{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:VX4SMGWKL5LMBSSZY6CN65H2D4","short_pith_number":"pith:VX4SMGWK","schema_version":"1.0","canonical_sha256":"adf9261aca5f56c0ca59c784df74fa1f0eba723b1ff2527c01a5f045af93fae8","source":{"kind":"arxiv","id":"1502.03243","version":1},"attestation_state":"computed","paper":{"title":"Spectrometer for new gravitational experiment with UCN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"(2) Institut Lauer-Langevin, 3), (3) Institute for Nuclear Research, (4) Institute of General, (5) Moscow State University, A.I. Frank (1), A.N. Strepetov (4), Dubna, D.V. Kustov (1, France, Grenoble, G.V. Kulin (1), Kiev, M. Jentschel (2), Moscow, Nuclear Physics, P. Geltenbort (2), RCC Kurchatov Institute, Russia, Russia), S.V. Goryunov (1), Ukraine, V.A. Bushuev (5) ((1) Joint Institute for Nuclear Research","submitted_at":"2015-02-11T10:19:24Z","abstract_excerpt":"We describe an experimental installation for a new test of the weak equivalence principle for neutron. The device is a sensitive gravitational spectrometer for ultra-cold neutrons allowing to precisely compare the gain in kinetic energy of free falling neutrons to quanta of energy ${\\hbar}{\\Omega}$ transferred to the neutron via a non stationary device, i.e. a quantum modulator. The results of first test experiments indicate a collection rate allowing measurements of the factor of equivalence $ { \\gamma}$ with a statistical uncertainty in the order of $5{\\times}10^{-3}$ per day. A number of sy"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1502.03243","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-02-11T10:19:24Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"b558af95f1d42ff7113703659c6a5c7fb9992dac3f535daf3c7d943797be3903","abstract_canon_sha256":"5fb4603b274c67a4f340336068126fe7c1bb1a671b4e4e4ee0402cdbc15d3889"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:01.878568Z","signature_b64":"15t/3PgbNszarXg3oWcv7GvlrVs/zUdHxbwJkRrn4QQ7Scmsl74OdBHmAb18oTX4MU3yVrajNq/0xte4hlF5Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"adf9261aca5f56c0ca59c784df74fa1f0eba723b1ff2527c01a5f045af93fae8","last_reissued_at":"2026-05-18T01:25:01.878014Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:01.878014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectrometer for new gravitational experiment with UCN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"(2) Institut Lauer-Langevin, 3), (3) Institute for Nuclear Research, (4) Institute of General, (5) Moscow State University, A.I. Frank (1), A.N. Strepetov (4), Dubna, D.V. Kustov (1, France, Grenoble, G.V. Kulin (1), Kiev, M. Jentschel (2), Moscow, Nuclear Physics, P. Geltenbort (2), RCC Kurchatov Institute, Russia, Russia), S.V. Goryunov (1), Ukraine, V.A. Bushuev (5) ((1) Joint Institute for Nuclear Research","submitted_at":"2015-02-11T10:19:24Z","abstract_excerpt":"We describe an experimental installation for a new test of the weak equivalence principle for neutron. The device is a sensitive gravitational spectrometer for ultra-cold neutrons allowing to precisely compare the gain in kinetic energy of free falling neutrons to quanta of energy ${\\hbar}{\\Omega}$ transferred to the neutron via a non stationary device, i.e. a quantum modulator. The results of first test experiments indicate a collection rate allowing measurements of the factor of equivalence $ { \\gamma}$ with a statistical uncertainty in the order of $5{\\times}10^{-3}$ per day. A number of sy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03243","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1502.03243","created_at":"2026-05-18T01:25:01.878103+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.03243v1","created_at":"2026-05-18T01:25:01.878103+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03243","created_at":"2026-05-18T01:25:01.878103+00:00"},{"alias_kind":"pith_short_12","alias_value":"VX4SMGWKL5LM","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_16","alias_value":"VX4SMGWKL5LMBSSZ","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_8","alias_value":"VX4SMGWK","created_at":"2026-05-18T12:29:47.479230+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1909.01827","citing_title":"Landau levels in a gravitational field: The Schwarzschild spacetime case","ref_index":5,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VX4SMGWKL5LMBSSZY6CN65H2D4","json":"https://pith.science/pith/VX4SMGWKL5LMBSSZY6CN65H2D4.json","graph_json":"https://pith.science/api/pith-number/VX4SMGWKL5LMBSSZY6CN65H2D4/graph.json","events_json":"https://pith.science/api/pith-number/VX4SMGWKL5LMBSSZY6CN65H2D4/events.json","paper":"https://pith.science/paper/VX4SMGWK"},"agent_actions":{"view_html":"https://pith.science/pith/VX4SMGWKL5LMBSSZY6CN65H2D4","download_json":"https://pith.science/pith/VX4SMGWKL5LMBSSZY6CN65H2D4.json","view_paper":"https://pith.science/paper/VX4SMGWK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.03243&json=true","fetch_graph":"https://pith.science/api/pith-number/VX4SMGWKL5LMBSSZY6CN65H2D4/graph.json","fetch_events":"https://pith.science/api/pith-number/VX4SMGWKL5LMBSSZY6CN65H2D4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VX4SMGWKL5LMBSSZY6CN65H2D4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VX4SMGWKL5LMBSSZY6CN65H2D4/action/storage_attestation","attest_author":"https://pith.science/pith/VX4SMGWKL5LMBSSZY6CN65H2D4/action/author_attestation","sign_citation":"https://pith.science/pith/VX4SMGWKL5LMBSSZY6CN65H2D4/action/citation_signature","submit_replication":"https://pith.science/pith/VX4SMGWKL5LMBSSZY6CN65H2D4/action/replication_record"}},"created_at":"2026-05-18T01:25:01.878103+00:00","updated_at":"2026-05-18T01:25:01.878103+00:00"}