Pith Number

pith:IF2E7OCB

pith:2015:IF2E7OCBSDOAZNUI4WJZHRZF3Z

not attested not anchored not stored refs pending

Entropy-dissipating semi-discrete Runge-Kutta schemes for nonlinear diffusion equations

Ansgar J\"ungel, Stefan Schuchnigg

arxiv:1506.07040 v1 · 2015-06-23 · 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{IF2E7OCBSDOAZNUI4WJZHRZF3Z}

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	2026-05-18T01:40:55.250818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41744fb84190dc0cb688e59393c725de5c6f1d29cfded6486407db12a8b08de8

Aliases

arxiv: 1506.07040 · arxiv_version: 1506.07040v1 · doi: 10.48550/arxiv.1506.07040 · pith_short_12: IF2E7OCBSDOA · pith_short_16: IF2E7OCBSDOAZNUI · pith_short_8: IF2E7OCB

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/IF2E7OCBSDOAZNUI4WJZHRZF3Z \
  | 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: 41744fb84190dc0cb688e59393c725de5c6f1d29cfded6486407db12a8b08de8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "496b71862a01c4d76f69355a558c2f4c9d76b9a24919caae8c451fef6a58ab36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-23T14:57:30Z",
    "title_canon_sha256": "98b58c84a5f2077f4a4dffea95837b8362c68f9d253fec447067cc152818d1c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07040",
    "kind": "arxiv",
    "version": 1
  }
}