Pith Number

pith:UR7L6RXG

pith:2013:UR7L6RXG4L6GLGPQ75HOQ4SFYU

not attested not anchored not stored refs pending

Radial and non radial ground states for a class of dilation invariant fourth order semilinear elliptic equations on $\mathbb{R}^{n}$

Paolo Caldiroli

arxiv:1304.7291 v1 · 2013-04-26 · 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{UR7L6RXG4L6GLGPQ75HOQ4SFYU}

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	2026-05-18T03:27:00.626845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a47ebf46e6e2fc6599f0ff4ee87245c5009eb6a6a5c9cbb8692eb78a1631f7ff

Aliases

arxiv: 1304.7291 · arxiv_version: 1304.7291v1 · doi: 10.48550/arxiv.1304.7291 · pith_short_12: UR7L6RXG4L6G · pith_short_16: UR7L6RXG4L6GLGPQ · pith_short_8: UR7L6RXG

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/UR7L6RXG4L6GLGPQ75HOQ4SFYU \
  | 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: a47ebf46e6e2fc6599f0ff4ee87245c5009eb6a6a5c9cbb8692eb78a1631f7ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "760364359f56f03fd45d0de07ef6ce20b910a2da796ecb381fa60a1971c6f36a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-04-26T21:53:31Z",
    "title_canon_sha256": "6616275a745e2ac30775fd055ea97a3d4e13360e2b419ce73b5d8c63f022d4c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7291",
    "kind": "arxiv",
    "version": 1
  }
}