{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:IOQIJ7XPWZVNSCAHI3YG6OVUYX","short_pith_number":"pith:IOQIJ7XP","canonical_record":{"source":{"id":"2007.06863","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-14T07:19:20Z","cross_cats_sorted":[],"title_canon_sha256":"a522f1fcad93500088623961f4283d03e3cc8589d0a5cb7b877e298d0b69d7a3","abstract_canon_sha256":"f9a67deba6a05e186cc85b9c36cef529615dcffccd3bfbf9f8981514a630d27a"},"schema_version":"1.0"},"canonical_sha256":"43a084feefb66ad9080746f06f3ab4c5e0b6c40ee5a799d9cfe6b928e433f10a","source":{"kind":"arxiv","id":"2007.06863","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.06863","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"arxiv_version","alias_value":"2007.06863v1","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.06863","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"pith_short_12","alias_value":"IOQIJ7XPWZVN","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"pith_short_16","alias_value":"IOQIJ7XPWZVNSCAH","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"pith_short_8","alias_value":"IOQIJ7XP","created_at":"2026-07-05T02:11:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:IOQIJ7XPWZVNSCAHI3YG6OVUYX","target":"record","payload":{"canonical_record":{"source":{"id":"2007.06863","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-14T07:19:20Z","cross_cats_sorted":[],"title_canon_sha256":"a522f1fcad93500088623961f4283d03e3cc8589d0a5cb7b877e298d0b69d7a3","abstract_canon_sha256":"f9a67deba6a05e186cc85b9c36cef529615dcffccd3bfbf9f8981514a630d27a"},"schema_version":"1.0"},"canonical_sha256":"43a084feefb66ad9080746f06f3ab4c5e0b6c40ee5a799d9cfe6b928e433f10a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:11:54.957296Z","signature_b64":"ZPTezIXCm7dHy3FDGzfx4d1jt7Szl3/vIaOnbVEkKtDQEGcUdzzwQDczciWX2oj9PuaQ61eoE6rLPHNTlLRjDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43a084feefb66ad9080746f06f3ab4c5e0b6c40ee5a799d9cfe6b928e433f10a","last_reissued_at":"2026-07-05T02:11:54.956818Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:11:54.956818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.06863","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":"2026-07-05T02:11:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kQG1HdUYaJCnvRJeUsXkSxMqEq60qTPoQvoBj5hLoBN8LfsVLEp9F6Jblg0XxU9KvbNCokb6LvibL9fR8/FfAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:20:48.066570Z"},"content_sha256":"47ffabdcc98af82717d42f30bd0f800e3d1b4a14888af9b150ca97cf5632109e","schema_version":"1.0","event_id":"sha256:47ffabdcc98af82717d42f30bd0f800e3d1b4a14888af9b150ca97cf5632109e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:IOQIJ7XPWZVNSCAHI3YG6OVUYX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resonance Laser Ionization Spectroscopy of Selenium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"J. Lassen, M. Mostamand, R. Li, Y. Liu","submitted_at":"2020-07-14T07:19:20Z","abstract_excerpt":"Photoionization spectra of Se have been studied by step-wise resonance laser ionization. The Rydberg series 4s$^2$4p$^3$($^4$S)np $^3$P$_{0,1,2}$ and 4s$^2$4p$^3$($^4$S)np $^5$P$_{1,2,3}$ were measured via different excitation schemes. Using the Rydberg series 4s$^2$4p$^3$($^4$S)np $^3$P$_2$ with n=15-33, the ionization potential of Se was determined with improved precision to 76658.15(2)$_{stat}$(4)$_{sys}$ cm$^{-1}$, which resolved the discrepancy in previous literatures. Autoionizing (AI) spectra between the IP and two neighboring converging limits of the Se ionic states 4s$^2$4p$^3$($^2$D$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.06863","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2007.06863/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:11:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ECmHViwkB3L46PbACqOvE8yoWuwIskEo3YoB5DBnRb5MjQhbmrQ+R3P4Bl+4/+HDKpll0WIine18pwHo00BhDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:20:48.066945Z"},"content_sha256":"cbeae3ba16c9560a1e08fe48bef691c740ebaf8b30a667cb4f34d815b03e3374","schema_version":"1.0","event_id":"sha256:cbeae3ba16c9560a1e08fe48bef691c740ebaf8b30a667cb4f34d815b03e3374"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IOQIJ7XPWZVNSCAHI3YG6OVUYX/bundle.json","state_url":"https://pith.science/pith/IOQIJ7XPWZVNSCAHI3YG6OVUYX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IOQIJ7XPWZVNSCAHI3YG6OVUYX/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":"2026-07-05T09:20:48Z","links":{"resolver":"https://pith.science/pith/IOQIJ7XPWZVNSCAHI3YG6OVUYX","bundle":"https://pith.science/pith/IOQIJ7XPWZVNSCAHI3YG6OVUYX/bundle.json","state":"https://pith.science/pith/IOQIJ7XPWZVNSCAHI3YG6OVUYX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IOQIJ7XPWZVNSCAHI3YG6OVUYX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:IOQIJ7XPWZVNSCAHI3YG6OVUYX","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":"f9a67deba6a05e186cc85b9c36cef529615dcffccd3bfbf9f8981514a630d27a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-14T07:19:20Z","title_canon_sha256":"a522f1fcad93500088623961f4283d03e3cc8589d0a5cb7b877e298d0b69d7a3"},"schema_version":"1.0","source":{"id":"2007.06863","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.06863","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"arxiv_version","alias_value":"2007.06863v1","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.06863","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"pith_short_12","alias_value":"IOQIJ7XPWZVN","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"pith_short_16","alias_value":"IOQIJ7XPWZVNSCAH","created_at":"2026-07-05T02:11:54Z"},{"alias_kind":"pith_short_8","alias_value":"IOQIJ7XP","created_at":"2026-07-05T02:11:54Z"}],"graph_snapshots":[{"event_id":"sha256:cbeae3ba16c9560a1e08fe48bef691c740ebaf8b30a667cb4f34d815b03e3374","target":"graph","created_at":"2026-07-05T02:11:54Z","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/2007.06863/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Photoionization spectra of Se have been studied by step-wise resonance laser ionization. The Rydberg series 4s$^2$4p$^3$($^4$S)np $^3$P$_{0,1,2}$ and 4s$^2$4p$^3$($^4$S)np $^5$P$_{1,2,3}$ were measured via different excitation schemes. Using the Rydberg series 4s$^2$4p$^3$($^4$S)np $^3$P$_2$ with n=15-33, the ionization potential of Se was determined with improved precision to 76658.15(2)$_{stat}$(4)$_{sys}$ cm$^{-1}$, which resolved the discrepancy in previous literatures. Autoionizing (AI) spectra between the IP and two neighboring converging limits of the Se ionic states 4s$^2$4p$^3$($^2$D$","authors_text":"J. Lassen, M. Mostamand, R. Li, Y. Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-14T07:19:20Z","title":"Resonance Laser Ionization Spectroscopy of Selenium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.06863","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":"sha256:47ffabdcc98af82717d42f30bd0f800e3d1b4a14888af9b150ca97cf5632109e","target":"record","created_at":"2026-07-05T02:11:54Z","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":"f9a67deba6a05e186cc85b9c36cef529615dcffccd3bfbf9f8981514a630d27a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2020-07-14T07:19:20Z","title_canon_sha256":"a522f1fcad93500088623961f4283d03e3cc8589d0a5cb7b877e298d0b69d7a3"},"schema_version":"1.0","source":{"id":"2007.06863","kind":"arxiv","version":1}},"canonical_sha256":"43a084feefb66ad9080746f06f3ab4c5e0b6c40ee5a799d9cfe6b928e433f10a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43a084feefb66ad9080746f06f3ab4c5e0b6c40ee5a799d9cfe6b928e433f10a","first_computed_at":"2026-07-05T02:11:54.956818Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:11:54.956818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZPTezIXCm7dHy3FDGzfx4d1jt7Szl3/vIaOnbVEkKtDQEGcUdzzwQDczciWX2oj9PuaQ61eoE6rLPHNTlLRjDA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:11:54.957296Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.06863","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47ffabdcc98af82717d42f30bd0f800e3d1b4a14888af9b150ca97cf5632109e","sha256:cbeae3ba16c9560a1e08fe48bef691c740ebaf8b30a667cb4f34d815b03e3374"],"state_sha256":"d9a0ca2c432b2ebdfc99dccba3271f4e5c972a4d2ae00247ac17efe1956e58dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ES9ZVyLFXtZ6ik9RU7zjfsMJv99WYRmL5MlTZbUzSUOVYsPQISsdK6XOqzwy148PNIRWesqUaxVPvrXW0m0pCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T09:20:48.068874Z","bundle_sha256":"c8714cf65e1d9e30487f5b297fffcbe23aac834cdb637c9e328f40f2f5068a7e"}}