Pith Number

pith:4376JMSK

pith:2014:4376JMSK5D5RQCDRQHOYQCZ5YB

not attested not anchored not stored refs pending

Comparison of POD reduced order strategies for the nonlinear 2D Shallow Water Equations

Adrian Sandu, Ionel M. Navon, R\u{a}zvan \c{S}tef\u{a}nescu

arxiv:1402.2018 v1 · 2014-02-10 · cs.NA · 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{4376JMSK5D5RQCDRQHOYQCZ5YB}

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	2026-05-18T01:44:46.055851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6ffe4b24ae8fb18087181dd880b3dc042c6ce05e27c330e40a3669f21f22370

Aliases

arxiv: 1402.2018 · arxiv_version: 1402.2018v1 · doi: 10.48550/arxiv.1402.2018 · pith_short_12: 4376JMSK5D5R · pith_short_16: 4376JMSK5D5RQCDR · pith_short_8: 4376JMSK

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/4376JMSK5D5RQCDRQHOYQCZ5YB \
  | 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: e6ffe4b24ae8fb18087181dd880b3dc042c6ce05e27c330e40a3669f21f22370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "583ccd1305252588b7d834e1b6a80c95d81e7fd728cd2f98c29f1621a73982f1",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-02-10T02:20:09Z",
    "title_canon_sha256": "f83f658c5a26d711000090e8f2a5cec3f54f096df95a12138af7f1813e4ebf43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2018",
    "kind": "arxiv",
    "version": 1
  }
}