Pith Number

pith:PXXVMECI

pith:2025:PXXVMECIQ237ZQY3WACGW2ACOJ

not attested not anchored not stored refs pending

On Rigid Varieties Isogenous to a Product of Curves

Christian Gleissner, Federico Fallucca, Noah Ruhland

arxiv:2504.11032 v1 · 2025-04-15 · math.AG · math.CV · 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{PXXVMECIQ237ZQY3WACGW2ACOJ}

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.

Cited by

1 paper in Pith

Computation of Singular Godeaux Surfaces and a New Explicit Fake Quadric (With an Appendix by Christian Gleissner and Noah Ruhland)

Receipt and verification

First computed	2026-07-05T10:49:28.079826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7def56104886b7fcc31bb0046b68027257231d2634aabe4bdb0bc9aca03bf89a

Aliases

arxiv: 2504.11032 · arxiv_version: 2504.11032v1 · doi: 10.48550/arxiv.2504.11032 · pith_short_12: PXXVMECIQ237 · pith_short_16: PXXVMECIQ237ZQY3 · pith_short_8: PXXVMECI

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/PXXVMECIQ237ZQY3WACGW2ACOJ \
  | 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: 7def56104886b7fcc31bb0046b68027257231d2634aabe4bdb0bc9aca03bf89a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aad87198d6744811c86a52cbb4bbf8e280d46d689a7c5eea567482fb2f9d57b",
    "cross_cats_sorted": [
      "math.CV",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-04-15T09:54:58Z",
    "title_canon_sha256": "7d30f77a906b4a9195dc6fc94cbb9eb260a0355bfb3c4022b50d1259ca17b1ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.11032",
    "kind": "arxiv",
    "version": 1
  }
}