ingest_error: 49

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
49	doi:10.18653/v1/2020.emnlp-main.609	openalex	https://openalex.org/W2964179635	404	Referenced OpenAlex work omitted by batch and HTTP 404 individually; edge not imported; source check remains partial.	2026-09-07T01:02:25.022Z