{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:PQZPTKT5GVRP3B5ZFE3QI3NVAD","short_pith_number":"pith:PQZPTKT5","canonical_record":{"source":{"id":"2011.13623","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-11-27T09:27:22Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"70fbd43f1dd24e644973fbb8a7de3ed5d81c937b5d9fdaa5d989e9cd387b92dc","abstract_canon_sha256":"bc7481beff85f6e6c526b9fe8081c7a5ab56e9e58852b5a3256e41839f6ad7de"},"schema_version":"1.0"},"canonical_sha256":"7c32f9aa7d3562fd87b92937046db500e1f00c284bf15f55669e95dfeb1f6f8a","source":{"kind":"arxiv","id":"2011.13623","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.13623","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"arxiv_version","alias_value":"2011.13623v1","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.13623","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"pith_short_12","alias_value":"PQZPTKT5GVRP","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"pith_short_16","alias_value":"PQZPTKT5GVRP3B5Z","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"pith_short_8","alias_value":"PQZPTKT5","created_at":"2026-07-05T01:54:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:PQZPTKT5GVRP3B5ZFE3QI3NVAD","target":"record","payload":{"canonical_record":{"source":{"id":"2011.13623","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-11-27T09:27:22Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"70fbd43f1dd24e644973fbb8a7de3ed5d81c937b5d9fdaa5d989e9cd387b92dc","abstract_canon_sha256":"bc7481beff85f6e6c526b9fe8081c7a5ab56e9e58852b5a3256e41839f6ad7de"},"schema_version":"1.0"},"canonical_sha256":"7c32f9aa7d3562fd87b92937046db500e1f00c284bf15f55669e95dfeb1f6f8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:54:56.506262Z","signature_b64":"ZouIlrpMAr2VpLodE3YlKouDNqZsAmrBL50PpCJRz1VVATt7SfIiELECJMyeiRQBaubkl6s6Zu8WzdX5i5wGDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c32f9aa7d3562fd87b92937046db500e1f00c284bf15f55669e95dfeb1f6f8a","last_reissued_at":"2026-07-05T01:54:56.505773Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:54:56.505773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.13623","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":"2026-07-05T01:54:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RnlRKbojJxXzdNMDdkp2CvCEzT0kDWyp7b7NJyxiNkF0NaCKMtb5KlSyQ3c9BOQS/+hXecWpdL0uFm2f9U6jDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:48:50.199973Z"},"content_sha256":"876c713cb14611a23fbb08e008dbefa128c230347522cb3cad87dfbccd950388","schema_version":"1.0","event_id":"sha256:876c713cb14611a23fbb08e008dbefa128c230347522cb3cad87dfbccd950388"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:PQZPTKT5GVRP3B5ZFE3QI3NVAD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A quasi-monoenergetic short time duration compact proton source for probing high energy density states of matter","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.plasm-ph","authors_text":"C. McGuffey, D. Batani, D. De Luis, F. Beg, G.Gatti, J.A. Perez-Hernandez, J. Balboa, J.I. Api\\~naniz, J.J.Santos, K. Bhutwala, L. Roso, L. Volpe, M. Bailly-Grandvaux, R. Fedosejevs, S. Malko, V. Ospina-Bohorquez, W. Cayzac, X. Vaisseau","submitted_at":"2020-11-27T09:27:22Z","abstract_excerpt":"We report on the development of a highly directional, narrow energy band, short time duration proton beam operating at high repetition rate, suitable for measurements of stopping power in high energy density plasmas as well as other applications. The protons are generated with an ultrashort-pulse laser interacting with a solid target and converted to a pencil-like narrow-band beam using a compact magnet-based energy selector. We experimentally demonstrate the production of a proton beam with an energy of 500 keV and energy spread well below 10%, and a pulse duration of 260 ps. The energy loss "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.13623","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/2011.13623/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":"2026-07-05T01:54:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IRHilG5jTVRaocB6/7KTo/5HtPBVC+U5Kw1QXVgPuyA+V/OItTSSRXwiJId+6esUoCiw6T/2VrJI0vLy1KAPBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:48:50.200643Z"},"content_sha256":"498d8c496f436916e85cd17bf2e6619b6e2e4da240a68d8fa66e1f15461a167f","schema_version":"1.0","event_id":"sha256:498d8c496f436916e85cd17bf2e6619b6e2e4da240a68d8fa66e1f15461a167f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PQZPTKT5GVRP3B5ZFE3QI3NVAD/bundle.json","state_url":"https://pith.science/pith/PQZPTKT5GVRP3B5ZFE3QI3NVAD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PQZPTKT5GVRP3B5ZFE3QI3NVAD/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":"2026-07-07T07:48:50Z","links":{"resolver":"https://pith.science/pith/PQZPTKT5GVRP3B5ZFE3QI3NVAD","bundle":"https://pith.science/pith/PQZPTKT5GVRP3B5ZFE3QI3NVAD/bundle.json","state":"https://pith.science/pith/PQZPTKT5GVRP3B5ZFE3QI3NVAD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PQZPTKT5GVRP3B5ZFE3QI3NVAD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:PQZPTKT5GVRP3B5ZFE3QI3NVAD","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":"bc7481beff85f6e6c526b9fe8081c7a5ab56e9e58852b5a3256e41839f6ad7de","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-11-27T09:27:22Z","title_canon_sha256":"70fbd43f1dd24e644973fbb8a7de3ed5d81c937b5d9fdaa5d989e9cd387b92dc"},"schema_version":"1.0","source":{"id":"2011.13623","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.13623","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"arxiv_version","alias_value":"2011.13623v1","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.13623","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"pith_short_12","alias_value":"PQZPTKT5GVRP","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"pith_short_16","alias_value":"PQZPTKT5GVRP3B5Z","created_at":"2026-07-05T01:54:56Z"},{"alias_kind":"pith_short_8","alias_value":"PQZPTKT5","created_at":"2026-07-05T01:54:56Z"}],"graph_snapshots":[{"event_id":"sha256:498d8c496f436916e85cd17bf2e6619b6e2e4da240a68d8fa66e1f15461a167f","target":"graph","created_at":"2026-07-05T01:54:56Z","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/2011.13623/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on the development of a highly directional, narrow energy band, short time duration proton beam operating at high repetition rate, suitable for measurements of stopping power in high energy density plasmas as well as other applications. The protons are generated with an ultrashort-pulse laser interacting with a solid target and converted to a pencil-like narrow-band beam using a compact magnet-based energy selector. We experimentally demonstrate the production of a proton beam with an energy of 500 keV and energy spread well below 10%, and a pulse duration of 260 ps. The energy loss ","authors_text":"C. McGuffey, D. Batani, D. De Luis, F. Beg, G.Gatti, J.A. Perez-Hernandez, J. Balboa, J.I. Api\\~naniz, J.J.Santos, K. Bhutwala, L. Roso, L. Volpe, M. Bailly-Grandvaux, R. Fedosejevs, S. Malko, V. Ospina-Bohorquez, W. Cayzac, X. Vaisseau","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-11-27T09:27:22Z","title":"A quasi-monoenergetic short time duration compact proton source for probing high energy density states of matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.13623","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":"sha256:876c713cb14611a23fbb08e008dbefa128c230347522cb3cad87dfbccd950388","target":"record","created_at":"2026-07-05T01:54:56Z","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":"bc7481beff85f6e6c526b9fe8081c7a5ab56e9e58852b5a3256e41839f6ad7de","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-11-27T09:27:22Z","title_canon_sha256":"70fbd43f1dd24e644973fbb8a7de3ed5d81c937b5d9fdaa5d989e9cd387b92dc"},"schema_version":"1.0","source":{"id":"2011.13623","kind":"arxiv","version":1}},"canonical_sha256":"7c32f9aa7d3562fd87b92937046db500e1f00c284bf15f55669e95dfeb1f6f8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c32f9aa7d3562fd87b92937046db500e1f00c284bf15f55669e95dfeb1f6f8a","first_computed_at":"2026-07-05T01:54:56.505773Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:54:56.505773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZouIlrpMAr2VpLodE3YlKouDNqZsAmrBL50PpCJRz1VVATt7SfIiELECJMyeiRQBaubkl6s6Zu8WzdX5i5wGDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:54:56.506262Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.13623","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:876c713cb14611a23fbb08e008dbefa128c230347522cb3cad87dfbccd950388","sha256:498d8c496f436916e85cd17bf2e6619b6e2e4da240a68d8fa66e1f15461a167f"],"state_sha256":"7d7b2b8016b025213eddf57fb563b3bf4e7341cf66407aa9f2f3e0711c0678ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUD5IJoUahrlBmYbsGAkESTGT1v9q/u+cr2CxPbeAOvWBbOaMrQG3Ja16GzLjVEtkWyTdKHz1d+WRDaaOe6cCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T07:48:50.203727Z","bundle_sha256":"c03af1e22e441deee30cd173db32e652735f05c4125d588438eff5f5cc0b32c2"}}