Pith Number

pith:7JHBL3M4

pith:2019:7JHBL3M4KUX4IOMBNW36IMXFRV

not attested not anchored not stored refs pending

Nonexistence result for a semilinear elliptic problem

Alexis Molino, Salvador L\'opez-Mart\'inez

arxiv:1902.08800 v2 · 2019-02-23 · 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{7JHBL3M4KUX4IOMBNW36IMXFRV}

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	2026-05-17T23:48:30.359621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa4e15ed9c552fc439816db7e432e58d5b008d0f456f75ae1cd3103790ba8ada

Aliases

arxiv: 1902.08800 · arxiv_version: 1902.08800v2 · doi: 10.48550/arxiv.1902.08800 · pith_short_12: 7JHBL3M4KUX4 · pith_short_16: 7JHBL3M4KUX4IOMB · pith_short_8: 7JHBL3M4

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/7JHBL3M4KUX4IOMBNW36IMXFRV \
  | 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: fa4e15ed9c552fc439816db7e432e58d5b008d0f456f75ae1cd3103790ba8ada

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bd95917891a321aa96d5e14b769f9be9ae7fbbcb33d3e13bd038f8a8cf69937",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-23T15:07:15Z",
    "title_canon_sha256": "019f5068c6d76bee3854dd03720fe15fd35028e70b23f8bf19e85a7a018a0e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08800",
    "kind": "arxiv",
    "version": 2
  }
}