Pith Number

pith:UXR3FFKX

pith:2011:UXR3FFKXQHLXFF4R43MKPBYCFP

not attested not anchored not stored refs pending

Second cohomology for finite groups of Lie type

Andrew J. Talian, Benjamin J. Wyser (University of Georgia VIGRE Algebra Group), Brandon L. Samples, Brian Bonsignore, Brian D. Boe, Christopher M. Drupieski, Daniel K. Nakano, Jon F. Carlson, Leonard Chastkofsky, Lisa Townsley, Nham Vo Ngo, Niles Johnson, Phong Thanh Luu, Theresa Brons, Tiago Macedo, Wenjing Li

arxiv:1110.0228 v2 · 2011-10-02 · math.RT · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXR3FFKXQHLXFF4R43MKPBYCFP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:55:24.751742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5e3b2955781d7729791e6d8a787022bf87bca030ecd2929b97e9609a94ee917

Aliases

arxiv: 1110.0228 · arxiv_version: 1110.0228v2 · doi: 10.48550/arxiv.1110.0228 · pith_short_12: UXR3FFKXQHLX · pith_short_16: UXR3FFKXQHLXFF4R · pith_short_8: UXR3FFKX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UXR3FFKXQHLXFF4R43MKPBYCFP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a5e3b2955781d7729791e6d8a787022bf87bca030ecd2929b97e9609a94ee917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ea0b2b45dc20de4f7e9c110e3d7ec10d8ac916ddcc9444b6a914f13ac232858",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2011-10-02T20:32:16Z",
    "title_canon_sha256": "900f3eb12c48164edf9dbf9e8ea1f5e5b29af5df755a2258fadd53ec0b6cd52f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0228",
    "kind": "arxiv",
    "version": 2
  }
}