Pith Number

pith:IEBFCRRA

pith:2011:IEBFCRRACAVLP4TCFFJOTF62BX

not attested not anchored not stored refs pending

Geometry and Arithmetic of Maschke's Calabi-Yau Threefold

Bert van Geemen, Gilberto Bini

arxiv:1110.0106 v1 · 2011-10-01 · 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{IEBFCRRACAVLP4TCFFJOTF62BX}

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	2026-05-18T04:11:50.751296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4102514620102ab7f2622952e997da0dd2023a886eba857eecfa800475027b6a

Aliases

arxiv: 1110.0106 · arxiv_version: 1110.0106v1 · doi: 10.48550/arxiv.1110.0106 · pith_short_12: IEBFCRRACAVL · pith_short_16: IEBFCRRACAVLP4TC · pith_short_8: IEBFCRRA

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/IEBFCRRACAVLP4TCFFJOTF62BX \
  | 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: 4102514620102ab7f2622952e997da0dd2023a886eba857eecfa800475027b6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde681931be9e9ef25fbb60cab32de876cdce4218874a35327b526d77c02b4e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-10-01T15:05:56Z",
    "title_canon_sha256": "2b4444b3cf38f70b8cdf713cf1f4314605217b7b4b3e2b2f6746b62cdf908dcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0106",
    "kind": "arxiv",
    "version": 1
  }
}