Pith Number

pith:ALH35LS3

pith:2019:ALH35LS3UQZUPBAJPDZOEIVB7L

not attested not anchored not stored refs pending

An explicit meshless point collocation solver for incompressible Navier-Stokes equations

Adam Wittek, Angus C. R. Tavner, Benjiamin F. Zwick, George C. Bourantas, Grand R. Joldes, Karol Miller, Vassilios C. Loukopoulos

arxiv:1906.05387 v1 · 2019-06-10 · physics.comp-ph · 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{ALH35LS3UQZUPBAJPDZOEIVB7L}

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	2026-05-17T23:43:25.439621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02cfbeae5ba43347840978f2e222a1fac41bf65feb9967bcc652a89634166921

Aliases

arxiv: 1906.05387 · arxiv_version: 1906.05387v1 · doi: 10.48550/arxiv.1906.05387 · pith_short_12: ALH35LS3UQZU · pith_short_16: ALH35LS3UQZUPBAJ · pith_short_8: ALH35LS3

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/ALH35LS3UQZUPBAJPDZOEIVB7L \
  | 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: 02cfbeae5ba43347840978f2e222a1fac41bf65feb9967bcc652a89634166921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeea6d7d999e8472f8e663c1ba019d760433003a63a1f8147a2864bd365b5c51",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-06-10T06:34:18Z",
    "title_canon_sha256": "3a906ac379ea9db40d9ec6dbc836184eb6d117530485568bc386ff365ce2dcb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05387",
    "kind": "arxiv",
    "version": 1
  }
}