{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:QALFWXPQK4LMOJZ7VHDUAWST2R","short_pith_number":"pith:QALFWXPQ","canonical_record":{"source":{"id":"1601.07226","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-01-26T23:45:03Z","cross_cats_sorted":[],"title_canon_sha256":"db66c34973826bf69069997196038df7fb950718e59a527626d5b55074fc419f","abstract_canon_sha256":"3a7f07f506041b0e86f1896f4700d43db65d719b369e39150327b9a7fbdc61fc"},"schema_version":"1.0"},"canonical_sha256":"80165b5df05716c7273fa9c7405a53d465ce4833db771b113157cfb33c2dbbdc","source":{"kind":"arxiv","id":"1601.07226","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07226","created_at":"2026-05-18T01:16:43Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07226v2","created_at":"2026-05-18T01:16:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07226","created_at":"2026-05-18T01:16:43Z"},{"alias_kind":"pith_short_12","alias_value":"QALFWXPQK4LM","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"QALFWXPQK4LMOJZ7","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"QALFWXPQ","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:QALFWXPQK4LMOJZ7VHDUAWST2R","target":"record","payload":{"canonical_record":{"source":{"id":"1601.07226","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-01-26T23:45:03Z","cross_cats_sorted":[],"title_canon_sha256":"db66c34973826bf69069997196038df7fb950718e59a527626d5b55074fc419f","abstract_canon_sha256":"3a7f07f506041b0e86f1896f4700d43db65d719b369e39150327b9a7fbdc61fc"},"schema_version":"1.0"},"canonical_sha256":"80165b5df05716c7273fa9c7405a53d465ce4833db771b113157cfb33c2dbbdc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:43.006368Z","signature_b64":"h+VJWVJaH0BHMvNcMLjM87vF7XAROflDNofhMbvs+ZuYs/XKq6MRy3Q0NunRSjbtWMdwCpqzN3zYbtNpBMT+Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80165b5df05716c7273fa9c7405a53d465ce4833db771b113157cfb33c2dbbdc","last_reissued_at":"2026-05-18T01:16:43.005631Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:43.005631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.07226","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:16:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/hoGnABQbbU2nrandnTp5tvYVF3lvnDk9JvochHUyFx9izCH6Bg8L2z/fWpWeFZMkT/O9/5uEYZ8qbKW95+MCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T17:20:09.132836Z"},"content_sha256":"8e0f77f66468e7d277801939916ad66fdf41cda53799ef52f2b64c8b83381803","schema_version":"1.0","event_id":"sha256:8e0f77f66468e7d277801939916ad66fdf41cda53799ef52f2b64c8b83381803"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:QALFWXPQK4LMOJZ7VHDUAWST2R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dechirper Wakefields for Short Bunches","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Gennady Stupakov, Karl Bane","submitted_at":"2016-01-26T23:45:03Z","abstract_excerpt":"In previous work [1] general expressions, valid for arbitrary bunch lengths, were derived for the wakefields of corrugated structures with flat geometry, such as is used in the RadiaBeam/LCLS dechirper. However, the bunch at the end of linac-based X-ray FELs--like the LCLS--is extremely short, and for short bunches the wakes can be considerably simplified. In this work, we first derive analytical approximations to the short-range wakes. These are generalized wakes, in the sense that their validity is not limited to a small neighborhood of the symmetry axis, but rather extends to arbitrary tran"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07226","kind":"arxiv","version":2},"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":"2026-05-18T01:16:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G5dS/QC5c5zgQlRoTM9owIlc0Y4HTwuZjKcNQRAI9T6BwgJ8l01/vvr7awh2G2k8IUOgEq6RZXF/2cWhg1W9Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T17:20:09.133176Z"},"content_sha256":"b5f7383e7277ac1bbdc05810a640c6823434941cc1bffd5a75ae83e546eb4597","schema_version":"1.0","event_id":"sha256:b5f7383e7277ac1bbdc05810a640c6823434941cc1bffd5a75ae83e546eb4597"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QALFWXPQK4LMOJZ7VHDUAWST2R/bundle.json","state_url":"https://pith.science/pith/QALFWXPQK4LMOJZ7VHDUAWST2R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QALFWXPQK4LMOJZ7VHDUAWST2R/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":"2026-07-02T17:20:09Z","links":{"resolver":"https://pith.science/pith/QALFWXPQK4LMOJZ7VHDUAWST2R","bundle":"https://pith.science/pith/QALFWXPQK4LMOJZ7VHDUAWST2R/bundle.json","state":"https://pith.science/pith/QALFWXPQK4LMOJZ7VHDUAWST2R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QALFWXPQK4LMOJZ7VHDUAWST2R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:QALFWXPQK4LMOJZ7VHDUAWST2R","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":"3a7f07f506041b0e86f1896f4700d43db65d719b369e39150327b9a7fbdc61fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-01-26T23:45:03Z","title_canon_sha256":"db66c34973826bf69069997196038df7fb950718e59a527626d5b55074fc419f"},"schema_version":"1.0","source":{"id":"1601.07226","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07226","created_at":"2026-05-18T01:16:43Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07226v2","created_at":"2026-05-18T01:16:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07226","created_at":"2026-05-18T01:16:43Z"},{"alias_kind":"pith_short_12","alias_value":"QALFWXPQK4LM","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"QALFWXPQK4LMOJZ7","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"QALFWXPQ","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:b5f7383e7277ac1bbdc05810a640c6823434941cc1bffd5a75ae83e546eb4597","target":"graph","created_at":"2026-05-18T01:16:43Z","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 previous work [1] general expressions, valid for arbitrary bunch lengths, were derived for the wakefields of corrugated structures with flat geometry, such as is used in the RadiaBeam/LCLS dechirper. However, the bunch at the end of linac-based X-ray FELs--like the LCLS--is extremely short, and for short bunches the wakes can be considerably simplified. In this work, we first derive analytical approximations to the short-range wakes. These are generalized wakes, in the sense that their validity is not limited to a small neighborhood of the symmetry axis, but rather extends to arbitrary tran","authors_text":"Gennady Stupakov, Karl Bane","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-01-26T23:45:03Z","title":"Dechirper Wakefields for Short Bunches"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07226","kind":"arxiv","version":2},"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":"sha256:8e0f77f66468e7d277801939916ad66fdf41cda53799ef52f2b64c8b83381803","target":"record","created_at":"2026-05-18T01:16:43Z","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":"3a7f07f506041b0e86f1896f4700d43db65d719b369e39150327b9a7fbdc61fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-01-26T23:45:03Z","title_canon_sha256":"db66c34973826bf69069997196038df7fb950718e59a527626d5b55074fc419f"},"schema_version":"1.0","source":{"id":"1601.07226","kind":"arxiv","version":2}},"canonical_sha256":"80165b5df05716c7273fa9c7405a53d465ce4833db771b113157cfb33c2dbbdc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80165b5df05716c7273fa9c7405a53d465ce4833db771b113157cfb33c2dbbdc","first_computed_at":"2026-05-18T01:16:43.005631Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:43.005631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h+VJWVJaH0BHMvNcMLjM87vF7XAROflDNofhMbvs+ZuYs/XKq6MRy3Q0NunRSjbtWMdwCpqzN3zYbtNpBMT+Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:43.006368Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.07226","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e0f77f66468e7d277801939916ad66fdf41cda53799ef52f2b64c8b83381803","sha256:b5f7383e7277ac1bbdc05810a640c6823434941cc1bffd5a75ae83e546eb4597"],"state_sha256":"e967b8609d0c8f724307399f335b49e6f5c86eb755b470aaf6ab34f58776c607"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DJUYElmueFI+HD8ShCXnbIew19o8dv4AgSFAdThSY0bcbtCdyXVPuyM6XtH18hBzYlJri+VNOwsjsuqE202wCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T17:20:09.135138Z","bundle_sha256":"c9ccd4de247ab08893c694a1dd127a54312849b61ccb406bd9024594d06e8a41"}}