Pith Number

pith:SV2NZTIR

pith:2008:SV2NZTIRF3AF2QFBD4ADEMSKT5

not attested not anchored not stored refs pending

On Central Automorphisms Fixing the Center Element-wise

Manoj K. Yadav

arxiv:0803.4081 v2 · 2008-03-28 · 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{SV2NZTIRF3AF2QFBD4ADEMSKT5}

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	2026-05-18T04:31:20.613528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9574dccd112ec05d40a11f0032324a9f54834ace9e4e259448c4579391fba798

Aliases

arxiv: 0803.4081 · arxiv_version: 0803.4081v2 · doi: 10.48550/arxiv.0803.4081 · pith_short_12: SV2NZTIRF3AF · pith_short_16: SV2NZTIRF3AF2QFB · pith_short_8: SV2NZTIR

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/SV2NZTIRF3AF2QFBD4ADEMSKT5 \
  | 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: 9574dccd112ec05d40a11f0032324a9f54834ace9e4e259448c4579391fba798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4ac439ccc15d2d8d37959e91aea5760dd1eeb403fad323fb388882d7d7a5915",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2008-03-28T10:26:29Z",
    "title_canon_sha256": "ead3ae4c72d6407f4e133aa2e420471e9e3a9ba9bbaa4c2d3ae14f1ebaa7c478"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.4081",
    "kind": "arxiv",
    "version": 2
  }
}