Pith Number

pith:RR27UPLD

pith:2011:RR27UPLDWD5N4SAQZRDK2AKRBU

not attested not anchored not stored refs pending

Large 2-groups of automorphisms of curves with positive 2-rank

Gabor Korchmaros, Massimo Giulietti

arxiv:1104.5159 v1 · 2011-04-27 · 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{RR27UPLDWD5N4SAQZRDK2AKRBU}

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	2026-05-18T04:23:22.499523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c75fa3d63b0fade4810cc46ad01510d133296a478cad0c8fd92aa4ad7188642

Aliases

arxiv: 1104.5159 · arxiv_version: 1104.5159v1 · doi: 10.48550/arxiv.1104.5159 · pith_short_12: RR27UPLDWD5N · pith_short_16: RR27UPLDWD5N4SAQ · pith_short_8: RR27UPLD

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/RR27UPLDWD5N4SAQZRDK2AKRBU \
  | 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: 8c75fa3d63b0fade4810cc46ad01510d133296a478cad0c8fd92aa4ad7188642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "753621d83e0e06823032ed58be3cc4e413c103ffca514df4d516d8f19ebbecf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-04-27T14:57:43Z",
    "title_canon_sha256": "5aa5ecf6a76c0e1bc7dcc79d06777a909eec48e491f5828eb67f2bdc097535a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5159",
    "kind": "arxiv",
    "version": 1
  }
}