Pith Number

pith:O4LBPFN5

pith:2015:O4LBPFN5ZU5P6J6IZ3JZHSVTJI

not attested not anchored not stored refs pending

Nilpotent Steiner loops of class 2

A. Grishkov, D. Rasskazova, I. Stuhl, M. Rasskazova

arxiv:1508.03399 v2 · 2015-08-14 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4LBPFN5ZU5P6J6IZ3JZHSVTJI}

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	2026-05-18T00:27:30.754172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77161795bdcd3aff27c8ced393cab34a113d957c9ce6353580afb8a9b01482ec

Aliases

arxiv: 1508.03399 · arxiv_version: 1508.03399v2 · doi: 10.48550/arxiv.1508.03399 · pith_short_12: O4LBPFN5ZU5P · pith_short_16: O4LBPFN5ZU5P6J6I · pith_short_8: O4LBPFN5

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/O4LBPFN5ZU5P6J6IZ3JZHSVTJI \
  | 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: 77161795bdcd3aff27c8ced393cab34a113d957c9ce6353580afb8a9b01482ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "335c6b03a004efdc1642fc3379ba4c0400630dcb18c2cf485dd5e297c7cac88d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-08-14T01:41:30Z",
    "title_canon_sha256": "cda84d3dd0c8852c36d13cdca897a907a45702166fb353eed941dce993b1b192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03399",
    "kind": "arxiv",
    "version": 2
  }
}