Pith Number

pith:7IMZBLSQ

pith:2014:7IMZBLSQNU3U24PR3OWKVV5YAN

not attested not anchored not stored refs pending

Universal central extensions of $\mathfrak{sl}(m, n, A)$ of small rank over associative superalgebras

Manuel Ladra, Xabier Garc\'ia-Mart\'inez

arxiv:1405.4035 v2 · 2014-05-15 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7IMZBLSQNU3U24PR3OWKVV5YAN}

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	2026-05-18T02:48:17.029795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa1990ae506d374d71f1dbacaad7b8034ae25ace23c459262056bd88e3791678

Aliases

arxiv: 1405.4035 · arxiv_version: 1405.4035v2 · doi: 10.48550/arxiv.1405.4035 · pith_short_12: 7IMZBLSQNU3U · pith_short_16: 7IMZBLSQNU3U24PR · pith_short_8: 7IMZBLSQ

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/7IMZBLSQNU3U24PR3OWKVV5YAN \
  | 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: fa1990ae506d374d71f1dbacaad7b8034ae25ace23c459262056bd88e3791678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ca83cbfc545fc248f329b69fe7e96dcf8b27a0da2c67d0f4f07923f00d25ec5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2014-05-15T23:30:41Z",
    "title_canon_sha256": "9264878fd032e75da6d2eab6046650955fde4dee61d397d144ddee06eb92b1fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4035",
    "kind": "arxiv",
    "version": 2
  }
}