{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:F33BHRDYYN3VKYVNRED3SKX5AQ","short_pith_number":"pith:F33BHRDY","canonical_record":{"source":{"id":"1309.1959","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-08T14:16:42Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"9b923fda47996316268b53fbc84e5cbd097fc8b1b39f58719adeee1922f2e573","abstract_canon_sha256":"dfdbdc513decd4c81446ce50510105dba80954448554179cf358e8aa6e2787c9"},"schema_version":"1.0"},"canonical_sha256":"2ef613c478c3775562ad8907b92afd042f768609d8ea58bab7bb5c414d08e768","source":{"kind":"arxiv","id":"1309.1959","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1959","created_at":"2026-05-18T03:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1959v2","created_at":"2026-05-18T03:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1959","created_at":"2026-05-18T03:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"F33BHRDYYN3V","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"F33BHRDYYN3VKYVN","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"F33BHRDY","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:F33BHRDYYN3VKYVNRED3SKX5AQ","target":"record","payload":{"canonical_record":{"source":{"id":"1309.1959","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-08T14:16:42Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"9b923fda47996316268b53fbc84e5cbd097fc8b1b39f58719adeee1922f2e573","abstract_canon_sha256":"dfdbdc513decd4c81446ce50510105dba80954448554179cf358e8aa6e2787c9"},"schema_version":"1.0"},"canonical_sha256":"2ef613c478c3775562ad8907b92afd042f768609d8ea58bab7bb5c414d08e768","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:10:36.387611Z","signature_b64":"dW2V+oQczjk6QwX7oiVpHb7F+LxOj1e8+UwI410VkXsPRwhdN1aF/wegyzsEiW4k9Y6u2NaeuOsTg5N+c8g5Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ef613c478c3775562ad8907b92afd042f768609d8ea58bab7bb5c414d08e768","last_reissued_at":"2026-05-18T03:10:36.386912Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:10:36.386912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.1959","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DFzpx6VgRqEi2tPpXLW8FYaS7QGGNzNXrg4PAkdyn/XGBi14/E8jKblTY1TbywyPmVC3++teSA7PLxqKRKtgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:34:39.927013Z"},"content_sha256":"e9712eb51d4365ee528729ff01f63dc5496d87ef7ee3038f9217090e6b30f5d9","schema_version":"1.0","event_id":"sha256:e9712eb51d4365ee528729ff01f63dc5496d87ef7ee3038f9217090e6b30f5d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:F33BHRDYYN3VKYVNRED3SKX5AQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Concept for a Neutron Electric Dipole Moment Search using a Pulsed Beam","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"F.M. Piegsa","submitted_at":"2013-09-08T14:16:42Z","abstract_excerpt":"A concept to search for a neutron electric dipole moment (nEDM) is presented, which employs a pulsed neutron beam instead of the nowadays established use of storable ultracold neutrons (UCN). The technique takes advantage of the high peak flux and the time structure of a next-generation pulsed spallation source like the planned European Spallation Source. It is demonstrated that the sensitivity for a nEDM can be improved by several orders of magnitude compared to the best beam experiments performed in the 1970's and can compete with the sensitivity of UCN experiments."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1959","kind":"arxiv","version":2},"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":"2026-05-18T03:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mmsV6/DHsx1oYfgnzTQvG2vOMUEBCJ3OffwYGyMN9h9kL+FKqfkkAava24r/MYomV+BdrcLz2+bUrBds0lwFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:34:39.927501Z"},"content_sha256":"cf2229dbeb08880d6cb44ccdd2c6f030543c59cfa72d1bbc33e4844255cfe777","schema_version":"1.0","event_id":"sha256:cf2229dbeb08880d6cb44ccdd2c6f030543c59cfa72d1bbc33e4844255cfe777"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F33BHRDYYN3VKYVNRED3SKX5AQ/bundle.json","state_url":"https://pith.science/pith/F33BHRDYYN3VKYVNRED3SKX5AQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F33BHRDYYN3VKYVNRED3SKX5AQ/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":"2026-08-20T23:34:39Z","links":{"resolver":"https://pith.science/pith/F33BHRDYYN3VKYVNRED3SKX5AQ","bundle":"https://pith.science/pith/F33BHRDYYN3VKYVNRED3SKX5AQ/bundle.json","state":"https://pith.science/pith/F33BHRDYYN3VKYVNRED3SKX5AQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F33BHRDYYN3VKYVNRED3SKX5AQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:F33BHRDYYN3VKYVNRED3SKX5AQ","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":"dfdbdc513decd4c81446ce50510105dba80954448554179cf358e8aa6e2787c9","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-08T14:16:42Z","title_canon_sha256":"9b923fda47996316268b53fbc84e5cbd097fc8b1b39f58719adeee1922f2e573"},"schema_version":"1.0","source":{"id":"1309.1959","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1959","created_at":"2026-05-18T03:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1959v2","created_at":"2026-05-18T03:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1959","created_at":"2026-05-18T03:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"F33BHRDYYN3V","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"F33BHRDYYN3VKYVN","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"F33BHRDY","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:cf2229dbeb08880d6cb44ccdd2c6f030543c59cfa72d1bbc33e4844255cfe777","target":"graph","created_at":"2026-05-18T03:10:36Z","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":"A concept to search for a neutron electric dipole moment (nEDM) is presented, which employs a pulsed neutron beam instead of the nowadays established use of storable ultracold neutrons (UCN). The technique takes advantage of the high peak flux and the time structure of a next-generation pulsed spallation source like the planned European Spallation Source. It is demonstrated that the sensitivity for a nEDM can be improved by several orders of magnitude compared to the best beam experiments performed in the 1970's and can compete with the sensitivity of UCN experiments.","authors_text":"F.M. Piegsa","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-08T14:16:42Z","title":"New Concept for a Neutron Electric Dipole Moment Search using a Pulsed Beam"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1959","kind":"arxiv","version":2},"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:e9712eb51d4365ee528729ff01f63dc5496d87ef7ee3038f9217090e6b30f5d9","target":"record","created_at":"2026-05-18T03:10:36Z","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":"dfdbdc513decd4c81446ce50510105dba80954448554179cf358e8aa6e2787c9","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-08T14:16:42Z","title_canon_sha256":"9b923fda47996316268b53fbc84e5cbd097fc8b1b39f58719adeee1922f2e573"},"schema_version":"1.0","source":{"id":"1309.1959","kind":"arxiv","version":2}},"canonical_sha256":"2ef613c478c3775562ad8907b92afd042f768609d8ea58bab7bb5c414d08e768","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ef613c478c3775562ad8907b92afd042f768609d8ea58bab7bb5c414d08e768","first_computed_at":"2026-05-18T03:10:36.386912Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:10:36.386912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dW2V+oQczjk6QwX7oiVpHb7F+LxOj1e8+UwI410VkXsPRwhdN1aF/wegyzsEiW4k9Y6u2NaeuOsTg5N+c8g5Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:10:36.387611Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.1959","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9712eb51d4365ee528729ff01f63dc5496d87ef7ee3038f9217090e6b30f5d9","sha256:cf2229dbeb08880d6cb44ccdd2c6f030543c59cfa72d1bbc33e4844255cfe777"],"state_sha256":"a386674efe2befa16238c3c5c1c9261b8f625bd3ef6f33804ae370621458c45a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wj2eqNnlcQkqNtUhtJ8lXTjnpGrkw1H0HxBGL1c2+PtM2p441JGRd3RrME5fHb073sPDx+JGbTIuWWXQW58CAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T23:34:39.930969Z","bundle_sha256":"8a419189abec7e360d7b826c4b690a6d33c255b367cc8980a906830fab68d952"}}