Pith Number

pith:QOPYKZE6

pith:2017:QOPYKZE6ZPXJK6EAOJCFRSJL3U

not attested not anchored not stored refs pending

Existence of Solutions of a Non-Linear Eigenvalue Problem with a Variable Weight

Francois Vigneron, Rejeb Hadiji

arxiv:1710.05653 v2 · 2017-10-16 · 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{QOPYKZE6ZPXJK6EAOJCFRSJL3U}

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	2026-05-18T00:27:48.254494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

839f85649ecbee957880724458c92bdd19faefa0901fd9367308bedd143f6ab1

Aliases

arxiv: 1710.05653 · arxiv_version: 1710.05653v2 · doi: 10.48550/arxiv.1710.05653 · pith_short_12: QOPYKZE6ZPXJ · pith_short_16: QOPYKZE6ZPXJK6EA · pith_short_8: QOPYKZE6

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/QOPYKZE6ZPXJK6EAOJCFRSJL3U \
  | 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: 839f85649ecbee957880724458c92bdd19faefa0901fd9367308bedd143f6ab1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "390e0864061254a6db55470692dbd8dc54cbe064152ae4df9c45c67274ac3ed2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-10-16T12:42:02Z",
    "title_canon_sha256": "c1f45b4025198c4985ae3b05e09bfc10f92297eb06a1f0b05fffc9ed9bd7d3f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05653",
    "kind": "arxiv",
    "version": 2
  }
}