{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IVL5NCOI5H7YIXUEUZVITO6LSX","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":"4c3d901dae5d30f44411bbe3dcbbf3dfe874f54109b0f6831a8b384b766eafc2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-11-28T16:48:30Z","title_canon_sha256":"44bc914319812a788597a45935aece0884c300c1b032d37a5fbd4113414fb802"},"schema_version":"1.0","source":{"id":"1311.7366","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.7366","created_at":"2026-05-18T01:46:05Z"},{"alias_kind":"arxiv_version","alias_value":"1311.7366v1","created_at":"2026-05-18T01:46:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.7366","created_at":"2026-05-18T01:46:05Z"},{"alias_kind":"pith_short_12","alias_value":"IVL5NCOI5H7Y","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"IVL5NCOI5H7YIXUE","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"IVL5NCOI","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:0700c0fd9c0e1d3ff84ada23dd38bfa2bd62b28cc9eb74b7de3264bf024b130f","target":"graph","created_at":"2026-05-18T01:46:05Z","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":"We study a method to induce resonant transitions between antihydrogen quantum states above a material surface in the gravitational field of the Earth. The method consists in applying a gradient of magnetic field which is temporally oscillating with the frequency equal to a frequency of a transition between gravitational states of antihydrogen. Corresponding resonant change in a spatial density of antihydrogen atoms can be measured as a function of the frequency of applied field. We estimate an accuracy of measuring antihydrogen gravitational states spacing and show how a value of the gravitati","authors_text":"A. Yu. Voronin, E.A. Kupriyanova, O.D. Dalkarov, P.Froelich, V.V. Nesvizhevsky","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-11-28T16:48:30Z","title":"Resonance spectroscopy of gravitational states of antihydrogen"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.7366","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":"sha256:94e06c8b6cfa908472201040bdbdace5a3927d6949a993550c51ef53a4c98813","target":"record","created_at":"2026-05-18T01:46:05Z","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":"4c3d901dae5d30f44411bbe3dcbbf3dfe874f54109b0f6831a8b384b766eafc2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-11-28T16:48:30Z","title_canon_sha256":"44bc914319812a788597a45935aece0884c300c1b032d37a5fbd4113414fb802"},"schema_version":"1.0","source":{"id":"1311.7366","kind":"arxiv","version":1}},"canonical_sha256":"4557d689c8e9ff845e84a66a89bbcb95e6a5349fb77f95c8cba310e361e97f0e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4557d689c8e9ff845e84a66a89bbcb95e6a5349fb77f95c8cba310e361e97f0e","first_computed_at":"2026-05-18T01:46:05.125274Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:05.125274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"guI/zGRdJ07TpqIDEpOwnzqkeQZnasWWOV05kKpovtUROJc4anAm6xOIlVCZcqblCW2scWiePhdhlDZeJ+TVBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:05.125803Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.7366","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:94e06c8b6cfa908472201040bdbdace5a3927d6949a993550c51ef53a4c98813","sha256:0700c0fd9c0e1d3ff84ada23dd38bfa2bd62b28cc9eb74b7de3264bf024b130f"],"state_sha256":"ed5496af3a721233c4781bb1f027d6a2c43cce4e47e0e971b8609ea19fd5c713"}