{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:4MVBD7UPWQGTO5IVVBJACX3NRM","short_pith_number":"pith:4MVBD7UP","canonical_record":{"source":{"id":"1102.2848","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-02-14T18:33:52Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"a0b07854911c85c200f8ea2fabe012cb1ce2599422bca93b177a327ae023e1e2","abstract_canon_sha256":"66b2d314f7d1ae396a4b11c330216d7611776d6730c03e4846faad91aa75fa23"},"schema_version":"1.0"},"canonical_sha256":"e32a11fe8fb40d377515a852015f6d8b33ebf72be0f999989cfbcd75112fec6e","source":{"kind":"arxiv","id":"1102.2848","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.2848","created_at":"2026-05-18T04:25:12Z"},{"alias_kind":"arxiv_version","alias_value":"1102.2848v1","created_at":"2026-05-18T04:25:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2848","created_at":"2026-05-18T04:25:12Z"},{"alias_kind":"pith_short_12","alias_value":"4MVBD7UPWQGT","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4MVBD7UPWQGTO5IV","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4MVBD7UP","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:4MVBD7UPWQGTO5IVVBJACX3NRM","target":"record","payload":{"canonical_record":{"source":{"id":"1102.2848","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-02-14T18:33:52Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"a0b07854911c85c200f8ea2fabe012cb1ce2599422bca93b177a327ae023e1e2","abstract_canon_sha256":"66b2d314f7d1ae396a4b11c330216d7611776d6730c03e4846faad91aa75fa23"},"schema_version":"1.0"},"canonical_sha256":"e32a11fe8fb40d377515a852015f6d8b33ebf72be0f999989cfbcd75112fec6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:25:12.716409Z","signature_b64":"KTZQOf4tEHOCs0jlsvJ6M369nZx+6mtALwbI0vuyxUsafuVEzeqFEpKclOzcMzRLM8bgPGYXx3hXVTYCkegrCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e32a11fe8fb40d377515a852015f6d8b33ebf72be0f999989cfbcd75112fec6e","last_reissued_at":"2026-05-18T04:25:12.715733Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:25:12.715733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.2848","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":"2026-05-18T04:25:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j8uB+mXlimDjpDMhVvEd+UWZ16752DioHQT7pHTcahUPhTHLQqAX5/wkBkK1Z+TSqwyBz00dJ2x8uCrcsCDoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:30:59.326560Z"},"content_sha256":"ce0807dc9d3e51e4aa84f622fa4a56a07b27794abc9a7307d02fe54722c923d2","schema_version":"1.0","event_id":"sha256:ce0807dc9d3e51e4aa84f622fa4a56a07b27794abc9a7307d02fe54722c923d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:4MVBD7UPWQGTO5IVVBJACX3NRM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fragmentation of 14-N, 16-O, 20-Ne, and 24-Mg Nuclei at 290 to 1000 MeV/nucleon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Fukumura, C. Zeitlin, J. Miller, L. Heilbronn, R. Norman, S. Blattnig, S. Guetersloh, S. Mashnik, T. Murakami, Y. Iwata","submitted_at":"2011-02-14T18:33:52Z","abstract_excerpt":"We report fragmentation cross sections measured at 0 deg for beams of 14-N, 16-O, 20-Ne, and 24-Mg ions, at energies ranging from 290 MeV/nucleon to 1000 MeV/nucleon. Beams were incident on targets of C, CH2, Al, Cu, Sn, and Pb, with the C and CH2 target data used to obtain hydrogen-target cross sections. Using methods established in earlier work, cross sections obtained with both large-acceptance and small-acceptance detectors are extracted from the data and when necessary corrected for acceptance effects. The large-acceptance data yield cross sections for fragments with charges approximately"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2848","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":""},"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":"2026-05-18T04:25:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dRmTvCrtp7z6EXdU7mE2FDbd3z2TnYtNGZxQVZde8MKGjAYR8r900fVgjM6Z8xZDZa+lA70JxfkLnkFusKd/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:30:59.327030Z"},"content_sha256":"6a7f93d9d00ee604aa8c4410f2d52bac8c9582e5d5a97336ae6f91a8f9a00a34","schema_version":"1.0","event_id":"sha256:6a7f93d9d00ee604aa8c4410f2d52bac8c9582e5d5a97336ae6f91a8f9a00a34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4MVBD7UPWQGTO5IVVBJACX3NRM/bundle.json","state_url":"https://pith.science/pith/4MVBD7UPWQGTO5IVVBJACX3NRM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4MVBD7UPWQGTO5IVVBJACX3NRM/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":"2026-08-10T19:30:59Z","links":{"resolver":"https://pith.science/pith/4MVBD7UPWQGTO5IVVBJACX3NRM","bundle":"https://pith.science/pith/4MVBD7UPWQGTO5IVVBJACX3NRM/bundle.json","state":"https://pith.science/pith/4MVBD7UPWQGTO5IVVBJACX3NRM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4MVBD7UPWQGTO5IVVBJACX3NRM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4MVBD7UPWQGTO5IVVBJACX3NRM","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":"66b2d314f7d1ae396a4b11c330216d7611776d6730c03e4846faad91aa75fa23","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-02-14T18:33:52Z","title_canon_sha256":"a0b07854911c85c200f8ea2fabe012cb1ce2599422bca93b177a327ae023e1e2"},"schema_version":"1.0","source":{"id":"1102.2848","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.2848","created_at":"2026-05-18T04:25:12Z"},{"alias_kind":"arxiv_version","alias_value":"1102.2848v1","created_at":"2026-05-18T04:25:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2848","created_at":"2026-05-18T04:25:12Z"},{"alias_kind":"pith_short_12","alias_value":"4MVBD7UPWQGT","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4MVBD7UPWQGTO5IV","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4MVBD7UP","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:6a7f93d9d00ee604aa8c4410f2d52bac8c9582e5d5a97336ae6f91a8f9a00a34","target":"graph","created_at":"2026-05-18T04:25:12Z","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"},"paper":{"abstract_excerpt":"We report fragmentation cross sections measured at 0 deg for beams of 14-N, 16-O, 20-Ne, and 24-Mg ions, at energies ranging from 290 MeV/nucleon to 1000 MeV/nucleon. Beams were incident on targets of C, CH2, Al, Cu, Sn, and Pb, with the C and CH2 target data used to obtain hydrogen-target cross sections. Using methods established in earlier work, cross sections obtained with both large-acceptance and small-acceptance detectors are extracted from the data and when necessary corrected for acceptance effects. The large-acceptance data yield cross sections for fragments with charges approximately","authors_text":"A. Fukumura, C. Zeitlin, J. Miller, L. Heilbronn, R. Norman, S. Blattnig, S. Guetersloh, S. Mashnik, T. Murakami, Y. Iwata","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-02-14T18:33:52Z","title":"Fragmentation of 14-N, 16-O, 20-Ne, and 24-Mg Nuclei at 290 to 1000 MeV/nucleon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2848","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:ce0807dc9d3e51e4aa84f622fa4a56a07b27794abc9a7307d02fe54722c923d2","target":"record","created_at":"2026-05-18T04:25:12Z","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":"66b2d314f7d1ae396a4b11c330216d7611776d6730c03e4846faad91aa75fa23","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-02-14T18:33:52Z","title_canon_sha256":"a0b07854911c85c200f8ea2fabe012cb1ce2599422bca93b177a327ae023e1e2"},"schema_version":"1.0","source":{"id":"1102.2848","kind":"arxiv","version":1}},"canonical_sha256":"e32a11fe8fb40d377515a852015f6d8b33ebf72be0f999989cfbcd75112fec6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e32a11fe8fb40d377515a852015f6d8b33ebf72be0f999989cfbcd75112fec6e","first_computed_at":"2026-05-18T04:25:12.715733Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:25:12.715733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KTZQOf4tEHOCs0jlsvJ6M369nZx+6mtALwbI0vuyxUsafuVEzeqFEpKclOzcMzRLM8bgPGYXx3hXVTYCkegrCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:25:12.716409Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.2848","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce0807dc9d3e51e4aa84f622fa4a56a07b27794abc9a7307d02fe54722c923d2","sha256:6a7f93d9d00ee604aa8c4410f2d52bac8c9582e5d5a97336ae6f91a8f9a00a34"],"state_sha256":"6de1388c0e3488e093ffabd7392694f4a383c871954c441c3e3f4b852e1ef637"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ciJssYFlJAGUkiVuJ2s7Bh39Bpw26f2CrvN+7eTtVrK70+c7BdYLGfjdNsiCENstCY9khnAPpevyUhqb3g80Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T19:30:59.330680Z","bundle_sha256":"c828a6036e918f7261e23383fcb1232f555c8b46dac2f7778544f52e53837506"}}