Pith Number

pith:4KEOMPQK

pith:2012:4KEOMPQKFFJFIF7Z4WLTW7KCFS

not attested not anchored not stored refs pending

Quadratic differentials in low genus: exceptional and non-varying

Dawei Chen, Martin Moeller

arxiv:1204.1707 v1 · 2012-04-08 · math.DS · math.AG · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KEOMPQKFFJFIF7Z4WLTW7KCFS}

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	2026-05-18T03:58:23.355986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e288e63e0a29525417f9e5973b7d422cab0bc5da010552a883bdf423a582af21

Aliases

arxiv: 1204.1707 · arxiv_version: 1204.1707v1 · doi: 10.48550/arxiv.1204.1707 · pith_short_12: 4KEOMPQKFFJF · pith_short_16: 4KEOMPQKFFJFIF7Z · pith_short_8: 4KEOMPQK

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/4KEOMPQKFFJFIF7Z4WLTW7KCFS \
  | 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: e288e63e0a29525417f9e5973b7d422cab0bc5da010552a883bdf423a582af21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26ec113ce87c3585140a90bd5f07ab7ba102a36f1ee0841aa299fe36fc57fc0a",
    "cross_cats_sorted": [
      "math.AG",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-04-08T04:13:26Z",
    "title_canon_sha256": "b7ecfdb70abfc9dfca78bd1b0ef56686613c4fb56ad8961dcaf6e746e6173c44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1707",
    "kind": "arxiv",
    "version": 1
  }
}