Pith Number

pith:GB2R7L46

pith:2011:GB2R7L46G3WYMADBZCUXZX7RLK

not attested not anchored not stored refs pending

A Semi Discrete Dynamical System for a 2D Dissipative Quasi Geostrophic Equation

Ezzeddine Zahrouni, Maithem Moalla-Trabelsi

arxiv:1106.5191 v1 · 2011-06-26 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GB2R7L46G3WYMADBZCUXZX7RLK}

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	2026-05-18T04:19:14.085827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30751faf9e36ed860061c8a97cdff15a821b3ed47c73fbfa19bef1b15a240118

Aliases

arxiv: 1106.5191 · arxiv_version: 1106.5191v1 · doi: 10.48550/arxiv.1106.5191 · pith_short_12: GB2R7L46G3WY · pith_short_16: GB2R7L46G3WYMADB · pith_short_8: GB2R7L46

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/GB2R7L46G3WYMADBZCUXZX7RLK \
  | 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: 30751faf9e36ed860061c8a97cdff15a821b3ed47c73fbfa19bef1b15a240118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30d5000bac0c37acf98fe56c27452d563006223665c494133440dddadfbabd73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-06-26T06:33:37Z",
    "title_canon_sha256": "5efeb838d2ef47af15822fc8ab922f845b0ea4a680d78fa1121c8c2d5b4b1bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5191",
    "kind": "arxiv",
    "version": 1
  }
}