ingest_error: 4

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
4	arxiv:2601.05930	s2	https://api.semanticscholar.org/graph/v1/paper/ARXIV:2601.05930	429	Semantic Scholar paperId lookup HTTP 429 during #164 ingest; field left null. Do not invent an id.	2026-09-02T00:57:56Z