Pith Number

pith:PXY4IXAM

pith:2011:PXY4IXAM5M4XR3LMVKENBYHLOR

not attested not anchored not stored refs pending

A FEniCS-Based Programming Framework for Modeling Turbulent Flow by the Reynolds-Averaged Navier-Stokes Equations

Garth N. Wells, Hans Petter Langtangen, Mikael Mortensen

arxiv:1102.2933 v2 · 2011-02-15 · cs.CE · 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{PXY4IXAM5M4XR3LMVKENBYHLOR}

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	2026-05-18T04:17:14.996798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7df1c45c0ceb3978ed6caa88d0e0eb7473ca5d9f3f99da465d4cb760fe3645d1

Aliases

arxiv: 1102.2933 · arxiv_version: 1102.2933v2 · doi: 10.48550/arxiv.1102.2933 · pith_short_12: PXY4IXAM5M4X · pith_short_16: PXY4IXAM5M4XR3LM · pith_short_8: PXY4IXAM

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/PXY4IXAM5M4XR3LMVKENBYHLOR \
  | 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: 7df1c45c0ceb3978ed6caa88d0e0eb7473ca5d9f3f99da465d4cb760fe3645d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ff94c836765429cd5bbd655c4877b451321297cf63ecaa0e09df2558352d072",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2011-02-15T00:08:11Z",
    "title_canon_sha256": "a0ca11210bbf63da803de241e38d39d441fcb2a1b01dceebf516f3e619141901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2933",
    "kind": "arxiv",
    "version": 2
  }
}