Pith Number

pith:6SWW2TSV

pith:2012:6SWW2TSV6SOXRHWPA5PZ3BUCU2

not attested not anchored not stored refs pending

The GNAT method for nonlinear model reduction: effective implementation and application to computational fluid dynamics and turbulent flows

Charbel Farhat, David Amsallem, Julien Cortial, Kevin Carlberg

arxiv:1207.1349 v1 · 2012-07-05 · math.NA · math.AP · physics.comp-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{6SWW2TSV6SOXRHWPA5PZ3BUCU2}

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	2026-05-18T02:38:37.582473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4ad6d4e55f49d789ecf075f9d8682a6b5851a5dc2ec1fe7208a27f93f20e54f

Aliases

arxiv: 1207.1349 · arxiv_version: 1207.1349v1 · doi: 10.48550/arxiv.1207.1349 · pith_short_12: 6SWW2TSV6SOX · pith_short_16: 6SWW2TSV6SOXRHWP · pith_short_8: 6SWW2TSV

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/6SWW2TSV6SOXRHWPA5PZ3BUCU2 \
  | 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: f4ad6d4e55f49d789ecf075f9d8682a6b5851a5dc2ec1fe7208a27f93f20e54f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61fa145128c30c73492355590229dc09237f4ef2ef4d288d6c37b3ee2cf9ab21",
    "cross_cats_sorted": [
      "math.AP",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-07-05T19:58:41Z",
    "title_canon_sha256": "f7da1c5aa6819908eb8082d44736020ec1384af3916be8575b191a555501b454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1349",
    "kind": "arxiv",
    "version": 1
  }
}