Pith Number

pith:WLTEKPQX

pith:2012:WLTEKPQXXECEMQAFB5OJLI42F2

not attested not anchored not stored refs pending

A Two-Level Finite Element Discretization of the Streamfunction Formulation of the Stationary Quasi-Geostrophic Equations of the Ocean

David Wells, Erich L Foster, Traian Iliescu

arxiv:1211.0958 v4 · 2012-11-05 · 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{WLTEKPQXXECEMQAFB5OJLI42F2}

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	2026-05-18T02:49:46.174267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2e6453e17b9044640050f5c95a39a2eb4c066e7a83f8d36abd2063458c4f1e5

Aliases

arxiv: 1211.0958 · arxiv_version: 1211.0958v4 · doi: 10.48550/arxiv.1211.0958 · pith_short_12: WLTEKPQXXECE · pith_short_16: WLTEKPQXXECEMQAF · pith_short_8: WLTEKPQX

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/WLTEKPQXXECEMQAFB5OJLI42F2 \
  | 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: b2e6453e17b9044640050f5c95a39a2eb4c066e7a83f8d36abd2063458c4f1e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7795fc87d3834d4fdc63da3da1d25a33845abd7eab79d34e8b7d22467a50b7df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-11-05T18:08:18Z",
    "title_canon_sha256": "4464ae15f09e150c418581194a5799c957e484c4b5942235b989970470685bd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0958",
    "kind": "arxiv",
    "version": 4
  }
}