Pith Number

pith:MOJUM7TS

pith:2018:MOJUM7TSJMENSLB2NN34ZRUFRE

not attested not anchored not stored refs pending

On free subgroups in maximal subgroups of skew linear groups

Bui Xuan Hai, Huynh Viet Khanh

arxiv:1808.08453 v2 · 2018-08-25 · math.RA · 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{MOJUM7TSJMENSLB2NN34ZRUFRE}

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	2026-05-17T23:53:42.164426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6393467e724b08d92c3a6b77ccc6858913fa63b847e80d6b19669eccbf5e8d87

Aliases

arxiv: 1808.08453 · arxiv_version: 1808.08453v2 · doi: 10.48550/arxiv.1808.08453 · pith_short_12: MOJUM7TSJMEN · pith_short_16: MOJUM7TSJMENSLB2 · pith_short_8: MOJUM7TS

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/MOJUM7TSJMENSLB2NN34ZRUFRE \
  | 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: 6393467e724b08d92c3a6b77ccc6858913fa63b847e80d6b19669eccbf5e8d87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b49774f1fd64669647b07d145b4c55f337400ddb278715f4839c4a6dfb7ec803",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-08-25T17:29:11Z",
    "title_canon_sha256": "13bed2c029716152d65d946c298478156643fb2997363659c3597463881ee8f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08453",
    "kind": "arxiv",
    "version": 2
  }
}