Pith Number

pith:7NZZN6JY

pith:2019:7NZZN6JYQLQ4LAGL5Z6TIFBJI7

not attested not anchored not stored refs pending

On a rough perturbation of the Navier-Stokes system and its vorticity formulation

James-Michael Leahy, Martina Hofmanova, Torstein Nilssen

arxiv:1902.09348 v2 · 2019-02-25 · math.PR · 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{7NZZN6JYQLQ4LAGL5Z6TIFBJI7}

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	2026-05-17T23:48:11.072986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb7396f93882e1c580cbee7d34142947d9f0f757cd8dd59b239b991247bcd9be

Aliases

arxiv: 1902.09348 · arxiv_version: 1902.09348v2 · doi: 10.48550/arxiv.1902.09348 · pith_short_12: 7NZZN6JYQLQ4 · pith_short_16: 7NZZN6JYQLQ4LAGL · pith_short_8: 7NZZN6JY

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/7NZZN6JYQLQ4LAGL5Z6TIFBJI7 \
  | 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: fb7396f93882e1c580cbee7d34142947d9f0f757cd8dd59b239b991247bcd9be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fca9e191523f77b25ac4eb4ba7ac831ccddd0fca232b7f8a5feb42608d089aca",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-02-25T15:12:45Z",
    "title_canon_sha256": "023be4107091877f2da61b882ef104d76b93e6874c893638ce455df4294e51d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09348",
    "kind": "arxiv",
    "version": 2
  }
}