Pith Number

pith:EHVVU6OG

pith:2026:EHVVU6OGBAVPYVZUV7LJ4R6VDB

not attested not anchored not stored refs pending

On two questions from the Kourovka Notebook concerning maximal subgroups

Antonio Beltr\'an, Fernando Viudez

arxiv:2607.06434 v1 · 2026-07-07 · 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{EHVVU6OGBAVPYVZUV7LJ4R6VDB}

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	2026-07-08T01:19:25.145183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21eb5a79c6082afc5734afd69e47d5187abda59f2ab932d89eea352533a64f91

Aliases

arxiv: 2607.06434 · arxiv_version: 2607.06434v1 · doi: 10.48550/arxiv.2607.06434 · pith_short_12: EHVVU6OGBAVP · pith_short_16: EHVVU6OGBAVPYVZU · pith_short_8: EHVVU6OG

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/EHVVU6OGBAVPYVZUV7LJ4R6VDB \
  | 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: 21eb5a79c6082afc5734afd69e47d5187abda59f2ab932d89eea352533a64f91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e08a205a94ad20bbb700c5a34fd62b8aece2ae98bf87217a75aa341e7df15f23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2026-07-07T16:02:31Z",
    "title_canon_sha256": "29cbde24d0392f9c4787c061d2801cd16304ca8eceee24d08db1c367b0acbc30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06434",
    "kind": "arxiv",
    "version": 1
  }
}