Pith Number

pith:NCFM2NJM

pith:2016:NCFM2NJMN2CEH52XYQC6IF22ZJ

not attested not anchored not stored refs pending

An optimization problem for the first eigenvalue of the $p-$fractional laplacian

J. Fernandez Bonder, L. Del Pezzo, L. Lopez-Rios

arxiv:1601.03019 v2 · 2016-01-12 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCFM2NJMN2CEH52XYQC6IF22ZJ}

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	2026-05-18T00:47:38.307820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

688acd352c6e8443f757c405e4175aca5919509e5cbafbb44e98ba1655cf0631

Aliases

arxiv: 1601.03019 · arxiv_version: 1601.03019v2 · doi: 10.48550/arxiv.1601.03019 · pith_short_12: NCFM2NJMN2CE · pith_short_16: NCFM2NJMN2CEH52X · pith_short_8: NCFM2NJM

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/NCFM2NJMN2CEH52XYQC6IF22ZJ \
  | 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: 688acd352c6e8443f757c405e4175aca5919509e5cbafbb44e98ba1655cf0631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d8ce80de9181901065804c006e8a9d5eae3a21082ce62a88740cfeb0d3f344f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-01-12T20:20:55Z",
    "title_canon_sha256": "18e2f97121ab9997ce013512d6cf4ef2d2815411acc588018fadef3fcf57ef42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03019",
    "kind": "arxiv",
    "version": 2
  }
}