CivicMemory

Timeline / Data.gov — Health Datasets

changed Source changed

A new raw object was archived. Both versions are preserved. 82 line(s) added, 82 line(s) removed.

Evidence

SourceData.gov — Health Datasets
AgencyData.gov
URLhttps://api.gsa.gov/technology/datagov/v4/search?q=health&sort=last_harvested_date&per_page=100&api_key=${DATAGOV_API_KEY}
Observed by Civic Memory, directly, on 2026-09-09T18:19:23+00:00
Content typeapplication/json
Current object 9001a4b31db8064ac5919eeb4c8132dd575622b5f5afcc3ff37ade2fb629d851 download raw metadata
Previous object 540c2dd41348bbc7000689df5f14f684504035d6235531688ea8af2c3ef4a9b6 download raw metadata

What changed derived

This diff is not evidence. It was produced by civic-memory.diff_engine 1.1.0 at 2026-09-09T18:19:23+00:00 by normalizing the two archived objects above. The objects are authoritative; this reading of them can be regenerated or deleted without loss. 82 line(s) added, 82 line(s) removed.

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+ "description": "The Rosetta COSIMA data contains the operational history of the 72 dust collecting substrates from the installation inside the instrument. This dataset contains data from 2002-05-29 up to 2016-09-30. The operations are either expose, storage, spectra, peaks, scans, heating, imaging or grain lists. The data is grouped by the substrate and time. Up to the 2014-08 the aim of the data has been the instrument health and operational functionality, not statistically significant substrate background spectra. From 2014-08 onward the D0 substrate set was used to collect dust collected in the vicinity of 67P/CHURYUMOV GERASIMENKO 1 (1969 R1) and dust analysis with TOF-SIMS. From 2014-10-23 onward due to an instrument failure, the SIMS data became scientifically unusable. While other SIMS parameter sets were tested, substrates CF were exposed from mid 2015-12 and C7 from mid 2015-02. End of March 2015 SIMS became operational again. D1 and CD were exposed and SIMS was done with CD, CF and D1. In June TOF-SIMS was done with CF and D1. In July C7 was measured again, while CD was used for expose and TOF-SIMS up to October. D2 was exposed in September. Grains crushing was tested on D0 in February and March. C3 was used for expose from May. Emitter C extractor control voltage got a short in June and from August it was used with tip voltage control only. This data set supersedes all previous COSIMA datasets, like RO-C-COSIMA-3-V1.0, RO-C-COSIMA-3-V2.0, RO-C-COSIMA-3-V3.0, RO-C-COSIMA-3-V4.0, RO-C-COSIMA-3-V5.0, RO-CAL-COSIMA-2-V1.0 and RO-CAL-COSI