Pith Number

pith:NTWSCRNV

pith:2014:NTWSCRNVNHBBW5O3UMHNMBGJUV

not attested not anchored not stored refs pending

On asymptotic bounds for the number of irreducible components of the moduli space of surfaces of general type

Matteo Penegini, Michael L\"onne

arxiv:1402.6438 v1 · 2014-02-26 · 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{NTWSCRNVNHBBW5O3UMHNMBGJUV}

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	2026-05-18T02:57:44.514745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ced2145b569c21b75dba30ed604c9a549b22f3e369d46668d9de1b239c1512e

Aliases

arxiv: 1402.6438 · arxiv_version: 1402.6438v1 · doi: 10.48550/arxiv.1402.6438 · pith_short_12: NTWSCRNVNHBB · pith_short_16: NTWSCRNVNHBBW5O3 · pith_short_8: NTWSCRNV

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/NTWSCRNVNHBBW5O3UMHNMBGJUV \
  | 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: 6ced2145b569c21b75dba30ed604c9a549b22f3e369d46668d9de1b239c1512e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "408309bea14c9d14d4f3073305c86c45065cdfcfc0ea55d218da9e4e06cb0704",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-02-26T07:03:21Z",
    "title_canon_sha256": "d0cbcc4353d344fdbf4770ebcf9da471ab4eb441951065cbc7b0a44f0fe8b76c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6438",
    "kind": "arxiv",
    "version": 1
  }
}