Pith Number

pith:GZS4TAEI

pith:2016:GZS4TAEIMCAHD2ISFCZN4AM4EL

not attested not anchored not stored refs pending

The DUNE-DPG library for solving PDEs with Discontinuous Petrov--Galerkin finite elements

Angela Klewinghaus (RWTH), Felix Gruber (RWTH), Olga Mula

arxiv:1602.08338 v1 · 2016-02-26 · 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{GZS4TAEIMCAHD2ISFCZN4AM4EL}

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	2026-05-18T01:19:56.312633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3665c98088608071e91228b2de019c22eff919dd2b0ba4e1ee25563be7f3ded0

Aliases

arxiv: 1602.08338 · arxiv_version: 1602.08338v1 · doi: 10.48550/arxiv.1602.08338 · pith_short_12: GZS4TAEIMCAH · pith_short_16: GZS4TAEIMCAHD2IS · pith_short_8: GZS4TAEI

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/GZS4TAEIMCAHD2ISFCZN4AM4EL \
  | 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: 3665c98088608071e91228b2de019c22eff919dd2b0ba4e1ee25563be7f3ded0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7efafaf8ba029b3207843150b804740321c831efdea1e944af97469c201b0684",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-26T14:21:51Z",
    "title_canon_sha256": "24e132e16cdaaab08bef2c228741d20cde5b377e51eaa12988b4ac32899b1838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08338",
    "kind": "arxiv",
    "version": 1
  }
}