{"as_of":"2026-08-11T12:02:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:97578b122ea0f548d06ae4162645dbf0abe2a7b929a4e66e5a466e8027f8cc1c","coverage":[{"denominator":51,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":51,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-06T12:19:27.168261Z","state":"measured"},{"denominator":51,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":51,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-11T06:34:44.6726+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/2507.21946/citation-record","integrity":"/paper/2507.21946/integrity","json":"/paper/2507.21946/citation-record.json","paper":"/paper/2507.21946"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.668173Z","title":"Peik and C","venue":null,"work_id":"f3125f0e-ee7b-4db0-852e-fbd5ee5bd3d0","year":2003},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.026433Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:9b3529ee8651f129fb9e51b4c861cead4bd23de30a5fc6dd0893a290de8096a7","observation_id":"4dc63ec3-233a-4aa8-9cd0-14453b707b24","resolution":{"observed_at":"2026-08-06T12:19:27.670848Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.659033Z","title":"Tiedau, M","venue":null,"work_id":"07725c01-d012-4aa2-a9b0-a02faefd95fd","year":2024},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.029848Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:be834ad531b4d82e0879238a3a1362347c8fce747e98df0f98402648ae00f1dd","observation_id":"d4a63bb6-7ff7-43c4-b284-fcd397362900","resolution":{"observed_at":"2026-08-06T12:19:27.661720Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2404.12311","last_updated":"2024-04-18T16:45:39Z","snapshot_observed_at":"2026-08-10T01:35:55.855027Z","submitted_at":"2024-04-18T16:45:39Z","title":"Laser excitation of the $^{229}$Th nuclear isomeric transition in a solid-state host","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2404.12311","snapshot_observed_at":"2026-08-06T12:19:27.033651Z","title":"Elwell, C","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.033651Z"},"links":{"cited_paper":"/paper/2404.12311","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:9954411665565cc9267b8f46f25488776ce8ec4bcab250359e4a326f04ba3b70","observation_id":"23f426d6-a215-4e24-bd61-121feb556f9a","resolution":{"observed_at":"2026-08-06T12:19:27.033651Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2406.18719","last_updated":"2024-09-07T16:19:05Z","snapshot_observed_at":"2026-08-08T17:33:21.142660Z","submitted_at":"2024-06-26T19:38:45Z","title":"Frequency ratio of the $^{229\\mathrm{m}}$Th nuclear isomeric transition and the $^{87}$Sr atomic clock","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2406.18719","snapshot_observed_at":"2026-08-06T12:19:27.037182Z","title":"Zhang, T","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.037182Z"},"links":{"cited_paper":"/paper/2406.18719","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:8c7e5d012fa274feb01bce416c2048fa628d382ee31186415a3c3eaab260012f","observation_id":"3da8d3da-425e-419c-81f5-5a89650f2d93","resolution":{"observed_at":"2026-08-06T12:19:27.037182Z","resolver_source":null,"status":"malformed_identifier"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1710.11398","last_updated":"2017-10-31T10:23:05Z","snapshot_observed_at":"2026-08-08T17:33:23.399448Z","submitted_at":"2017-10-31T10:23:05Z","title":"Direct detection of the 229Th nuclear clock transition","version":1},"cited_work":{"arxiv_id":"1710.11398","doi":null,"metadata_source":"pith","pith_arxiv_id":"1710.11398","snapshot_observed_at":"2026-08-06T12:19:27.311539Z","title":"Direct detection of the 229Th nuclear clock transition","venue":"nucl-ex","work_id":"886c991d-83bf-4fc2-95c5-e1124abb5baa","year":2017},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.040326Z"},"links":{"cited_paper":"/paper/1710.11398","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:b339a0a594d46d7d94ec7e8a962c2b14221ca6b3435a559199c6cd6316a7d6d4","observation_id":"605fd5f8-f92b-4579-ab76-a1181b54bd8e","resolution":{"observed_at":"2026-08-06T12:19:27.314828Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1801.05205","last_updated":"2018-01-16T11:03:04Z","snapshot_observed_at":"2026-08-08T17:33:08.878864Z","submitted_at":"2018-01-16T11:03:04Z","title":"Lifetime measurement of the $^{229}$Th nuclear isomer","version":1},"cited_work":{"arxiv_id":"1801.05205","doi":null,"metadata_source":"pith","pith_arxiv_id":"1801.05205","snapshot_observed_at":"2026-08-06T12:19:27.298456Z","title":"Lifetime measurement of the $^{229}$Th nuclear isomer","venue":"nucl-ex","work_id":"0c350730-8587-4b02-9f5e-be31e6a296a3","year":2018},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.044309Z"},"links":{"cited_paper":"/paper/1801.05205","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:83de2d02a89e82b18b98b19fc157b975970689765c83e09d777a87e2dce0f1ec","observation_id":"e7dbd135-e30d-43a0-ba6b-6157f28dd9b9","resolution":{"observed_at":"2026-08-06T12:19:27.301838Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1709.05325","last_updated":"2018-02-06T13:29:14Z","snapshot_observed_at":"2026-08-10T03:51:04.266202Z","submitted_at":"2017-09-15T17:35:37Z","title":"Laser spectroscopic characterization of the nuclear clock isomer $^{229m}$Th","version":2},"cited_work":{"arxiv_id":"1709.05325","doi":null,"metadata_source":"pith","pith_arxiv_id":"1709.05325","snapshot_observed_at":"2026-08-06T12:19:27.285842Z","title":"Laser spectroscopic characterization of the nuclear clock isomer $^{229m}$Th","venue":"nucl-ex","work_id":"74d63f6d-9740-4f37-b3e5-793f0d5e9279","year":2017},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.047947Z"},"links":{"cited_paper":"/paper/1709.05325","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:e85948327605c8cd772e0a69a9e4c9bb2f817fef9a7ac51f03716c8c1e4485b4","observation_id":"4cf5cc85-d349-4627-8fdf-df4b2208a981","resolution":{"observed_at":"2026-08-06T12:19:27.289142Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1038/s41586-024-07296-1","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"Yamaguchi, Y","venue":"Nature","work_id":"8eeac4ae-83d2-4eda-80e8-1102216c91d2","year":2024},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.051072Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:17eea057c83906e72aa3fd40f40c093b073a00609b1bb8d3a331adac99d00dee","observation_id":"564ac568-22d5-4188-8185-f161f3c8605f","resolution":{"observed_at":"2026-08-06T12:19:27.213801Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2209.10276","last_updated":"2022-09-21T11:40:11Z","snapshot_observed_at":"2026-07-06T13:54:41.673948Z","submitted_at":"2022-09-21T11:40:11Z","title":"Observation of the radiative decay of the ${}^{229}\\mathrm{Th}$ nuclear clock isomer","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2209.10276","snapshot_observed_at":"2026-08-06T12:19:27.053894Z","title":"Kraemer, J","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.053894Z"},"links":{"cited_paper":"/paper/2209.10276","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:fec9d303c08aa761f1c47ec37b5503635eaa9dab5685d2ca74a68afaee4ca2d2","observation_id":"eb5df599-4011-4573-b34a-f3408aebf543","resolution":{"observed_at":"2026-08-06T12:19:27.053894Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.650146Z","title":null,"venue":null,"work_id":"9ad0b37c-a509-491c-b7d1-ee2ce231a282","year":2010},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.056973Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:0e4e30032a5b5f4b6e33afb6cdf6d32f2cb021cf19de55677c26b8762f9c7060","observation_id":"731cc212-a67e-418f-8ed7-96ee1b5d86df","resolution":{"observed_at":"2026-08-06T12:19:27.652864Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.641306Z","title":null,"venue":null,"work_id":"d0f5c3d4-4748-4f9a-9166-4805e3f8dc28","year":2010},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.059762Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:b6eb0d74c20d5a76a8257aeeda3b14c8cad8ba7c9fb1501e8016d2ab538c039e","observation_id":"fb376b92-7f36-4bfb-9524-b30ffdb4261b","resolution":{"observed_at":"2026-08-06T12:19:27.643914Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1701.05340","last_updated":"2017-01-19T09:20:35Z","snapshot_observed_at":"2026-07-06T05:26:45.614348Z","submitted_at":"2017-01-19T09:20:35Z","title":"Impact of the ionization of the atomic shell on the lifetime of the $^{229m}$Th isomer","version":1},"cited_work":{"arxiv_id":"1701.05340","doi":null,"metadata_source":"pith","pith_arxiv_id":"1701.05340","snapshot_observed_at":"2026-08-06T12:19:27.262735Z","title":"Impact of the ionization of the atomic shell on the lifetime of the $^{229m}$Th isomer","venue":"nucl-th","work_id":"5c5fdcf9-bba8-4839-a911-f67e2c36fb53","year":2017},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.062474Z"},"links":{"cited_paper":"/paper/1701.05340","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:5b925a109bd8bb10b9f09b039d6fbb943c8ea70f99c312babb74ed35005a7061","observation_id":"5e4a26b5-2da0-4193-b51d-4b61474fc16c","resolution":{"observed_at":"2026-08-06T12:19:27.265863Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.633016Z","title":null,"venue":null,"work_id":"e44d9743-8147-47b4-8cfc-9945174ba057","year":2021},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.065414Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:e04bd71cbdf74e089b27a864bd2a3e296ed5cd91d91f4b81a629f43346d20ab2","observation_id":"f67c5218-281f-4648-8b78-27670d011bd5","resolution":{"observed_at":"2026-08-06T12:19:27.635564Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.624227Z","title":null,"venue":null,"work_id":"201e3027-f7b9-4fa2-b2c8-fa7c207a8c29","year":2013},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.068023Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:82af8e517d9c0dbfc303320376eea3cd94f85f2b73f7c83de309e516c604e05d","observation_id":"c27e0d44-07a1-45e5-85b1-897d8c564a78","resolution":{"observed_at":"2026-08-06T12:19:27.626917Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.615344Z","title":null,"venue":null,"work_id":"b7dbb0f3-4347-41aa-99fb-7b258c9e0ddf","year":2019},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.070719Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:5112017fab300ec08c8cfdc83697a260bde78326cd860fe22e42837d2f1be890","observation_id":"b197e082-b2e8-4c20-96a2-f80e44980a92","resolution":{"observed_at":"2026-08-06T12:19:27.618469Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.606046Z","title":"Kudryavtsev, P","venue":null,"work_id":"395e372a-8d85-417f-bdd0-8de4760e3083","year":2016},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.073478Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:5164bb3a08b97d685a9ef9bb01ce3a5021d824ea501fe2bd0f7fc4cbf1f3f366","observation_id":"c6002753-5a93-43bd-988d-16fd7356127c","resolution":{"observed_at":"2026-08-06T12:19:27.608958Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.597041Z","title":"Verlinde, Towards the In-Gas-Jet Laser Ionization Spectroscopy of the 229Th Isomer, Ph.D","venue":null,"work_id":"60db71fe-6af1-48da-a997-1de1ef698fbc","year":2021},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.076255Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:34088a3ff81ab9bf52d87e0022b80c8e6ac104632d684bdf54d7ed93c20fa93d","observation_id":"54e802bc-33c7-4383-8776-f460210369b3","resolution":{"observed_at":"2026-08-06T12:19:27.599837Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.588234Z","title":"Backe, M","venue":null,"work_id":"a83bb0af-7710-43ce-b214-eb6428fbe91e","year":1998},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.079107Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:d7ca4a849512d3f27daa19fbed5b5486c6980a9a7a1b10ff73610c96b8cf99e6","observation_id":"3ed24526-0b04-4f86-881a-3d4359fd0bc0","resolution":{"observed_at":"2026-08-06T12:19:27.591058Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1211.6649","last_updated":"2012-11-28T16:38:53Z","snapshot_observed_at":"2026-07-06T03:00:49.811360Z","submitted_at":"2012-11-28T16:38:53Z","title":"The in-gas-jet laser ion source: resonance ionization spectroscopy of radioactive atoms in supersonic gas jets","version":1},"cited_work":{"arxiv_id":"1211.6649","doi":null,"metadata_source":"pith","pith_arxiv_id":"1211.6649","snapshot_observed_at":"2026-08-06T12:19:27.250493Z","title":"The in-gas-jet laser ion source: resonance ionization spectroscopy of radioactive atoms in supersonic gas jets","venue":"physics.atom-ph","work_id":"0772a3b3-e1f2-4e2a-bd64-9b01a3ed43ab","year":2012},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.081900Z"},"links":{"cited_paper":"/paper/1211.6649","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:ec28cd3b64358b3e50268c76a4f8e404690cd49d93c826a80665f02c4891207b","observation_id":"32171d0b-d598-491a-abe3-540e7c68a4e0","resolution":{"observed_at":"2026-08-06T12:19:27.253854Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.579801Z","title":"Raeder, B","venue":null,"work_id":"b7648603-a0b6-456e-9258-d324895ad173","year":2016},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.084718Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:abbd9cb419696544367be042fe97deacdf3cf720c02918291cd80a8882e00b7a","observation_id":"a61a7881-81c6-4306-b4de-b3f5385f80d0","resolution":{"observed_at":"2026-08-06T12:19:27.582492Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.571347Z","title":"Ferrer, A","venue":null,"work_id":"53285885-5612-44b6-b3f4-6a826f0ce08a","year":2017},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.087701Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:a7d1ff0dc8cc99c11bd4c13c07f90d4f590ddf08053e9acd35e253240a3cb592","observation_id":"99a5b0d6-d1e3-4069-8f5f-99b2b8bc9265","resolution":{"observed_at":"2026-08-06T12:19:27.573938Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.562075Z","title":"Ferrer, M","venue":null,"work_id":"358ebdaa-e9fd-4427-afa2-35d203854f8a","year":2021},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.090384Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:d692a1bef1b074763900eeaa2f924e5a4966ef2a0dd2eac3d5d1a2d01f83b7a9","observation_id":"fec6401b-fde7-4c21-8492-d5be0f362855","resolution":{"observed_at":"2026-08-06T12:19:27.564745Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.553377Z","title":"Lantis, A","venue":null,"work_id":"40cc48bc-e167-4f0c-9873-69387c5e7b69","year":2024},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.093029Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:8ff6de9b645dd15648f3a7f320a6abecd61f2d6e974f403b1d8cf2392f491256","observation_id":"9e4e4ca3-5bad-4592-86fd-79b92a251f61","resolution":{"observed_at":"2026-08-06T12:19:27.556043Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.543670Z","title":"Claessens, Laser ionization spectroscopy of 254No and 229Th in hypersonic gas jets , Ph.D","venue":null,"work_id":"27e8888b-fe30-4ba2-bcad-09eb8e0747d5","year":2024},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.095881Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:caedeca622fa0de5b7308202fdd9a576a3f53b33590c4316d2d41b98caa67046","observation_id":"cb0a8030-bb8a-4483-b2da-41a7320df416","resolution":{"observed_at":"2026-08-06T12:19:27.546907Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.534939Z","title":"Verlinde, R","venue":null,"work_id":"12eb94c5-c1da-4fb6-a61f-cdd28127fc60","year":2020},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.098562Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:bb00993da8fbfd6ce2b5f935e5f7c42602ec4d548ec2529dc253f35cf35ac6d7","observation_id":"de1d82da-f15d-43df-a798-d861388f1167","resolution":{"observed_at":"2026-08-06T12:19:27.537738Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.526484Z","title":null,"venue":null,"work_id":"8faee375-d030-40d0-a6cd-9132522aed28","year":2012},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.101240Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:2b873d9a9ee9e0a3e1d43ba215b34a61fabf6f1d32659fabc4275b07b4f82b7f","observation_id":"e37bb658-3c7f-4e08-a02a-b95d3b4f9a22","resolution":{"observed_at":"2026-08-06T12:19:27.529325Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.516949Z","title":"Claessens, F","venue":null,"work_id":"f7487f19-6992-412d-bd86-c190edf55020","year":2023},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.104035Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:1b8fef25992ee519215d1f3aa5f3b30dd38427076344b3c19aee91f08ab380e5","observation_id":"e268ef79-bce4-41fb-ad4f-e5eb35c60d9c","resolution":{"observed_at":"2026-08-06T12:19:27.519800Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1308.5229","last_updated":"2014-01-23T21:31:53Z","snapshot_observed_at":"2026-07-06T02:11:23.670680Z","submitted_at":"2013-08-23T20:00:03Z","title":"The Spectrum of Thorium from 250 nm to 5500 nm: Ritz Wavelengths and Optimized Energy Levels","version":3},"cited_work":{"arxiv_id":"1308.5229","doi":null,"metadata_source":"pith","pith_arxiv_id":"1308.5229","snapshot_observed_at":"2026-08-06T12:19:27.238054Z","title":"The Spectrum of Thorium from 250 nm to 5500 nm: Ritz Wavelengths and Optimized Energy Levels","venue":"astro-ph.IM","work_id":"7c66768e-4c8e-41e4-8647-42340a39b023","year":2013},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.106784Z"},"links":{"cited_paper":"/paper/1308.5229","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:4abeec1726d2f19d1202edcd5b4a8bba2d2c23dcf68de9a0212343eae329b697","observation_id":"c2afe90c-2e47-4689-a53a-a53340b60f72","resolution":{"observed_at":"2026-08-06T12:19:27.241635Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.507950Z","title":"Kramida, Yu","venue":null,"work_id":"7bbf742e-21e7-401c-abea-33bb92bd22b6","year":2023},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.109619Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:5e36b8dcf45b3858f43569d822750a58f06f868160c3e322ecae6b097e72e54a","observation_id":"01679e8b-2680-4055-8657-8a2fe61188f3","resolution":{"observed_at":"2026-08-06T12:19:27.510754Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.497862Z","title":"Rothe, A","venue":null,"work_id":"a5749c38-b3bb-47a3-9ca7-2dbc7d72fb19","year":2013},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.112087Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:fe8e56b40f998cf864fa476eaeee1ff1adaa6e30e49ce3845bdb73adc411fd8c","observation_id":"53a3afa9-6b3a-40a8-8bea-a68fe7bc6520","resolution":{"observed_at":"2026-08-06T12:19:27.501127Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.488126Z","title":"Rothe, An all-solid state laser system for the laser ion source RILIS and in-source laser spectroscopy of astatine at ISOLDE/CERN , Ph.D","venue":null,"work_id":"0be42df9-1fa5-49e1-bcc0-560c4a2e1da1","year":2012},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.114737Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:ba319b4055145c232a609de821f45d32d701668f767d4c75cd7729a4f558b9a5","observation_id":"6f798896-f2b4-48f9-a595-241ef2b2cd29","resolution":{"observed_at":"2026-08-06T12:19:27.491721Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.479716Z","title":"Vascon, S","venue":null,"work_id":"35e09aea-47fb-43a1-9058-4b5a58c86de6","year":2012},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.117515Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:bcc289191790f10c34a5d590afe69cabf6c2dd46739e130291da258a4e266234","observation_id":"8316fef1-0613-4d1a-9318-94a03ebd8a04","resolution":{"observed_at":"2026-08-06T12:19:27.482455Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.470996Z","title":null,"venue":null,"work_id":"2e8628bd-85c3-470c-aab8-eb1bfc49a6b9","year":2020},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.120552Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:abc2892258d4e6411b4feb65e52dd27b9701ba2a8e0d13e49595424790b03ad8","observation_id":"f6d3bf1f-0f43-47f3-9520-a7b628508671","resolution":{"observed_at":"2026-08-06T12:19:27.473808Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.461167Z","title":null,"venue":null,"work_id":"84eb5c06-71f1-4271-aa0d-e1bd6541b3e1","year":2021},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.123202Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:5bf1ca8be6c6f33c1cf3ae85295723d85002b43f915052f10c44c5849cd52f37","observation_id":"8aced1d0-0a35-4fae-9c9c-13c768ac0b0c","resolution":{"observed_at":"2026-08-06T12:19:27.464409Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.451559Z","title":"K¨ ohler, R","venue":null,"work_id":"0869fee6-d41e-47af-b34c-d57250b9c57f","year":1997},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.125985Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:a7fbf3fe3c552189582c07f869411b81986ad770f176acc2dd670b1c83319136","observation_id":"b5a1663d-6051-4637-9725-333b35099653","resolution":{"observed_at":"2026-08-06T12:19:27.454439Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.442323Z","title":"Liu and D","venue":null,"work_id":"acb42414-44df-4699-8967-792b7e978051","year":2020},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.128786Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:37295d0ed439ccfbdde0467c9611e8c343e3b5376567401fe46cd1ad93474d2a","observation_id":"dc22a761-4d40-48d2-8c53-18f32103050d","resolution":{"observed_at":"2026-08-06T12:19:27.445604Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1105.4646","last_updated":"2011-05-23T22:12:54Z","snapshot_observed_at":"2026-07-06T02:28:10.940265Z","submitted_at":"2011-05-23T22:12:54Z","title":"Resonance ionization spectroscopy of thorium isotopes - towards a laser spectroscopic identification of the low-lying 7.6 eV isomer of Th-229","version":1},"cited_work":{"arxiv_id":"1105.4646","doi":null,"metadata_source":"pith","pith_arxiv_id":"1105.4646","snapshot_observed_at":"2026-08-06T12:19:27.223905Z","title":"Resonance ionization spectroscopy of thorium isotopes - towards a laser spectroscopic identification of the low-lying 7.6 eV isomer of Th-229","venue":"physics.atom-ph","work_id":"eab20aab-2fdb-412b-bd2e-332c476b546e","year":2011},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.131402Z"},"links":{"cited_paper":"/paper/1105.4646","citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:ea3c6ea2174c8f3ae1125d333e441ee5fbc1b7c7abb41ff1f710c8c099868c46","observation_id":"df057596-8839-492a-8604-5168482c2cb8","resolution":{"observed_at":"2026-08-06T12:19:27.228069Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.433428Z","title":"Tomita, A","venue":null,"work_id":"2e069b58-5a30-4e7a-8a20-b32f1842ff40","year":2018},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.134574Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:177cb138b8ae7636055775dc91833fdeb3253406cc443ed2467b4ad633de48c9","observation_id":"45f0f167-e2ab-4abd-9de1-eb59b769c3bf","resolution":{"observed_at":"2026-08-06T12:19:27.436428Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.137144Z","title":"Tiesinga, P","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.137144Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:2d925c27148c7f5147a62543f5ff444645ba9c2ef81898cc600da658678991c7","observation_id":"07296d12-ef55-461b-9c78-2955fbf7cdd7","resolution":{"observed_at":"2026-08-06T12:19:27.137144Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.424500Z","title":null,"venue":null,"work_id":"25ade8fc-24b5-4a44-a62b-c511f44d95c2","year":1987},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.140038Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:8134a097be8dd1fd92ff02a9f37a7d361148ea19ce5b2eecb409d84fd0fab35f","observation_id":"b7eb2335-ab39-4915-8dbf-602a5befa3fa","resolution":{"observed_at":"2026-08-06T12:19:27.427305Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.411262Z","title":null,"venue":null,"work_id":"f42c8daf-6d33-4b1a-994e-55b4604c410f","year":1976},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.142536Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:aad0bc94344962c710a87063a05f8e02cd1de5b7d203fef1a637d4e7649b7484","observation_id":"bfde5a5b-ee25-48d4-a1c2-22b7e79dd661","resolution":{"observed_at":"2026-08-06T12:19:27.413888Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.402735Z","title":"Naubereit, T","venue":null,"work_id":"a497dc54-ee8f-4ba0-ab95-ddb3e4e0b5dd","year":2018},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.145463Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:f32a813b88e33ed7e99c686df4f365e225e0bbd05f6e674a9e0ab46964050fe3","observation_id":"a828a4c0-274e-4cf2-ba3d-384796d97d08","resolution":{"observed_at":"2026-08-06T12:19:27.405593Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.148805Z","title":"Sonnenschein, S","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.148805Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:f501f03ba4be4cae8069338abf84f3021dd7d8fda97fbb33ca66bf811e516a15","observation_id":"ad0b9a68-e15a-4f71-b0e8-bf06756ae278","resolution":{"observed_at":"2026-08-06T12:19:27.148805Z","resolver_source":null,"status":"malformed_identifier"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.394233Z","title":null,"venue":null,"work_id":"a4e5f213-18d7-4849-be1e-85b142797c95","year":1981},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.151964Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:360366d4158a0f28a1496fb2cfd8619cd13d2ab652fbea0a7cad756469534ef7","observation_id":"dd25db62-f461-4ce1-9a51-e46dc9fb9b0b","resolution":{"observed_at":"2026-08-06T12:19:27.397365Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.385234Z","title":"Quinet, P","venue":null,"work_id":"af8b76b7-21ac-4523-80c3-048ec05b3462","year":1999},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":45,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.154891Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:0271a8b02b97c64782e5e69177b7708dc8174604b4a000e55f5bdf1b50da61a2","observation_id":"d5b1627f-14fb-47ef-8bc7-24569291dbaf","resolution":{"observed_at":"2026-08-06T12:19:27.388246Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.376287Z","title":"Quinet, P","venue":null,"work_id":"f9413ea2-5d97-41a0-a822-de22c66050e6","year":2002},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":46,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.157561Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:60a609e9fcae877e86fc55ba944940682726512acc094220b082aa1b6654bdc0","observation_id":"2fdeb472-2436-43bd-9309-e74d9ae3d008","resolution":{"observed_at":"2026-08-06T12:19:27.379081Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.676605Z","title":null,"venue":null,"work_id":"76ff937f-2a4e-4e59-b208-ddce01921281","year":1937},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":47,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.022031Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:a8a563c56c80769312c0599c3df23bed82c7b064ce79074a1247d54e97b58246","observation_id":"8ab78858-5b4e-467e-8284-bfc59cef0e8e","resolution":{"observed_at":"2026-08-06T12:19:27.679447Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.366839Z","title":"Fraga, J","venue":null,"work_id":"fa0983be-0db2-42dc-9959-c695b76109d1","year":1976},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":48,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.160377Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:6618e34999bba6e7f4ee977fa1c91a6a8319d9cc25fd5aa8b8491fb24345d61e","observation_id":"dc21d33f-374c-4685-a0f9-2691f70d6442","resolution":{"observed_at":"2026-08-06T12:19:27.369837Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.357904Z","title":null,"venue":null,"work_id":"5ad34065-26be-4532-b617-2eae46c81a6e","year":2007},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.162973Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:616defa2cc9c4fe455f9f2add84cbf8f7ccbfe3faa5cac222ab8e74041ef732c","observation_id":"5e61ee36-0e67-4430-9960-ca647c89dd0d","resolution":{"observed_at":"2026-08-06T12:19:27.360678Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.347958Z","title":"Froese Fischer, G","venue":null,"work_id":"224f7ab1-1037-4365-b67a-8ff429eaa6ea","year":2019},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":50,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.165538Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:085f0fecb389502b10caeec0dd0d5dc9426ad7dc7ff2774864e7bc5ea4db43a8","observation_id":"61bec37e-8fd0-43fd-9f9d-672d9ee39956","resolution":{"observed_at":"2026-08-06T12:19:27.351426Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T12:19:27.339298Z","title":"Weigand, X","venue":null,"work_id":"fdd5acb6-1e69-4cf2-926e-e42c0fb17ac5","year":2014},"citing_paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$","version":1},"reference_index":51,"source":"pdf_text","source_observed_at":"2026-08-06T12:19:27.168261Z"},"links":{"citing_paper":"/paper/2507.21946"},"observation_digest":"sha256:b09b739956e82b32dfe975317a8c1f4f7975428bff159f041de8d3b70c23c207","observation_id":"2b923968-55f8-4c2a-9483-a285a3dc727c","resolution":{"observed_at":"2026-08-06T12:19:27.342119Z","resolver_source":"raw_fallback","status":"malformed_identifier"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2507.21946","last_updated":"2025-07-29T16:00:07Z","latest_version":1,"primary_category":"physics.atom-ph","snapshot_observed_at":"2026-08-10T09:46:18.650159Z","submitted_at":"2025-07-29T16:00:07Z","title":"Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th$^+$"},"reference_resolution":{"displayed":51,"state_counts":{"malformed_identifier":3,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":16,"verified_exact":8,"verified_fuzzy":24},"total_outbound_references":51},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"thesis":"As of 11 August 2026, this Paper Citation Record lists 51 of 51 outbound references and 0 inbound Pith citation observations for arXiv:2507.21946."}