{"as_of":"2026-08-05T10:25:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:7da14cfccdcdf629df0123ab5e82baab094df9a2c6d3280d47d2ba1d1c76e0c8","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":1,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":1,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-05T06:32:48.257954+00:00","state":"measured"},{"denominator":1,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":1,"source":"paper_references, paper_reference_links","source_observed_at":"2026-05-09T16:03:25.036082Z","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":"2026-05-11T16:36:08.447323Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1907.04507","last_updated":"2021-01-24T12:22:51Z","snapshot_observed_at":"2026-07-06T08:06:44.034117Z","submitted_at":"2019-07-10T04:53:30Z","title":"Experimental exploration of five-qubit quantum error correcting code with superconducting qubits","version":2},"cited_work":{"arxiv_id":"1907.04507","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1907.04507","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"a836311a-772b-45c2-b86e-da6d7353bccc","year":2022},"citing_paper":{"arxiv_id":"2605.02861","last_updated":"2026-05-04T17:37:24Z","snapshot_observed_at":"2026-07-06T23:15:51.008483Z","submitted_at":"2026-05-04T17:37:24Z","title":"Opportunities and challenges in scaling quantum error detection on hardware","version":1},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-05-09T16:03:25.036082Z"},"links":{"cited_paper":"/paper/1907.04507","citing_paper":"/paper/2605.02861"},"observation_digest":"sha256:c68961ec4607cdb5faeef906e56f0ff3459b6bdfab686d0d5db68d5001a1235a","observation_id":"52ce778c-4ecd-4252-b2ce-6c84d421543b","resolution":{"observed_at":"2026-05-11T16:36:08.450333Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1907.04507/citation-record","integrity":"/paper/1907.04507/integrity","json":"/paper/1907.04507/citation-record.json","paper":"/paper/1907.04507"},"outbound":[],"paper":{"arxiv_id":"1907.04507","last_updated":"2021-01-24T12:22:51Z","latest_version":2,"primary_category":"quant-ph","snapshot_observed_at":"2026-07-06T08:06:44.034117Z","submitted_at":"2019-07-10T04:53:30Z","title":"Experimental exploration of five-qubit quantum error correcting code with superconducting qubits"},"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":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"thesis":"As of 5 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1907.04507."}