Pith Number

pith:DDBRSROT

pith:2013:DDBRSROT7QABHAEUME7NQOWRUA

not attested not anchored not stored refs pending

Uniqueness and nondegeneracy of positive solutions of $\Ds u+u=u^p$ in $\R^N$ when $s$ is close to 1

Enrico Valdinoci, Mouhamed Moustapha Fall

arxiv:1301.4868 v2 · 2013-01-21 · 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{DDBRSROT7QABHAEUME7NQOWRUA}

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	2026-05-18T03:18:29.233103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c31945d3fc00138094613ed83ad1a0128c232a7db12a4ffc325d366a2e4d88

Aliases

arxiv: 1301.4868 · arxiv_version: 1301.4868v2 · doi: 10.48550/arxiv.1301.4868 · pith_short_12: DDBRSROT7QAB · pith_short_16: DDBRSROT7QABHAEU · pith_short_8: DDBRSROT

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/DDBRSROT7QABHAEUME7NQOWRUA \
  | 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: 18c31945d3fc00138094613ed83ad1a0128c232a7db12a4ffc325d366a2e4d88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9d6a5b24947bf04f40de420e7efd4842b6716cb931e4f78c799ddf16f12438",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-01-21T14:03:35Z",
    "title_canon_sha256": "c5c74d23749a43fc1b7eea87b862facbfe2481756a747fb27186085776a1343e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4868",
    "kind": "arxiv",
    "version": 2
  }
}