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"pith_short_16","alias_value":"FTC2NIIWWUEXP7E3","created_at":"2026-07-05T04:57:03Z"},{"alias_kind":"pith_short_8","alias_value":"FTC2NIIW","created_at":"2026-07-05T04:57:03Z"}],"graph_snapshots":[{"event_id":"sha256:e8b5090e25ad924f4dd97486d1d84dbe55d6505b8248bfb10cb858c3fe8f7919","target":"graph","created_at":"2026-07-05T04:57:03Z","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/2201.02969/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Electron beam polarization in the bubble regime of the interaction between a high-intensity laser and a longitudinally pre-polarized plasma is investigated by means of the Thomas-Bargmann-Michel-Telegdi equation. Using a test-particle model, the dependence of the accelerated electron polarization on the bubble geometry is analyzed in detail. Tracking the polarization dynamics of individual electrons reveals that although the spin direction changes during both the self-injection process and acceleration phase, the former has the biggest impact. For nearly spherical bubbles, the polarization of ","authors_text":"H. C. Fan, J. F. Qu, M. B\\\"uscher, M. Chen, P. Gibbon, Q. Kong, Q. Yu, S. Kawata, S. M. Weng, X. F. Li, X. Y. Liu, Z. M. Sheng","cross_cats":["physics.acc-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-01-09T09:35:42Z","title":"Control of electron beam polarization in the bubble regime of laser-wakefield acceleration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.02969","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":"sha256:369b1a5826139e9b66c98883de3be56038c9776746d908d8d7358f7f80f00461","target":"record","created_at":"2026-07-05T04:57:03Z","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":"eed7b80f2cf0c431abf823d1e418c8f3013dd8348a5ae7f4e6d2092313494095","cross_cats_sorted":["physics.acc-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-01-09T09:35:42Z","title_canon_sha256":"45eae2da977be73a148b80c1806c665bae7a6099e8742434888b6affc357f593"},"schema_version":"1.0","source":{"id":"2201.02969","kind":"arxiv","version":1}},"canonical_sha256":"2cc5a6a116b50977fc9b69f4bbc24873dac1b42c47134375d990e9cef8274ea7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2cc5a6a116b50977fc9b69f4bbc24873dac1b42c47134375d990e9cef8274ea7","first_computed_at":"2026-07-05T04:57:03.276741Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:57:03.276741Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K6NAWkjB+qJQvrrdFQltfWYNzojd3rLPZFJ4MvYwL8LvI5ZE12/nX+2oS7BcO9RzSDwZO3K025mn0rSRtlq+CA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:57:03.277204Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.02969","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:369b1a5826139e9b66c98883de3be56038c9776746d908d8d7358f7f80f00461","sha256:e8b5090e25ad924f4dd97486d1d84dbe55d6505b8248bfb10cb858c3fe8f7919"],"state_sha256":"80a92bcf5a24365233e8b6dca4882e6a5f196c5754ed01a5cfb8b40fef8c7dcf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"75/ysea0pNcoxgKjnPwqwEz+sgeWwgYng4S3THamNfkZ99Hzz6QhiSoXQS/bF4j3JjhoRW0MZlpF1mgIps76Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T13:44:57.940694Z","bundle_sha256":"121d1f6a5038207d2a54d075c673014b06d2c6b263da9dbb7ca741f1cb311734"}}