Pith Number

pith:4UAR4UYB

pith:2018:4UAR4UYB3P3645E4EQCOPGNGYB

not attested not anchored not stored refs pending

Multiple nonradial solutions for a nonlinear elliptic radial problem: an improved result

Sergio Rolando

arxiv:1810.09372 v1 · 2018-10-22 · 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{4UAR4UYB3P3645E4EQCOPGNGYB}

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	2026-05-18T00:02:40.313515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5011e5301dbf7ee749c2404e799a6c07f73601e313767895a5800a7c729e978

Aliases

arxiv: 1810.09372 · arxiv_version: 1810.09372v1 · doi: 10.48550/arxiv.1810.09372 · pith_short_12: 4UAR4UYB3P36 · pith_short_16: 4UAR4UYB3P3645E4 · pith_short_8: 4UAR4UYB

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/4UAR4UYB3P3645E4EQCOPGNGYB \
  | 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: e5011e5301dbf7ee749c2404e799a6c07f73601e313767895a5800a7c729e978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2fbbdc63555f6445eeb7dc31bd533699890f7dce25a5c45fbfa9fc732222dbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-22T15:42:16Z",
    "title_canon_sha256": "0d890b171fc7882f83a4fdd48b9e9fffeef0809d7f9650a69aaff2f7d6c801d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09372",
    "kind": "arxiv",
    "version": 1
  }
}