{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DQPU4I6Q72K6XIXSTZ57OFMJQR","short_pith_number":"pith:DQPU4I6Q","canonical_record":{"source":{"id":"2204.04051","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-04-08T13:15:35Z","cross_cats_sorted":["cond-mat.other","hep-ex"],"title_canon_sha256":"94526c597275cdcce190eaa98cc3133a031cdb109ab4ac29d5f58e182958ebaa","abstract_canon_sha256":"5572dee43b317bd9952ad54a9185d000fcd91175c0901d60ca66df9559e351d3"},"schema_version":"1.0"},"canonical_sha256":"1c1f4e23d0fe95eba2f29e7bf715898452a2b98ef948382f4200ebb23e3e66fb","source":{"kind":"arxiv","id":"2204.04051","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.04051","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"arxiv_version","alias_value":"2204.04051v1","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.04051","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"pith_short_12","alias_value":"DQPU4I6Q72K6","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"pith_short_16","alias_value":"DQPU4I6Q72K6XIXS","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"pith_short_8","alias_value":"DQPU4I6Q","created_at":"2026-07-05T04:12:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DQPU4I6Q72K6XIXSTZ57OFMJQR","target":"record","payload":{"canonical_record":{"source":{"id":"2204.04051","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-04-08T13:15:35Z","cross_cats_sorted":["cond-mat.other","hep-ex"],"title_canon_sha256":"94526c597275cdcce190eaa98cc3133a031cdb109ab4ac29d5f58e182958ebaa","abstract_canon_sha256":"5572dee43b317bd9952ad54a9185d000fcd91175c0901d60ca66df9559e351d3"},"schema_version":"1.0"},"canonical_sha256":"1c1f4e23d0fe95eba2f29e7bf715898452a2b98ef948382f4200ebb23e3e66fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:12:44.876420Z","signature_b64":"lMhF97ckA4wvqDZRf8evnH4JMKWniximOlkGgu5T93xg1B+s8rAKvS0rR/jSx5jVEFTf+1CEO8fh0TMgfCcMCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c1f4e23d0fe95eba2f29e7bf715898452a2b98ef948382f4200ebb23e3e66fb","last_reissued_at":"2026-07-05T04:12:44.876016Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:12:44.876016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.04051","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":"2026-07-05T04:12:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OvUp5nTJ1SD+xnrbCNMo5J/2+19SVD4MK20U1IVdDjX2KLf9v6GQEaOFk3kOD5IC0QajoXVgi90126ZYeHisCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:23:31.338629Z"},"content_sha256":"a2efc59f64ddd58b37ea1716d052d5ae366c90a6cc057819b754458c1801bfef","schema_version":"1.0","event_id":"sha256:a2efc59f64ddd58b37ea1716d052d5ae366c90a6cc057819b754458c1801bfef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DQPU4I6Q72K6XIXSTZ57OFMJQR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Development of a High Intensity Neutron Source at the European Spallation Source: The HighNESS project","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Gaye, A. Takibayev, B. Lauritzen, B. Meirose, B. Rataj, C. Happe, D. Campi, D. D. Di Julio, D. Milstead, E.B. Klinkby, E. Diane, F. Mezei, G. Gorini, G. Muhrer, J.I. Marquez Damian, J. R. Selknaes, K. Dunne, K.H. Andersen, K. Ramic, L. Zanini, M. Bernasconi, M. Bertelsen, M. Strobl, M. Strothmann, N. Rizzi, O. Zimmer, P. Fierlinger, P. Willendrup, R. Kolevatov, R. Linander, R. Wagner, S.-C. Yiu, S. Samothrakitis, S. Silverstein, T. Kittelmann, V. Czamler, V. Santoro, Y. Be{\\ss}ler, Z. Kokai","submitted_at":"2022-04-08T13:15:35Z","abstract_excerpt":"The European Spallation Source (ESS), presently under construction in Lund, Sweden, is a multidisciplinary international laboratory that will operate the world's most powerful pulsed neutron source. Supported by a 3M Euro Research and Innovation Action within the EU Horizon 2020 program, a design study (HighNESS) is now underway to develop a second neutron source below the spallation target. Compared to the first source, located above the spallation target and designed for high cold and thermal brightness, the new source will provide higher intensity, and a shift to longer wavelengths in the s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.04051","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/2204.04051/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":"2026-07-05T04:12:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kdutDP9MLusIrLRDqtVC3aP0GWAi7aQJzu6Kpw3Gkc8VnmQVAF5tP4UAKcs21QGSys/dwvWZk4fT/e/sm+qJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:23:31.339206Z"},"content_sha256":"7f551fc175c6a355e5d3f5f51be6078446b7b0278902603929f4c87a5e088f9b","schema_version":"1.0","event_id":"sha256:7f551fc175c6a355e5d3f5f51be6078446b7b0278902603929f4c87a5e088f9b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DQPU4I6Q72K6XIXSTZ57OFMJQR/bundle.json","state_url":"https://pith.science/pith/DQPU4I6Q72K6XIXSTZ57OFMJQR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DQPU4I6Q72K6XIXSTZ57OFMJQR/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":"2026-08-04T08:23:31Z","links":{"resolver":"https://pith.science/pith/DQPU4I6Q72K6XIXSTZ57OFMJQR","bundle":"https://pith.science/pith/DQPU4I6Q72K6XIXSTZ57OFMJQR/bundle.json","state":"https://pith.science/pith/DQPU4I6Q72K6XIXSTZ57OFMJQR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DQPU4I6Q72K6XIXSTZ57OFMJQR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DQPU4I6Q72K6XIXSTZ57OFMJQR","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":"5572dee43b317bd9952ad54a9185d000fcd91175c0901d60ca66df9559e351d3","cross_cats_sorted":["cond-mat.other","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-04-08T13:15:35Z","title_canon_sha256":"94526c597275cdcce190eaa98cc3133a031cdb109ab4ac29d5f58e182958ebaa"},"schema_version":"1.0","source":{"id":"2204.04051","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.04051","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"arxiv_version","alias_value":"2204.04051v1","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.04051","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"pith_short_12","alias_value":"DQPU4I6Q72K6","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"pith_short_16","alias_value":"DQPU4I6Q72K6XIXS","created_at":"2026-07-05T04:12:44Z"},{"alias_kind":"pith_short_8","alias_value":"DQPU4I6Q","created_at":"2026-07-05T04:12:44Z"}],"graph_snapshots":[{"event_id":"sha256:7f551fc175c6a355e5d3f5f51be6078446b7b0278902603929f4c87a5e088f9b","target":"graph","created_at":"2026-07-05T04:12:44Z","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/2204.04051/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The European Spallation Source (ESS), presently under construction in Lund, Sweden, is a multidisciplinary international laboratory that will operate the world's most powerful pulsed neutron source. Supported by a 3M Euro Research and Innovation Action within the EU Horizon 2020 program, a design study (HighNESS) is now underway to develop a second neutron source below the spallation target. Compared to the first source, located above the spallation target and designed for high cold and thermal brightness, the new source will provide higher intensity, and a shift to longer wavelengths in the s","authors_text":"A. Gaye, A. Takibayev, B. Lauritzen, B. Meirose, B. Rataj, C. Happe, D. Campi, D. D. Di Julio, D. Milstead, E.B. Klinkby, E. Diane, F. Mezei, G. Gorini, G. Muhrer, J.I. Marquez Damian, J. R. Selknaes, K. Dunne, K.H. Andersen, K. Ramic, L. Zanini, M. Bernasconi, M. Bertelsen, M. Strobl, M. Strothmann, N. Rizzi, O. Zimmer, P. Fierlinger, P. Willendrup, R. Kolevatov, R. Linander, R. Wagner, S.-C. Yiu, S. Samothrakitis, S. Silverstein, T. Kittelmann, V. Czamler, V. Santoro, Y. Be{\\ss}ler, Z. Kokai","cross_cats":["cond-mat.other","hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-04-08T13:15:35Z","title":"Development of a High Intensity Neutron Source at the European Spallation Source: The HighNESS project"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.04051","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:a2efc59f64ddd58b37ea1716d052d5ae366c90a6cc057819b754458c1801bfef","target":"record","created_at":"2026-07-05T04:12:44Z","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":"5572dee43b317bd9952ad54a9185d000fcd91175c0901d60ca66df9559e351d3","cross_cats_sorted":["cond-mat.other","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-04-08T13:15:35Z","title_canon_sha256":"94526c597275cdcce190eaa98cc3133a031cdb109ab4ac29d5f58e182958ebaa"},"schema_version":"1.0","source":{"id":"2204.04051","kind":"arxiv","version":1}},"canonical_sha256":"1c1f4e23d0fe95eba2f29e7bf715898452a2b98ef948382f4200ebb23e3e66fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c1f4e23d0fe95eba2f29e7bf715898452a2b98ef948382f4200ebb23e3e66fb","first_computed_at":"2026-07-05T04:12:44.876016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:12:44.876016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lMhF97ckA4wvqDZRf8evnH4JMKWniximOlkGgu5T93xg1B+s8rAKvS0rR/jSx5jVEFTf+1CEO8fh0TMgfCcMCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:12:44.876420Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.04051","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2efc59f64ddd58b37ea1716d052d5ae366c90a6cc057819b754458c1801bfef","sha256:7f551fc175c6a355e5d3f5f51be6078446b7b0278902603929f4c87a5e088f9b"],"state_sha256":"4deca5f906eb5f47aa316598097fe0d88222b3d2155c135c0a45a0a9cd26fd91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LSM6Gjyal1Qry9a91kYQhKS/B8WwIlHgKFc6ioMzvmaK0o9ipBnBz4G1JjqRVqhMS4GfshfD2XXNhT6akQRyBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T08:23:31.342752Z","bundle_sha256":"0ae1745c2f4cafe5d417a69cc279cd88f9fb9a8b165fcbfab0284a9111ae2d95"}}