Pith Number

pith:OK7COGR4

pith:2008:OK7COGR47N34LKZPR5ERMERQUO

not attested not anchored not stored refs pending

On the Milnor fibers of cyclic quotient singularities

Andras Nemethi, Patrick Popescu-Pampu

arxiv:0805.3449 v2 · 2008-05-22 · math.AG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OK7COGR47N34LKZPR5ERMERQUO}

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	2026-05-18T03:37:53.656621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72be271a3cfb77c5ab2f8f49161230a39c1f866b8445540fe18f426c2efb6394

Aliases

arxiv: 0805.3449 · arxiv_version: 0805.3449v2 · doi: 10.48550/arxiv.0805.3449 · pith_short_12: OK7COGR47N34 · pith_short_16: OK7COGR47N34LKZP · pith_short_8: OK7COGR4

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/OK7COGR47N34LKZPR5ERMERQUO \
  | 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: 72be271a3cfb77c5ab2f8f49161230a39c1f866b8445540fe18f426c2efb6394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47bc62738d48ea87ac6975497850dea259135fff21df8e2ae4460797503107c4",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-05-22T12:24:26Z",
    "title_canon_sha256": "29ac2073f0b0e4c45c38909b2adfbfc895228b2fbd1013ed765de2e1463c1070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3449",
    "kind": "arxiv",
    "version": 2
  }
}