{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:GS7BUYXNJ6Y457WKYTDOAC5WBN","short_pith_number":"pith:GS7BUYXN","canonical_record":{"source":{"id":"2204.00402","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2022-04-01T13:00:43Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"ac7c0d5b7c9e582e4321ddf115588da9a76545f8c37016b4cf547534246e7d3b","abstract_canon_sha256":"fe617755b01ee8995b22488d93cd748cf9799ad425d0584205f7cbcc70e6cc62"},"schema_version":"1.0"},"canonical_sha256":"34be1a62ed4fb1cefecac4c6e00bb60b7f024d0cefcdadcaa2e1e1fc7f93d2d4","source":{"kind":"arxiv","id":"2204.00402","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.00402","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"arxiv_version","alias_value":"2204.00402v1","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.00402","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"pith_short_12","alias_value":"GS7BUYXNJ6Y4","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"pith_short_16","alias_value":"GS7BUYXNJ6Y457WK","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"pith_short_8","alias_value":"GS7BUYXN","created_at":"2026-07-05T06:03:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:GS7BUYXNJ6Y457WKYTDOAC5WBN","target":"record","payload":{"canonical_record":{"source":{"id":"2204.00402","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2022-04-01T13:00:43Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"ac7c0d5b7c9e582e4321ddf115588da9a76545f8c37016b4cf547534246e7d3b","abstract_canon_sha256":"fe617755b01ee8995b22488d93cd748cf9799ad425d0584205f7cbcc70e6cc62"},"schema_version":"1.0"},"canonical_sha256":"34be1a62ed4fb1cefecac4c6e00bb60b7f024d0cefcdadcaa2e1e1fc7f93d2d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:03:53.760215Z","signature_b64":"NMh9lgSNqlZoXaFnx5DPt8/adDsbGKaZHLyxixMa1mE28/jJy7/EUzK+Db+sO2hedCFwjeCaVZp9pvz+RmzuDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34be1a62ed4fb1cefecac4c6e00bb60b7f024d0cefcdadcaa2e1e1fc7f93d2d4","last_reissued_at":"2026-07-05T06:03:53.759790Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:03:53.759790Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.00402","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":"2026-07-05T06:03:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HrSQa4Bxe6bjKSbTJ103qQFzVGPS2LGCOvFDP9Nzx2v37W/B8wZXNjjwZ3qy4T+JFiCFxEBEvCi3lhkf++h9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T02:09:46.385786Z"},"content_sha256":"b6e8ace5a097c3a04bee2f1e5bb7fa5c871a8b05423816588685cd3cd6df07d8","schema_version":"1.0","event_id":"sha256:b6e8ace5a097c3a04bee2f1e5bb7fa5c871a8b05423816588685cd3cd6df07d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:GS7BUYXNJ6Y457WKYTDOAC5WBN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The innovative $^{52g}$Mn for PET imaging: production cross section modeling and dosimetric evaluation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"physics.med-ph","authors_text":"A. Colombi, A. Fontana, F. Barbaro, L. Canton, L. De Nardo, L. Mel\\'endez-Alafort, M.P. Carante","submitted_at":"2022-04-01T13:00:43Z","abstract_excerpt":"Background: Recently, the reaction $^{nat}$V($\\alpha$,x)$^{52g}$Mn has been proposed as a possible alternative to the standard $^{nat}$Cr($p$,x)$^{52g}$Mn one, but improvements in the modeling were needed to better compare the two production routes.\n  Purpose: This work focuses on the development of precise simulations and models to compare the $^{52g}$Mn production from both reactions in terms of amount of activity and radionuclidic purity (RNP), as well as in terms of dose increase (DI) due to the co-produced radioactive contaminants, with respect to a pure $^{52g}$MnCl$_2$ injection.\n  Meth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.00402","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/2204.00402/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":"2026-07-05T06:03:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vtWNGUMnb4D9FJg0R8/2cAkdAWmijM+27DuxdKDrVJ9LCbeUN6UpvCeuhQlQwCci+/fXtBWzqj9rzGFFA0rOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T02:09:46.386159Z"},"content_sha256":"f557d62db499f26f04c1fe79a8d77c839f72bc143de4f8e6985919e01a626b0c","schema_version":"1.0","event_id":"sha256:f557d62db499f26f04c1fe79a8d77c839f72bc143de4f8e6985919e01a626b0c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GS7BUYXNJ6Y457WKYTDOAC5WBN/bundle.json","state_url":"https://pith.science/pith/GS7BUYXNJ6Y457WKYTDOAC5WBN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GS7BUYXNJ6Y457WKYTDOAC5WBN/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":"2026-07-17T02:09:46Z","links":{"resolver":"https://pith.science/pith/GS7BUYXNJ6Y457WKYTDOAC5WBN","bundle":"https://pith.science/pith/GS7BUYXNJ6Y457WKYTDOAC5WBN/bundle.json","state":"https://pith.science/pith/GS7BUYXNJ6Y457WKYTDOAC5WBN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GS7BUYXNJ6Y457WKYTDOAC5WBN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:GS7BUYXNJ6Y457WKYTDOAC5WBN","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":"fe617755b01ee8995b22488d93cd748cf9799ad425d0584205f7cbcc70e6cc62","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2022-04-01T13:00:43Z","title_canon_sha256":"ac7c0d5b7c9e582e4321ddf115588da9a76545f8c37016b4cf547534246e7d3b"},"schema_version":"1.0","source":{"id":"2204.00402","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.00402","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"arxiv_version","alias_value":"2204.00402v1","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.00402","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"pith_short_12","alias_value":"GS7BUYXNJ6Y4","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"pith_short_16","alias_value":"GS7BUYXNJ6Y457WK","created_at":"2026-07-05T06:03:53Z"},{"alias_kind":"pith_short_8","alias_value":"GS7BUYXN","created_at":"2026-07-05T06:03:53Z"}],"graph_snapshots":[{"event_id":"sha256:f557d62db499f26f04c1fe79a8d77c839f72bc143de4f8e6985919e01a626b0c","target":"graph","created_at":"2026-07-05T06:03:53Z","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/2204.00402/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Background: Recently, the reaction $^{nat}$V($\\alpha$,x)$^{52g}$Mn has been proposed as a possible alternative to the standard $^{nat}$Cr($p$,x)$^{52g}$Mn one, but improvements in the modeling were needed to better compare the two production routes.\n  Purpose: This work focuses on the development of precise simulations and models to compare the $^{52g}$Mn production from both reactions in terms of amount of activity and radionuclidic purity (RNP), as well as in terms of dose increase (DI) due to the co-produced radioactive contaminants, with respect to a pure $^{52g}$MnCl$_2$ injection.\n  Meth","authors_text":"A. Colombi, A. Fontana, F. Barbaro, L. Canton, L. De Nardo, L. Mel\\'endez-Alafort, M.P. Carante","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2022-04-01T13:00:43Z","title":"The innovative $^{52g}$Mn for PET imaging: production cross section modeling and dosimetric evaluation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.00402","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:b6e8ace5a097c3a04bee2f1e5bb7fa5c871a8b05423816588685cd3cd6df07d8","target":"record","created_at":"2026-07-05T06:03:53Z","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":"fe617755b01ee8995b22488d93cd748cf9799ad425d0584205f7cbcc70e6cc62","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2022-04-01T13:00:43Z","title_canon_sha256":"ac7c0d5b7c9e582e4321ddf115588da9a76545f8c37016b4cf547534246e7d3b"},"schema_version":"1.0","source":{"id":"2204.00402","kind":"arxiv","version":1}},"canonical_sha256":"34be1a62ed4fb1cefecac4c6e00bb60b7f024d0cefcdadcaa2e1e1fc7f93d2d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34be1a62ed4fb1cefecac4c6e00bb60b7f024d0cefcdadcaa2e1e1fc7f93d2d4","first_computed_at":"2026-07-05T06:03:53.759790Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:03:53.759790Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NMh9lgSNqlZoXaFnx5DPt8/adDsbGKaZHLyxixMa1mE28/jJy7/EUzK+Db+sO2hedCFwjeCaVZp9pvz+RmzuDg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:03:53.760215Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.00402","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6e8ace5a097c3a04bee2f1e5bb7fa5c871a8b05423816588685cd3cd6df07d8","sha256:f557d62db499f26f04c1fe79a8d77c839f72bc143de4f8e6985919e01a626b0c"],"state_sha256":"65407abfe8ce83070b2da77c437ef4991df4334c3139c06ef7da0463e8554aed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yxf5xysUxMxMSleKt8IcL9Yv3a/FEWPKcc/j3yoNvolc9BCyxz/dpOpDLf2n2FH8aJ7yQCx6Y0kKYcY2bpWpCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T02:09:46.388212Z","bundle_sha256":"3252c30f0445281e51b3418bcca08df86e291f13b909b2674cbdd919f6f91d87"}}