Pith Number

pith:WHA5RKGY

pith:2013:WHA5RKGYCBPOD4HM4RXPGJ2OQW

not attested not anchored not stored refs pending

Lie Derivations of Dual Extension Algebras

Feng Wei, Yanbo Li

arxiv:1303.0831 v1 · 2013-03-02 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHA5RKGYCBPOD4HM4RXPGJ2OQW}

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	2026-05-18T03:31:53.659637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1c1d8a8d8105ee1f0ece46ef3274e85994b2ba5e5832f62a6629b295a393910

Aliases

arxiv: 1303.0831 · arxiv_version: 1303.0831v1 · doi: 10.48550/arxiv.1303.0831 · pith_short_12: WHA5RKGYCBPO · pith_short_16: WHA5RKGYCBPOD4HM · pith_short_8: WHA5RKGY

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/WHA5RKGYCBPOD4HM4RXPGJ2OQW \
  | 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: b1c1d8a8d8105ee1f0ece46ef3274e85994b2ba5e5832f62a6629b295a393910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b75c019b9571651b58c8704e5095daadba318c770b8183dedc988c93d139a79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-03-02T10:59:15Z",
    "title_canon_sha256": "44b274b098713960c5596445aaf531bd01fa962a194405acc934e1983169f607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0831",
    "kind": "arxiv",
    "version": 1
  }
}