Pith Number

pith:UC4LXKL5

pith:2004:UC4LXKL5UXDCS6FJZNNH2MKRY4

not attested not anchored not stored refs pending

Nonlinear Eigenvalues and Bifurcation Problems for Pucci's Operator

Alex Quaas (CEREMADE), Jerome Busca (CEREMADE), Maria J. Esteban (CEREMADE)

arxiv:math/0409298 v1 · 2004-09-17 · 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{UC4LXKL5UXDCS6FJZNNH2MKRY4}

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	2026-05-18T01:38:27.133285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b8bba97da5c62978a9cb5a7d3151c7232ba673c4e73b27f7a97c8ab70c8861

Aliases

arxiv: math/0409298 · arxiv_version: math/0409298v1 · doi: 10.48550/arxiv.math/0409298 · pith_short_12: UC4LXKL5UXDC · pith_short_16: UC4LXKL5UXDCS6FJ · pith_short_8: UC4LXKL5

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/UC4LXKL5UXDCS6FJZNNH2MKRY4 \
  | 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: a0b8bba97da5c62978a9cb5a7d3151c7232ba673c4e73b27f7a97c8ab70c8861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31164a83ceae705c9c5bb6143135fcce1507a326dc82f28b95617a141c326b12",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2004-09-17T11:06:46Z",
    "title_canon_sha256": "cf5837067aa7a06b7486d9133b67a771518db0292f864f54756df0a550613ce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0409298",
    "kind": "arxiv",
    "version": 1
  }
}