Pith Number

pith:NMHSVCWN

pith:2012:NMHSVCWNIWZMCQM7VFE4H4WU33

not attested not anchored not stored refs pending

Non-algebraic quadrature domains

Alexandre Eremenko, Erik Lundberg

arxiv:1202.5013 v1 · 2012-02-22 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMHSVCWNIWZMCQM7VFE4H4WU33}

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	2026-05-18T03:08:47.771428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b0f2a8acd45b2c1419fa949c3f2d4ded8520fb85710517959a8435b3f20ea69

Aliases

arxiv: 1202.5013 · arxiv_version: 1202.5013v1 · doi: 10.48550/arxiv.1202.5013 · pith_short_12: NMHSVCWNIWZM · pith_short_16: NMHSVCWNIWZMCQM7 · pith_short_8: NMHSVCWN

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/NMHSVCWNIWZMCQM7VFE4H4WU33 \
  | 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: 6b0f2a8acd45b2c1419fa949c3f2d4ded8520fb85710517959a8435b3f20ea69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3467ce0b8a99c26382a3bc81192e06b8a9d822a309f63f430368426db4beffe1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-02-22T19:27:11Z",
    "title_canon_sha256": "8370332f6e66972e649e8cde35c1e624e596fea039219c8f4379d2a559335d90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5013",
    "kind": "arxiv",
    "version": 1
  }
}