{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:JGHDGMGITIXVLH63NF7YO47WW3","short_pith_number":"pith:JGHDGMGI","canonical_record":{"source":{"id":"2109.10965","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-22T18:33:24Z","cross_cats_sorted":["hep-ex","hep-ph","physics.atom-ph"],"title_canon_sha256":"7140877917dcd76581e32480b3343d8a3615b9e90370f7b46022e1c8042c615e","abstract_canon_sha256":"6e14d88304657d36f979db939f12a24a1f817c6b1513d41ff8966283fbd28df3"},"schema_version":"1.0"},"canonical_sha256":"498e3330c89a2f559fdb697f8773f6b6ded05935b171cbdda5cd055177165233","source":{"kind":"arxiv","id":"2109.10965","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.10965","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"arxiv_version","alias_value":"2109.10965v3","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.10965","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"pith_short_12","alias_value":"JGHDGMGITIXV","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"pith_short_16","alias_value":"JGHDGMGITIXVLH63","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"pith_short_8","alias_value":"JGHDGMGI","created_at":"2026-07-05T04:00:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:JGHDGMGITIXVLH63NF7YO47WW3","target":"record","payload":{"canonical_record":{"source":{"id":"2109.10965","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-22T18:33:24Z","cross_cats_sorted":["hep-ex","hep-ph","physics.atom-ph"],"title_canon_sha256":"7140877917dcd76581e32480b3343d8a3615b9e90370f7b46022e1c8042c615e","abstract_canon_sha256":"6e14d88304657d36f979db939f12a24a1f817c6b1513d41ff8966283fbd28df3"},"schema_version":"1.0"},"canonical_sha256":"498e3330c89a2f559fdb697f8773f6b6ded05935b171cbdda5cd055177165233","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:00:18.297283Z","signature_b64":"eJYdl9Zw5XiLtuzClnC8vUvEqIEY/CG1SYcALCe0fpblsA5DZxR6Co6h3nrTkfoKyiLbaBOnxkJm66wrXTYDCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"498e3330c89a2f559fdb697f8773f6b6ded05935b171cbdda5cd055177165233","last_reissued_at":"2026-07-05T04:00:18.296708Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:00:18.296708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.10965","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":"2026-07-05T04:00:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nbIjou9CDEKAA2Yd47rB9cPPO8PNdswwL+J9ojgx5FBNBoe16Z8xLHusnLE0ztaCHw0w53LmpKw3IpjrZGKQCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T13:51:30.641428Z"},"content_sha256":"721998faf5607b392f22b0d8f704af1d4f7c8fb7a9ad670957294e92bdb45513","schema_version":"1.0","event_id":"sha256:721998faf5607b392f22b0d8f704af1d4f7c8fb7a9ad670957294e92bdb45513"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:JGHDGMGITIXVLH63NF7YO47WW3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Refined ultralight scalar dark matter searches with compact atom gradiometers","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","hep-ph","physics.atom-ph"],"primary_cat":"astro-ph.CO","authors_text":"Christopher McCabe, Diego Blas, Leonardo Badurina","submitted_at":"2021-09-22T18:33:24Z","abstract_excerpt":"Atom interferometry is a powerful experimental technique that can be employed to search for the oscillation of atomic transition energies induced by ultralight scalar dark matter (ULDM). Previous studies have focused on the sensitivity to ULDM of km-length atom gradiometers, where atom interferometers are located at the ends of very long baselines. In this work, we generalize the treatment of the time-dependent signal induced by a linearly-coupled scalar ULDM candidate for vertical atom gradiometers of any length and find correction factors that especially impact the ULDM signal in short-basel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.10965","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.10965/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":"2026-07-05T04:00:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R+dbaDEySM8c4lkPgsjKLOBUbd6LBeFU2/hkKkXDibGwGE5CDqthiKxrXRpt5AXMoS2T4rG94cosFnNBwyROCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T13:51:30.642371Z"},"content_sha256":"9259a59effb5b766bfd74caa60895119aabd5ac36a4565b1e919fe464f9ae36d","schema_version":"1.0","event_id":"sha256:9259a59effb5b766bfd74caa60895119aabd5ac36a4565b1e919fe464f9ae36d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGHDGMGITIXVLH63NF7YO47WW3/bundle.json","state_url":"https://pith.science/pith/JGHDGMGITIXVLH63NF7YO47WW3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGHDGMGITIXVLH63NF7YO47WW3/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":"2026-08-08T13:51:30Z","links":{"resolver":"https://pith.science/pith/JGHDGMGITIXVLH63NF7YO47WW3","bundle":"https://pith.science/pith/JGHDGMGITIXVLH63NF7YO47WW3/bundle.json","state":"https://pith.science/pith/JGHDGMGITIXVLH63NF7YO47WW3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGHDGMGITIXVLH63NF7YO47WW3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:JGHDGMGITIXVLH63NF7YO47WW3","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":"6e14d88304657d36f979db939f12a24a1f817c6b1513d41ff8966283fbd28df3","cross_cats_sorted":["hep-ex","hep-ph","physics.atom-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-22T18:33:24Z","title_canon_sha256":"7140877917dcd76581e32480b3343d8a3615b9e90370f7b46022e1c8042c615e"},"schema_version":"1.0","source":{"id":"2109.10965","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.10965","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"arxiv_version","alias_value":"2109.10965v3","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.10965","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"pith_short_12","alias_value":"JGHDGMGITIXV","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"pith_short_16","alias_value":"JGHDGMGITIXVLH63","created_at":"2026-07-05T04:00:18Z"},{"alias_kind":"pith_short_8","alias_value":"JGHDGMGI","created_at":"2026-07-05T04:00:18Z"}],"graph_snapshots":[{"event_id":"sha256:9259a59effb5b766bfd74caa60895119aabd5ac36a4565b1e919fe464f9ae36d","target":"graph","created_at":"2026-07-05T04:00:18Z","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/2109.10965/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Atom interferometry is a powerful experimental technique that can be employed to search for the oscillation of atomic transition energies induced by ultralight scalar dark matter (ULDM). Previous studies have focused on the sensitivity to ULDM of km-length atom gradiometers, where atom interferometers are located at the ends of very long baselines. In this work, we generalize the treatment of the time-dependent signal induced by a linearly-coupled scalar ULDM candidate for vertical atom gradiometers of any length and find correction factors that especially impact the ULDM signal in short-basel","authors_text":"Christopher McCabe, Diego Blas, Leonardo Badurina","cross_cats":["hep-ex","hep-ph","physics.atom-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-22T18:33:24Z","title":"Refined ultralight scalar dark matter searches with compact atom gradiometers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.10965","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":"sha256:721998faf5607b392f22b0d8f704af1d4f7c8fb7a9ad670957294e92bdb45513","target":"record","created_at":"2026-07-05T04:00:18Z","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":"6e14d88304657d36f979db939f12a24a1f817c6b1513d41ff8966283fbd28df3","cross_cats_sorted":["hep-ex","hep-ph","physics.atom-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-22T18:33:24Z","title_canon_sha256":"7140877917dcd76581e32480b3343d8a3615b9e90370f7b46022e1c8042c615e"},"schema_version":"1.0","source":{"id":"2109.10965","kind":"arxiv","version":3}},"canonical_sha256":"498e3330c89a2f559fdb697f8773f6b6ded05935b171cbdda5cd055177165233","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"498e3330c89a2f559fdb697f8773f6b6ded05935b171cbdda5cd055177165233","first_computed_at":"2026-07-05T04:00:18.296708Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:00:18.296708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eJYdl9Zw5XiLtuzClnC8vUvEqIEY/CG1SYcALCe0fpblsA5DZxR6Co6h3nrTkfoKyiLbaBOnxkJm66wrXTYDCg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:00:18.297283Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.10965","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:721998faf5607b392f22b0d8f704af1d4f7c8fb7a9ad670957294e92bdb45513","sha256:9259a59effb5b766bfd74caa60895119aabd5ac36a4565b1e919fe464f9ae36d"],"state_sha256":"0cb6ddee2db682569a54cd255d224a5358410d37850f2a08c4ccab1538bc3553"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1hywiZ+L6Qm4abB4hGwnBw9Drz+tkpV+XHBJfPbWTMXTwJ2W/Ur5VSJDlinGXelOisffLnoBl9XnajGTe6dZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T13:51:30.648253Z","bundle_sha256":"78494a32d24d2f39635f77f64accc8769008b2c3a595dd640efeb71e14570c3a"}}