{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:EUHDCQAYDGJYO7D2UAHW2ZGRPB","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":"6e5dfe4642bf51228ba5d8027f65f756745d473509478fdb9c44ffa544f52efd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2025-09-10T14:18:46Z","title_canon_sha256":"fb4b10bf131f801f7f15b9ffa6989126e6dd54ba2fe84b6731293ebf76194623"},"schema_version":"1.0","source":{"id":"2509.08622","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.08622","created_at":"2026-07-05T12:08:33Z"},{"alias_kind":"arxiv_version","alias_value":"2509.08622v1","created_at":"2026-07-05T12:08:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.08622","created_at":"2026-07-05T12:08:33Z"},{"alias_kind":"pith_short_12","alias_value":"EUHDCQAYDGJY","created_at":"2026-07-05T12:08:33Z"},{"alias_kind":"pith_short_16","alias_value":"EUHDCQAYDGJYO7D2","created_at":"2026-07-05T12:08:33Z"},{"alias_kind":"pith_short_8","alias_value":"EUHDCQAY","created_at":"2026-07-05T12:08:33Z"}],"graph_snapshots":[{"event_id":"sha256:4f9cf68c14a6e4447c1a49fc1ca7008fd20e5c8550e5d8d16efa5394defb5e44","target":"graph","created_at":"2026-07-05T12:08:33Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2509.08622/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Precision isotope shift metrology in the deep-UV region has been performed for all bosonic isotopes of mercury with a zero nuclear spin, by using the technique of frequency-comb referenced, wavelength-modulated, saturated absorption spectroscopy. The absolute center frequencies of the 6s$^2$ $^1$S$_0$ $\\rightarrow$ 6s6p $^3$P$_1$ intercombination line have been measured with precision in the range of 2.5 - 5.9 10$^{-12}$, in temperature-stabilized mercury vapor samples with natural abundances. Frequency shifts in four isotope pairs have been determined with unprecedented accuracy, the global u","authors_text":"Antonio Castrillo, Livio Gianfrani, Stefania Gravina","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2025-09-10T14:18:46Z","title":"Isotope shift spectroscopy in mercury vapors: a valid alternative to ytterbium for new physics search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.08622","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:c6c6be378ab9c4883ee4ed0a8464072d8fa85ea21237278e42512821295d2881","target":"record","created_at":"2026-07-05T12:08:33Z","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":"6e5dfe4642bf51228ba5d8027f65f756745d473509478fdb9c44ffa544f52efd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2025-09-10T14:18:46Z","title_canon_sha256":"fb4b10bf131f801f7f15b9ffa6989126e6dd54ba2fe84b6731293ebf76194623"},"schema_version":"1.0","source":{"id":"2509.08622","kind":"arxiv","version":1}},"canonical_sha256":"250e3140181993877c7aa00f6d64d17878fa5023ce1be379fa6b70ecdc0ea1c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"250e3140181993877c7aa00f6d64d17878fa5023ce1be379fa6b70ecdc0ea1c8","first_computed_at":"2026-07-05T12:08:33.364220Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:08:33.364220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y760wS2bCUDmJARZEd+mfQHGWpkg7k0lv04qiHdk6evRRwFUBvpOvhQ4qERHoV1Y16mS7NllP7XcN2hMoo/lCw==","signature_status":"signed_v1","signed_at":"2026-07-05T12:08:33.364651Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.08622","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6c6be378ab9c4883ee4ed0a8464072d8fa85ea21237278e42512821295d2881","sha256:4f9cf68c14a6e4447c1a49fc1ca7008fd20e5c8550e5d8d16efa5394defb5e44"],"state_sha256":"f88c5143f86a84fe8ed415a5c04f34b5010f315ec48240d2acb391ac8fb24608"}