Pith Number

pith:HKNYQGZV

pith:2019:HKNYQGZVBJM6STVCSWWTTYGZC6

not attested not anchored not stored refs pending

Stability of explicit Runge-Kutta methods for high order finite element approximation of linear parabolic equations

Jens Lang, Lennard Kamenski, Weizhang Huang

arxiv:1908.05374 v1 · 2019-08-14 · math.NA · cs.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{HKNYQGZVBJM6STVCSWWTTYGZC6}

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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	2026-07-04T23:56:50.914408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a9b881b350a59e94ea295ad39e0d917a1367d403e9a3c32af455e3d0ddaf5c6

Aliases

arxiv: 1908.05374 · arxiv_version: 1908.05374v1 · doi: 10.48550/arxiv.1908.05374 · pith_short_12: HKNYQGZVBJM6 · pith_short_16: HKNYQGZVBJM6STVC · pith_short_8: HKNYQGZV

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/HKNYQGZVBJM6STVCSWWTTYGZC6 \
  | 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: 3a9b881b350a59e94ea295ad39e0d917a1367d403e9a3c32af455e3d0ddaf5c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad6e76d2a7921b8c2b87156c37765c753f1b74c4f418c2ddf9d3524bba2aa496",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-14T23:56:08Z",
    "title_canon_sha256": "bf5920d3484a1d281c5bcf7153f2349109eff2ecbf6c8ae71044f97f5f903bbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05374",
    "kind": "arxiv",
    "version": 1
  }
}