Pith Number

pith:EPCN2BX6

pith:2026:EPCN2BX6FTKWIPBHJF74ULLP3Y

not attested not anchored not stored refs pending

Global Regular Solutions of the Compressible Navier-Stokes Equations with Nonlinear Density-Dependent Viscosities and Large Initial Data of Spherical Symmetry

Gui-Qiang G. Chen, Jiawen Zhang, Shengguo Zhu

arxiv:2605.17121 v1 · 2026-05-16 · math.AP · math-ph · math.MP · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPCN2BX6FTKWIPBHJF74ULLP3Y}

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	2026-05-20T00:03:41.004678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c4dd06fe2cd5643c27497fca2d6fde236ebd3957bbf90b778599e1178a286b

Aliases

arxiv: 2605.17121 · arxiv_version: 2605.17121v1 · doi: 10.48550/arxiv.2605.17121 · pith_short_12: EPCN2BX6FTKW · pith_short_16: EPCN2BX6FTKWIPBH · pith_short_8: EPCN2BX6

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/EPCN2BX6FTKWIPBHJF74ULLP3Y \
  | 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: 23c4dd06fe2cd5643c27497fca2d6fde236ebd3957bbf90b778599e1178a286b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a796fe687f4e0251d67dbd154a55fc3a9830e0fd11741252ee07b94157709ac",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-05-16T18:56:50Z",
    "title_canon_sha256": "3533c8e2208b7ee78c16f33e819187933418ecc0fb69443466d1b93b4e572b51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17121",
    "kind": "arxiv",
    "version": 1
  }
}