Pith Number

pith:34ZTBEJS

pith:2003:34ZTBEJSLEK2YATBL4JW4NWRDM

not attested not anchored not stored refs pending

Complex surface singularities with integral homology sphere links

Jonathan Wahl, Walter D. Neumann

arxiv:math/0301165 v3 · 2003-01-15 · 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{34ZTBEJSLEK2YATBL4JW4NWRDM}

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	2026-05-18T02:38:00.439711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df333091325915ac02615f136e36d11b28dec3ae8f8076b1c457a999ad3ab7b9

Aliases

arxiv: math/0301165 · arxiv_version: math/0301165v3 · doi: 10.48550/arxiv.math/0301165 · pith_short_12: 34ZTBEJSLEK2 · pith_short_16: 34ZTBEJSLEK2YATB · pith_short_8: 34ZTBEJS

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/34ZTBEJSLEK2YATBL4JW4NWRDM \
  | 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: df333091325915ac02615f136e36d11b28dec3ae8f8076b1c457a999ad3ab7b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93d11ad081fd7822a5d197b07c062b74a9ddf78d9f36f506ac591d3fb8dda488",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2003-01-15T21:59:28Z",
    "title_canon_sha256": "9df588fa39f9e31c5947a717b6e2169df4237575368d41289a3543696502f602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0301165",
    "kind": "arxiv",
    "version": 3
  }
}