Pith Number

pith:NAVDLDZT

pith:2013:NAVDLDZTES23JW5FGA2O3MUQLH

not attested not anchored not stored refs pending

A GPU cluster optimized multigrid scheme for computing unsteady incompressible fluid flow

Gy\"orgy Tegze, Gyula I. T\'oth

arxiv:1309.7128 v3 · 2013-09-27 · math.NA · 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{NAVDLDZTES23JW5FGA2O3MUQLH}

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	2026-05-18T02:45:04.718371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

682a358f3324b5b4dba53034edb29059c6f1f5a0df0fef3ad22ad9a9cd00c4bb

Aliases

arxiv: 1309.7128 · arxiv_version: 1309.7128v3 · doi: 10.48550/arxiv.1309.7128 · pith_short_12: NAVDLDZTES23 · pith_short_16: NAVDLDZTES23JW5F · pith_short_8: NAVDLDZT

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/NAVDLDZTES23JW5FGA2O3MUQLH \
  | 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: 682a358f3324b5b4dba53034edb29059c6f1f5a0df0fef3ad22ad9a9cd00c4bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad1b61488be107360e15176993c456eea5fb88c0aaca24f334f4b9852e90ae84",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-09-27T06:39:38Z",
    "title_canon_sha256": "534c18822c4614d3e3005958a0a1e98f47f370648af941ebded39a1f8694b7be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7128",
    "kind": "arxiv",
    "version": 3
  }
}