{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6IJ4FQ7SNCFUOSVPXJRJBJN3VG","short_pith_number":"pith:6IJ4FQ7S","canonical_record":{"source":{"id":"1904.01148","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-04-02T00:03:29Z","cross_cats_sorted":[],"title_canon_sha256":"d37afeb324fd88811d537ab2638c8f1b23d147410b15e0a2396142ef01da3ce0","abstract_canon_sha256":"ffdd789dac8e7f63db1f3c97a22d62071d5d36fef346fce98f006a0cdef2bc78"},"schema_version":"1.0"},"canonical_sha256":"f213c2c3f2688b474aafba6290a5bba98b4218d9b7344cc5caf75e751b3c7986","source":{"kind":"arxiv","id":"1904.01148","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.01148","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"arxiv_version","alias_value":"1904.01148v3","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.01148","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"pith_short_12","alias_value":"6IJ4FQ7SNCFU","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6IJ4FQ7SNCFUOSVP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6IJ4FQ7S","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6IJ4FQ7SNCFUOSVPXJRJBJN3VG","target":"record","payload":{"canonical_record":{"source":{"id":"1904.01148","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-04-02T00:03:29Z","cross_cats_sorted":[],"title_canon_sha256":"d37afeb324fd88811d537ab2638c8f1b23d147410b15e0a2396142ef01da3ce0","abstract_canon_sha256":"ffdd789dac8e7f63db1f3c97a22d62071d5d36fef346fce98f006a0cdef2bc78"},"schema_version":"1.0"},"canonical_sha256":"f213c2c3f2688b474aafba6290a5bba98b4218d9b7344cc5caf75e751b3c7986","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:58.320281Z","signature_b64":"yEffy8S3KUpx6H83wS096DRtQyi/X4IB5NW5u0iy0weIBEi/AJkvgi3xKg0fEPema9vsJ4nFNvhOg3xxc8FMDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f213c2c3f2688b474aafba6290a5bba98b4218d9b7344cc5caf75e751b3c7986","last_reissued_at":"2026-05-17T23:42:58.319681Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:58.319681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.01148","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:42:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fBrS7X/7Ub+WTBVgY7L67ekjYtj00nmjml9+aziNymducHKwaHapm3+9owFk+SPJyx7L8R5mGTU3ufaV5JKEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T21:23:34.804414Z"},"content_sha256":"bb818dae97cffa7cdb9aebd656a229bab7d25662055cbe2c3f5eef7c43955716","schema_version":"1.0","event_id":"sha256:bb818dae97cffa7cdb9aebd656a229bab7d25662055cbe2c3f5eef7c43955716"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6IJ4FQ7SNCFUOSVPXJRJBJN3VG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of neutron production in atmospheric neutrino interactions at the Sudbury Neutrino Observatory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Bellerive, A. B. McDonald, A. E. Anthony, A. Hime, A. J. Noble, A. Kruger, A. L. Hallin, A. Mastbaum, A. W. P. Poon, A. Wright, B. A. VanDevender, B. Beltran, B. Cai, B. C. Robertson, B. G. Nickel, B. Jamieson, B. J. Land, B. L. Wall, B. Monreal, B. T. Cleveland, C. B. Krauss, C. C. M. Kyba, C. E. Okada, C. Howard, C. J. Virtue, C. Kraus, D. Chauhan, D. L. Wark, D. Sinclair, D. Waller, E. D. Hallman, E. Guillian, E. J. Callaghan, E. W. Beier, F. B. Descamps, F. Fleurot, F. Zhang, G. A. Cox, G. D. Orebi Gann, G. Doucas, G. Prior, G. Tesic, G. T. Ewan, H. B. Mak, H. C. Evans, H. Deng, H. Fergani, H. M. O'Keeffe, H. Wan Chan Tseung, I. Levine, I. T. Lawson, J. A. Detwiler, J. A. Formaggio, J. A. Secrest, J. Caravaca, J. C. Loach, J. Farine, J. F. Wilkerson, J. Heise, J. Law, J. Maneira, J. Monroe, J. R. Klein, J. R. Leslie, J. R. Wilson, J. Singh, J. TM. Goon, J. Wendland, K. Boudjemline, K. Gilje, K. Graham, K. J. Keeter, K. Rielage, K. T. Lesko, K. Zuber, L. C. Stonehill, L. L. Kormos, M. Bergevin, M. Chen, M. Dunford, M. G. Boulay, M. H. Schwendener, M. Huang, M. Jerkins, M. Kos, M. L. Miller, M. Smiley, M. Yeh, N. A. Jelley, N. Barros, N. Gagnon, N. McCauley, N. S. Oblath, N. Tolich, N. West, O. Simard, P. Jagam, P. J. Doe, P. J. Harvey, P.-L. Drouin, P. Skensved, R. A. Ott, R. Bonventre, R. D. Martin, R. G. H. Robertson, R. Hazama, R. J. Ford, R. Lange, R. L. Hahn, R. L. Helmer, R. MacLellan, R. Van Berg, R. W. Ollerhead, S. D. Biller, S. D. Reitzner, S. Habib, S. J. M. Peeters, S. Majerus, S. M. Oser, S. N. Ahmed, SNO Collaboration: B. Aharmim, S. R. Elliott, S. R. McGee, S. R. Seibert, T. J. Sonley, T. Kutter, T. Tsui, T. Winchester, W. J. Heintzelman, X. Dai, Y. D. Chan","submitted_at":"2019-04-02T00:03:29Z","abstract_excerpt":"Neutron production in GeV-scale neutrino interactions is a poorly studied process. We have measured the neutron multiplicities in atmospheric neutrino interactions in the Sudbury Neutrino Observatory experiment and compared them to the prediction of a Monte Carlo simulation using GENIE and a minimally modified version of GEANT4. We analyzed 837 days of exposure corresponding to Phase I, using pure heavy water, and Phase II, using a mixture of Cl in heavy water. Neutrons produced in atmospheric neutrino interactions were identified with an efficiency of $15.3\\%$ and $44.3\\%$, for Phase I and II"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.01148","kind":"arxiv","version":3},"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":"2026-05-17T23:42:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8oHArT7JpGlkSGczKfaBR7rH+JXODr6w40oC6waL9B6Ij72xBUMtnXRCo2uNACQhhtHMSpyQQkQhGcVXn5B0CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T21:23:34.805167Z"},"content_sha256":"41c6fb97ffecfd13adfbc7ffb267953bb0cf15c6bf3871833496c10d7c0b8f3e","schema_version":"1.0","event_id":"sha256:41c6fb97ffecfd13adfbc7ffb267953bb0cf15c6bf3871833496c10d7c0b8f3e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6IJ4FQ7SNCFUOSVPXJRJBJN3VG/bundle.json","state_url":"https://pith.science/pith/6IJ4FQ7SNCFUOSVPXJRJBJN3VG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6IJ4FQ7SNCFUOSVPXJRJBJN3VG/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":"2026-05-24T21:23:34Z","links":{"resolver":"https://pith.science/pith/6IJ4FQ7SNCFUOSVPXJRJBJN3VG","bundle":"https://pith.science/pith/6IJ4FQ7SNCFUOSVPXJRJBJN3VG/bundle.json","state":"https://pith.science/pith/6IJ4FQ7SNCFUOSVPXJRJBJN3VG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6IJ4FQ7SNCFUOSVPXJRJBJN3VG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6IJ4FQ7SNCFUOSVPXJRJBJN3VG","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":"ffdd789dac8e7f63db1f3c97a22d62071d5d36fef346fce98f006a0cdef2bc78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-04-02T00:03:29Z","title_canon_sha256":"d37afeb324fd88811d537ab2638c8f1b23d147410b15e0a2396142ef01da3ce0"},"schema_version":"1.0","source":{"id":"1904.01148","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.01148","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"arxiv_version","alias_value":"1904.01148v3","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.01148","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"pith_short_12","alias_value":"6IJ4FQ7SNCFU","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6IJ4FQ7SNCFUOSVP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6IJ4FQ7S","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:41c6fb97ffecfd13adfbc7ffb267953bb0cf15c6bf3871833496c10d7c0b8f3e","target":"graph","created_at":"2026-05-17T23:42:58Z","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":"Neutron production in GeV-scale neutrino interactions is a poorly studied process. We have measured the neutron multiplicities in atmospheric neutrino interactions in the Sudbury Neutrino Observatory experiment and compared them to the prediction of a Monte Carlo simulation using GENIE and a minimally modified version of GEANT4. We analyzed 837 days of exposure corresponding to Phase I, using pure heavy water, and Phase II, using a mixture of Cl in heavy water. Neutrons produced in atmospheric neutrino interactions were identified with an efficiency of $15.3\\%$ and $44.3\\%$, for Phase I and II","authors_text":"A. Bellerive, A. B. McDonald, A. E. Anthony, A. Hime, A. J. Noble, A. Kruger, A. L. Hallin, A. Mastbaum, A. W. P. Poon, A. Wright, B. A. VanDevender, B. Beltran, B. Cai, B. C. Robertson, B. G. Nickel, B. Jamieson, B. J. Land, B. L. Wall, B. Monreal, B. T. Cleveland, C. B. Krauss, C. C. M. Kyba, C. E. Okada, C. Howard, C. J. Virtue, C. Kraus, D. Chauhan, D. L. Wark, D. Sinclair, D. Waller, E. D. Hallman, E. Guillian, E. J. Callaghan, E. W. Beier, F. B. Descamps, F. Fleurot, F. Zhang, G. A. Cox, G. D. Orebi Gann, G. Doucas, G. Prior, G. Tesic, G. T. Ewan, H. B. Mak, H. C. Evans, H. Deng, H. Fergani, H. M. O'Keeffe, H. Wan Chan Tseung, I. Levine, I. T. Lawson, J. A. Detwiler, J. A. Formaggio, J. A. Secrest, J. Caravaca, J. C. Loach, J. Farine, J. F. Wilkerson, J. Heise, J. Law, J. Maneira, J. Monroe, J. R. Klein, J. R. Leslie, J. R. Wilson, J. Singh, J. TM. Goon, J. Wendland, K. Boudjemline, K. Gilje, K. Graham, K. J. Keeter, K. Rielage, K. T. Lesko, K. Zuber, L. C. Stonehill, L. L. Kormos, M. Bergevin, M. Chen, M. Dunford, M. G. Boulay, M. H. Schwendener, M. Huang, M. Jerkins, M. Kos, M. L. Miller, M. Smiley, M. Yeh, N. A. Jelley, N. Barros, N. Gagnon, N. McCauley, N. S. Oblath, N. Tolich, N. West, O. Simard, P. Jagam, P. J. Doe, P. J. Harvey, P.-L. Drouin, P. Skensved, R. A. Ott, R. Bonventre, R. D. Martin, R. G. H. Robertson, R. Hazama, R. J. Ford, R. Lange, R. L. Hahn, R. L. Helmer, R. MacLellan, R. Van Berg, R. W. Ollerhead, S. D. Biller, S. D. Reitzner, S. Habib, S. J. M. Peeters, S. Majerus, S. M. Oser, S. N. Ahmed, SNO Collaboration: B. Aharmim, S. R. Elliott, S. R. McGee, S. R. Seibert, T. J. Sonley, T. Kutter, T. Tsui, T. Winchester, W. J. Heintzelman, X. Dai, Y. D. Chan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-04-02T00:03:29Z","title":"Measurement of neutron production in atmospheric neutrino interactions at the Sudbury Neutrino Observatory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.01148","kind":"arxiv","version":3},"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:bb818dae97cffa7cdb9aebd656a229bab7d25662055cbe2c3f5eef7c43955716","target":"record","created_at":"2026-05-17T23:42:58Z","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":"ffdd789dac8e7f63db1f3c97a22d62071d5d36fef346fce98f006a0cdef2bc78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-04-02T00:03:29Z","title_canon_sha256":"d37afeb324fd88811d537ab2638c8f1b23d147410b15e0a2396142ef01da3ce0"},"schema_version":"1.0","source":{"id":"1904.01148","kind":"arxiv","version":3}},"canonical_sha256":"f213c2c3f2688b474aafba6290a5bba98b4218d9b7344cc5caf75e751b3c7986","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f213c2c3f2688b474aafba6290a5bba98b4218d9b7344cc5caf75e751b3c7986","first_computed_at":"2026-05-17T23:42:58.319681Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:58.319681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yEffy8S3KUpx6H83wS096DRtQyi/X4IB5NW5u0iy0weIBEi/AJkvgi3xKg0fEPema9vsJ4nFNvhOg3xxc8FMDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:58.320281Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.01148","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb818dae97cffa7cdb9aebd656a229bab7d25662055cbe2c3f5eef7c43955716","sha256:41c6fb97ffecfd13adfbc7ffb267953bb0cf15c6bf3871833496c10d7c0b8f3e"],"state_sha256":"dc365879cdeccd51e21a9b81de42767af572b90b3062bf804adeb0431a27e810"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WIxD6AKRBdeeUol5HndUlEupvYHbh8N3UeA4UO58R3QoAy85ltvmivPvweteWn5c1PZOAFasw8jSTj8ujWpzAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T21:23:34.808122Z","bundle_sha256":"b6f8c317d5a83d8a4b5ed8e118a673a49c0808ea5742b4faab651952fd31da33"}}