Pith Number

pith:HQTHLG3M

pith:2017:HQTHLG3MF3GMJX4JAPG7D2MC3L

not attested not anchored not stored refs pending

The variable-order discontinuous Galerkin time stepping scheme for parabolic evolution problems is uniformly $\mathrm{L}^\infty$-stable

Lars Schmutz, Thomas P. Wihler

arxiv:1711.09650 v1 · 2017-11-27 · 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{HQTHLG3MF3GMJX4JAPG7D2MC3L}

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	2026-05-18T00:29:34.961212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c26759b6c2eccc4df8903cdf1e982daca6121c35ec2daa6e03c5666ab86d4f3

Aliases

arxiv: 1711.09650 · arxiv_version: 1711.09650v1 · doi: 10.48550/arxiv.1711.09650 · pith_short_12: HQTHLG3MF3GM · pith_short_16: HQTHLG3MF3GMJX4J · pith_short_8: HQTHLG3M

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/HQTHLG3MF3GMJX4JAPG7D2MC3L \
  | 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: 3c26759b6c2eccc4df8903cdf1e982daca6121c35ec2daa6e03c5666ab86d4f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "819097ec49dfc587b09f5d5e21c2432b1821db3aacb40e7096423b1cb5cbf04f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-27T12:33:42Z",
    "title_canon_sha256": "cc8d1ec1af1b3bd71baf3956eb54afe857ed957b114f01ec24508ff3d5fbdb25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09650",
    "kind": "arxiv",
    "version": 1
  }
}