Pith Number

pith:FI254X3U

pith:2025:FI254X3UJP2G3BLXVTFWJ7YHHC

not attested not anchored not stored refs pending

Non-density of nodal lines in the clamped plate problem

Alberto Enciso, Josef Greilhuber

arxiv:2512.08030 v3 · 2025-12-08 · math.AP · 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{FI254X3UJP2G3BLXVTFWJ7YHHC}

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	2026-06-09T01:05:11.504818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a35de5f744bf46d8577accb64ff0738916bc9b7996e5501e27f1b67c48f2b2f

Aliases

arxiv: 2512.08030 · arxiv_version: 2512.08030v3 · doi: 10.48550/arxiv.2512.08030 · pith_short_12: FI254X3UJP2G · pith_short_16: FI254X3UJP2G3BLX · pith_short_8: FI254X3U

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/FI254X3UJP2G3BLXVTFWJ7YHHC \
  | 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: 2a35de5f744bf46d8577accb64ff0738916bc9b7996e5501e27f1b67c48f2b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94acc15b7e2572773194e046541a5571d7e7d78c351ee1b9e1fa656fdce6f24e",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-12-08T20:43:41Z",
    "title_canon_sha256": "22024119989a82b225cb43565fd31d6dd1a42cd756ea23516cfc4757cd264375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.08030",
    "kind": "arxiv",
    "version": 3
  }
}