Pith Number

pith:NQ2FIKIE

pith:2014:NQ2FIKIEXLSLWE3ZRSF7JZ72QM

not attested not anchored not stored refs pending

Function with its Fourier transform supported on annulus and eigenfunction of Laplacian

Rudra P Sarkar

arxiv:1406.3964 v1 · 2014-06-16 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQ2FIKIEXLSLWE3ZRSF7JZ72QM}

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	2026-05-18T02:49:39.439799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c34542904bae4bb13798c8bf4e7fa83208d7f0e249a3a0434281e8c1447db87

Aliases

arxiv: 1406.3964 · arxiv_version: 1406.3964v1 · doi: 10.48550/arxiv.1406.3964 · pith_short_12: NQ2FIKIEXLSL · pith_short_16: NQ2FIKIEXLSLWE3Z · pith_short_8: NQ2FIKIE

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/NQ2FIKIEXLSLWE3ZRSF7JZ72QM \
  | 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: 6c34542904bae4bb13798c8bf4e7fa83208d7f0e249a3a0434281e8c1447db87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c31852ce95ce935a1c7ef7929ee56ada5df89732d572d7ab08472f2b03b8779",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-06-16T10:46:01Z",
    "title_canon_sha256": "747d755c7f2d450393cb532423e12a61cfe542c3561d972b89f4276fae346914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3964",
    "kind": "arxiv",
    "version": 1
  }
}