{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UE7NWTZ4ANKHG5WUCS5ZCGKG2M","short_pith_number":"pith:UE7NWTZ4","canonical_record":{"source":{"id":"1404.6028","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-04-24T05:24:39Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"1006c74ed930bc971a7c0b021a5c6b42e11d029408c30cc83492653680ffa6c4","abstract_canon_sha256":"910d3017b5d0230b621f624fa299078ea7868cab86a1ba21b5bea0bee00277d6"},"schema_version":"1.0"},"canonical_sha256":"a13edb4f3c03547376d414bb911946d31effbb92d38883e9df84372ac4d6dfea","source":{"kind":"arxiv","id":"1404.6028","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.6028","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"arxiv_version","alias_value":"1404.6028v2","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.6028","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"pith_short_12","alias_value":"UE7NWTZ4ANKH","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UE7NWTZ4ANKHG5WU","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UE7NWTZ4","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UE7NWTZ4ANKHG5WUCS5ZCGKG2M","target":"record","payload":{"canonical_record":{"source":{"id":"1404.6028","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-04-24T05:24:39Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"1006c74ed930bc971a7c0b021a5c6b42e11d029408c30cc83492653680ffa6c4","abstract_canon_sha256":"910d3017b5d0230b621f624fa299078ea7868cab86a1ba21b5bea0bee00277d6"},"schema_version":"1.0"},"canonical_sha256":"a13edb4f3c03547376d414bb911946d31effbb92d38883e9df84372ac4d6dfea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:25.061458Z","signature_b64":"Qh13hWjVPsMKsTNxG8AuiNjAUgYJv+1WMJtfBZbo2yANkjoQTg9WRfNWnzwAlGuC1D60izLv6YqdRiZag3X3DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a13edb4f3c03547376d414bb911946d31effbb92d38883e9df84372ac4d6dfea","last_reissued_at":"2026-05-18T02:29:25.061082Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:25.061082Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.6028","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":"2026-05-18T02:29:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xb7E0wdSrH93XAVQ/G29wl8EaMouMaRqRdCsAkbZp28fwCSFlnvq0lhm+LzpqA/WSOdwuH4WBR7MQloSoW6+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:56:05.927447Z"},"content_sha256":"ca1d46f20f700c0a24e0f12c29b2c10bf88a8011f0e236d2c8537d3679b68e87","schema_version":"1.0","event_id":"sha256:ca1d46f20f700c0a24e0f12c29b2c10bf88a8011f0e236d2c8537d3679b68e87"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UE7NWTZ4ANKHG5WUCS5ZCGKG2M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advances in precision contrast interferometry with Yb Bose-Einstein condensates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Alan O. Jamison, Benjamin Plotkin-Swing, Subhadeep Gupta","submitted_at":"2014-04-24T05:24:39Z","abstract_excerpt":"Using a three-path contrast interferometer (CI) geometry and laser-pulse diffraction gratings, we create the first matter-wave interferometer with ytterbium (Yb) atoms. We present advances in contrast interferometry relevant to high-precision measurements. By comparing to a traditional atom interferometer, we demonstrate the immunity of the CI to vibrations for long interaction times (> 20 ms). We characterize and demonstrate control over the two largest systematic effects for a high-precision measurement of the fine structure constant via photon recoil with our interferometer: diffraction pha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.6028","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":"2026-05-18T02:29:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vYPhD3mKVbBo+j9eQdFOV8LaKRMK1mUX49vc+Q5xA8ONd1NJ42T9dsbiZVCnRupm4jxdY145hwPPN69dPKDYDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:56:05.928185Z"},"content_sha256":"2b2afdef6b686edc40b8c266cb9377d8d7ff718acb9f6647cdceb098097f001d","schema_version":"1.0","event_id":"sha256:2b2afdef6b686edc40b8c266cb9377d8d7ff718acb9f6647cdceb098097f001d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UE7NWTZ4ANKHG5WUCS5ZCGKG2M/bundle.json","state_url":"https://pith.science/pith/UE7NWTZ4ANKHG5WUCS5ZCGKG2M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UE7NWTZ4ANKHG5WUCS5ZCGKG2M/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":"2026-06-09T08:56:05Z","links":{"resolver":"https://pith.science/pith/UE7NWTZ4ANKHG5WUCS5ZCGKG2M","bundle":"https://pith.science/pith/UE7NWTZ4ANKHG5WUCS5ZCGKG2M/bundle.json","state":"https://pith.science/pith/UE7NWTZ4ANKHG5WUCS5ZCGKG2M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UE7NWTZ4ANKHG5WUCS5ZCGKG2M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UE7NWTZ4ANKHG5WUCS5ZCGKG2M","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":"910d3017b5d0230b621f624fa299078ea7868cab86a1ba21b5bea0bee00277d6","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-04-24T05:24:39Z","title_canon_sha256":"1006c74ed930bc971a7c0b021a5c6b42e11d029408c30cc83492653680ffa6c4"},"schema_version":"1.0","source":{"id":"1404.6028","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.6028","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"arxiv_version","alias_value":"1404.6028v2","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.6028","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"pith_short_12","alias_value":"UE7NWTZ4ANKH","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UE7NWTZ4ANKHG5WU","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UE7NWTZ4","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:2b2afdef6b686edc40b8c266cb9377d8d7ff718acb9f6647cdceb098097f001d","target":"graph","created_at":"2026-05-18T02:29:25Z","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":"Using a three-path contrast interferometer (CI) geometry and laser-pulse diffraction gratings, we create the first matter-wave interferometer with ytterbium (Yb) atoms. We present advances in contrast interferometry relevant to high-precision measurements. By comparing to a traditional atom interferometer, we demonstrate the immunity of the CI to vibrations for long interaction times (> 20 ms). We characterize and demonstrate control over the two largest systematic effects for a high-precision measurement of the fine structure constant via photon recoil with our interferometer: diffraction pha","authors_text":"Alan O. Jamison, Benjamin Plotkin-Swing, Subhadeep Gupta","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-04-24T05:24:39Z","title":"Advances in precision contrast interferometry with Yb Bose-Einstein condensates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.6028","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:ca1d46f20f700c0a24e0f12c29b2c10bf88a8011f0e236d2c8537d3679b68e87","target":"record","created_at":"2026-05-18T02:29:25Z","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":"910d3017b5d0230b621f624fa299078ea7868cab86a1ba21b5bea0bee00277d6","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-04-24T05:24:39Z","title_canon_sha256":"1006c74ed930bc971a7c0b021a5c6b42e11d029408c30cc83492653680ffa6c4"},"schema_version":"1.0","source":{"id":"1404.6028","kind":"arxiv","version":2}},"canonical_sha256":"a13edb4f3c03547376d414bb911946d31effbb92d38883e9df84372ac4d6dfea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a13edb4f3c03547376d414bb911946d31effbb92d38883e9df84372ac4d6dfea","first_computed_at":"2026-05-18T02:29:25.061082Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:25.061082Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qh13hWjVPsMKsTNxG8AuiNjAUgYJv+1WMJtfBZbo2yANkjoQTg9WRfNWnzwAlGuC1D60izLv6YqdRiZag3X3DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:25.061458Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.6028","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca1d46f20f700c0a24e0f12c29b2c10bf88a8011f0e236d2c8537d3679b68e87","sha256:2b2afdef6b686edc40b8c266cb9377d8d7ff718acb9f6647cdceb098097f001d"],"state_sha256":"90c7ffcc250718b2533c2b4995ff29c067778d07f2037cda6021d4aef571dea0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8/PVjcBrlJMMDbWr23B3FuXMQGXY0euKMiKMZNwnzFGyFUti0ve7ocfAJoiEHudWdsI1NhUcQMAvHKze1OMMDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T08:56:05.932442Z","bundle_sha256":"7e72e33d0ac9a8ee60a346cb4a367b7f08aa3c47839d096272fce8d231c43e5d"}}