Pith Number

pith:BNSUXY3U

pith:2014:BNSUXY3UTKW2E7W7LQHE3ZNNTG

not attested not anchored not stored refs pending

Nodal domains in the square---the Neumann case

Bernard Helffer, Mikael Persson Sundqvist

arxiv:1410.6702 v3 · 2014-10-24 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNSUXY3UTKW2E7W7LQHE3ZNNTG}

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	2026-05-18T02:34:44.628833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b654be3749aada27edf5c0e4de5ad998a54d740d8d25679bf47f16082b8f60e

Aliases

arxiv: 1410.6702 · arxiv_version: 1410.6702v3 · doi: 10.48550/arxiv.1410.6702 · pith_short_12: BNSUXY3UTKW2 · pith_short_16: BNSUXY3UTKW2E7W7 · pith_short_8: BNSUXY3U

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/BNSUXY3UTKW2E7W7LQHE3ZNNTG \
  | 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: 0b654be3749aada27edf5c0e4de5ad998a54d740d8d25679bf47f16082b8f60e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc8ce42bbe0ad1aa97c94c058250103d505897c081af5a9f50d73550ff20d48e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-10-24T14:43:36Z",
    "title_canon_sha256": "133c4a48e016b8bf26c0b376a053b4ccad72102ac9aaa281706587c1154b694e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6702",
    "kind": "arxiv",
    "version": 3
  }
}