Pith Number

pith:D26WVKNQ

pith:2014:D26WVKNQDZ6IMFBW3AP3NWVYPI

not attested not anchored not stored refs pending

Superlevel sets and nodal extrema of Laplace-Beltrami eigenfunctions

Guillaume Poliquin

arxiv:1409.7099 v1 · 2014-09-24 · 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{D26WVKNQDZ6IMFBW3AP3NWVYPI}

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	2026-05-18T02:41:59.141059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ebd6aa9b01e7c861436d81fb6dab87a068a7ebd0c986e865816f4900dd092ad

Aliases

arxiv: 1409.7099 · arxiv_version: 1409.7099v1 · doi: 10.48550/arxiv.1409.7099 · pith_short_12: D26WVKNQDZ6I · pith_short_16: D26WVKNQDZ6IMFBW · pith_short_8: D26WVKNQ

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/D26WVKNQDZ6IMFBW3AP3NWVYPI \
  | 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: 1ebd6aa9b01e7c861436d81fb6dab87a068a7ebd0c986e865816f4900dd092ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5490140c6435cd40b63cf889ae3f14cb30398ef9263e82b79e1c80da9b3f1a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-09-24T20:58:48Z",
    "title_canon_sha256": "0bdaf08f3570bcb6b68249a663618698cde1e3ea0876a0738d78da3c7cbe612e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7099",
    "kind": "arxiv",
    "version": 1
  }
}