{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:KS4O7PDGGKYD22CYMQHQOL6NHC","short_pith_number":"pith:KS4O7PDG","canonical_record":{"source":{"id":"1006.4967","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-06-25T11:56:10Z","cross_cats_sorted":[],"title_canon_sha256":"fadabedcde3f8134a74ccc3f52fedc96680631ff3099fd370b43f1dcace6f88c","abstract_canon_sha256":"5652c56306e3fc27c774914f4e70bb65cb22d2a1f54c5ab8797245641888c163"},"schema_version":"1.0"},"canonical_sha256":"54b8efbc6632b03d6858640f072fcd38bf7d5d6a853f649af131d3579bbf1d4c","source":{"kind":"arxiv","id":"1006.4967","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.4967","created_at":"2026-05-18T04:31:41Z"},{"alias_kind":"arxiv_version","alias_value":"1006.4967v1","created_at":"2026-05-18T04:31:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.4967","created_at":"2026-05-18T04:31:41Z"},{"alias_kind":"pith_short_12","alias_value":"KS4O7PDGGKYD","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KS4O7PDGGKYD22CY","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KS4O7PDG","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:KS4O7PDGGKYD22CYMQHQOL6NHC","target":"record","payload":{"canonical_record":{"source":{"id":"1006.4967","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-06-25T11:56:10Z","cross_cats_sorted":[],"title_canon_sha256":"fadabedcde3f8134a74ccc3f52fedc96680631ff3099fd370b43f1dcace6f88c","abstract_canon_sha256":"5652c56306e3fc27c774914f4e70bb65cb22d2a1f54c5ab8797245641888c163"},"schema_version":"1.0"},"canonical_sha256":"54b8efbc6632b03d6858640f072fcd38bf7d5d6a853f649af131d3579bbf1d4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:41.084579Z","signature_b64":"J4cfO33+TTnfRwtfCJ6xyzAGeeV1v+NeZxg4aqxAMbrPXdbMydOsRf4OrOsKFpeMXX76e+ddJLW0g6RnD0+eDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54b8efbc6632b03d6858640f072fcd38bf7d5d6a853f649af131d3579bbf1d4c","last_reissued_at":"2026-05-18T04:31:41.084120Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:41.084120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.4967","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":"2026-05-18T04:31:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nI62q9B0osGdzjuTiL8Qp+Hbz3/phqjIONWn1p7fAcLbQ/CERZ1xJGzVH+nKEsZ1LNRtyhPWbG+fiGiaJ4UDCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:46:34.311240Z"},"content_sha256":"dbd5f12f231778c478fa7dedf9463d3b361f0194ad81a77ec866f143fbd56d79","schema_version":"1.0","event_id":"sha256:dbd5f12f231778c478fa7dedf9463d3b361f0194ad81a77ec866f143fbd56d79"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:KS4O7PDGGKYD22CYMQHQOL6NHC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New constraints on Lorentz invariance violation from the neutron electric dipole moment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Knecht, A. Kozela, A. Mtchedlishvili, B. Franke, B. Lauss, C. A. Baker, D. Rebreyend, D. Shiers, E. Pierre, F. Kuchler, F. M. Piegsa, G. Ban, G. Petzoldt, G. Pignol, G. Qu\\'em\\'ener, G. Zsigmond, I. Altarev, J. M. Pendlebury, J. Zejma, J. Zenner, K. Bodek, K. F. Smith, K. Green, K. Kirch, M. Daum, M. Fertl, M. G. D. van der Grinten, M. Horras, N. Khomutov, N. Severijns, O. Naviliat-Cuncic, P. Fierlinger, P. Geltenbort, P. G. Harris, P. Iaydjiev, P. Schmidt-Wellenburg, R. Henneck, S. Kistryn, S. N. Ivanov, S. Roccia, T. Lefort, Y. Lemi\\`ere, Yu. Sobolev","submitted_at":"2010-06-25T11:56:10Z","abstract_excerpt":"We propose an original test of Lorentz invariance in the interaction between a particle spin and an electromagnetic field and report on a first measurement using ultracold neutrons. We used a high sensitivity neutron electric dipole moment (nEDM) spectrometer and searched for a direction dependence of a nEDM signal leading to a modulation of its magnitude at periods of 12 and 24 hours. We constrain such a modulation to $d_{12} < 15 \\times 10^{-25} \\ e\\,{\\rm cm}$ and $d_{24} < 10 \\times 10^{-25} \\ e\\,{\\rm cm}$ at 95~\\% C.L. The result translates into a limit on the energy scale for this type of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.4967","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":"2026-05-18T04:31:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CpkTk0k97xLfSagwC+0+xz5S+ueX/Qeuo6KQY6+KpaCanWVYVE9ksVzMU1gLknCkGNFdWmn7NHdHVDChMfDjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:46:34.311924Z"},"content_sha256":"5ddeccd46a721a89c02511669b47c184e6143785496861417a8aec92daac1797","schema_version":"1.0","event_id":"sha256:5ddeccd46a721a89c02511669b47c184e6143785496861417a8aec92daac1797"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KS4O7PDGGKYD22CYMQHQOL6NHC/bundle.json","state_url":"https://pith.science/pith/KS4O7PDGGKYD22CYMQHQOL6NHC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KS4O7PDGGKYD22CYMQHQOL6NHC/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":"2026-05-27T04:46:34Z","links":{"resolver":"https://pith.science/pith/KS4O7PDGGKYD22CYMQHQOL6NHC","bundle":"https://pith.science/pith/KS4O7PDGGKYD22CYMQHQOL6NHC/bundle.json","state":"https://pith.science/pith/KS4O7PDGGKYD22CYMQHQOL6NHC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KS4O7PDGGKYD22CYMQHQOL6NHC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KS4O7PDGGKYD22CYMQHQOL6NHC","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":"5652c56306e3fc27c774914f4e70bb65cb22d2a1f54c5ab8797245641888c163","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-06-25T11:56:10Z","title_canon_sha256":"fadabedcde3f8134a74ccc3f52fedc96680631ff3099fd370b43f1dcace6f88c"},"schema_version":"1.0","source":{"id":"1006.4967","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.4967","created_at":"2026-05-18T04:31:41Z"},{"alias_kind":"arxiv_version","alias_value":"1006.4967v1","created_at":"2026-05-18T04:31:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.4967","created_at":"2026-05-18T04:31:41Z"},{"alias_kind":"pith_short_12","alias_value":"KS4O7PDGGKYD","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KS4O7PDGGKYD22CY","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KS4O7PDG","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:5ddeccd46a721a89c02511669b47c184e6143785496861417a8aec92daac1797","target":"graph","created_at":"2026-05-18T04:31:41Z","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 propose an original test of Lorentz invariance in the interaction between a particle spin and an electromagnetic field and report on a first measurement using ultracold neutrons. We used a high sensitivity neutron electric dipole moment (nEDM) spectrometer and searched for a direction dependence of a nEDM signal leading to a modulation of its magnitude at periods of 12 and 24 hours. We constrain such a modulation to $d_{12} < 15 \\times 10^{-25} \\ e\\,{\\rm cm}$ and $d_{24} < 10 \\times 10^{-25} \\ e\\,{\\rm cm}$ at 95~\\% C.L. The result translates into a limit on the energy scale for this type of","authors_text":"A. Knecht, A. Kozela, A. Mtchedlishvili, B. Franke, B. Lauss, C. A. Baker, D. Rebreyend, D. Shiers, E. Pierre, F. Kuchler, F. M. Piegsa, G. Ban, G. Petzoldt, G. Pignol, G. Qu\\'em\\'ener, G. Zsigmond, I. Altarev, J. M. Pendlebury, J. Zejma, J. Zenner, K. Bodek, K. F. Smith, K. Green, K. Kirch, M. Daum, M. Fertl, M. G. D. van der Grinten, M. Horras, N. Khomutov, N. Severijns, O. Naviliat-Cuncic, P. Fierlinger, P. Geltenbort, P. G. Harris, P. Iaydjiev, P. Schmidt-Wellenburg, R. Henneck, S. Kistryn, S. N. Ivanov, S. Roccia, T. Lefort, Y. Lemi\\`ere, Yu. Sobolev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-06-25T11:56:10Z","title":"New constraints on Lorentz invariance violation from the neutron electric dipole moment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.4967","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:dbd5f12f231778c478fa7dedf9463d3b361f0194ad81a77ec866f143fbd56d79","target":"record","created_at":"2026-05-18T04:31:41Z","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":"5652c56306e3fc27c774914f4e70bb65cb22d2a1f54c5ab8797245641888c163","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-06-25T11:56:10Z","title_canon_sha256":"fadabedcde3f8134a74ccc3f52fedc96680631ff3099fd370b43f1dcace6f88c"},"schema_version":"1.0","source":{"id":"1006.4967","kind":"arxiv","version":1}},"canonical_sha256":"54b8efbc6632b03d6858640f072fcd38bf7d5d6a853f649af131d3579bbf1d4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54b8efbc6632b03d6858640f072fcd38bf7d5d6a853f649af131d3579bbf1d4c","first_computed_at":"2026-05-18T04:31:41.084120Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:41.084120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J4cfO33+TTnfRwtfCJ6xyzAGeeV1v+NeZxg4aqxAMbrPXdbMydOsRf4OrOsKFpeMXX76e+ddJLW0g6RnD0+eDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:41.084579Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.4967","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbd5f12f231778c478fa7dedf9463d3b361f0194ad81a77ec866f143fbd56d79","sha256:5ddeccd46a721a89c02511669b47c184e6143785496861417a8aec92daac1797"],"state_sha256":"b703c81f6df825f5019707e48786f6acc7b079df2ae0e51f4cdf9db15c6ade09"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ojdUUV+I2CrzTVweS2vCHzCLLq6vObJ5/vgrU2t5gNbntMeONeyzMXq9I6kW4n6aiTEOG3k74FIjxDKGoNVbCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:46:34.314586Z","bundle_sha256":"0b8697b581680a5be3ac057e021642f2cb807ab7ddfb4048a9cd1c8bf2dd4a7b"}}