Pith Number

pith:SPQCJO5R

pith:2012:SPQCJO5RD2VWPOEFUKWNI7JYDQ

not attested not anchored not stored refs pending

Some word maps that are non-surjective on infinitely many finite simple groups

E. A. O'Brien, Martin W. Liebeck, Sebastian Jambor

arxiv:1205.1952 v2 · 2012-05-09 · 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{SPQCJO5RD2VWPOEFUKWNI7JYDQ}

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	2026-05-18T02:57:53.593371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e024bbb11eab67b885a2acd47d381c091317654c22af47a77d9f5af82789c2

Aliases

arxiv: 1205.1952 · arxiv_version: 1205.1952v2 · doi: 10.48550/arxiv.1205.1952 · pith_short_12: SPQCJO5RD2VW · pith_short_16: SPQCJO5RD2VWPOEF · pith_short_8: SPQCJO5R

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/SPQCJO5RD2VWPOEFUKWNI7JYDQ \
  | 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: 93e024bbb11eab67b885a2acd47d381c091317654c22af47a77d9f5af82789c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a98fcb5880ac57c2f2964cb62d3c613f0bae06d01857499fc7b01b90dfce9c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2012-05-09T12:08:16Z",
    "title_canon_sha256": "1e8f2ab906251bc3b9069583e60437fc445288d0479bc70beb6d7591d3122d5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1952",
    "kind": "arxiv",
    "version": 2
  }
}