Pith Number

pith:OJSEVRCJ

pith:2010:OJSEVRCJZ7GK6T7NPOZS4WTHGS

not attested not anchored not stored refs pending

Normality and non-normality of group compactifications in simple projective spaces

Alessandro Ruzzi, Andrea Maffei, Jacopo Gandini, Paolo Bravi

arxiv:1005.2478 v2 · 2010-05-14 · math.AG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJSEVRCJZ7GK6T7NPOZS4WTHGS}

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	2026-05-18T00:12:36.076603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72644ac449cfccaf4fed7bb32e5a6734b1cca2b9c6d98ca6d4466032b602e44a

Aliases

arxiv: 1005.2478 · arxiv_version: 1005.2478v2 · doi: 10.48550/arxiv.1005.2478 · pith_short_12: OJSEVRCJZ7GK · pith_short_16: OJSEVRCJZ7GK6T7N · pith_short_8: OJSEVRCJ

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/OJSEVRCJZ7GK6T7NPOZS4WTHGS \
  | 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: 72644ac449cfccaf4fed7bb32e5a6734b1cca2b9c6d98ca6d4466032b602e44a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9f6277097e5a2a7dd1eed9f96eb00eff715d810ce7da90d42b7ad3a9b777f4f",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-05-14T08:47:42Z",
    "title_canon_sha256": "f02eae3d490a1826c1fd0dccb1d380b20348e50c7412894430f82a568291dbdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2478",
    "kind": "arxiv",
    "version": 2
  }
}