Pith Number

pith:J4A5FTKJ

pith:2017:J4A5FTKJOMU64372XRMTDZCEZ3

not attested not anchored not stored refs pending

On groups with automorphisms whose fixed points are Engel

Cristina Acciarri, Danilo San\c{c}\~ao da Silveira, Pavel Shumyatsky

arxiv:1702.02899 v1 · 2017-02-09 · 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{J4A5FTKJOMU64372XRMTDZCEZ3}

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	2026-05-18T00:51:02.089939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f01d2cd497329ee6ffabc5931e444cef491ce9957ff46afa777589c3c26a647

Aliases

arxiv: 1702.02899 · arxiv_version: 1702.02899v1 · doi: 10.48550/arxiv.1702.02899 · pith_short_12: J4A5FTKJOMU6 · pith_short_16: J4A5FTKJOMU64372 · pith_short_8: J4A5FTKJ

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/J4A5FTKJOMU64372XRMTDZCEZ3 \
  | 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: 4f01d2cd497329ee6ffabc5931e444cef491ce9957ff46afa777589c3c26a647

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "175e9216441c65ab595f909fa1c24cd265331debb31f4dcf29d8e2a3645b5571",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-02-09T17:09:45Z",
    "title_canon_sha256": "20f6dd5e7fa34b7f66ac0a10752740bf0545763c28a61db5f0a07e74532930df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02899",
    "kind": "arxiv",
    "version": 1
  }
}