Source history
Detailed backend records are private. Public author/source status appears above.
The permanent identity and original source provenance are retained below.
{
"key": "work:W000050:pdf:515109098ae5cd73bf266fa97bf498b4e8c7adb6e936be67e6fa9a86bb69020d:page:1867:bbox:90.0,573.807,479.004,588.707",
"first_source_version": "2018-02-03",
"chapter": "work-w000050",
"work": "W000050",
"kind": "Lemma",
"number": "B",
"title": "Lemma B.1.2.1. Let f : A Ñ B be a map of connective E8-rings. Assume that:",
"source_version": "2018-02-03",
"source": {
"pdf_sha256": "515109098ae5cd73bf266fa97bf498b4e8c7adb6e936be67e6fa9a86bb69020d",
"page": 1867,
"bbox": [
90.0,
573.807,
479.004,
588.707
]
},
"target": "/chapters/work-w000050.html",
"identity_basis": "pinned original PDF hash and exact page/bbox; never display number",
"status": "active"
}