Pith Number

pith:L7RBXPXX

pith:2016:L7RBXPXXKTNFXX6FP3EKH7VTGD

not attested not anchored not stored refs pending

High performance Python for direct numerical simulations of turbulent flows

Hans Petter Langtangen, Mikael Mortensen

arxiv:1602.03638 v1 · 2016-02-11 · cs.MS · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7RBXPXXKTNFXX6FP3EKH7VTGD}

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	2026-05-18T01:15:49.674671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fe21bbef754da5bdfc57ec8a3feb330dec1e394ae35658a678afda38460a160

Aliases

arxiv: 1602.03638 · arxiv_version: 1602.03638v1 · doi: 10.48550/arxiv.1602.03638 · pith_short_12: L7RBXPXXKTNF · pith_short_16: L7RBXPXXKTNFXX6F · pith_short_8: L7RBXPXX

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/L7RBXPXXKTNFXX6FP3EKH7VTGD \
  | 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: 5fe21bbef754da5bdfc57ec8a3feb330dec1e394ae35658a678afda38460a160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4ff479888ba9e54a5d1b90188ea94ac8d4fe058c25c6101194946a744856308",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2016-02-11T08:12:37Z",
    "title_canon_sha256": "422d654d16fb3daf0886596a953660504e7326113af26b4401cfb8c5f5ad7710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03638",
    "kind": "arxiv",
    "version": 1
  }
}