Pith Number

pith:ML533UOI

pith:2019:ML533UOIVJMGZYCQWIJKM7TJO4

not attested not anchored not stored refs pending

Matrix-oriented discretization methods for reaction-diffusion PDEs: comparisons and applications

Ivonne Sgura, Maria Chiara D'Autilia, Valeria Simoncini

arxiv:1903.05030 v1 · 2019-03-12 · 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{ML533UOIVJMGZYCQWIJKM7TJO4}

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	2026-05-17T23:51:26.490739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62fbbdd1c8aa586ce050b212a67e697735b20bc05f3a4f005e550746c4240d9c

Aliases

arxiv: 1903.05030 · arxiv_version: 1903.05030v1 · doi: 10.48550/arxiv.1903.05030 · pith_short_12: ML533UOIVJMG · pith_short_16: ML533UOIVJMGZYCQ · pith_short_8: ML533UOI

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/ML533UOIVJMGZYCQWIJKM7TJO4 \
  | 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: 62fbbdd1c8aa586ce050b212a67e697735b20bc05f3a4f005e550746c4240d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e303c49a3778856b49e70a61ab353236390b3269467c66f0eed07884728e176",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-12T16:31:16Z",
    "title_canon_sha256": "75a217a0fcac92c9f1e6ce1d8c33313e5484eb9910a07629fc577db2d7caaa0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05030",
    "kind": "arxiv",
    "version": 1
  }
}