Pith Number

pith:GXDD4OIT

pith:2014:GXDD4OIT2NQARIG5FCTOQI2SUD

not attested not anchored not stored refs pending

Jordan groups and elliptic ruled surfaces

Yuri G. Zarhin

arxiv:1401.7596 v3 · 2014-01-29 · math.AG · 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{GXDD4OIT2NQARIG5FCTOQI2SUD}

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	2026-05-18T02:49:20.086276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35c63e3913d36008a0dd28a6e82352a0c9cbd70702dda32ae69633c5dd31f20e

Aliases

arxiv: 1401.7596 · arxiv_version: 1401.7596v3 · doi: 10.48550/arxiv.1401.7596 · pith_short_12: GXDD4OIT2NQA · pith_short_16: GXDD4OIT2NQARIG5 · pith_short_8: GXDD4OIT

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/GXDD4OIT2NQARIG5FCTOQI2SUD \
  | 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: 35c63e3913d36008a0dd28a6e82352a0c9cbd70702dda32ae69633c5dd31f20e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd3cc300dcf556e9e1aaac5398eb774283144712c8b75183b77ba391707c8129",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-01-29T17:24:07Z",
    "title_canon_sha256": "f1557d8e9ce547a8bf587b524a772de744bd8cd29f7562af4be4eae581a6060d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7596",
    "kind": "arxiv",
    "version": 3
  }
}