{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:FGN3IKFUDCF6RQHN7PMQAZ2E6R","short_pith_number":"pith:FGN3IKFU","canonical_record":{"source":{"id":"2312.15485","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-12-24T14:08:29Z","cross_cats_sorted":["hep-ex","nucl-ex","physics.ins-det"],"title_canon_sha256":"7add6794880dc4e25451d40d3fe79f0e31ef131abfca4c1eb2acf9879ac5ed75","abstract_canon_sha256":"4c8223e8f8b12088372c96508c24ba105542d29269614a4e7ee7211169c7bfe0"},"schema_version":"1.0"},"canonical_sha256":"299bb428b4188be8c0edfbd9006744f4497c0a9896e112ca4524eff6b652da36","source":{"kind":"arxiv","id":"2312.15485","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.15485","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"arxiv_version","alias_value":"2312.15485v2","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.15485","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"pith_short_12","alias_value":"FGN3IKFUDCF6","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"pith_short_16","alias_value":"FGN3IKFUDCF6RQHN","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"pith_short_8","alias_value":"FGN3IKFU","created_at":"2026-07-05T08:07:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:FGN3IKFUDCF6RQHN7PMQAZ2E6R","target":"record","payload":{"canonical_record":{"source":{"id":"2312.15485","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-12-24T14:08:29Z","cross_cats_sorted":["hep-ex","nucl-ex","physics.ins-det"],"title_canon_sha256":"7add6794880dc4e25451d40d3fe79f0e31ef131abfca4c1eb2acf9879ac5ed75","abstract_canon_sha256":"4c8223e8f8b12088372c96508c24ba105542d29269614a4e7ee7211169c7bfe0"},"schema_version":"1.0"},"canonical_sha256":"299bb428b4188be8c0edfbd9006744f4497c0a9896e112ca4524eff6b652da36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:07:32.014874Z","signature_b64":"3WWXezm6N0gVFwqvjFGVHi7t4opCsX1FP4GQ3jurUUklfwIpgUpcyZDAlJGLhjGTKX+nd6LDUPZ+Gd7PpQxEBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"299bb428b4188be8c0edfbd9006744f4497c0a9896e112ca4524eff6b652da36","last_reissued_at":"2026-07-05T08:07:32.014406Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:07:32.014406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.15485","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":"2026-07-05T08:07:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rzieuySWrpY5v6w7yv7u6QMthPz/7D9vOSKxN4e1Fc/jP0Yy6c8rHT3Ky3rpIsVOhOK1setX2lPiMMy4E6voBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:38:03.664737Z"},"content_sha256":"697ce92005909402a8ebfc564cb186018df36ff4616c8308ae7ca59c6c2273e9","schema_version":"1.0","event_id":"sha256:697ce92005909402a8ebfc564cb186018df36ff4616c8308ae7ca59c6c2273e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:FGN3IKFUDCF6RQHN7PMQAZ2E6R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design and early operation of a new-generation internal beam dump for CERN's Super Proton Synchrotron","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","nucl-ex","physics.ins-det"],"primary_cat":"physics.acc-ph","authors_text":"A. Ortega Rolo, A. Perillo Marcone, A. Romero Francia, C. Sharp, D. Carbajo Perez, D. Grenier, D. Senajova, D. Steyaert, E. Carlier, F.M. Velotti, G. Arnau Izquierdo, H. Vincke, J.A. Briz, J. Humbert, J. Lendaro, J.L. Grenard, K. Andersen, K. Kershaw, K. Scibor, L.S. Esposito, M. Calviani, S. Pianese, S. Sgobba, T. Coiffet, V. Vlachoudis","submitted_at":"2023-12-24T14:08:29Z","abstract_excerpt":"The Super Proton Synchrotron (SPS) is the last stage in the injector chain for CERN's Large Hadron Collider, and it also provides proton and ion beams for several fixed-target experiments. The SPS has been in operation since 1976, and it has been upgraded over the years. For the SPS to operate safely, its internal beam dump must be able to repeatedly absorb the energy of the circulating beams without sustaining damage that would affect its function. The latest upgrades of the SPS led to the requirement for its beam dump to absorb proton beams with a momentum spectrum from 14 to 450~GeV/$c$ and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.15485","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/2312.15485/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":"2026-07-05T08:07:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yFqEqwhhbJgYOOIaJnQIWc5EQQmPsOzbXInwRJqlmxGjhxwV+SgYUIWhaf5v2b15S4FwwRws1yxCAO10RK+JDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:38:03.665233Z"},"content_sha256":"5a834d143e01a1ac589b859d582c6596999e3443d3497df6e7ec225bc3aaf076","schema_version":"1.0","event_id":"sha256:5a834d143e01a1ac589b859d582c6596999e3443d3497df6e7ec225bc3aaf076"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FGN3IKFUDCF6RQHN7PMQAZ2E6R/bundle.json","state_url":"https://pith.science/pith/FGN3IKFUDCF6RQHN7PMQAZ2E6R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FGN3IKFUDCF6RQHN7PMQAZ2E6R/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":"2026-07-07T12:38:03Z","links":{"resolver":"https://pith.science/pith/FGN3IKFUDCF6RQHN7PMQAZ2E6R","bundle":"https://pith.science/pith/FGN3IKFUDCF6RQHN7PMQAZ2E6R/bundle.json","state":"https://pith.science/pith/FGN3IKFUDCF6RQHN7PMQAZ2E6R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FGN3IKFUDCF6RQHN7PMQAZ2E6R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:FGN3IKFUDCF6RQHN7PMQAZ2E6R","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":"4c8223e8f8b12088372c96508c24ba105542d29269614a4e7ee7211169c7bfe0","cross_cats_sorted":["hep-ex","nucl-ex","physics.ins-det"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-12-24T14:08:29Z","title_canon_sha256":"7add6794880dc4e25451d40d3fe79f0e31ef131abfca4c1eb2acf9879ac5ed75"},"schema_version":"1.0","source":{"id":"2312.15485","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.15485","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"arxiv_version","alias_value":"2312.15485v2","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.15485","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"pith_short_12","alias_value":"FGN3IKFUDCF6","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"pith_short_16","alias_value":"FGN3IKFUDCF6RQHN","created_at":"2026-07-05T08:07:32Z"},{"alias_kind":"pith_short_8","alias_value":"FGN3IKFU","created_at":"2026-07-05T08:07:32Z"}],"graph_snapshots":[{"event_id":"sha256:5a834d143e01a1ac589b859d582c6596999e3443d3497df6e7ec225bc3aaf076","target":"graph","created_at":"2026-07-05T08:07:32Z","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/2312.15485/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Super Proton Synchrotron (SPS) is the last stage in the injector chain for CERN's Large Hadron Collider, and it also provides proton and ion beams for several fixed-target experiments. The SPS has been in operation since 1976, and it has been upgraded over the years. For the SPS to operate safely, its internal beam dump must be able to repeatedly absorb the energy of the circulating beams without sustaining damage that would affect its function. The latest upgrades of the SPS led to the requirement for its beam dump to absorb proton beams with a momentum spectrum from 14 to 450~GeV/$c$ and","authors_text":"A. Ortega Rolo, A. Perillo Marcone, A. Romero Francia, C. Sharp, D. Carbajo Perez, D. Grenier, D. Senajova, D. Steyaert, E. Carlier, F.M. Velotti, G. Arnau Izquierdo, H. Vincke, J.A. Briz, J. Humbert, J. Lendaro, J.L. Grenard, K. Andersen, K. Kershaw, K. Scibor, L.S. Esposito, M. Calviani, S. Pianese, S. Sgobba, T. Coiffet, V. Vlachoudis","cross_cats":["hep-ex","nucl-ex","physics.ins-det"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-12-24T14:08:29Z","title":"Design and early operation of a new-generation internal beam dump for CERN's Super Proton Synchrotron"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.15485","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":"sha256:697ce92005909402a8ebfc564cb186018df36ff4616c8308ae7ca59c6c2273e9","target":"record","created_at":"2026-07-05T08:07:32Z","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":"4c8223e8f8b12088372c96508c24ba105542d29269614a4e7ee7211169c7bfe0","cross_cats_sorted":["hep-ex","nucl-ex","physics.ins-det"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-12-24T14:08:29Z","title_canon_sha256":"7add6794880dc4e25451d40d3fe79f0e31ef131abfca4c1eb2acf9879ac5ed75"},"schema_version":"1.0","source":{"id":"2312.15485","kind":"arxiv","version":2}},"canonical_sha256":"299bb428b4188be8c0edfbd9006744f4497c0a9896e112ca4524eff6b652da36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"299bb428b4188be8c0edfbd9006744f4497c0a9896e112ca4524eff6b652da36","first_computed_at":"2026-07-05T08:07:32.014406Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:07:32.014406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3WWXezm6N0gVFwqvjFGVHi7t4opCsX1FP4GQ3jurUUklfwIpgUpcyZDAlJGLhjGTKX+nd6LDUPZ+Gd7PpQxEBg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:07:32.014874Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.15485","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:697ce92005909402a8ebfc564cb186018df36ff4616c8308ae7ca59c6c2273e9","sha256:5a834d143e01a1ac589b859d582c6596999e3443d3497df6e7ec225bc3aaf076"],"state_sha256":"17b0d0a1e9c22a8c447ee09346bf5f8ef56994705dbd87cdc3a4523dbd2f3b62"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ez//C1jitA7OQzwONlWdYANqnBQ6zvRkIIa/D/PNqQR3mJpkF6Sgqwu6TUSwI5NYafMWin4Z2/R8sXLFRc1FDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:38:03.667303Z","bundle_sha256":"57e95719d99115f085dae6b2409f97c2e9ee610944008574e0fbbd842e7a7f27"}}