Pith Number

pith:RBDFZFQ3

pith:2015:RBDFZFQ3AIZWSTWSWEI5QXZQOV

not attested not anchored not stored refs pending

Subring subgroups in symplectic groups in characteristic 2

Alexei Stepanov, Anthony Bak

arxiv:1512.02289 v2 · 2015-12-07 · 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{RBDFZFQ3AIZWSTWSWEI5QXZQOV}

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	2026-05-18T01:09:45.678507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88465c961b0233694ed2b111d85f307567725e8fa1731579256c082e6f3a5d78

Aliases

arxiv: 1512.02289 · arxiv_version: 1512.02289v2 · doi: 10.48550/arxiv.1512.02289 · pith_short_12: RBDFZFQ3AIZW · pith_short_16: RBDFZFQ3AIZWSTWS · pith_short_8: RBDFZFQ3

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/RBDFZFQ3AIZWSTWSWEI5QXZQOV \
  | 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: 88465c961b0233694ed2b111d85f307567725e8fa1731579256c082e6f3a5d78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5071c2a8b431c2d9990a0b330e3db6b2d2fe8a29842ff1b89dcc790e69ece4bc",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-12-07T23:53:04Z",
    "title_canon_sha256": "7b6ecda9eba9cf1b4fd3ec684bd61ec253800b7ca0ae037c28bf8a1f802fc45f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02289",
    "kind": "arxiv",
    "version": 2
  }
}