Pith Number

pith:SKNVB2V6

pith:2019:SKNVB2V6DLQ3QAVKVF3AXKOAQQ

not attested not anchored not stored refs pending

Geometry of central extensions of nilpotent Lie algebras

D.V. Millionshchikov, R. Jimenez

arxiv:1905.00214 v1 · 2019-05-01 · 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{SKNVB2V6DLQ3QAVKVF3AXKOAQQ}

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	2026-05-17T23:47:13.440386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

929b50eabe1ae1b802aaa9760ba9c0841e8311101586449b3073434510c68574

Aliases

arxiv: 1905.00214 · arxiv_version: 1905.00214v1 · doi: 10.48550/arxiv.1905.00214 · pith_short_12: SKNVB2V6DLQ3 · pith_short_16: SKNVB2V6DLQ3QAVK · pith_short_8: SKNVB2V6

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/SKNVB2V6DLQ3QAVKVF3AXKOAQQ \
  | 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: 929b50eabe1ae1b802aaa9760ba9c0841e8311101586449b3073434510c68574

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4aaa5d7537627af52a5ba9e79d1f5e6ae5fc7f654f712fcf1ed1235ec05b441",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-05-01T07:56:01Z",
    "title_canon_sha256": "5462675c7f4939af794dcac91eff65f9c3c9e7efeeb6683ca060c85c80c52153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00214",
    "kind": "arxiv",
    "version": 1
  }
}