Pith Number

pith:PZKIKAH2

pith:2000:PZKIKAH2HSML364Q6CXY3DCFX5

not attested not anchored not stored refs pending

Generic coverings of plane with A-D-E-singularities

Vik.S. Kulikov, V.S. Kulikov

arxiv:math/0002174 v1 · 2000-02-21 · 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{PZKIKAH2HSML364Q6CXY3DCFX5}

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	2026-05-18T01:38:30.349864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e548500fa3c98bdfb90f0af8d8c45bf545516bceec48c4ee8cf588d48b49290

Aliases

arxiv: math/0002174 · arxiv_version: math/0002174v1 · doi: 10.48550/arxiv.math/0002174 · pith_short_12: PZKIKAH2HSML · pith_short_16: PZKIKAH2HSML364Q · pith_short_8: PZKIKAH2

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/PZKIKAH2HSML364Q6CXY3DCFX5 \
  | 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: 7e548500fa3c98bdfb90f0af8d8c45bf545516bceec48c4ee8cf588d48b49290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38045d07c08954476d4fd99b76828d6452ac74c344d7b7dd63aea658301580b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2000-02-21T18:49:48Z",
    "title_canon_sha256": "401ec54952489e89191279a5e56701ba1407ae10324a947b7056692b224b6c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0002174",
    "kind": "arxiv",
    "version": 1
  }
}