Pith Number

pith:36VTWEKX

pith:2010:36VTWEKXKG7UTJP7O3O5TWIZOO

not attested not anchored not stored refs pending

DJKM algebras I: Their Universal Central Extension

Ben Cox, Vyatcheslav Futorny

arxiv:1009.0943 v1 · 2010-09-05 · math.RA · 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{36VTWEKXKG7UTJP7O3O5TWIZOO}

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	2026-05-18T03:15:58.015129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfab3b115751bf49a5ff76ddd9d91973909303004b1c2b8979990533a9e487fa

Aliases

arxiv: 1009.0943 · arxiv_version: 1009.0943v1 · doi: 10.48550/arxiv.1009.0943 · pith_short_12: 36VTWEKXKG7U · pith_short_16: 36VTWEKXKG7UTJP7 · pith_short_8: 36VTWEKX

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/36VTWEKXKG7UTJP7O3O5TWIZOO \
  | 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: dfab3b115751bf49a5ff76ddd9d91973909303004b1c2b8979990533a9e487fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23a262b2d804e50a7a62f54048b55bc6841fdbe8edfe76fd851439bd8e87b10e",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2010-09-05T19:55:49Z",
    "title_canon_sha256": "f32ab4295a650dc17d6c2cb0039ec9800c0651fed244af4e2f6cfbe099f1263f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0943",
    "kind": "arxiv",
    "version": 1
  }
}