{"as_of":"2026-08-11T06:16:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:3f6ce7020f54092711385227add40007770b2c64d936e24cdca5364cf272bd8e","coverage":[{"denominator":0,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":6,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":6,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-10T06:31:04.303077+00:00","state":"measured"},{"denominator":6,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":6,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-09T20:23:34.607870Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-07-04T14:09:52.929633Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2103.08690","last_updated":"2021-03-15T20:20:57Z","snapshot_observed_at":"2026-07-06T10:50:11.579547Z","submitted_at":"2021-03-15T20:20:57Z","title":"Quantum-enhanced sensing of displacements and electric fields with large trapped-ion crystals","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2103.08690","snapshot_observed_at":"2026-08-09T20:23:34.607870Z","title":null,"venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2502.00093","last_updated":"2025-01-31T18:42:24Z","snapshot_observed_at":"2026-08-09T20:14:03.631559Z","submitted_at":"2025-01-31T18:42:24Z","title":"Probing Light Particles With Optically Trapped Sensors Through Nucleon Scattering","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-09T20:23:34.607870Z"},"links":{"cited_paper":"/paper/2103.08690","citing_paper":"/paper/2502.00093"},"observation_digest":"sha256:72005ef88ad5c6179c5d4545fa744af4f240076cdbf4a23a457b6e4f1fb4a399","observation_id":"a7ec2f67-88b6-40f6-82b9-1795fe04f886","resolution":{"observed_at":"2026-08-09T20:23:34.607870Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2103.08690","last_updated":"2021-03-15T20:20:57Z","snapshot_observed_at":"2026-07-06T10:50:11.579547Z","submitted_at":"2021-03-15T20:20:57Z","title":"Quantum-enhanced sensing of displacements and electric fields with large trapped-ion crystals","version":1},"cited_work":{"arxiv_id":"2103.08690","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2103.08690","snapshot_observed_at":"2026-07-04T14:09:52.929633Z","title":null,"venue":null,"work_id":"15db68da-4ca1-4ec5-8c0a-5abe75022681","year":2021},"citing_paper":{"arxiv_id":"2512.19053","last_updated":"2026-05-15T00:49:55Z","snapshot_observed_at":"2026-07-06T22:39:43.359149Z","submitted_at":"2025-12-22T05:42:49Z","title":"Quantum sensing of high-frequency gravitational waves with ion crystals","version":2},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-05-21T17:40:19.480801Z"},"links":{"cited_paper":"/paper/2103.08690","citing_paper":"/paper/2512.19053"},"observation_digest":"sha256:e3728bd9231c8259c9de60153bcfcf6bdf1d8681fb5420cd36cb005628f348f7","observation_id":"590c7e4d-9da5-41a9-8afc-cbc4fcbcc156","resolution":{"observed_at":"2026-05-21T17:40:26.057947Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2103.08690","last_updated":"2021-03-15T20:20:57Z","snapshot_observed_at":"2026-07-06T10:50:11.579547Z","submitted_at":"2021-03-15T20:20:57Z","title":"Quantum-enhanced sensing of displacements and electric fields with large trapped-ion crystals","version":1},"cited_work":{"arxiv_id":"2103.08690","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2103.08690","snapshot_observed_at":"2026-07-04T14:09:52.929633Z","title":null,"venue":null,"work_id":"15db68da-4ca1-4ec5-8c0a-5abe75022681","year":2021},"citing_paper":{"arxiv_id":"2604.22336","last_updated":"2026-04-24T08:09:07Z","snapshot_observed_at":"2026-08-05T19:12:36.012664Z","submitted_at":"2026-04-24T08:09:07Z","title":"Super-Heisenberg protocol for dark matter and high-frequency gravitational wave search","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-05-08T11:12:21.751004Z"},"links":{"cited_paper":"/paper/2103.08690","citing_paper":"/paper/2604.22336"},"observation_digest":"sha256:02138f4fa6a09e3269e3d014de6b5a78910b76d533517e090518cdcbea19b780","observation_id":"1fdc3209-08d4-443e-b05f-24b03465af72","resolution":{"observed_at":"2026-05-11T19:41:10.601016Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2103.08690","last_updated":"2021-03-15T20:20:57Z","snapshot_observed_at":"2026-07-06T10:50:11.579547Z","submitted_at":"2021-03-15T20:20:57Z","title":"Quantum-enhanced sensing of displacements and electric fields with large trapped-ion crystals","version":1},"cited_work":{"arxiv_id":"2103.08690","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2103.08690","snapshot_observed_at":"2026-07-04T14:09:52.929633Z","title":null,"venue":null,"work_id":"15db68da-4ca1-4ec5-8c0a-5abe75022681","year":2021},"citing_paper":{"arxiv_id":"2606.26736","last_updated":"2026-07-30T05:54:34Z","snapshot_observed_at":"2026-08-07T14:28:44.934771Z","submitted_at":"2026-06-25T08:18:33Z","title":"Coherent collective response in many-qubit systems for dark matter detection","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-06-26T04:30:57.964026Z"},"links":{"cited_paper":"/paper/2103.08690","citing_paper":"/paper/2606.26736"},"observation_digest":"sha256:e3100fb2be07dff41faaa85aeb35282197ddaa11ef32f057d899e91b60d29cf9","observation_id":"8334fd1a-02ea-4878-8436-5efdb26c4898","resolution":{"observed_at":"2026-07-04T14:09:52.931375Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2103.08690","last_updated":"2021-03-15T20:20:57Z","snapshot_observed_at":"2026-07-06T10:50:11.579547Z","submitted_at":"2021-03-15T20:20:57Z","title":"Quantum-enhanced sensing of displacements and electric fields with large trapped-ion crystals","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2103.08690","snapshot_observed_at":"2026-08-02T10:15:34.194853Z","title":null,"venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2606.26736","last_updated":"2026-07-30T05:54:34Z","snapshot_observed_at":"2026-08-07T14:28:44.934771Z","submitted_at":"2026-06-25T08:18:33Z","title":"Coherent collective response in many-qubit systems for dark matter detection","version":2},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-02T10:15:34.194853Z"},"links":{"cited_paper":"/paper/2103.08690","citing_paper":"/paper/2606.26736"},"observation_digest":"sha256:858994c420c9aff70dbfc353036e99d2218e68c94a9c27f696be9d2e9edafb7a","observation_id":"aa6e6b7b-db6b-438a-b54a-e81e5d42dfa2","resolution":{"observed_at":"2026-08-02T10:15:34.194853Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2103.08690","last_updated":"2021-03-15T20:20:57Z","snapshot_observed_at":"2026-07-06T10:50:11.579547Z","submitted_at":"2021-03-15T20:20:57Z","title":"Quantum-enhanced sensing of displacements and electric fields with large trapped-ion crystals","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2103.08690","snapshot_observed_at":"2026-07-31T18:22:20.701527Z","title":"Quantum-Enhanced Sensing of Displacements and Electric Fields with Large Trapped-Ion Crystals","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2607.24318","last_updated":"2026-07-27T12:00:53Z","snapshot_observed_at":"2026-08-10T09:55:22.387381Z","submitted_at":"2026-07-27T12:00:53Z","title":"Fast Generation of Metrologically Relevant Fock State Mixtures","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-07-31T18:22:20.701527Z"},"links":{"cited_paper":"/paper/2103.08690","citing_paper":"/paper/2607.24318"},"observation_digest":"sha256:dea37c3dd35e5558e571b4c760734c2501b24f8d8f474437917f2cc67b332e9e","observation_id":"7a0ae09d-1607-4d27-9096-b1673c6ef589","resolution":{"observed_at":"2026-07-31T18:22:20.701527Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2103.08690/citation-record","integrity":"/paper/2103.08690/integrity","json":"/paper/2103.08690/citation-record.json","paper":"/paper/2103.08690"},"outbound":[],"paper":{"arxiv_id":"2103.08690","last_updated":"2021-03-15T20:20:57Z","latest_version":1,"primary_category":"quant-ph","snapshot_observed_at":"2026-07-06T10:50:11.579547Z","submitted_at":"2021-03-15T20:20:57Z","title":"Quantum-enhanced sensing of displacements and electric fields with large trapped-ion crystals"},"reference_resolution":{"displayed":0,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":0,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":0},"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":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"thesis":"As of 11 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 6 inbound Pith citation observations for arXiv:2103.08690."}