{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:OT4PB7OTV44AMLFRDIFVFRBOYV","short_pith_number":"pith:OT4PB7OT","canonical_record":{"source":{"id":"1806.07317","kind":"arxiv","version":5},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-19T15:50:32Z","cross_cats_sorted":[],"title_canon_sha256":"e65c07c2f479c39a5b2204e97d8e83c11f78f485bb4e1a6a7052e0a4df7b6f5e","abstract_canon_sha256":"f95a708ce1d97f711b2de8a0990bf64354747a7ab39495ffac0f209061cf9b8f"},"schema_version":"1.0"},"canonical_sha256":"74f8f0fdd3af38062cb11a0b52c42ec5797810b3a97e44f7b128eac2818a658f","source":{"kind":"arxiv","id":"1806.07317","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.07317","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"arxiv_version","alias_value":"1806.07317v5","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.07317","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"pith_short_12","alias_value":"OT4PB7OTV44A","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"pith_short_16","alias_value":"OT4PB7OTV44AMLFR","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"pith_short_8","alias_value":"OT4PB7OT","created_at":"2026-07-05T01:48:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:OT4PB7OTV44AMLFRDIFVFRBOYV","target":"record","payload":{"canonical_record":{"source":{"id":"1806.07317","kind":"arxiv","version":5},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-19T15:50:32Z","cross_cats_sorted":[],"title_canon_sha256":"e65c07c2f479c39a5b2204e97d8e83c11f78f485bb4e1a6a7052e0a4df7b6f5e","abstract_canon_sha256":"f95a708ce1d97f711b2de8a0990bf64354747a7ab39495ffac0f209061cf9b8f"},"schema_version":"1.0"},"canonical_sha256":"74f8f0fdd3af38062cb11a0b52c42ec5797810b3a97e44f7b128eac2818a658f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:48:41.582244Z","signature_b64":"0uS8d/owX1LGqmX1CKI2EbSYw0UQieqTufEmdDk0k+gqLS4UIR89kahrwwIqTmGJFsM4oq4p0kUuMNEbC5bnDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74f8f0fdd3af38062cb11a0b52c42ec5797810b3a97e44f7b128eac2818a658f","last_reissued_at":"2026-07-05T01:48:41.581852Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:48:41.581852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.07317","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:48:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wlncqAHaB2KFbOtB/h2QSofKDj6aC8CCiWOWmgIB0i8ALqrmPvAQJo00cobcKQPd9lidShRx+MwiWRQBcZGgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T12:17:09.309673Z"},"content_sha256":"e77ae725ee4954e7018d3f17002e4d086f7c37fe9c8501103d26ecd4b2e8a1c3","schema_version":"1.0","event_id":"sha256:e77ae725ee4954e7018d3f17002e4d086f7c37fe9c8501103d26ecd4b2e8a1c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:OT4PB7OTV44AMLFRDIFVFRBOYV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impact of Non-Gaussian Beam Profiles in the Performance of Hadron Colliders","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"F. Antoniou, G. Trad, M. Hostettler, S. Papadopoulou, T. Argyropoulos, Y. Papaphilippou","submitted_at":"2018-06-19T15:50:32Z","abstract_excerpt":"At the Large Hadron Collider (LHC), the interplay between a series of effects, including intrabeam scattering (IBS), synchrotron radiation, longitudinal beam manipulations, two beam effects (beam-beam, e-cloud) and machine non-linearities, can change the population of the core and tails and lead to non-Gaussian beam distributions, at different periods during the beam cycle. By employing generalised distribution functions, it can be demonstrated that the modified non-Gaussian beam profiles have an impact in the beam emittance evolution by itself and thereby to the collider luminosity. This pape"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.07317","kind":"arxiv","version":5},"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/1806.07317/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":"2026-07-05T01:48:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wG0wAb39aoU/hOl1ZVSMtQOOp7HRFaOAlwy8Jw37SnF57PwT+kjPbYt4zzAR3Hus2qvd80jmXxsT4lK2qaFfAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T12:17:09.310086Z"},"content_sha256":"3e0995b2e3f4ce88007e67ed00df40b7bd4ef7a119cfb7e1a2e53faa27d58360","schema_version":"1.0","event_id":"sha256:3e0995b2e3f4ce88007e67ed00df40b7bd4ef7a119cfb7e1a2e53faa27d58360"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OT4PB7OTV44AMLFRDIFVFRBOYV/bundle.json","state_url":"https://pith.science/pith/OT4PB7OTV44AMLFRDIFVFRBOYV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OT4PB7OTV44AMLFRDIFVFRBOYV/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":"2026-07-10T12:17:09Z","links":{"resolver":"https://pith.science/pith/OT4PB7OTV44AMLFRDIFVFRBOYV","bundle":"https://pith.science/pith/OT4PB7OTV44AMLFRDIFVFRBOYV/bundle.json","state":"https://pith.science/pith/OT4PB7OTV44AMLFRDIFVFRBOYV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OT4PB7OTV44AMLFRDIFVFRBOYV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OT4PB7OTV44AMLFRDIFVFRBOYV","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":"f95a708ce1d97f711b2de8a0990bf64354747a7ab39495ffac0f209061cf9b8f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-19T15:50:32Z","title_canon_sha256":"e65c07c2f479c39a5b2204e97d8e83c11f78f485bb4e1a6a7052e0a4df7b6f5e"},"schema_version":"1.0","source":{"id":"1806.07317","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.07317","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"arxiv_version","alias_value":"1806.07317v5","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.07317","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"pith_short_12","alias_value":"OT4PB7OTV44A","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"pith_short_16","alias_value":"OT4PB7OTV44AMLFR","created_at":"2026-07-05T01:48:41Z"},{"alias_kind":"pith_short_8","alias_value":"OT4PB7OT","created_at":"2026-07-05T01:48:41Z"}],"graph_snapshots":[{"event_id":"sha256:3e0995b2e3f4ce88007e67ed00df40b7bd4ef7a119cfb7e1a2e53faa27d58360","target":"graph","created_at":"2026-07-05T01:48:41Z","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/1806.07317/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"At the Large Hadron Collider (LHC), the interplay between a series of effects, including intrabeam scattering (IBS), synchrotron radiation, longitudinal beam manipulations, two beam effects (beam-beam, e-cloud) and machine non-linearities, can change the population of the core and tails and lead to non-Gaussian beam distributions, at different periods during the beam cycle. By employing generalised distribution functions, it can be demonstrated that the modified non-Gaussian beam profiles have an impact in the beam emittance evolution by itself and thereby to the collider luminosity. This pape","authors_text":"F. Antoniou, G. Trad, M. Hostettler, S. Papadopoulou, T. Argyropoulos, Y. Papaphilippou","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-19T15:50:32Z","title":"Impact of Non-Gaussian Beam Profiles in the Performance of Hadron Colliders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.07317","kind":"arxiv","version":5},"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:e77ae725ee4954e7018d3f17002e4d086f7c37fe9c8501103d26ecd4b2e8a1c3","target":"record","created_at":"2026-07-05T01:48:41Z","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":"f95a708ce1d97f711b2de8a0990bf64354747a7ab39495ffac0f209061cf9b8f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-19T15:50:32Z","title_canon_sha256":"e65c07c2f479c39a5b2204e97d8e83c11f78f485bb4e1a6a7052e0a4df7b6f5e"},"schema_version":"1.0","source":{"id":"1806.07317","kind":"arxiv","version":5}},"canonical_sha256":"74f8f0fdd3af38062cb11a0b52c42ec5797810b3a97e44f7b128eac2818a658f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74f8f0fdd3af38062cb11a0b52c42ec5797810b3a97e44f7b128eac2818a658f","first_computed_at":"2026-07-05T01:48:41.581852Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:48:41.581852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0uS8d/owX1LGqmX1CKI2EbSYw0UQieqTufEmdDk0k+gqLS4UIR89kahrwwIqTmGJFsM4oq4p0kUuMNEbC5bnDA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:48:41.582244Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.07317","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e77ae725ee4954e7018d3f17002e4d086f7c37fe9c8501103d26ecd4b2e8a1c3","sha256:3e0995b2e3f4ce88007e67ed00df40b7bd4ef7a119cfb7e1a2e53faa27d58360"],"state_sha256":"40e9624415fad3719cfdb42e967419343d346e7e7965b9dc721a5c474e1d3a44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PTsmxzHJLdmODrsMLTvxVGRgE8o6gn0cvOzLpccy/wiqQ3jaUi4EGS618whYnvkn2iPpEZJFo3KRJdjZp9J4Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T12:17:09.312957Z","bundle_sha256":"914253b0897330da3943224008902aa3c45c0713afa7bd7b1324f1ea95e8e0e3"}}