Pith Number

pith:NAE2HGQ4

pith:2026:NAE2HGQ4X3BFOK6WITCIIFDJI4

not attested not anchored not stored refs pending

Deformable bodies in a 3-dimensional viscous flow: Vorticity-Stream vector formulation

Andreu F. Gallen, Aurora Hern\'andez-Machado, Joan Mu\~noz Biosca, Mario Castro

arxiv:2601.05031 v2 · 2026-01-08 · physics.flu-dyn · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NAE2HGQ4X3BFOK6WITCIIFDJI4}

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	2026-06-19T16:11:19.121875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6809a39a1cbec2572bd644c4841469470f7bed992daf8c80d155148a2de4881f

Aliases

arxiv: 2601.05031 · arxiv_version: 2601.05031v2 · doi: 10.48550/arxiv.2601.05031 · pith_short_12: NAE2HGQ4X3BF · pith_short_16: NAE2HGQ4X3BFOK6W · pith_short_8: NAE2HGQ4

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/NAE2HGQ4X3BFOK6WITCIIFDJI4 \
  | 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: 6809a39a1cbec2572bd644c4841469470f7bed992daf8c80d155148a2de4881f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73155da2dc4e8982509d84a8852408b2b0c6042439a510cbd6cf114041ddad8e",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-01-08T15:41:11Z",
    "title_canon_sha256": "e66867e02efeee05269f6f8b2313fc01f1a972f05505e9675878862df495b76c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.05031",
    "kind": "arxiv",
    "version": 2
  }
}