Pith Number

pith:SCWTLW3J

pith:2011:SCWTLW3J3P3ZVTHYJSG2BLBA5X

not attested not anchored not stored refs pending

Subgroup Theorems for the Baer-invariant of Groups

Behrooz Mashayekhy, Mohammad Reza Rajabzadeh Moghaddam, Saeed Kayvanfar

arxiv:1104.0398 v1 · 2011-04-03 · 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{SCWTLW3J3P3ZVTHYJSG2BLBA5X}

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	2026-05-18T04:25:04.100545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ad35db69dbf79accf84c8da0ac20edc952c119bda2011e7d33b3c260413b51

Aliases

arxiv: 1104.0398 · arxiv_version: 1104.0398v1 · doi: 10.48550/arxiv.1104.0398 · pith_short_12: SCWTLW3J3P3Z · pith_short_16: SCWTLW3J3P3ZVTHY · pith_short_8: SCWTLW3J

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/SCWTLW3J3P3ZVTHYJSG2BLBA5X \
  | 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: 90ad35db69dbf79accf84c8da0ac20edc952c119bda2011e7d33b3c260413b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9debbe6c403380e2643ab7ed2ab58b383d5241909e0ca15f1728be3dcd08c6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2011-04-03T16:04:02Z",
    "title_canon_sha256": "43efe793299884b741b6e3c105a81be76dfa54c399db2f3bf7caf07d1da8ab79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0398",
    "kind": "arxiv",
    "version": 1
  }
}