Pith Number

pith:M4KOKA4U

pith:2013:M4KOKA4UCINUCG5WOJOUUYIQWM

not attested not anchored not stored refs pending

Multiple Positive Solutions for a Class of Nonlinear Elliptic Eigenvalue Problems with a Sign-Changing Nonlinearity

J. V. Goncalves, K. O. Silva, M. L. Carvalho

arxiv:1310.5903 v1 · 2013-10-22 · 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{M4KOKA4UCINUCG5WOJOUUYIQWM}

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	2026-05-18T03:09:24.190252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6714e50394121b411bb6725d4a6110b301bb5c96442dd7d6e38e91758333116e

Aliases

arxiv: 1310.5903 · arxiv_version: 1310.5903v1 · doi: 10.48550/arxiv.1310.5903 · pith_short_12: M4KOKA4UCINU · pith_short_16: M4KOKA4UCINUCG5W · pith_short_8: M4KOKA4U

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/M4KOKA4UCINUCG5WOJOUUYIQWM \
  | 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: 6714e50394121b411bb6725d4a6110b301bb5c96442dd7d6e38e91758333116e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5db21ed0783be2b22d0372cbaa1ff26596e54cd2be373f03d2ce4269ca4f9bc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-10-22T12:58:01Z",
    "title_canon_sha256": "db346862a872b0c6babdebb0a9b4b30d9427ed92358da7fcf1fb2a1b9795d5ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5903",
    "kind": "arxiv",
    "version": 1
  }
}