Pith Number

pith:5CYHLA2R

pith:2019:5CYHLA2RWDFHEJL4NA6MAJVHQA

not attested not anchored not stored refs pending

Steady vortex patches near a nontrivial irrotational flow

Daomin Cao, Guodong Wang, Weicheng Zhan

arxiv:1902.07396 v1 · 2019-02-20 · 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{5CYHLA2RWDFHEJL4NA6MAJVHQA}

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	2026-05-17T23:45:25.798091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8b0758351b0ca72257c683cc026a7803c57a70d3bbe2a88bcaa90145ad534ed

Aliases

arxiv: 1902.07396 · arxiv_version: 1902.07396v1 · doi: 10.48550/arxiv.1902.07396 · pith_short_12: 5CYHLA2RWDFH · pith_short_16: 5CYHLA2RWDFHEJL4 · pith_short_8: 5CYHLA2R

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/5CYHLA2RWDFHEJL4NA6MAJVHQA \
  | 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: e8b0758351b0ca72257c683cc026a7803c57a70d3bbe2a88bcaa90145ad534ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e2d79e5b4e29b30ba80b45528f9526aca04ea16dead402aab36ea4fe363239",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-20T04:17:00Z",
    "title_canon_sha256": "fcd068536039f17f6d49c7999f41375156192de3f93900168779950515a4a910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07396",
    "kind": "arxiv",
    "version": 1
  }
}