{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OENXHSTMFFLOD2HNB2UJDG6HFF","short_pith_number":"pith:OENXHSTM","canonical_record":{"source":{"id":"1401.7699","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-01-29T23:18:01Z","cross_cats_sorted":["gr-qc","quant-ph"],"title_canon_sha256":"1218020a958c5fa0e7435a8cd8b6f82e996c2bd6e4f0c7bf3a4a2507e49888e5","abstract_canon_sha256":"25a07dda579c69dfb2e897e6d29fef1f387d43a5f81974fe6b71c6db15076f68"},"schema_version":"1.0"},"canonical_sha256":"711b73ca6c2956e1e8ed0ea8919bc729745f4e4eb296fe4598e8ee79d2a3ea05","source":{"kind":"arxiv","id":"1401.7699","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7699","created_at":"2026-05-18T01:37:05Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7699v2","created_at":"2026-05-18T01:37:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7699","created_at":"2026-05-18T01:37:05Z"},{"alias_kind":"pith_short_12","alias_value":"OENXHSTMFFLO","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OENXHSTMFFLOD2HN","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OENXHSTM","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OENXHSTMFFLOD2HNB2UJDG6HFF","target":"record","payload":{"canonical_record":{"source":{"id":"1401.7699","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-01-29T23:18:01Z","cross_cats_sorted":["gr-qc","quant-ph"],"title_canon_sha256":"1218020a958c5fa0e7435a8cd8b6f82e996c2bd6e4f0c7bf3a4a2507e49888e5","abstract_canon_sha256":"25a07dda579c69dfb2e897e6d29fef1f387d43a5f81974fe6b71c6db15076f68"},"schema_version":"1.0"},"canonical_sha256":"711b73ca6c2956e1e8ed0ea8919bc729745f4e4eb296fe4598e8ee79d2a3ea05","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:05.880703Z","signature_b64":"TeqBv0vdYeCCK3QiF7NGektxlsM2x7Ie0NUfWKOBDaLYnDM2lui9pvzytwbdu8ZGzkkJn7ug8L7PSJWFmyL7DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"711b73ca6c2956e1e8ed0ea8919bc729745f4e4eb296fe4598e8ee79d2a3ea05","last_reissued_at":"2026-05-18T01:37:05.880006Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:05.880006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.7699","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":"2026-05-18T01:37:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"StUykB9qxelSAkxxQ2C3XPG4VCR/oLNLGHIM7XTZUCsR7OE5oftn3V8QVR8vWdKvo6jI6JrpjQ5cwY2DVWHfCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:33:07.436178Z"},"content_sha256":"fb24eb374cd9481760898687cb8df62662784c0e41553f1a6280071b81a6557b","schema_version":"1.0","event_id":"sha256:fb24eb374cd9481760898687cb8df62662784c0e41553f1a6280071b81a6557b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OENXHSTMFFLOD2HNB2UJDG6HFF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Overcoming loss of contrast in atom interferometry due to gravity gradients","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Albert Roura, Wolfgang P. Schleich, Wolfgang Zeller","submitted_at":"2014-01-29T23:18:01Z","abstract_excerpt":"Long-time atom interferometry is instrumental to various high-precision measurements of fundamental physical properties, including tests of the equivalence principle. Due to rotations and gravity gradients, the classical trajectories characterizing the motion of the wave packets for the two branches of the interferometer do not close in phase space, an effect which increases significantly with the interferometer time. The relative displacement between the interfering wave packets in such open interferometers leads to a fringe pattern in the density profile at each exit port and a loss of contr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7699","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":"2026-05-18T01:37:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QTgvcAjH2cvEyANvtKGnBJKdVywwNutoZW/w2A6CwSox2Lx7VxTSApFXF9KBxU/nzE56wYEhCe3bZQeCZWKPAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:33:07.436973Z"},"content_sha256":"4ae73a365d2e59a523549eb387dd8719d125428a6e928f50e72c29b4f492f71c","schema_version":"1.0","event_id":"sha256:4ae73a365d2e59a523549eb387dd8719d125428a6e928f50e72c29b4f492f71c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OENXHSTMFFLOD2HNB2UJDG6HFF/bundle.json","state_url":"https://pith.science/pith/OENXHSTMFFLOD2HNB2UJDG6HFF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OENXHSTMFFLOD2HNB2UJDG6HFF/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":"2026-05-18T21:33:07Z","links":{"resolver":"https://pith.science/pith/OENXHSTMFFLOD2HNB2UJDG6HFF","bundle":"https://pith.science/pith/OENXHSTMFFLOD2HNB2UJDG6HFF/bundle.json","state":"https://pith.science/pith/OENXHSTMFFLOD2HNB2UJDG6HFF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OENXHSTMFFLOD2HNB2UJDG6HFF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OENXHSTMFFLOD2HNB2UJDG6HFF","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":"25a07dda579c69dfb2e897e6d29fef1f387d43a5f81974fe6b71c6db15076f68","cross_cats_sorted":["gr-qc","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-01-29T23:18:01Z","title_canon_sha256":"1218020a958c5fa0e7435a8cd8b6f82e996c2bd6e4f0c7bf3a4a2507e49888e5"},"schema_version":"1.0","source":{"id":"1401.7699","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7699","created_at":"2026-05-18T01:37:05Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7699v2","created_at":"2026-05-18T01:37:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7699","created_at":"2026-05-18T01:37:05Z"},{"alias_kind":"pith_short_12","alias_value":"OENXHSTMFFLO","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OENXHSTMFFLOD2HN","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OENXHSTM","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:4ae73a365d2e59a523549eb387dd8719d125428a6e928f50e72c29b4f492f71c","target":"graph","created_at":"2026-05-18T01:37:05Z","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":"Long-time atom interferometry is instrumental to various high-precision measurements of fundamental physical properties, including tests of the equivalence principle. Due to rotations and gravity gradients, the classical trajectories characterizing the motion of the wave packets for the two branches of the interferometer do not close in phase space, an effect which increases significantly with the interferometer time. The relative displacement between the interfering wave packets in such open interferometers leads to a fringe pattern in the density profile at each exit port and a loss of contr","authors_text":"Albert Roura, Wolfgang P. Schleich, Wolfgang Zeller","cross_cats":["gr-qc","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-01-29T23:18:01Z","title":"Overcoming loss of contrast in atom interferometry due to gravity gradients"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7699","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:fb24eb374cd9481760898687cb8df62662784c0e41553f1a6280071b81a6557b","target":"record","created_at":"2026-05-18T01:37:05Z","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":"25a07dda579c69dfb2e897e6d29fef1f387d43a5f81974fe6b71c6db15076f68","cross_cats_sorted":["gr-qc","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-01-29T23:18:01Z","title_canon_sha256":"1218020a958c5fa0e7435a8cd8b6f82e996c2bd6e4f0c7bf3a4a2507e49888e5"},"schema_version":"1.0","source":{"id":"1401.7699","kind":"arxiv","version":2}},"canonical_sha256":"711b73ca6c2956e1e8ed0ea8919bc729745f4e4eb296fe4598e8ee79d2a3ea05","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"711b73ca6c2956e1e8ed0ea8919bc729745f4e4eb296fe4598e8ee79d2a3ea05","first_computed_at":"2026-05-18T01:37:05.880006Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:05.880006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TeqBv0vdYeCCK3QiF7NGektxlsM2x7Ie0NUfWKOBDaLYnDM2lui9pvzytwbdu8ZGzkkJn7ug8L7PSJWFmyL7DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:05.880703Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.7699","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb24eb374cd9481760898687cb8df62662784c0e41553f1a6280071b81a6557b","sha256:4ae73a365d2e59a523549eb387dd8719d125428a6e928f50e72c29b4f492f71c"],"state_sha256":"be4995a35ff4ce36bd2e1e6ea301ac21aa365157f284f28d1d128f2c1830fe6c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/X4/lLRgPr5Hc2cSallN0h4uTQhW9p70j0kbVQxHdm6LUylgL/uS1W6/Is0k0DAUu6sYt/lOHAKblUbSnj0FAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T21:33:07.438960Z","bundle_sha256":"e99009ea0b2e1bc2ac2816c35e1a5046cd202fcbf788e646cf7ceb2e3ffd3359"}}