{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:E6P7LGCIW3BQPVSQ5EWC43V2DL","short_pith_number":"pith:E6P7LGCI","canonical_record":{"source":{"id":"2606.13062","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2026-06-11T08:48:21Z","cross_cats_sorted":[],"title_canon_sha256":"ce26205b97d4d7715b15b6093d7c01df8fc338797fa0687380c3fcfa66c71af4","abstract_canon_sha256":"869b9e05bab9a4308a3d8be22a6c28c1593967fff4fc85bac952e913feda71d6"},"schema_version":"1.0"},"canonical_sha256":"279ff59848b6c307d650e92c2e6eba1ad44b70b28cd04eca3f8fef93609f4f3b","source":{"kind":"arxiv","id":"2606.13062","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.13062","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"arxiv_version","alias_value":"2606.13062v1","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.13062","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"pith_short_12","alias_value":"E6P7LGCIW3BQ","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"pith_short_16","alias_value":"E6P7LGCIW3BQPVSQ","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"pith_short_8","alias_value":"E6P7LGCI","created_at":"2026-06-12T01:09:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:E6P7LGCIW3BQPVSQ5EWC43V2DL","target":"record","payload":{"canonical_record":{"source":{"id":"2606.13062","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2026-06-11T08:48:21Z","cross_cats_sorted":[],"title_canon_sha256":"ce26205b97d4d7715b15b6093d7c01df8fc338797fa0687380c3fcfa66c71af4","abstract_canon_sha256":"869b9e05bab9a4308a3d8be22a6c28c1593967fff4fc85bac952e913feda71d6"},"schema_version":"1.0"},"canonical_sha256":"279ff59848b6c307d650e92c2e6eba1ad44b70b28cd04eca3f8fef93609f4f3b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-12T01:09:38.925514Z","signature_b64":"HgQH9q7quJVYy7DdJTdivXt8IUQtYHcz/9+UGdM5ObT43FDjUnZRytS3OYRuxDKIzqzk9PT9UG5iXrTskqYGCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"279ff59848b6c307d650e92c2e6eba1ad44b70b28cd04eca3f8fef93609f4f3b","last_reissued_at":"2026-06-12T01:09:38.925066Z","signature_status":"signed_v1","first_computed_at":"2026-06-12T01:09:38.925066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.13062","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":"2026-06-12T01:09:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8km54L7YJZVpKNax029XQ4MnH9XiHEzg9y39nvWDQL0BZOR6y/q9LVSGd9aX1MAMAb9T9YEeird9rL9uZtUkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T23:11:45.174008Z"},"content_sha256":"0c4c2b43366cbca84f9b33f8ee83487dda5acf6e668d8ac52e044be28ebdab6f","schema_version":"1.0","event_id":"sha256:0c4c2b43366cbca84f9b33f8ee83487dda5acf6e668d8ac52e044be28ebdab6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:E6P7LGCIW3BQPVSQ5EWC43V2DL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimization of muon suppression using sweeper magnets for the Forward Physics Facility at the HL-LHC","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Akitaka Ariga, Alex Keyken, Daiki Hayakawa, Elena Firu, Enrique Kajomovitz, Haruhi Fujimori, Jamie Boyd, Jeremy Atkinson, Ken Ohashi, Kohei Chinone, Laurie Nevay, Radu Dobre, Simon Thor, Stephen Gibson, Tomoko Ariga, Umut Kose","submitted_at":"2026-06-11T08:48:21Z","abstract_excerpt":"The Forward Physics Facility (FPF) at the High-Luminosity LHC (HL-LHC) will enable high-statistics measurements of TeV-scale neutrinos, but the intense flux of forward muons poses a major challenge for neutrino detectors in the far-forward region.\n  We investigate the suppression of background muons using sweeper magnets with a simulation framework combining SIBYLL event generation, BDSIM beam transport, Geant4 particle tracking, and realistic magnetic field maps.\n  Starting from a muon flux of $3.8\\times10^3~\\mathrm{cm^{-2}}$ per $\\mathrm{fb^{-1}}$ without magnets, a magnet in the LHC tunnel "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.13062","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/2606.13062/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":"2026-06-12T01:09:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EsDmYNwwLTJFkXnpqOkiwr5ykoVfC0Rb8Ofz2nv8ETDHVcsq9UciX+ukYq5OPx29G/e23LtuNj/qaP+OD+n5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T23:11:45.174392Z"},"content_sha256":"5f71b800dda395f253e2e55d79cf09ad40fdb692355304e258775f1f0be0f0f9","schema_version":"1.0","event_id":"sha256:5f71b800dda395f253e2e55d79cf09ad40fdb692355304e258775f1f0be0f0f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E6P7LGCIW3BQPVSQ5EWC43V2DL/bundle.json","state_url":"https://pith.science/pith/E6P7LGCIW3BQPVSQ5EWC43V2DL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E6P7LGCIW3BQPVSQ5EWC43V2DL/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":"2026-06-29T23:11:45Z","links":{"resolver":"https://pith.science/pith/E6P7LGCIW3BQPVSQ5EWC43V2DL","bundle":"https://pith.science/pith/E6P7LGCIW3BQPVSQ5EWC43V2DL/bundle.json","state":"https://pith.science/pith/E6P7LGCIW3BQPVSQ5EWC43V2DL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E6P7LGCIW3BQPVSQ5EWC43V2DL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:E6P7LGCIW3BQPVSQ5EWC43V2DL","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":"869b9e05bab9a4308a3d8be22a6c28c1593967fff4fc85bac952e913feda71d6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2026-06-11T08:48:21Z","title_canon_sha256":"ce26205b97d4d7715b15b6093d7c01df8fc338797fa0687380c3fcfa66c71af4"},"schema_version":"1.0","source":{"id":"2606.13062","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.13062","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"arxiv_version","alias_value":"2606.13062v1","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.13062","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"pith_short_12","alias_value":"E6P7LGCIW3BQ","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"pith_short_16","alias_value":"E6P7LGCIW3BQPVSQ","created_at":"2026-06-12T01:09:38Z"},{"alias_kind":"pith_short_8","alias_value":"E6P7LGCI","created_at":"2026-06-12T01:09:38Z"}],"graph_snapshots":[{"event_id":"sha256:5f71b800dda395f253e2e55d79cf09ad40fdb692355304e258775f1f0be0f0f9","target":"graph","created_at":"2026-06-12T01:09:38Z","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/2606.13062/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Forward Physics Facility (FPF) at the High-Luminosity LHC (HL-LHC) will enable high-statistics measurements of TeV-scale neutrinos, but the intense flux of forward muons poses a major challenge for neutrino detectors in the far-forward region.\n  We investigate the suppression of background muons using sweeper magnets with a simulation framework combining SIBYLL event generation, BDSIM beam transport, Geant4 particle tracking, and realistic magnetic field maps.\n  Starting from a muon flux of $3.8\\times10^3~\\mathrm{cm^{-2}}$ per $\\mathrm{fb^{-1}}$ without magnets, a magnet in the LHC tunnel ","authors_text":"Akitaka Ariga, Alex Keyken, Daiki Hayakawa, Elena Firu, Enrique Kajomovitz, Haruhi Fujimori, Jamie Boyd, Jeremy Atkinson, Ken Ohashi, Kohei Chinone, Laurie Nevay, Radu Dobre, Simon Thor, Stephen Gibson, Tomoko Ariga, Umut Kose","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2026-06-11T08:48:21Z","title":"Optimization of muon suppression using sweeper magnets for the Forward Physics Facility at the HL-LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.13062","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":"sha256:0c4c2b43366cbca84f9b33f8ee83487dda5acf6e668d8ac52e044be28ebdab6f","target":"record","created_at":"2026-06-12T01:09:38Z","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":"869b9e05bab9a4308a3d8be22a6c28c1593967fff4fc85bac952e913feda71d6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2026-06-11T08:48:21Z","title_canon_sha256":"ce26205b97d4d7715b15b6093d7c01df8fc338797fa0687380c3fcfa66c71af4"},"schema_version":"1.0","source":{"id":"2606.13062","kind":"arxiv","version":1}},"canonical_sha256":"279ff59848b6c307d650e92c2e6eba1ad44b70b28cd04eca3f8fef93609f4f3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"279ff59848b6c307d650e92c2e6eba1ad44b70b28cd04eca3f8fef93609f4f3b","first_computed_at":"2026-06-12T01:09:38.925066Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-12T01:09:38.925066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HgQH9q7quJVYy7DdJTdivXt8IUQtYHcz/9+UGdM5ObT43FDjUnZRytS3OYRuxDKIzqzk9PT9UG5iXrTskqYGCw==","signature_status":"signed_v1","signed_at":"2026-06-12T01:09:38.925514Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.13062","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c4c2b43366cbca84f9b33f8ee83487dda5acf6e668d8ac52e044be28ebdab6f","sha256:5f71b800dda395f253e2e55d79cf09ad40fdb692355304e258775f1f0be0f0f9"],"state_sha256":"4a351b5eeeb922e5bf068c7c698ddc17577fb6b74c3f713da61dcedb5dfbb23f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xIPscRdVXnIS8h8Zsp41/fkAmPt/QQuohVZkUmkxfoGGtC+hOYEs6PNtelFi+3UAXxVLFX9540plEr205mPCCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T23:11:45.176496Z","bundle_sha256":"315d58577b87976a776ce6a5cab597f4483a781f22572bedf334951be77a4cfc"}}