{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PINWZPCZU4IQRWLQOFSLVNGSH3","short_pith_number":"pith:PINWZPCZ","canonical_record":{"source":{"id":"1506.04689","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-06-15T18:16:10Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"eb57f91261b07c44e0e64672f84a6ede3b10858786ccfcf04c76c3dabb7a574a","abstract_canon_sha256":"8d4cfb60d17019743678ed6cf0a824f4df6df74f0b966cc62d05468c5066c52b"},"schema_version":"1.0"},"canonical_sha256":"7a1b6cbc59a71108d9707164bab4d23ecd6cd9a706ea099264294530d286eecb","source":{"kind":"arxiv","id":"1506.04689","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04689","created_at":"2026-05-18T01:36:03Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04689v1","created_at":"2026-05-18T01:36:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04689","created_at":"2026-05-18T01:36:03Z"},{"alias_kind":"pith_short_12","alias_value":"PINWZPCZU4IQ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PINWZPCZU4IQRWLQ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PINWZPCZ","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PINWZPCZU4IQRWLQOFSLVNGSH3","target":"record","payload":{"canonical_record":{"source":{"id":"1506.04689","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-06-15T18:16:10Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"eb57f91261b07c44e0e64672f84a6ede3b10858786ccfcf04c76c3dabb7a574a","abstract_canon_sha256":"8d4cfb60d17019743678ed6cf0a824f4df6df74f0b966cc62d05468c5066c52b"},"schema_version":"1.0"},"canonical_sha256":"7a1b6cbc59a71108d9707164bab4d23ecd6cd9a706ea099264294530d286eecb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:03.430044Z","signature_b64":"U+1BxRcOUzOUgBZFdfDPF+Vg5ajo+R478gqPziS9O1FdUwtfO4tDdKOhFZ+1zuZJgHZaq74R4QGhwbWTPZYnAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a1b6cbc59a71108d9707164bab4d23ecd6cd9a706ea099264294530d286eecb","last_reissued_at":"2026-05-18T01:36:03.429514Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:03.429514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.04689","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":"2026-05-18T01:36:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cEpJiIYePF9jZ6xbT/KICcb8aFHEGFbcWnN1HP9MjegpPHP7U12CjhJUaZv7KbYnCJb+FCm9g12H8ksbRoNzAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T17:17:06.313277Z"},"content_sha256":"7dc2e6d4c1d02ed401b483eb37a959c22a6b884ad8d3bde33498bb11219357ea","schema_version":"1.0","event_id":"sha256:7dc2e6d4c1d02ed401b483eb37a959c22a6b884ad8d3bde33498bb11219357ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PINWZPCZU4IQRWLQOFSLVNGSH3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Calibration of Time Of Flight Detectors Using Laser-driven Neutron Source","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Alejo, A.G. Krygier, A. Green, A. Kleinschmidt, D. Jung, H. Ahmed, H. Nakamura, J. Fuchs, J.T. Morrison, L. Vassura, M. Borghesi, M. Oliver, M. Roth, M. Zepf, P. Norreys, R. Clarke, R.R. Freeman, S. Kar, S.R. Mirfayzi, Z. Najmudin","submitted_at":"2015-06-15T18:16:10Z","abstract_excerpt":"Calibration of three scintillators (EJ232Q, BC422Q and EJ410) in a time-of-flight (TOF) arrangement using a laser drive-neutron source is presented. The three plastic scintillator detectors were calibrated with gamma insensitive bubble detector spectrometers, which were absolutely calibrated over a wide range of neutron energies ranging from sub MeV to 20 MeV. A typical set of data obtained simultaneously by the detectors are shown, measuring the neutron spectrum emitted from a petawatt laser irradiated thin foil."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04689","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":"2026-05-18T01:36:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8IyHvZoEo53xCqxS/AI/hKRmg2gc7EgZ0WmMH6sZSKZuP3/4XtWmtpq4TibhHh2dN2yk0zly3OFZliocSBqbCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T17:17:06.314113Z"},"content_sha256":"819921fa62efa733ce6a7741b79df47f7338690fc104dd09b239e4cea76cebdc","schema_version":"1.0","event_id":"sha256:819921fa62efa733ce6a7741b79df47f7338690fc104dd09b239e4cea76cebdc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PINWZPCZU4IQRWLQOFSLVNGSH3/bundle.json","state_url":"https://pith.science/pith/PINWZPCZU4IQRWLQOFSLVNGSH3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PINWZPCZU4IQRWLQOFSLVNGSH3/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":"2026-05-31T17:17:06Z","links":{"resolver":"https://pith.science/pith/PINWZPCZU4IQRWLQOFSLVNGSH3","bundle":"https://pith.science/pith/PINWZPCZU4IQRWLQOFSLVNGSH3/bundle.json","state":"https://pith.science/pith/PINWZPCZU4IQRWLQOFSLVNGSH3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PINWZPCZU4IQRWLQOFSLVNGSH3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PINWZPCZU4IQRWLQOFSLVNGSH3","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":"8d4cfb60d17019743678ed6cf0a824f4df6df74f0b966cc62d05468c5066c52b","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-06-15T18:16:10Z","title_canon_sha256":"eb57f91261b07c44e0e64672f84a6ede3b10858786ccfcf04c76c3dabb7a574a"},"schema_version":"1.0","source":{"id":"1506.04689","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04689","created_at":"2026-05-18T01:36:03Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04689v1","created_at":"2026-05-18T01:36:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04689","created_at":"2026-05-18T01:36:03Z"},{"alias_kind":"pith_short_12","alias_value":"PINWZPCZU4IQ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PINWZPCZU4IQRWLQ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PINWZPCZ","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:819921fa62efa733ce6a7741b79df47f7338690fc104dd09b239e4cea76cebdc","target":"graph","created_at":"2026-05-18T01:36:03Z","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"},"paper":{"abstract_excerpt":"Calibration of three scintillators (EJ232Q, BC422Q and EJ410) in a time-of-flight (TOF) arrangement using a laser drive-neutron source is presented. The three plastic scintillator detectors were calibrated with gamma insensitive bubble detector spectrometers, which were absolutely calibrated over a wide range of neutron energies ranging from sub MeV to 20 MeV. A typical set of data obtained simultaneously by the detectors are shown, measuring the neutron spectrum emitted from a petawatt laser irradiated thin foil.","authors_text":"A. Alejo, A.G. Krygier, A. Green, A. Kleinschmidt, D. Jung, H. Ahmed, H. Nakamura, J. Fuchs, J.T. Morrison, L. Vassura, M. Borghesi, M. Oliver, M. Roth, M. Zepf, P. Norreys, R. Clarke, R.R. Freeman, S. Kar, S.R. Mirfayzi, Z. Najmudin","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-06-15T18:16:10Z","title":"Calibration of Time Of Flight Detectors Using Laser-driven Neutron Source"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04689","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":"sha256:7dc2e6d4c1d02ed401b483eb37a959c22a6b884ad8d3bde33498bb11219357ea","target":"record","created_at":"2026-05-18T01:36:03Z","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":"8d4cfb60d17019743678ed6cf0a824f4df6df74f0b966cc62d05468c5066c52b","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-06-15T18:16:10Z","title_canon_sha256":"eb57f91261b07c44e0e64672f84a6ede3b10858786ccfcf04c76c3dabb7a574a"},"schema_version":"1.0","source":{"id":"1506.04689","kind":"arxiv","version":1}},"canonical_sha256":"7a1b6cbc59a71108d9707164bab4d23ecd6cd9a706ea099264294530d286eecb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a1b6cbc59a71108d9707164bab4d23ecd6cd9a706ea099264294530d286eecb","first_computed_at":"2026-05-18T01:36:03.429514Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:03.429514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U+1BxRcOUzOUgBZFdfDPF+Vg5ajo+R478gqPziS9O1FdUwtfO4tDdKOhFZ+1zuZJgHZaq74R4QGhwbWTPZYnAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:03.430044Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.04689","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7dc2e6d4c1d02ed401b483eb37a959c22a6b884ad8d3bde33498bb11219357ea","sha256:819921fa62efa733ce6a7741b79df47f7338690fc104dd09b239e4cea76cebdc"],"state_sha256":"0c9989170751b995d9de8c2560399116b211627ec35673053857bebd0124f9ce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UD4b8h4kPiwfgYtddDsgkr9CKGyDj8tlsMrpwrxdMkHqoTJdvXibfRBrz7bYqXG7JW3JqaTD6UkqAKl54mN2CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T17:17:06.318254Z","bundle_sha256":"d5910a1fe6e0c72147388719166d7db7585c525da311e00a7d32b48ead6243e0"}}