{"as_of":"2026-08-18T10:26:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:fb1c927662c36d5a028569935b78a6cf2dd65355334af1fe1513fc14171d857f","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":2,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":2,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-18T06:34:40.430872+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-15T23:56:20.650668Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-08-15T21:43:17.761375Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1905.02094","last_updated":"2019-05-09T14:36:37Z","snapshot_observed_at":"2026-08-16T19:58:15.950088Z","submitted_at":"2019-05-06T15:21:12Z","title":"A 10-qubit solid-state spin register with quantum memory up to one minute","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1905.02094","snapshot_observed_at":"2026-08-15T23:56:20.650668Z","title":null,"venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2505.03877","last_updated":"2026-08-17T10:32:26Z","snapshot_observed_at":"2026-08-18T10:14:59.577217Z","submitted_at":"2025-05-06T18:00:01Z","title":"Non-Gaussian Noise Magnetometry Using Local Spin Qubits","version":2},"reference_index":102,"source":"pdf_text","source_observed_at":"2026-08-15T23:56:20.650668Z"},"links":{"cited_paper":"/paper/1905.02094","citing_paper":"/paper/2505.03877"},"observation_digest":"sha256:bfec9207dea35ee8c9eaf6b4b742e6d45dd5ebdbb52a5bcb8c69669e30c631df","observation_id":"3d5ec120-c429-444a-8568-a417cb484b15","resolution":{"observed_at":"2026-08-15T23:56:20.650668Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1905.02094","last_updated":"2019-05-09T14:36:37Z","snapshot_observed_at":"2026-08-16T19:58:15.950088Z","submitted_at":"2019-05-06T15:21:12Z","title":"A 10-qubit solid-state spin register with quantum memory up to one minute","version":2},"cited_work":{"arxiv_id":"1905.02094","doi":null,"metadata_source":"pith","pith_arxiv_id":"1905.02094","snapshot_observed_at":"2026-08-15T21:43:17.761375Z","title":"A 10-qubit solid-state spin register with quantum memory up to one minute","venue":"quant-ph","work_id":"eca7756f-c140-4e5d-a3f8-07a66c8dcf79","year":2019},"citing_paper":{"arxiv_id":"2505.09267","last_updated":"2025-05-14T10:36:22Z","snapshot_observed_at":"2026-08-15T21:33:37.995324Z","submitted_at":"2025-05-14T10:36:22Z","title":"High-Fidelity Control of a Strongly Coupled Electro-Nuclear Spin-Photon Interface","version":1},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-15T21:43:17.621626Z"},"links":{"cited_paper":"/paper/1905.02094","citing_paper":"/paper/2505.09267"},"observation_digest":"sha256:ca71721d6b036cae5ab1bf7fff9fd6115cb6459905a0325e2809bf6d013eaf3d","observation_id":"41bbe4aa-f91b-400b-9bf4-9d77f6d9e756","resolution":{"observed_at":"2026-08-15T21:43:17.766928Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1905.02094/citation-record","integrity":"/paper/1905.02094/integrity","json":"/paper/1905.02094/citation-record.json","paper":"/paper/1905.02094"},"outbound":[],"paper":{"arxiv_id":"1905.02094","last_updated":"2019-05-09T14:36:37Z","latest_version":2,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-16T19:58:15.950088Z","submitted_at":"2019-05-06T15:21:12Z","title":"A 10-qubit solid-state spin register with quantum memory up to one minute"},"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":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"thesis":"As of 18 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1905.02094."}