{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:PYBOTERT2WMSWOLAMHJ42T2BER","short_pith_number":"pith:PYBOTERT","canonical_record":{"source":{"id":"2203.08357","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2022-03-16T02:29:07Z","cross_cats_sorted":[],"title_canon_sha256":"56c091f3448c1f2706c3d80d798768821614da599150aaa492bd06ab0dc92cde","abstract_canon_sha256":"e6191f04574b90790456b2888cb1223fe93a8a24989860df8146cfba0f5861e8"},"schema_version":"1.0"},"canonical_sha256":"7e02e99233d5992b396061d3cd4f412466c33373489cee52b390a6b927020358","source":{"kind":"arxiv","id":"2203.08357","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.08357","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"arxiv_version","alias_value":"2203.08357v1","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.08357","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"pith_short_12","alias_value":"PYBOTERT2WMS","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"pith_short_16","alias_value":"PYBOTERT2WMSWOLA","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"pith_short_8","alias_value":"PYBOTERT","created_at":"2026-07-05T04:06:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:PYBOTERT2WMSWOLAMHJ42T2BER","target":"record","payload":{"canonical_record":{"source":{"id":"2203.08357","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2022-03-16T02:29:07Z","cross_cats_sorted":[],"title_canon_sha256":"56c091f3448c1f2706c3d80d798768821614da599150aaa492bd06ab0dc92cde","abstract_canon_sha256":"e6191f04574b90790456b2888cb1223fe93a8a24989860df8146cfba0f5861e8"},"schema_version":"1.0"},"canonical_sha256":"7e02e99233d5992b396061d3cd4f412466c33373489cee52b390a6b927020358","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:06:03.564206Z","signature_b64":"/brVr9bs4wL8ZBgzEgjOSebgPoJCeleCcM5brjqFLXeZ4/s8K/zwQdOY95uLoMxHWTCCaKbPAxc2+7kVnQpOBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e02e99233d5992b396061d3cd4f412466c33373489cee52b390a6b927020358","last_reissued_at":"2026-07-05T04:06:03.563811Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:06:03.563811Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.08357","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":"2026-07-05T04:06:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PjQFXyrP6wZJo5uvFmaBgI20HJkK/Wm9KaPTabidr9aTyCpgBW+LCIpjKE5Ns7KXtufcPbuELTWk/4zxEXxlDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:29:32.635640Z"},"content_sha256":"c71372d2c6bb4f5250245aaa8f62d1646b5b40b44f2c93882a1fb27e53a86c75","schema_version":"1.0","event_id":"sha256:c71372d2c6bb4f5250245aaa8f62d1646b5b40b44f2c93882a1fb27e53a86c75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:PYBOTERT2WMSWOLAMHJ42T2BER","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Novel Materials and Concepts for Next-Generation High Power Target Applications","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Adrien Couet, Antonio Perillo-Marcone, Bernie Riemer, Charlotte Barbier, Chris Rogers, Christopher Densham, Cyrille Thomas, Dan Wilcox, David Jenkins, David Pushka, Eiichi Wakai, Eric Harvey-Fishenden, Francois-Xavier Nuiry, Frederique Pellemoine, Gunter Muhrer, Jian Gao, Jie Wei, Joe O'Dell, Katsuya Yonehara, Kavin Ammigan, Marco Calviani, Marc Reaume, Michael Fitton, Michael Larmann, Michael LaVere, Michael Moorehead, Michael Wohlmuther, Nathan Bultman, Peter Loveridge, Robert Zwaska, Shunsuke Makimura, Simone Gilardoni, Sujit Bidhar, Taku Ishida, Thomas Shea, Tristan Davenne, Vitaly Pronskikh, Wolfgang Mittig, Ying Xu","submitted_at":"2022-03-16T02:29:07Z","abstract_excerpt":"Novel beam-intercepting materials and targetry concepts are essential to improve the performance, reliability and operation lifetimes of next generation multi-megawatt (multi-MW) accelerator target facilities. The beam-intercepting materials and components must sustain an order-of-magnitude increase in particle beam intensities and are beyond the current state-of-the-art. With conventional materials already limiting the scope of experiments, it is crucial to investigate novel target materials, technologies and concepts that will satisfy the requirements and maximize the physics benefits of fut"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.08357","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/2203.08357/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":"2026-07-05T04:06:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Xov18rS8OCinQAjMK/jYKsC5Bbo4Mwz2tcSk8VXgB52McF2CALcs3eQVfjgrFyz0hmxVj+a0fzWlwa2fpIHAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:29:32.636011Z"},"content_sha256":"3b452dca94d0b70fa7cf463fe2f35b070a94cdcd530386777075699328fbb433","schema_version":"1.0","event_id":"sha256:3b452dca94d0b70fa7cf463fe2f35b070a94cdcd530386777075699328fbb433"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PYBOTERT2WMSWOLAMHJ42T2BER/bundle.json","state_url":"https://pith.science/pith/PYBOTERT2WMSWOLAMHJ42T2BER/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PYBOTERT2WMSWOLAMHJ42T2BER/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":"2026-07-07T11:29:32Z","links":{"resolver":"https://pith.science/pith/PYBOTERT2WMSWOLAMHJ42T2BER","bundle":"https://pith.science/pith/PYBOTERT2WMSWOLAMHJ42T2BER/bundle.json","state":"https://pith.science/pith/PYBOTERT2WMSWOLAMHJ42T2BER/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PYBOTERT2WMSWOLAMHJ42T2BER/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:PYBOTERT2WMSWOLAMHJ42T2BER","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":"e6191f04574b90790456b2888cb1223fe93a8a24989860df8146cfba0f5861e8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2022-03-16T02:29:07Z","title_canon_sha256":"56c091f3448c1f2706c3d80d798768821614da599150aaa492bd06ab0dc92cde"},"schema_version":"1.0","source":{"id":"2203.08357","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.08357","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"arxiv_version","alias_value":"2203.08357v1","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.08357","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"pith_short_12","alias_value":"PYBOTERT2WMS","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"pith_short_16","alias_value":"PYBOTERT2WMSWOLA","created_at":"2026-07-05T04:06:03Z"},{"alias_kind":"pith_short_8","alias_value":"PYBOTERT","created_at":"2026-07-05T04:06:03Z"}],"graph_snapshots":[{"event_id":"sha256:3b452dca94d0b70fa7cf463fe2f35b070a94cdcd530386777075699328fbb433","target":"graph","created_at":"2026-07-05T04:06:03Z","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/2203.08357/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Novel beam-intercepting materials and targetry concepts are essential to improve the performance, reliability and operation lifetimes of next generation multi-megawatt (multi-MW) accelerator target facilities. The beam-intercepting materials and components must sustain an order-of-magnitude increase in particle beam intensities and are beyond the current state-of-the-art. With conventional materials already limiting the scope of experiments, it is crucial to investigate novel target materials, technologies and concepts that will satisfy the requirements and maximize the physics benefits of fut","authors_text":"Adrien Couet, Antonio Perillo-Marcone, Bernie Riemer, Charlotte Barbier, Chris Rogers, Christopher Densham, Cyrille Thomas, Dan Wilcox, David Jenkins, David Pushka, Eiichi Wakai, Eric Harvey-Fishenden, Francois-Xavier Nuiry, Frederique Pellemoine, Gunter Muhrer, Jian Gao, Jie Wei, Joe O'Dell, Katsuya Yonehara, Kavin Ammigan, Marco Calviani, Marc Reaume, Michael Fitton, Michael Larmann, Michael LaVere, Michael Moorehead, Michael Wohlmuther, Nathan Bultman, Peter Loveridge, Robert Zwaska, Shunsuke Makimura, Simone Gilardoni, Sujit Bidhar, Taku Ishida, Thomas Shea, Tristan Davenne, Vitaly Pronskikh, Wolfgang Mittig, Ying Xu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2022-03-16T02:29:07Z","title":"Novel Materials and Concepts for Next-Generation High Power Target Applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.08357","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:c71372d2c6bb4f5250245aaa8f62d1646b5b40b44f2c93882a1fb27e53a86c75","target":"record","created_at":"2026-07-05T04:06:03Z","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":"e6191f04574b90790456b2888cb1223fe93a8a24989860df8146cfba0f5861e8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2022-03-16T02:29:07Z","title_canon_sha256":"56c091f3448c1f2706c3d80d798768821614da599150aaa492bd06ab0dc92cde"},"schema_version":"1.0","source":{"id":"2203.08357","kind":"arxiv","version":1}},"canonical_sha256":"7e02e99233d5992b396061d3cd4f412466c33373489cee52b390a6b927020358","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e02e99233d5992b396061d3cd4f412466c33373489cee52b390a6b927020358","first_computed_at":"2026-07-05T04:06:03.563811Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:06:03.563811Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/brVr9bs4wL8ZBgzEgjOSebgPoJCeleCcM5brjqFLXeZ4/s8K/zwQdOY95uLoMxHWTCCaKbPAxc2+7kVnQpOBg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:06:03.564206Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.08357","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c71372d2c6bb4f5250245aaa8f62d1646b5b40b44f2c93882a1fb27e53a86c75","sha256:3b452dca94d0b70fa7cf463fe2f35b070a94cdcd530386777075699328fbb433"],"state_sha256":"0453c114b84be0997096c483e3c5c15560bf04ba5affc5ff513719e3fa882cca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nmNMi8qkGOuZIKyRYHx0+zZxBVdZY8FRDSTmyvDBWhNttSQt/lvwlrD06u2nAWEc3SFR5Thmtee37bZO5yV7Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:29:32.637878Z","bundle_sha256":"53b3f242673f4ba79fb8b98ee72bb98d1993b0d5a3b354fee0c29f0898a83219"}}