Pith Number

pith:FC74V2IV

pith:2018:FC74V2IVCVO7ZAQRP4FK3XGBOE

not attested not anchored not stored refs pending

Positivity Preserving Limiters for Time-Implicit Higher Order Accurate Discontinuous Galerkin Discretizations

J.J.W. van der Vegt, Yan Xu, Yinhua Xia

arxiv:1811.08620 v3 · 2018-11-21 · 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{FC74V2IVCVO7ZAQRP4FK3XGBOE}

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	2026-05-17T23:44:37.903209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28bfcae915155dfc82117f0aaddcc1711b34d3d15d07f02f1f21c8932debbde5

Aliases

arxiv: 1811.08620 · arxiv_version: 1811.08620v3 · doi: 10.48550/arxiv.1811.08620 · pith_short_12: FC74V2IVCVO7 · pith_short_16: FC74V2IVCVO7ZAQR · pith_short_8: FC74V2IV

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/FC74V2IVCVO7ZAQRP4FK3XGBOE \
  | 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: 28bfcae915155dfc82117f0aaddcc1711b34d3d15d07f02f1f21c8932debbde5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47ac681ea47bfb7fe9a26c2d4ebf5f2000771d74a7d5965cc131fab89bdf0e91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-21T07:57:05Z",
    "title_canon_sha256": "3eeebd943e9edb04d934b85d4582d5e31d79f9dce9cf7fbe04e13e6235139571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08620",
    "kind": "arxiv",
    "version": 3
  }
}