Pith Number

pith:FRQONZ6Z

pith:2018:FRQONZ6Z7QXW6UBDWDBVYBU4IM

not attested not anchored not stored refs pending

One-stage explicit trigonometric integrators for effectively solving quasilinear wave equations

Bin Wang, Changying Liu, Yonglei Fang

arxiv:1811.02252 v4 · 2018-11-06 · math.NA · cs.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{FRQONZ6Z7QXW6UBDWDBVYBU4IM}

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	2026-07-04T23:59:29.464451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c60e6e7d9fc2f6f5023b0c35c069c433bab8d7642c6acd59889e93566cd4ba4

Aliases

arxiv: 1811.02252 · arxiv_version: 1811.02252v4 · doi: 10.48550/arxiv.1811.02252 · pith_short_12: FRQONZ6Z7QXW · pith_short_16: FRQONZ6Z7QXW6UBD · pith_short_8: FRQONZ6Z

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/FRQONZ6Z7QXW6UBDWDBVYBU4IM \
  | 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: 2c60e6e7d9fc2f6f5023b0c35c069c433bab8d7642c6acd59889e93566cd4ba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4850da3137be10987424caf0882106f6c7a6d2c619efc2f2917ebeb12453ebf",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-06T09:33:52Z",
    "title_canon_sha256": "65f4d73997e1e019587f62f51412ecabb01985959da3fb272efcf7f23ef7e584"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02252",
    "kind": "arxiv",
    "version": 4
  }
}