Pith Number

pith:XFKODKIQ

pith:2019:XFKODKIQCWLJGCJSJEYJFHQIQU

not attested not anchored not stored refs pending

Existence of Positive Solutions for a class of Quasilinear Schr\"{o}dinger Equations of Choquard type

Shaoxiong Chen, Xian Wu

arxiv:1902.08392 v2 · 2019-02-22 · math.FA · 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{XFKODKIQCWLJGCJSJEYJFHQIQU}

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	2026-05-17T23:50:48.550066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b954e1a91015969309324930929e088515199080bb68de331b4dc4e44fc60651

Aliases

arxiv: 1902.08392 · arxiv_version: 1902.08392v2 · doi: 10.48550/arxiv.1902.08392 · pith_short_12: XFKODKIQCWLJ · pith_short_16: XFKODKIQCWLJGCJS · pith_short_8: XFKODKIQ

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/XFKODKIQCWLJGCJSJEYJFHQIQU \
  | 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: b954e1a91015969309324930929e088515199080bb68de331b4dc4e44fc60651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c75f9e6bf12807347a26817f6b01986dd89eb4831095085b3ab6ce8bbbc8c5be",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-02-22T08:17:12Z",
    "title_canon_sha256": "4959c13148086bcee3cb567e0c0b5d6c0632a2b61da8435b1371a023c7aa2876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08392",
    "kind": "arxiv",
    "version": 2
  }
}