{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:Z2CQNZAXA2PFXJTAXOSEKMP4OB","short_pith_number":"pith:Z2CQNZAX","canonical_record":{"source":{"id":"2305.00573","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-04-30T20:44:55Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"34b8096009d0219a739913a987a3748c4d568ab7b18384b2cecf4a11e09921d5","abstract_canon_sha256":"c44466278177bb2f007050a161c8d86fa50a38018a401375d754ebde29ade1c6"},"schema_version":"1.0"},"canonical_sha256":"ce8506e417069e5ba660bba44531fc706659bc1a734f1bd9a901af3b06205bb8","source":{"kind":"arxiv","id":"2305.00573","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.00573","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"arxiv_version","alias_value":"2305.00573v2","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.00573","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"pith_short_12","alias_value":"Z2CQNZAXA2PF","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"pith_short_16","alias_value":"Z2CQNZAXA2PFXJTA","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"pith_short_8","alias_value":"Z2CQNZAX","created_at":"2026-07-05T07:30:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:Z2CQNZAXA2PFXJTAXOSEKMP4OB","target":"record","payload":{"canonical_record":{"source":{"id":"2305.00573","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-04-30T20:44:55Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"34b8096009d0219a739913a987a3748c4d568ab7b18384b2cecf4a11e09921d5","abstract_canon_sha256":"c44466278177bb2f007050a161c8d86fa50a38018a401375d754ebde29ade1c6"},"schema_version":"1.0"},"canonical_sha256":"ce8506e417069e5ba660bba44531fc706659bc1a734f1bd9a901af3b06205bb8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:30:37.033539Z","signature_b64":"XVfMWDr609EaeqPQX58Lzdy4pTPPYN119tzwGfddIz32wLgGdr9trcVOSN0DNDQUKSizmlyOGNeUKvKFr+e6Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce8506e417069e5ba660bba44531fc706659bc1a734f1bd9a901af3b06205bb8","last_reissued_at":"2026-07-05T07:30:37.033084Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:30:37.033084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.00573","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":"2026-07-05T07:30:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jFQfbL8LC9Fi5PVHHzrdE+ass2Rr4zDVTN7Mh/jY5BWGlmDcX4L+5dz94rj/tZNq0NqwInC3zi+W8mKFruDJAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:22:22.793902Z"},"content_sha256":"bdb509d023290e072e8a2dc7489b369db1b1ce96bd84dc0a35685c5550e3f27e","schema_version":"1.0","event_id":"sha256:bdb509d023290e072e8a2dc7489b369db1b1ce96bd84dc0a35685c5550e3f27e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:Z2CQNZAXA2PFXJTAXOSEKMP4OB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Beam Delivery and Beamstrahlung Considerations for Ultra-High Energy Linear Colliders","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.acc-ph","authors_text":"Arianna Formenti, Cameron Geddes, Carl A. Lindstrom, Carl Schroeder, Cho-Kuen Ng, Chris Doss, Davide Terzani, Edoardo Zoni, Erik Adli, Gevy Jiawei Cao, Glen White, Henri Vincenti, Ihar Lobach, Jean-Luc Vay, Jeroen van Tilborg, John Power, Kyrre Sjobak, Luca Fedeli, Marija Vranic, Mark Hogan, Maximilian Swiatlowski, Michael Litos, Michael Peskin, Remi Lehe, Sam Barber, Spencer Gessner, Thomas Grismayer, Tim Barklow, Tor Raubenheimer, Wenlong Zhang","submitted_at":"2023-04-30T20:44:55Z","abstract_excerpt":"As part of the Snowmass'21 community planning excercise, the Advanced Accelerator Concepts (AAC) community proposed future linear colliders with center-of-mass energies up to 15 TeV and luminosities up to 50$\\times10^{34}$ cm$^{-2}$s$^{-1}$ in a compact footprint. In addition to being compact, these machines must also be energy efficient. We identify two challenges that must be addressed in the design of these machines. First, the Beam Delivery System (BDS) must not add significant length to the accelerator complex. Second, beam parameters must be chosen to mitigate beamstrahlung effects and m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.00573","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2305.00573/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":"2026-07-05T07:30:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iwvE5pHElahD/2VfWApo8fvMc7WijibUaogWskPSQClW9Zf/5r5PYzJ81Wod43K1oC63qp4dHxy9RSX0tfH2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:22:22.794281Z"},"content_sha256":"9291aa0995e69f2d7b537d123b727d51299a125bf9adcaeb7fd2b2d13c58d8c1","schema_version":"1.0","event_id":"sha256:9291aa0995e69f2d7b537d123b727d51299a125bf9adcaeb7fd2b2d13c58d8c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z2CQNZAXA2PFXJTAXOSEKMP4OB/bundle.json","state_url":"https://pith.science/pith/Z2CQNZAXA2PFXJTAXOSEKMP4OB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z2CQNZAXA2PFXJTAXOSEKMP4OB/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":"2026-07-06T23:22:22Z","links":{"resolver":"https://pith.science/pith/Z2CQNZAXA2PFXJTAXOSEKMP4OB","bundle":"https://pith.science/pith/Z2CQNZAXA2PFXJTAXOSEKMP4OB/bundle.json","state":"https://pith.science/pith/Z2CQNZAXA2PFXJTAXOSEKMP4OB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z2CQNZAXA2PFXJTAXOSEKMP4OB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:Z2CQNZAXA2PFXJTAXOSEKMP4OB","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":"c44466278177bb2f007050a161c8d86fa50a38018a401375d754ebde29ade1c6","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-04-30T20:44:55Z","title_canon_sha256":"34b8096009d0219a739913a987a3748c4d568ab7b18384b2cecf4a11e09921d5"},"schema_version":"1.0","source":{"id":"2305.00573","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.00573","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"arxiv_version","alias_value":"2305.00573v2","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.00573","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"pith_short_12","alias_value":"Z2CQNZAXA2PF","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"pith_short_16","alias_value":"Z2CQNZAXA2PFXJTA","created_at":"2026-07-05T07:30:37Z"},{"alias_kind":"pith_short_8","alias_value":"Z2CQNZAX","created_at":"2026-07-05T07:30:37Z"}],"graph_snapshots":[{"event_id":"sha256:9291aa0995e69f2d7b537d123b727d51299a125bf9adcaeb7fd2b2d13c58d8c1","target":"graph","created_at":"2026-07-05T07:30:37Z","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/2305.00573/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As part of the Snowmass'21 community planning excercise, the Advanced Accelerator Concepts (AAC) community proposed future linear colliders with center-of-mass energies up to 15 TeV and luminosities up to 50$\\times10^{34}$ cm$^{-2}$s$^{-1}$ in a compact footprint. In addition to being compact, these machines must also be energy efficient. We identify two challenges that must be addressed in the design of these machines. First, the Beam Delivery System (BDS) must not add significant length to the accelerator complex. Second, beam parameters must be chosen to mitigate beamstrahlung effects and m","authors_text":"Arianna Formenti, Cameron Geddes, Carl A. Lindstrom, Carl Schroeder, Cho-Kuen Ng, Chris Doss, Davide Terzani, Edoardo Zoni, Erik Adli, Gevy Jiawei Cao, Glen White, Henri Vincenti, Ihar Lobach, Jean-Luc Vay, Jeroen van Tilborg, John Power, Kyrre Sjobak, Luca Fedeli, Marija Vranic, Mark Hogan, Maximilian Swiatlowski, Michael Litos, Michael Peskin, Remi Lehe, Sam Barber, Spencer Gessner, Thomas Grismayer, Tim Barklow, Tor Raubenheimer, Wenlong Zhang","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-04-30T20:44:55Z","title":"Beam Delivery and Beamstrahlung Considerations for Ultra-High Energy Linear Colliders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.00573","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:bdb509d023290e072e8a2dc7489b369db1b1ce96bd84dc0a35685c5550e3f27e","target":"record","created_at":"2026-07-05T07:30:37Z","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":"c44466278177bb2f007050a161c8d86fa50a38018a401375d754ebde29ade1c6","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-04-30T20:44:55Z","title_canon_sha256":"34b8096009d0219a739913a987a3748c4d568ab7b18384b2cecf4a11e09921d5"},"schema_version":"1.0","source":{"id":"2305.00573","kind":"arxiv","version":2}},"canonical_sha256":"ce8506e417069e5ba660bba44531fc706659bc1a734f1bd9a901af3b06205bb8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce8506e417069e5ba660bba44531fc706659bc1a734f1bd9a901af3b06205bb8","first_computed_at":"2026-07-05T07:30:37.033084Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:30:37.033084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XVfMWDr609EaeqPQX58Lzdy4pTPPYN119tzwGfddIz32wLgGdr9trcVOSN0DNDQUKSizmlyOGNeUKvKFr+e6Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:30:37.033539Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.00573","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdb509d023290e072e8a2dc7489b369db1b1ce96bd84dc0a35685c5550e3f27e","sha256:9291aa0995e69f2d7b537d123b727d51299a125bf9adcaeb7fd2b2d13c58d8c1"],"state_sha256":"88fb484b9507a92b7d0da54a847d27d38e87a9e380de689651e989d7c53e7006"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D1OctnKaahu5k1bYpfDxK3XAfFpqWcJDd3ohUN0Iu5l9rJ+dC1nEHM9/9GcJyh1Iu5N+0fDL5OmkrKBJGQiIBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T23:22:22.796387Z","bundle_sha256":"4842e13fee05bebb3ea09090dec736721b0d86db9d7bc6d68ec246b2e1794042"}}