Pith Number

pith:CQWVSNM7

pith:2015:CQWVSNM7XUALIFQIXGUCLH674E

not attested not anchored not stored refs pending

The Fermat septic and the Klein quartic as moduli spaces of hypergeometric Jacobians

Kenji Koike

arxiv:1505.02471 v1 · 2015-05-11 · 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{CQWVSNM7XUALIFQIXGUCLH674E}

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	2026-05-18T02:16:18.678350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

142d59359fbd00b41608b9a8259fdfe1351ebeb978a227e86bfe7ffc1455d5c1

Aliases

arxiv: 1505.02471 · arxiv_version: 1505.02471v1 · doi: 10.48550/arxiv.1505.02471 · pith_short_12: CQWVSNM7XUAL · pith_short_16: CQWVSNM7XUALIFQI · pith_short_8: CQWVSNM7

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/CQWVSNM7XUALIFQIXGUCLH674E \
  | 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: 142d59359fbd00b41608b9a8259fdfe1351ebeb978a227e86bfe7ffc1455d5c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85fdf4434d5d1ee033dd6acf28daa131981692259809e1f1f569d5feda9b8aae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-05-11T02:25:35Z",
    "title_canon_sha256": "3c350fe2e206f0a3392533fbdb365322ffa9b355a29c2e31dc78b0208519f83a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02471",
    "kind": "arxiv",
    "version": 1
  }
}