Pith Number

pith:CEDQYRZZ

pith:2012:CEDQYRZZB6AZR4JY2ICLY2ZGVD

not attested not anchored not stored refs pending

Rationality of the moduli spaces of Eisenstein K3 surfaces

Hisanori Ohashi, Shingo Taki, Shouhei Ma

arxiv:1208.5826 v3 · 2012-08-29 · 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{CEDQYRZZB6AZR4JY2ICLY2ZGVD}

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	2026-05-18T03:04:14.007600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11070c47390f8198f138d204bc6b26a8ea6ec4ba08fbdee17292ac9f5d762fde

Aliases

arxiv: 1208.5826 · arxiv_version: 1208.5826v3 · doi: 10.48550/arxiv.1208.5826 · pith_short_12: CEDQYRZZB6AZ · pith_short_16: CEDQYRZZB6AZR4JY · pith_short_8: CEDQYRZZ

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/CEDQYRZZB6AZR4JY2ICLY2ZGVD \
  | 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: 11070c47390f8198f138d204bc6b26a8ea6ec4ba08fbdee17292ac9f5d762fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d078541e9aee8f015d15ae2394b596a42ee33285736c3ff3bc9723d7b8d6dfdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-08-29T03:14:49Z",
    "title_canon_sha256": "f95eb14c0e54796cd95ba57c56be5510aad6381473279ea240b615207af7fbeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5826",
    "kind": "arxiv",
    "version": 3
  }
}