Pith Number

pith:A2OWD4GI

pith:2014:A2OWD4GIIQHUNLLLRBFVFRBQZW

not attested not anchored not stored refs pending

Godunov scheme for Maxwell's equations with Kerr nonlinearity

Denise Aregba-Driollet

arxiv:1404.6372 v1 · 2014-04-25 · 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{A2OWD4GIIQHUNLLLRBFVFRBQZW}

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	2026-05-18T02:53:16.683144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

069d61f0c8440f46ad6b884b52c430cd884502f7f4475217c27a84d849c06dd8

Aliases

arxiv: 1404.6372 · arxiv_version: 1404.6372v1 · doi: 10.48550/arxiv.1404.6372 · pith_short_12: A2OWD4GIIQHU · pith_short_16: A2OWD4GIIQHUNLLL · pith_short_8: A2OWD4GI

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/A2OWD4GIIQHUNLLLRBFVFRBQZW \
  | 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: 069d61f0c8440f46ad6b884b52c430cd884502f7f4475217c27a84d849c06dd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd263ded423dd5c28ac72c4fbed82d27d3ca5d535c47741e373cc61c2b7f1e48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-25T09:59:55Z",
    "title_canon_sha256": "8c70493da09e81ff8b337cc18835f79411efd15f8f11810b7d440e14f8e429fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6372",
    "kind": "arxiv",
    "version": 1
  }
}