Pith Number

pith:W22DKC2W

pith:2013:W22DKC2WDZJDGSBNNUNMAZCDO5

not attested not anchored not stored refs pending

Abelian automorphism groups of cubic fourfolds

Evgeny Mayanskiy

arxiv:1308.5150 v2 · 2013-08-23 · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W22DKC2WDZJDGSBNNUNMAZCDO5}

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.

Cited by

1 paper in Pith

Non-symplectic Indices of Automorphism Groups of Smooth Cubic Fourfolds

Receipt and verification

First computed	2026-05-18T03:14:29.110273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b4350b561e5233482d6d1ac06443774d6078bf114bb87a5c6d2b7c3c705b3c

Aliases

arxiv: 1308.5150 · arxiv_version: 1308.5150v2 · doi: 10.48550/arxiv.1308.5150 · pith_short_12: W22DKC2WDZJD · pith_short_16: W22DKC2WDZJDGSBN · pith_short_8: W22DKC2W

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/W22DKC2WDZJDGSBNNUNMAZCDO5 \
  | 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: b6b4350b561e5233482d6d1ac06443774d6078bf114bb87a5c6d2b7c3c705b3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5110f3a208bf7d11402005a54777963cea6f080141610cdb974f3f85703e12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-23T15:01:21Z",
    "title_canon_sha256": "a5dae8a0f6ef9e44ca23f471883d79670c2b414e959a361a9e4e4d4189bdbad1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5150",
    "kind": "arxiv",
    "version": 2
  }
}