Pith Number

pith:TUM4WVRZ

pith:2015:TUM4WVRZQ5CLYYJ33NQGRUK7E6

not attested not anchored not stored refs pending

On Poincar\'e series associated with links of normal surface singularities

Tam\'as L\'aszl\'o, Zsolt Szil\'agyi

arxiv:1503.09012 v2 · 2015-03-31 · math.GT · 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{TUM4WVRZQ5CLYYJ33NQGRUK7E6}

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	2026-05-18T01:29:54.402174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d19cb56398744bc613bdb6068d15f2797a52dd3583a2ea07a629bc97c120810

Aliases

arxiv: 1503.09012 · arxiv_version: 1503.09012v2 · doi: 10.48550/arxiv.1503.09012 · pith_short_12: TUM4WVRZQ5CL · pith_short_16: TUM4WVRZQ5CLYYJ3 · pith_short_8: TUM4WVRZ

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/TUM4WVRZQ5CLYYJ33NQGRUK7E6 \
  | 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: 9d19cb56398744bc613bdb6068d15f2797a52dd3583a2ea07a629bc97c120810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ef48a9b5a1fa910ddb8516c96433d9ef9ed8cc446994abf04b2d85ac93660b3",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-03-31T11:48:38Z",
    "title_canon_sha256": "079476032b41e81eddb03afd20f24b7515ffc5358326cd044702cef8ad21abae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.09012",
    "kind": "arxiv",
    "version": 2
  }
}