{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:UPBVENIPP56HAA5WV7TW2CAOX3","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":"278c7dc326bbe722032631c65080744e4db66fdd0f753fbd72cc479612aeacb5","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2007-07-03T15:38:39Z","title_canon_sha256":"e2f8e9a871c0b92797ccccec26dc9ea68bb164b26e1b984bc1963452fe34611b"},"schema_version":"1.0","source":{"id":"0707.0448","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0707.0448","created_at":"2026-07-04T15:21:19Z"},{"alias_kind":"arxiv_version","alias_value":"0707.0448v1","created_at":"2026-07-04T15:21:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0707.0448","created_at":"2026-07-04T15:21:19Z"},{"alias_kind":"pith_short_12","alias_value":"UPBVENIPP56H","created_at":"2026-07-04T15:21:19Z"},{"alias_kind":"pith_short_16","alias_value":"UPBVENIPP56HAA5W","created_at":"2026-07-04T15:21:19Z"},{"alias_kind":"pith_short_8","alias_value":"UPBVENIP","created_at":"2026-07-04T15:21:19Z"}],"graph_snapshots":[{"event_id":"sha256:509aaa7ff764715eb18ccd23da9aea451dfd2c6195cd27d41e8b7a76eecbfb30","target":"graph","created_at":"2026-07-04T15:21:19Z","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/0707.0448/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have measured the Balmer-series x-rays of kaonic $^4$He atoms using novel large-area silicon drift x-ray detectors in order to study the low-energy $\\bar{K}$-nucleus strong interaction. The energy of the $3d \\to 2p$ transition was determined to be 6467 $\\pm$ 3 (stat) $\\pm$ 2 (syst) eV. The resulting strong-interaction energy-level shift is in agreement with theoretical calculations, thus eliminating a long-standing discrepancy between theory and experiment.","authors_text":"B. Juh\\'asz, C. Curceanu, D. Tomono, E. Widmann, G. Beer, H. Bhang, H. Ohnishi, H. Outa, H. Tatsuno, H. Yim, J. Chiba, J. Marton, J. Zmeskal, K. Itahashi, M. Cargnelli, M. Iio, M. Iwai, M. Iwasaki, M. Sato, P. Kienle, P. Schmid, R. S. Hayano, Seonho Choi, S. Ishimoto, S. Okada, S. Suzuki, T. Hanaki, T. Ishikawa, T. Ishiwatari, T. Suzuki, T. Yamazaki, Y. Fukuda, Y. Matsuda","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2007-07-03T15:38:39Z","title":"Precision measurement of the $3d \\to 2p$ x-ray energy in kaonic $^4$He"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0707.0448","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:b4471fc80cb722ce600ce641d8efd712972ca6dd5a93c5ce53937518a3ab042a","target":"record","created_at":"2026-07-04T15:21:19Z","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":"278c7dc326bbe722032631c65080744e4db66fdd0f753fbd72cc479612aeacb5","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2007-07-03T15:38:39Z","title_canon_sha256":"e2f8e9a871c0b92797ccccec26dc9ea68bb164b26e1b984bc1963452fe34611b"},"schema_version":"1.0","source":{"id":"0707.0448","kind":"arxiv","version":1}},"canonical_sha256":"a3c352350f7f7c7003b6afe76d080ebeea98692b7b72d21effa951f8ce7c4279","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3c352350f7f7c7003b6afe76d080ebeea98692b7b72d21effa951f8ce7c4279","first_computed_at":"2026-07-04T15:21:19.614207Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:21:19.614207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LIjG+vkE0+3tTwo+Y7BZHLl0knBM6F8mkfHCwZwkL/UDwPc9VYneaMZ4WNyhfKaE5BXYi0SHDnwiaANJKnzVDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:21:19.614625Z","signed_message":"canonical_sha256_bytes"},"source_id":"0707.0448","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4471fc80cb722ce600ce641d8efd712972ca6dd5a93c5ce53937518a3ab042a","sha256:509aaa7ff764715eb18ccd23da9aea451dfd2c6195cd27d41e8b7a76eecbfb30"],"state_sha256":"eb6a7320a46153e26a63ea7031f7a3ed4324eb68a40e8408ce8fb1f835d79603"}