{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ZM5ZOIUWCXQCX46VIVIXVEEMPE","short_pith_number":"pith:ZM5ZOIUW","canonical_record":{"source":{"id":"1405.2770","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-05-12T14:12:15Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"b5c978ea711ee7c833f637483117b01b0ed1e40bd667a6a2ea5313b34f55faa9","abstract_canon_sha256":"c6e866fcc08cd3686c2a5f8b9e4a6dc932f6109a01435812c659219f67e700c2"},"schema_version":"1.0"},"canonical_sha256":"cb3b97229615e02bf3d545517a908c79197bfc2ad58666b82bea2c113a1461be","source":{"kind":"arxiv","id":"1405.2770","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.2770","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"arxiv_version","alias_value":"1405.2770v1","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.2770","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"pith_short_12","alias_value":"ZM5ZOIUWCXQC","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZM5ZOIUWCXQCX46V","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZM5ZOIUW","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ZM5ZOIUWCXQCX46VIVIXVEEMPE","target":"record","payload":{"canonical_record":{"source":{"id":"1405.2770","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-05-12T14:12:15Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"b5c978ea711ee7c833f637483117b01b0ed1e40bd667a6a2ea5313b34f55faa9","abstract_canon_sha256":"c6e866fcc08cd3686c2a5f8b9e4a6dc932f6109a01435812c659219f67e700c2"},"schema_version":"1.0"},"canonical_sha256":"cb3b97229615e02bf3d545517a908c79197bfc2ad58666b82bea2c113a1461be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:53.610449Z","signature_b64":"KRKvjzqDodcLxVjcDu5AOXP5KkyPzlzAhSnr7nySQoEVrbj0KUwfh2XkFpu83/Dfx7NSoMfaK6aIRNaWDFXmBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb3b97229615e02bf3d545517a908c79197bfc2ad58666b82bea2c113a1461be","last_reissued_at":"2026-05-18T01:16:53.609807Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:53.609807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.2770","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":"2026-05-18T01:16:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IzvDxwCN9envaOxoFHUOj799ksk2xHRgNGS4K+RiP2XSAxI9XUWKuXrq+NuYCsEZDwOXoxhLnQ68XDUBDVt1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T22:00:28.887966Z"},"content_sha256":"18e85d387eb159e116086ade218e20723ecc2ac3b3cbb08d570ae1839c4a607d","schema_version":"1.0","event_id":"sha256:18e85d387eb159e116086ade218e20723ecc2ac3b3cbb08d570ae1839c4a607d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ZM5ZOIUWCXQCX46VIVIXVEEMPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bloch oscillations in atom interferometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Pierre Clad\\'e (LKB - Jussieu)","submitted_at":"2014-05-12T14:12:15Z","abstract_excerpt":"In Paris, we are using an atom interferometer to precisely measure the recoil velocity of an atom that absorbs a photon. In order to reach a high sensitivity, many recoils are transferred to atoms using the Bloch oscillations technique. In this lecture, I will present in details this technique and its application to high precision measurement. I will especially describe in details how this method allows us to perform an atom recoil measurement at the level of $1.3 \\times 10^{-9}$. This measurement is used in the most precise determination of the fine structure constant that is independent of q"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.2770","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":"2026-05-18T01:16:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BXA2UnqFCIbfiQAp7L3aOFWKWr//IEqx7UsFq+wIc5fjYo1mTqOosrXjwegY1EZoJge1d5drJ9MJG77z5ob6Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T22:00:28.888328Z"},"content_sha256":"9b74ade965970c290c04565c587ec6d16bbb798220a7843f28c0651d42de45e2","schema_version":"1.0","event_id":"sha256:9b74ade965970c290c04565c587ec6d16bbb798220a7843f28c0651d42de45e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZM5ZOIUWCXQCX46VIVIXVEEMPE/bundle.json","state_url":"https://pith.science/pith/ZM5ZOIUWCXQCX46VIVIXVEEMPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZM5ZOIUWCXQCX46VIVIXVEEMPE/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":"2026-06-21T22:00:28Z","links":{"resolver":"https://pith.science/pith/ZM5ZOIUWCXQCX46VIVIXVEEMPE","bundle":"https://pith.science/pith/ZM5ZOIUWCXQCX46VIVIXVEEMPE/bundle.json","state":"https://pith.science/pith/ZM5ZOIUWCXQCX46VIVIXVEEMPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZM5ZOIUWCXQCX46VIVIXVEEMPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ZM5ZOIUWCXQCX46VIVIXVEEMPE","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":"c6e866fcc08cd3686c2a5f8b9e4a6dc932f6109a01435812c659219f67e700c2","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-05-12T14:12:15Z","title_canon_sha256":"b5c978ea711ee7c833f637483117b01b0ed1e40bd667a6a2ea5313b34f55faa9"},"schema_version":"1.0","source":{"id":"1405.2770","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.2770","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"arxiv_version","alias_value":"1405.2770v1","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.2770","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"pith_short_12","alias_value":"ZM5ZOIUWCXQC","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZM5ZOIUWCXQCX46V","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZM5ZOIUW","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:9b74ade965970c290c04565c587ec6d16bbb798220a7843f28c0651d42de45e2","target":"graph","created_at":"2026-05-18T01:16:53Z","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":"In Paris, we are using an atom interferometer to precisely measure the recoil velocity of an atom that absorbs a photon. In order to reach a high sensitivity, many recoils are transferred to atoms using the Bloch oscillations technique. In this lecture, I will present in details this technique and its application to high precision measurement. I will especially describe in details how this method allows us to perform an atom recoil measurement at the level of $1.3 \\times 10^{-9}$. This measurement is used in the most precise determination of the fine structure constant that is independent of q","authors_text":"Pierre Clad\\'e (LKB - Jussieu)","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-05-12T14:12:15Z","title":"Bloch oscillations in atom interferometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.2770","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":"sha256:18e85d387eb159e116086ade218e20723ecc2ac3b3cbb08d570ae1839c4a607d","target":"record","created_at":"2026-05-18T01:16:53Z","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":"c6e866fcc08cd3686c2a5f8b9e4a6dc932f6109a01435812c659219f67e700c2","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-05-12T14:12:15Z","title_canon_sha256":"b5c978ea711ee7c833f637483117b01b0ed1e40bd667a6a2ea5313b34f55faa9"},"schema_version":"1.0","source":{"id":"1405.2770","kind":"arxiv","version":1}},"canonical_sha256":"cb3b97229615e02bf3d545517a908c79197bfc2ad58666b82bea2c113a1461be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb3b97229615e02bf3d545517a908c79197bfc2ad58666b82bea2c113a1461be","first_computed_at":"2026-05-18T01:16:53.609807Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:53.609807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KRKvjzqDodcLxVjcDu5AOXP5KkyPzlzAhSnr7nySQoEVrbj0KUwfh2XkFpu83/Dfx7NSoMfaK6aIRNaWDFXmBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:53.610449Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.2770","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:18e85d387eb159e116086ade218e20723ecc2ac3b3cbb08d570ae1839c4a607d","sha256:9b74ade965970c290c04565c587ec6d16bbb798220a7843f28c0651d42de45e2"],"state_sha256":"45766d79a58d6a0ff8c156a6366b47b1e990f362461f47d78fcaa7650b255819"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zJffqpemuYZ9c9LoSKGKMqiZIZ0iC+9FwkN2uQS/AkA8kV/qzjEnjKS/PAhycomrdDhk0cDMgBuzumvURc7cAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T22:00:28.890267Z","bundle_sha256":"cee0b9f6e15e285cbe9a0cad9c86ff778901d7dedb93901164fc45bab53f4db5"}}