Pith Number

pith:MMVLXQYN

pith:2014:MMVLXQYNUUUNFBSQTKTJDHTQE2

not attested not anchored not stored refs pending

Degenerations of Godeaux surfaces and exceptional vector bundles

Anna Kazanova

arxiv:1402.0254 v1 · 2014-02-02 · 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{MMVLXQYNUUUNFBSQTKTJDHTQE2}

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	2026-05-18T03:00:24.143754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

632abbc30da528d286509aa6919e70269493315235cf079a4719366d25f0e74c

Aliases

arxiv: 1402.0254 · arxiv_version: 1402.0254v1 · doi: 10.48550/arxiv.1402.0254 · pith_short_12: MMVLXQYNUUUN · pith_short_16: MMVLXQYNUUUNFBSQ · pith_short_8: MMVLXQYN

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/MMVLXQYNUUUNFBSQTKTJDHTQE2 \
  | 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: 632abbc30da528d286509aa6919e70269493315235cf079a4719366d25f0e74c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5cbcc6f515cccfcb3b16c5d3144ac36545a1db169a8674c034ebf22bcb53034",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-02-02T22:08:18Z",
    "title_canon_sha256": "15651f6b1082b2ee63101adfb7af0b62411964d4ab1d9160252d03103606ba83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0254",
    "kind": "arxiv",
    "version": 1
  }
}