ingest_error: 21

Failed lookups (S2 429, empty OpenAlex refs). First-class; do not invent the missing id.

Data license: Space charter; records cite primary sources · Data source: TeamScience Space repository

This data as json

id	lom_id	scheme	lookup	http_status	detail	ts
21	arxiv:2210.13777	openalex	https://openalex.org/W2963961878	404	Referenced OpenAlex work omitted by batch and HTTP 404 individually; edge not imported; source check remains partial.	2026-09-07T01:02:24.579Z