{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:BECBWEPOYKFAWKODRFQRMGMHG4","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b537318331dec1864a1b91f715644f78b22b40b10dc89b35848a9217c913dda0","cross_cats_sorted":["physics.atom-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-14T08:11:11Z","title_canon_sha256":"0625dfdbfe49aae576593ecdf707ab1fbcb96386c4a597b5b0af0d207653cc5c"},"schema_version":"1.0","source":{"id":"2605.14529","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.14529","created_at":"2026-05-17T23:39:05Z"},{"alias_kind":"arxiv_version","alias_value":"2605.14529v1","created_at":"2026-05-17T23:39:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.14529","created_at":"2026-05-17T23:39:05Z"},{"alias_kind":"pith_short_12","alias_value":"BECBWEPOYKFA","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"BECBWEPOYKFAWKOD","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"BECBWEPO","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:15366b51ae002cb6ec364f09c740a578afcb95dc43a61c6a1f8d36c090ae2a5c","target":"graph","created_at":"2026-05-17T23:39:05Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"For a Stokes vector circumnavigating a Poincaré sphere meridian, we witness a continuous transformation of the atomic eigenenergy spectrum. Because the relative positions of eigenenergies are locked in place by quantization of angular momentum, the framework is universal and calibration free."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"That the spectroscopic fingerprints from the dressed atomic levels provide a unique, one-to-one mapping to any general state of polarization without ambiguities arising from atomic interactions, field inhomogeneities, or higher-order effects not captured by the angular-momentum quantization argument."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Rydberg atomic sensors map arbitrary RF polarization states to the Poincaré sphere via continuous changes in atomic eigenenergy spectra, remaining universal and calibration-free due to angular momentum quantization."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Rydberg atoms measure arbitrary RF polarization states through calibration-free optical spectroscopy."}],"snapshot_sha256":"51b816ac2e1b7477f9dc7442f7d63206c449833df2865507e024cdc50bcc66c3"},"formal_canon":{"evidence_count":2,"snapshot_sha256":"71e9e53074d1df26fa8e31082915aad8080bebbd74600274084f00c40a42926e"},"paper":{"abstract_excerpt":"Rydberg atomic electrometry leverages the extreme sensitivity of highly excited atoms for calibration-free electric field measurements. The technique uses a non-metallic vapor cell to link properties of an RF field to a spectroscopic readout in the optical domain. Most demonstrations have so far focused on detecting linearly-polarized fields, for which the induced splitting of dressed atomic levels is rotationally invariant. Here we report on Rydberg atomic measurements of RF fields in a general state of polarization (SOP) which we map onto the Poincar\\'{e} sphere through spectroscopic fingerp","authors_text":"Amita B. Deb, J. Susanne Otto, Laurits N. Stokholm, Matthew Chilcott, Matthew Cloutman, Niels Kj{\\ae}rgaard","cross_cats":["physics.atom-ph"],"headline":"Rydberg atoms measure arbitrary RF polarization states through calibration-free optical spectroscopy.","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-14T08:11:11Z","title":"Quantum-enabled complete RF-polarimetry with an optically-wired atomic sensor"},"references":{"count":40,"internal_anchors":0,"resolved_work":40,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"For ϕ = 0, the resultant field is linearly polarized along ˆx—the vertical direction of our setup [cf. Fig. 1(a)]. Expressed in terms of covariant spherical-basis unit vectors ˆe±1 = ∓(ˆx±iˆy)/ √ 2, a","work_id":"c561c57e-75d7-4afc-b407-1e4775710fe1","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"& Wolf, E.Principles of Optics(Cambridge University Press, 1999)","work_id":"375f7b3d-523a-4fb0-a323-8e2bfe3fe4ab","year":1999},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"Collett, E.Field Guide to Polarization(SPIE, 2005)","work_id":"f69107d2-b43a-449f-9902-8ca9b8452733","year":2005},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"Recent developments in instrumentation in ellipsometry.Surf","work_id":"94e4eb05-aaf8-416a-8977-fc4bdbc8beee","year":1980},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"Drabowitch, S., Papiernik, A., Griffiths, H. & Encinas, J. Modern Antennas(Springer US, 1998) Chap. Fundamen- tals of polarimetry","work_id":"727c6cc7-6709-466a-8cbb-3013303e4f9b","year":1998}],"snapshot_sha256":"e5d6cf07146773b94c23a71cedfb92b9e689e48d637d3a4bdf46eaeeb6ebb6f8"},"source":{"id":"2605.14529","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-15T01:42:49.111681Z","id":"95688eda-b996-4f37-98be-673bc806a3e5","model_set":{"reader":"grok-4.3"},"one_line_summary":"Rydberg atomic sensors map arbitrary RF polarization states to the Poincaré sphere via continuous changes in atomic eigenenergy spectra, remaining universal and calibration-free due to angular momentum quantization.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Rydberg atoms measure arbitrary RF polarization states through calibration-free optical spectroscopy.","strongest_claim":"For a Stokes vector circumnavigating a Poincaré sphere meridian, we witness a continuous transformation of the atomic eigenenergy spectrum. Because the relative positions of eigenenergies are locked in place by quantization of angular momentum, the framework is universal and calibration free.","weakest_assumption":"That the spectroscopic fingerprints from the dressed atomic levels provide a unique, one-to-one mapping to any general state of polarization without ambiguities arising from atomic interactions, field inhomogeneities, or higher-order effects not captured by the angular-momentum quantization argument."}},"verdict_id":"95688eda-b996-4f37-98be-673bc806a3e5"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d2436acf3685b973fa59b013ca50078f0c1882ff93115076dca64ad5484b70b7","target":"record","created_at":"2026-05-17T23:39:05Z","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":"b537318331dec1864a1b91f715644f78b22b40b10dc89b35848a9217c913dda0","cross_cats_sorted":["physics.atom-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-14T08:11:11Z","title_canon_sha256":"0625dfdbfe49aae576593ecdf707ab1fbcb96386c4a597b5b0af0d207653cc5c"},"schema_version":"1.0","source":{"id":"2605.14529","kind":"arxiv","version":1}},"canonical_sha256":"09041b11eec28a0b29c38961161987372a00621dcc262f97cc2baab93f7186c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09041b11eec28a0b29c38961161987372a00621dcc262f97cc2baab93f7186c7","first_computed_at":"2026-05-17T23:39:05.965040Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:05.965040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9BPRd7pTI/rcKPfxku8r1cXfHEi5iS3q9tNtcfZWJrATA7lIQ+g8V3Bq70jb/uwPlCnuo6zgHgCCm25WlBIQAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:05.965807Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.14529","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2436acf3685b973fa59b013ca50078f0c1882ff93115076dca64ad5484b70b7","sha256:15366b51ae002cb6ec364f09c740a578afcb95dc43a61c6a1f8d36c090ae2a5c","sha256:60b814d1611dbf3365b3156227688fc986767e198fbb063dfe19a6bc0eb1ce68"],"state_sha256":"fc8506a78fce34e17c94d23eadb606c4472c83b34033e93faf9dd095f19e9863"}