{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:IMWDK4QXWZ4MGM3MVGRUTIET7J","short_pith_number":"pith:IMWDK4QX","canonical_record":{"source":{"id":"0806.2893","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2008-06-18T00:30:22Z","cross_cats_sorted":[],"title_canon_sha256":"20db078d3d4caa529aaa695f2d1008e4d401632fcd7367cf1f68af749e63808b","abstract_canon_sha256":"d5e8f00141588511add26aebe76f378fa58e1437e161c829d39cd0bf1c79946b"},"schema_version":"1.0"},"canonical_sha256":"432c357217b678c3336ca9a349a093fa7205c74db59d0e6d0545c40a87af052b","source":{"kind":"arxiv","id":"0806.2893","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.2893","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"arxiv_version","alias_value":"0806.2893v1","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.2893","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"pith_short_12","alias_value":"IMWDK4QXWZ4M","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"IMWDK4QXWZ4MGM3M","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"IMWDK4QX","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:IMWDK4QXWZ4MGM3MVGRUTIET7J","target":"record","payload":{"canonical_record":{"source":{"id":"0806.2893","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2008-06-18T00:30:22Z","cross_cats_sorted":[],"title_canon_sha256":"20db078d3d4caa529aaa695f2d1008e4d401632fcd7367cf1f68af749e63808b","abstract_canon_sha256":"d5e8f00141588511add26aebe76f378fa58e1437e161c829d39cd0bf1c79946b"},"schema_version":"1.0"},"canonical_sha256":"432c357217b678c3336ca9a349a093fa7205c74db59d0e6d0545c40a87af052b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:51.402971Z","signature_b64":"6vfNMwSkGMO62ecbDCZ4+LGAXfJvgLBDkOVI5/DN3fREKb1LAC9T1TdHOLWO2YgZ5spy+JxOtYBBqCT75DoOCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"432c357217b678c3336ca9a349a093fa7205c74db59d0e6d0545c40a87af052b","last_reissued_at":"2026-05-18T02:15:51.402389Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:51.402389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0806.2893","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":"2026-05-18T02:15:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D6ts8iGrX14ihQeTRrMpSekGBQ+qhL03DOkrQU0MhrWALguRruVyvKhV2K6fO39I/UKijpN13l/yw7V7/emaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T05:09:02.387840Z"},"content_sha256":"aa16a3df6aab5fd2cb3b5c9304b049e08f7c67d8bdfe89bdef99898dbcf55ae1","schema_version":"1.0","event_id":"sha256:aa16a3df6aab5fd2cb3b5c9304b049e08f7c67d8bdfe89bdef99898dbcf55ae1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:IMWDK4QXWZ4MGM3MVGRUTIET7J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extended 1D Method for Coherent Synchrotron Radiation including Shielding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Christopher Mayes, David Sagan, Georg Hoffstaetter, Udom Sae-Ueng","submitted_at":"2008-06-18T00:30:22Z","abstract_excerpt":"Coherent Synchrotron Radiation can severely limit the performance of accelerators designed for high brightness and short bunch length. Examples include light sources based on ERLs or FELs, and bunch compressors for linear colliders. In order to better simulate Coherent Synchrotron Radiation, the established 1-dimensional formalism is extended to work at lower energies, at shorter bunch lengths, and for an arbitrary configuration of multiple bends. Wide vacuum chambers are simulated by means of vertical image charges. This formalism has been implemented in the general beam dynamics code \"Bmad\" "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.2893","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":"2026-05-18T02:15:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t5m6x4y25PS71BEq8peL9C57lGq8hNICS5xxAHcqTrfYdO2hMvhusAFpwkb83NcOYec9ppOjdrE15vMladhyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T05:09:02.388491Z"},"content_sha256":"4bf9d762dc77777f6ac1d6ce713efe06ab1d32c100756c154b6bf4ab072fbe12","schema_version":"1.0","event_id":"sha256:4bf9d762dc77777f6ac1d6ce713efe06ab1d32c100756c154b6bf4ab072fbe12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IMWDK4QXWZ4MGM3MVGRUTIET7J/bundle.json","state_url":"https://pith.science/pith/IMWDK4QXWZ4MGM3MVGRUTIET7J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IMWDK4QXWZ4MGM3MVGRUTIET7J/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":"2026-06-09T05:09:02Z","links":{"resolver":"https://pith.science/pith/IMWDK4QXWZ4MGM3MVGRUTIET7J","bundle":"https://pith.science/pith/IMWDK4QXWZ4MGM3MVGRUTIET7J/bundle.json","state":"https://pith.science/pith/IMWDK4QXWZ4MGM3MVGRUTIET7J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IMWDK4QXWZ4MGM3MVGRUTIET7J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:IMWDK4QXWZ4MGM3MVGRUTIET7J","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":"d5e8f00141588511add26aebe76f378fa58e1437e161c829d39cd0bf1c79946b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2008-06-18T00:30:22Z","title_canon_sha256":"20db078d3d4caa529aaa695f2d1008e4d401632fcd7367cf1f68af749e63808b"},"schema_version":"1.0","source":{"id":"0806.2893","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.2893","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"arxiv_version","alias_value":"0806.2893v1","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.2893","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"pith_short_12","alias_value":"IMWDK4QXWZ4M","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"IMWDK4QXWZ4MGM3M","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"IMWDK4QX","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:4bf9d762dc77777f6ac1d6ce713efe06ab1d32c100756c154b6bf4ab072fbe12","target":"graph","created_at":"2026-05-18T02:15:51Z","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":"Coherent Synchrotron Radiation can severely limit the performance of accelerators designed for high brightness and short bunch length. Examples include light sources based on ERLs or FELs, and bunch compressors for linear colliders. In order to better simulate Coherent Synchrotron Radiation, the established 1-dimensional formalism is extended to work at lower energies, at shorter bunch lengths, and for an arbitrary configuration of multiple bends. Wide vacuum chambers are simulated by means of vertical image charges. This formalism has been implemented in the general beam dynamics code \"Bmad\" ","authors_text":"Christopher Mayes, David Sagan, Georg Hoffstaetter, Udom Sae-Ueng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2008-06-18T00:30:22Z","title":"Extended 1D Method for Coherent Synchrotron Radiation including Shielding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.2893","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:aa16a3df6aab5fd2cb3b5c9304b049e08f7c67d8bdfe89bdef99898dbcf55ae1","target":"record","created_at":"2026-05-18T02:15:51Z","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":"d5e8f00141588511add26aebe76f378fa58e1437e161c829d39cd0bf1c79946b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2008-06-18T00:30:22Z","title_canon_sha256":"20db078d3d4caa529aaa695f2d1008e4d401632fcd7367cf1f68af749e63808b"},"schema_version":"1.0","source":{"id":"0806.2893","kind":"arxiv","version":1}},"canonical_sha256":"432c357217b678c3336ca9a349a093fa7205c74db59d0e6d0545c40a87af052b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"432c357217b678c3336ca9a349a093fa7205c74db59d0e6d0545c40a87af052b","first_computed_at":"2026-05-18T02:15:51.402389Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:51.402389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6vfNMwSkGMO62ecbDCZ4+LGAXfJvgLBDkOVI5/DN3fREKb1LAC9T1TdHOLWO2YgZ5spy+JxOtYBBqCT75DoOCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:51.402971Z","signed_message":"canonical_sha256_bytes"},"source_id":"0806.2893","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa16a3df6aab5fd2cb3b5c9304b049e08f7c67d8bdfe89bdef99898dbcf55ae1","sha256:4bf9d762dc77777f6ac1d6ce713efe06ab1d32c100756c154b6bf4ab072fbe12"],"state_sha256":"8fd4e7e06c3a869ad19a3047dc386547797e38d9a4bc32ad250db71686561f34"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"41vq9kh1EhZZenPKyP3R7M/mb5nutHEy3Es9HcOoVUUFSh7mwBtj2qE4lk+cs2S8hxUrJhDyev4e1ZCgob5TBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T05:09:02.391703Z","bundle_sha256":"0c5a8cf3819cd30054ca372548bceb150fa7ea1111f22da8b3168d26be9f0d0a"}}