Pith Number

pith:YFSSUK6S

pith:2014:YFSSUK6SJECDWRUSBU2YHTPS5G

not attested not anchored not stored refs pending

Classification of problematic subgroups of U(n)

Julia E. Bergner, Kathryn Lesh, Kirsten Wickelgren, Ruth Joachimi, Vesna Stojanoska

arxiv:1407.0062 v4 · 2014-06-30 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YFSSUK6SJECDWRUSBU2YHTPS5G}

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	2026-05-18T00:32:32.820189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1652a2bd249043b46920d3583cdf2e9b25fe2b704bcd3513a69c5fdf94485b4

Aliases

arxiv: 1407.0062 · arxiv_version: 1407.0062v4 · doi: 10.48550/arxiv.1407.0062 · pith_short_12: YFSSUK6SJECD · pith_short_16: YFSSUK6SJECDWRUS · pith_short_8: YFSSUK6S

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/YFSSUK6SJECDWRUSBU2YHTPS5G \
  | 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: c1652a2bd249043b46920d3583cdf2e9b25fe2b704bcd3513a69c5fdf94485b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83235f44d78ae121a01f0e104888643a91a70e6689c3164f7fa256f4547f3bf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-06-30T21:27:17Z",
    "title_canon_sha256": "c83a781886dc877ff46fa8bcb3270ba8fe675be1659f3dfc4d2a26c234aadf4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0062",
    "kind": "arxiv",
    "version": 4
  }
}