Pith Number

pith:GSF4EPMG

pith:2017:GSF4EPMGYQSYQFLV3LVMNVQWEU

not attested not anchored not stored refs pending

Uniqueness of planar vortex patch in incompressible steady flow

Daomin Cao, Shuangjie Peng, Shusen Yan, Yuxia Guo

arxiv:1703.09863 v1 · 2017-03-29 · 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{GSF4EPMGYQSYQFLV3LVMNVQWEU}

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	2026-05-18T00:47:39.210295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

348bc23d86c425881575daeac6d6162517a7429220581df2cc0a5e0b4f290058

Aliases

arxiv: 1703.09863 · arxiv_version: 1703.09863v1 · doi: 10.48550/arxiv.1703.09863 · pith_short_12: GSF4EPMGYQSY · pith_short_16: GSF4EPMGYQSYQFLV · pith_short_8: GSF4EPMG

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/GSF4EPMGYQSYQFLV3LVMNVQWEU \
  | 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: 348bc23d86c425881575daeac6d6162517a7429220581df2cc0a5e0b4f290058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61bc520cebaa104589ae95f625b37f7b34b95e20b38464e005ece3c2bb2a4f5c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-29T02:28:21Z",
    "title_canon_sha256": "637d6a3f1df55430dec6c5a88e4bc50a1d999ade7bb31115112aa31a52cb052b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09863",
    "kind": "arxiv",
    "version": 1
  }
}