{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:RXMWZNBXQG4PJDPIIUYKSBWDAU","short_pith_number":"pith:RXMWZNBX","canonical_record":{"source":{"id":"1612.00747","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-12-02T16:54:30Z","cross_cats_sorted":[],"title_canon_sha256":"5d709986bbed72afe2dbdefb3e7165dd839cc7d965c209d07fb9a7dd3c9b1749","abstract_canon_sha256":"0ae62e3c10fee292215ee32706e59748642057997132d9861777582a6703ec12"},"schema_version":"1.0"},"canonical_sha256":"8dd96cb43781b8f48de84530a906c3050b82491c2c6c2d1e1dfa0274c13ff371","source":{"kind":"arxiv","id":"1612.00747","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.00747","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"arxiv_version","alias_value":"1612.00747v1","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.00747","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"pith_short_12","alias_value":"RXMWZNBXQG4P","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RXMWZNBXQG4PJDPI","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RXMWZNBX","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:RXMWZNBXQG4PJDPIIUYKSBWDAU","target":"record","payload":{"canonical_record":{"source":{"id":"1612.00747","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-12-02T16:54:30Z","cross_cats_sorted":[],"title_canon_sha256":"5d709986bbed72afe2dbdefb3e7165dd839cc7d965c209d07fb9a7dd3c9b1749","abstract_canon_sha256":"0ae62e3c10fee292215ee32706e59748642057997132d9861777582a6703ec12"},"schema_version":"1.0"},"canonical_sha256":"8dd96cb43781b8f48de84530a906c3050b82491c2c6c2d1e1dfa0274c13ff371","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:13.598644Z","signature_b64":"Qlu9gMTZ8CF0D9Am7KEpSbaTW3reUQz0CwwJLYMK7Kcxqiahyzfw3nGka4zms1go0garZ6EK9TQ1Vt8GJkGIDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8dd96cb43781b8f48de84530a906c3050b82491c2c6c2d1e1dfa0274c13ff371","last_reissued_at":"2026-05-18T00:46:13.598138Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:13.598138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.00747","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:46:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hu8CIE8SpUAPV7OUQttckGHITtU5ZdYUkOfPgHaYMTfj9QI1B6YdrIJtGUTceOSb/pqcBwoaqpSaaYFJ76DuAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:22:52.680192Z"},"content_sha256":"6caa0e509b594983d17dee1e5582e2ad585838f2bb25dc6fc343a17e7622f03b","schema_version":"1.0","event_id":"sha256:6caa0e509b594983d17dee1e5582e2ad585838f2bb25dc6fc343a17e7622f03b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:RXMWZNBXQG4PJDPIIUYKSBWDAU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical spectroscopy of complex open 4$d$-shell ions Sn$^{7+}$-Sn$^{10+}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"1081 HV Amsterdam, 108840 Russia, 1098 XG Amsterdam, 2), (2) Department of Physics, 3), (3) Max-Planck-Institut f\\\"ur Kernphysik, (4) Institute of Spectroscopy, 5), (5) EUV Labs, 6), 69117 Heidelberg, (6) Zernike Institute for Advanced Materials, (7) School of Physics, 9747 AG Groningen, A. Ryabtsev (4, Astronomy, Australia), A. Windberger (1, De Boelelaan 1081, E. V. Kahl (7), F. Torretti (1, Germany, H. Bekker (3), J. C. Berengut (7), J. R. Crespo L\\'opez-Urrutia (3), LaserLaB, Ltd., Moscow, Nijenborgh 4, O. O. Versolato (1) ((1) Advanced Research Center for Nanolithography, R. Hoekstra (1, Russian Academy of Sciences, Saupfercheckweg 1, Science Park 110, S. Dobrodey (3), Sydney 2052, The Netherlands, Troitsk, University of Groningen, University of New South Wales, Vrije Universiteit, W. Ubachs (1","submitted_at":"2016-12-02T16:54:30Z","abstract_excerpt":"We analyze the complex level structure of ions with many-valence-electron open [Kr] 4$d^\\textrm{m}$ sub-shells ($\\textrm{m}$=7-4) with ab initio calculations based on configuration-interaction many-body perturbation theory (CI+MBPT). Charge-state-resolved optical and extreme ultraviolet (EUV) spectra of Sn$^{7+}$-Sn$^{10+}$ ions were obtained using an electron beam ion trap. Semi-empirical spectral fits carried out with the orthogonal parameters technique and Cowan code calculations lead to 90 identifications of magnetic-dipole transitions and the determination of 79 energy ground-configuratio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.00747","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:46:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"StXQzP3QWnxVP40hFmFK/3glWsz1SIIdv/Nl20US7VpocK84YIZB++RZ21d54UsnEoeS/OUCI+MHe+lDyFJRDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:22:52.680765Z"},"content_sha256":"5d3ff6bb7bfad5677be62ecf8507169c200e11b3a7ede97322bd92e067ce631c","schema_version":"1.0","event_id":"sha256:5d3ff6bb7bfad5677be62ecf8507169c200e11b3a7ede97322bd92e067ce631c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RXMWZNBXQG4PJDPIIUYKSBWDAU/bundle.json","state_url":"https://pith.science/pith/RXMWZNBXQG4PJDPIIUYKSBWDAU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RXMWZNBXQG4PJDPIIUYKSBWDAU/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-30T12:22:52Z","links":{"resolver":"https://pith.science/pith/RXMWZNBXQG4PJDPIIUYKSBWDAU","bundle":"https://pith.science/pith/RXMWZNBXQG4PJDPIIUYKSBWDAU/bundle.json","state":"https://pith.science/pith/RXMWZNBXQG4PJDPIIUYKSBWDAU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RXMWZNBXQG4PJDPIIUYKSBWDAU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:RXMWZNBXQG4PJDPIIUYKSBWDAU","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":"0ae62e3c10fee292215ee32706e59748642057997132d9861777582a6703ec12","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-12-02T16:54:30Z","title_canon_sha256":"5d709986bbed72afe2dbdefb3e7165dd839cc7d965c209d07fb9a7dd3c9b1749"},"schema_version":"1.0","source":{"id":"1612.00747","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.00747","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"arxiv_version","alias_value":"1612.00747v1","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.00747","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"pith_short_12","alias_value":"RXMWZNBXQG4P","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RXMWZNBXQG4PJDPI","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RXMWZNBX","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:5d3ff6bb7bfad5677be62ecf8507169c200e11b3a7ede97322bd92e067ce631c","target":"graph","created_at":"2026-05-18T00:46:13Z","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 analyze the complex level structure of ions with many-valence-electron open [Kr] 4$d^\\textrm{m}$ sub-shells ($\\textrm{m}$=7-4) with ab initio calculations based on configuration-interaction many-body perturbation theory (CI+MBPT). Charge-state-resolved optical and extreme ultraviolet (EUV) spectra of Sn$^{7+}$-Sn$^{10+}$ ions were obtained using an electron beam ion trap. Semi-empirical spectral fits carried out with the orthogonal parameters technique and Cowan code calculations lead to 90 identifications of magnetic-dipole transitions and the determination of 79 energy ground-configuratio","authors_text":"1081 HV Amsterdam, 108840 Russia, 1098 XG Amsterdam, 2), (2) Department of Physics, 3), (3) Max-Planck-Institut f\\\"ur Kernphysik, (4) Institute of Spectroscopy, 5), (5) EUV Labs, 6), 69117 Heidelberg, (6) Zernike Institute for Advanced Materials, (7) School of Physics, 9747 AG Groningen, A. Ryabtsev (4, Astronomy, Australia), A. Windberger (1, De Boelelaan 1081, E. V. Kahl (7), F. Torretti (1, Germany, H. Bekker (3), J. C. Berengut (7), J. R. Crespo L\\'opez-Urrutia (3), LaserLaB, Ltd., Moscow, Nijenborgh 4, O. O. Versolato (1) ((1) Advanced Research Center for Nanolithography, R. Hoekstra (1, Russian Academy of Sciences, Saupfercheckweg 1, Science Park 110, S. Dobrodey (3), Sydney 2052, The Netherlands, Troitsk, University of Groningen, University of New South Wales, Vrije Universiteit, W. Ubachs (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-12-02T16:54:30Z","title":"Optical spectroscopy of complex open 4$d$-shell ions Sn$^{7+}$-Sn$^{10+}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.00747","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":"sha256:6caa0e509b594983d17dee1e5582e2ad585838f2bb25dc6fc343a17e7622f03b","target":"record","created_at":"2026-05-18T00:46:13Z","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":"0ae62e3c10fee292215ee32706e59748642057997132d9861777582a6703ec12","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-12-02T16:54:30Z","title_canon_sha256":"5d709986bbed72afe2dbdefb3e7165dd839cc7d965c209d07fb9a7dd3c9b1749"},"schema_version":"1.0","source":{"id":"1612.00747","kind":"arxiv","version":1}},"canonical_sha256":"8dd96cb43781b8f48de84530a906c3050b82491c2c6c2d1e1dfa0274c13ff371","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8dd96cb43781b8f48de84530a906c3050b82491c2c6c2d1e1dfa0274c13ff371","first_computed_at":"2026-05-18T00:46:13.598138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:13.598138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qlu9gMTZ8CF0D9Am7KEpSbaTW3reUQz0CwwJLYMK7Kcxqiahyzfw3nGka4zms1go0garZ6EK9TQ1Vt8GJkGIDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:13.598644Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.00747","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6caa0e509b594983d17dee1e5582e2ad585838f2bb25dc6fc343a17e7622f03b","sha256:5d3ff6bb7bfad5677be62ecf8507169c200e11b3a7ede97322bd92e067ce631c"],"state_sha256":"81024979745351b5239fa90e48e7258816533e91d5306527bd43fc128b29432e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R4tJlNsdFawUt08g0bRJhjEKROH/wqB5+Lzs38AdppXj6O4BRHPQjeGG0OrHuYc9Lc6O4eSOxfZWY/tJrvN3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:22:52.683614Z","bundle_sha256":"68113ed42c7954506cec5598ff84cebcbba533d9760e801d5cf995353fd00512"}}