{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:YYAPN6QTXGR7WLFWGGM2RDIWRE","short_pith_number":"pith:YYAPN6QT","canonical_record":{"source":{"id":"2109.14085","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-09-28T23:02:55Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"9915d6ff4588db703b4ad129259da790ed2ae150cc2c435a78d92045f45fbd0a","abstract_canon_sha256":"bcf226c4865809f37666cdef383b6bbaedad5c786cc423d1396bf87f0f01b547"},"schema_version":"1.0"},"canonical_sha256":"c600f6fa13b9a3fb2cb63199a88d168934fd8191dbda74d7820a34d797f7cd43","source":{"kind":"arxiv","id":"2109.14085","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.14085","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"arxiv_version","alias_value":"2109.14085v1","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.14085","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"pith_short_12","alias_value":"YYAPN6QTXGR7","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"pith_short_16","alias_value":"YYAPN6QTXGR7WLFW","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"pith_short_8","alias_value":"YYAPN6QT","created_at":"2026-07-05T03:18:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:YYAPN6QTXGR7WLFWGGM2RDIWRE","target":"record","payload":{"canonical_record":{"source":{"id":"2109.14085","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-09-28T23:02:55Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"9915d6ff4588db703b4ad129259da790ed2ae150cc2c435a78d92045f45fbd0a","abstract_canon_sha256":"bcf226c4865809f37666cdef383b6bbaedad5c786cc423d1396bf87f0f01b547"},"schema_version":"1.0"},"canonical_sha256":"c600f6fa13b9a3fb2cb63199a88d168934fd8191dbda74d7820a34d797f7cd43","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:18:31.819970Z","signature_b64":"rFV1vcqC5DZHt52NUbE6GQ5drXMZyr7IXAFTl+rj+Y6m77ktQlzJS7xfXhZw7Aw2f0f74BkhaWO8bSq/zAkrCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c600f6fa13b9a3fb2cb63199a88d168934fd8191dbda74d7820a34d797f7cd43","last_reissued_at":"2026-07-05T03:18:31.819580Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:18:31.819580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.14085","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":"2026-07-05T03:18:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ngOs2AeDbv88u+nLtTI2hXbYeCVW5Whn2JN6f3monjM5m0XzHUvj7Cv4FnJM2gkpDHwjtwbi46TVKso5WEg0AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:08:19.193398Z"},"content_sha256":"984fde727da287d0cb919eb3336120417374d79e43c4020aa14020b46e997baa","schema_version":"1.0","event_id":"sha256:984fde727da287d0cb919eb3336120417374d79e43c4020aa14020b46e997baa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:YYAPN6QTXGR7WLFWGGM2RDIWRE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generalization of the Maier-Leibniz Doppler-Shift Method for Gamma-Ray Correlations in Fission","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"M. Stephan Okar, Sara A. Pozzi, Shaun D. Clarke, Stefano Marin","submitted_at":"2021-09-28T23:02:55Z","abstract_excerpt":"The Maier-Leibniz Doppler-Shift technique is the most popular and accurate technique used in fission experiments to separate the yield of gamma rays from each of the two fission fragments. The technique exploits the aberration, i.e., the change in the angular distribution, of gamma rays emitted by a moving source. By measuring the speed and direction of the source with a conventional detector, as well as the yield of gamma rays at several angles from the direction of motion, the technique can be used to determine the mean multiplicities of gamma rays from each fragment. We show in this work th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.14085","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/2109.14085/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":"2026-07-05T03:18:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2wt63csKqTX97fc9cxfvAS83TvxKjwdZzxJ4PCP0aMjbUhjoLEEv7m8MMBuKlEbaTKQNMlN+82XIfP7l8TsDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:08:19.193779Z"},"content_sha256":"25c148556f30604095947ba436a552319a45d5913f226a7f7a5b667c06260ded","schema_version":"1.0","event_id":"sha256:25c148556f30604095947ba436a552319a45d5913f226a7f7a5b667c06260ded"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YYAPN6QTXGR7WLFWGGM2RDIWRE/bundle.json","state_url":"https://pith.science/pith/YYAPN6QTXGR7WLFWGGM2RDIWRE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YYAPN6QTXGR7WLFWGGM2RDIWRE/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":"2026-07-06T18:08:19Z","links":{"resolver":"https://pith.science/pith/YYAPN6QTXGR7WLFWGGM2RDIWRE","bundle":"https://pith.science/pith/YYAPN6QTXGR7WLFWGGM2RDIWRE/bundle.json","state":"https://pith.science/pith/YYAPN6QTXGR7WLFWGGM2RDIWRE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YYAPN6QTXGR7WLFWGGM2RDIWRE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:YYAPN6QTXGR7WLFWGGM2RDIWRE","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":"bcf226c4865809f37666cdef383b6bbaedad5c786cc423d1396bf87f0f01b547","cross_cats_sorted":["nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-09-28T23:02:55Z","title_canon_sha256":"9915d6ff4588db703b4ad129259da790ed2ae150cc2c435a78d92045f45fbd0a"},"schema_version":"1.0","source":{"id":"2109.14085","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.14085","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"arxiv_version","alias_value":"2109.14085v1","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.14085","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"pith_short_12","alias_value":"YYAPN6QTXGR7","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"pith_short_16","alias_value":"YYAPN6QTXGR7WLFW","created_at":"2026-07-05T03:18:31Z"},{"alias_kind":"pith_short_8","alias_value":"YYAPN6QT","created_at":"2026-07-05T03:18:31Z"}],"graph_snapshots":[{"event_id":"sha256:25c148556f30604095947ba436a552319a45d5913f226a7f7a5b667c06260ded","target":"graph","created_at":"2026-07-05T03:18:31Z","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/2109.14085/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Maier-Leibniz Doppler-Shift technique is the most popular and accurate technique used in fission experiments to separate the yield of gamma rays from each of the two fission fragments. The technique exploits the aberration, i.e., the change in the angular distribution, of gamma rays emitted by a moving source. By measuring the speed and direction of the source with a conventional detector, as well as the yield of gamma rays at several angles from the direction of motion, the technique can be used to determine the mean multiplicities of gamma rays from each fragment. We show in this work th","authors_text":"M. Stephan Okar, Sara A. Pozzi, Shaun D. Clarke, Stefano Marin","cross_cats":["nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-09-28T23:02:55Z","title":"Generalization of the Maier-Leibniz Doppler-Shift Method for Gamma-Ray Correlations in Fission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.14085","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":"sha256:984fde727da287d0cb919eb3336120417374d79e43c4020aa14020b46e997baa","target":"record","created_at":"2026-07-05T03:18:31Z","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":"bcf226c4865809f37666cdef383b6bbaedad5c786cc423d1396bf87f0f01b547","cross_cats_sorted":["nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-09-28T23:02:55Z","title_canon_sha256":"9915d6ff4588db703b4ad129259da790ed2ae150cc2c435a78d92045f45fbd0a"},"schema_version":"1.0","source":{"id":"2109.14085","kind":"arxiv","version":1}},"canonical_sha256":"c600f6fa13b9a3fb2cb63199a88d168934fd8191dbda74d7820a34d797f7cd43","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c600f6fa13b9a3fb2cb63199a88d168934fd8191dbda74d7820a34d797f7cd43","first_computed_at":"2026-07-05T03:18:31.819580Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:18:31.819580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rFV1vcqC5DZHt52NUbE6GQ5drXMZyr7IXAFTl+rj+Y6m77ktQlzJS7xfXhZw7Aw2f0f74BkhaWO8bSq/zAkrCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:18:31.819970Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.14085","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:984fde727da287d0cb919eb3336120417374d79e43c4020aa14020b46e997baa","sha256:25c148556f30604095947ba436a552319a45d5913f226a7f7a5b667c06260ded"],"state_sha256":"636b3176abef42f0e3ba51add7ed472d941d593315e10909565730897ef2b823"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9/31U349HTk2WPNOZg2IMiqR3bUl8mlAYzF4X4RxL1UvfLbxEJNAth5ce8XNruZd66RtP4vq7jF7ylYXU8KdDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T18:08:19.198388Z","bundle_sha256":"77d77d48920b33a4eb34b1883c8b91258d21e292d1a76876f518d722b52cc4f5"}}